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354:
Kazuma Umeki, one of the top underbosses in the Seido-kai, was attacked with a 10-ton dump truck driven by a Dojin yakuza, and in April 2011, two Seido seniors were shot with a revolver in Imari by a Dojin hitman, and
Sueharu Matsunaga, the head of the Seido's Matsunaga group, was killed with a bomb.
330:
On June 13, 2007, Zenji
Tsurumaru was killed. On June 19, Hidenori Irie was killed. On August 18, the leader of Dojin-kai, Yoshihisa Onaka was killed. On November 8, a civilian Hiroshi Miyamoto was killed by mistake while receiving treatment at a hospital. On November 12, Shigeki Koga was killed. On
423:
The Dojin-kai has been known for its strong anti-authority, anti-police stance since the 20th century, however at the same time the Dojin-kai has allegedly developed some relationship with local authorities, and it has actually been uncovered, as, in the early 2000s, the
Fukuoka Prefectural Police
318:, the Dojin-kai's rival and the largest yakuza syndicate in Japan. Seven people were killed during the beginning of the war. In one incident, a gangster walked into a hospital and shot an innocent man twice, mistaking him for a rival. In another, the Dojin-kai's headquarters was sprayed with an
30:
342:
The Dojin-Seido war has been escalating since the late 2000s, especially in 2011, when they started using military machine guns and tossing grenades at each other. Many Seido members have escaped from Kyushu since the late 2000s, building an eight-story bulletproof building in
407:'s 1991 Police White Paper, a Fukuoka-based 20-member small Dojin-affiliate had managed a systematic trafficking ring, selling methamphetamine to various drug-dealing yakuza organizations throughout the country. This group had also smuggled methamphetamine from
338:
in July 2009 in Omuta to pay tribute to their casualties. The names inscribed on its surface not only included those of Seido-kai members but also included those of Dojin-kai members. This cenotaph, however, disappeared by early 2011.
177:
With its activities of drug trafficking, the Dojin-kai has allegedly been Japan's largest wholesale dealer in drugs since the late 20th century, after the disbanding of three other yakuza groups based in northern Kyushu;
262:, in which a majority of Dojin members moved to Tokyo and had been hiding out around Tokyo with the plan of slaying all of the Union's 76 senior bosses until the Union made a conceding offer of peaceful resolution (
322:
assault rifle. More than five Dojin offices in Kurume and
Fukuoka were attacked with bombs and firearms on May 21 of that year, and soon after that, on 24th, Seido-kai's Jinsei group headquarters office in
471:
probationer at the age of around 20. After retirement in 1992, Koga died at a hospital in Kurume on May 22, 2009. He was 74 years old. He was considered a historic godfather of the Dojin-kai.
697:
415:
as a smuggling base, and for example in 1986, this group smuggled approximately 570 kg (1,260 lb) of methamphetamine—estimated retail price of nearly US$ 1 billion—from Taiwan.
214:
yakuza born 1934). Seijiro Matsuo, the
Secretary General of the first-generation Dojin-kai, succeeded as the president in 1992. In the same year, 1992, the Dojin-kai was registered as a
331:
November 27, Yoshikazu Matsuo, one of the chairmen, and his driver were killed. Both groups announced a cease-fire on
December 18 and on February 5, 2008, the war reportedly ended.
269:
The Dojin-kai is noted for having been isolated in the yakuza world in an uncanny way, in contrast to most other yakuza organizations which usually have at least one ally (
1105:
234:, the Dojin-kai has been noted for its aggressive and violent nature, causing numerous bloody conflicts with other yakuza groups. Notable ones include the
1380:
306:
When the long-time boss
Seijiro Matsuo suddenly announced his resignation in May 2006, a war broke out between the headquarters and a splinter group in
790:
279:, there were several offers of help from other organizations but the Dojin-kai reportedly rejected all of them. The Dojin-kai is a member of an anti-
858:
694:
1004:
1049:
1390:
1281:
893:
833:
808:
1385:
566:
518:
1098:
424:
headquarters disclosed that its classified information had leaked out to the Dojin-kai via its branch police departments based in the
291:
and
Kumamoto-kai, however even the Kudo-kai, the principal member, is said to have avoided getting deeply involved in the Dojin-kai.
1035:
990:
918:
751:
729:
657:
635:
159:, with approximately 320 members. As well as being known as a militant yakuza organization, the Dojin-kai has also been known as a
1091:
967:
947:
679:
615:
588:
526:
404:
606:
283:
fraternal federation, the Yonsha-kai, formed with three other northern-Kyushu based independent yakuza syndicates, the
1355:
1310:
1147:
561: : "The funeral of the Fourth Kudo-kai Honorary Adviser Hideo Mizoshita" (pp.192–197), 1 February 2009, Mediax,
254:
syndicate from the northern Kyushu area. Another notable one is a brief conflict that occurred in 1983, with the
210:
The Dojin-kai was formed in 1971 from four old yakuza groups united by the first president, Isoji Koga (former
919:"Explosive in car kills ex-gang boss, brother : National : DAILY YOMIURI ONLINE (The Daily Yomiuri)"
1314:
583:
1177:
411:
where it had a connection with a local
Taiwanese drug ring. This group had used a small island located in
1050:"Shitei Boryokudan : The Dojin-kai's first president of Kurume City, Fukuoka Prefecture passes away"
862:
985:, "About What the Organization, Dojin-kai, Is Like" (p.76), Masaki Yasuda, December 1990, Seinen-shokan
724:, "About What the Organization, Dojin-kai, Is Like" (p.77), Masaki Yasuda, December 1990, Seinen-shokan
140:
412:
391:
897:
837:
805:
1271:
782:
103:
787:
531:
387:
348:
195:
50:
963:"1988 Police White Paper Chapter 5 : Securing of Safety of Life and Environmental Cleanup"
1345:
1335:
1325:
1257:
1237:
1227:
1207:
1167:
1137:
1031:
986:
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725:
653:
631:
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29:
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144:
46:
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for about two years, and after resigning from the bank, he entered the underworld as a
452:
315:
307:
280:
251:
191:
107:
87:
604:"Police of Japan 2011, Criminal Investigation : 2. Fight Against Organized Crime"
403:
In one notable case, as introduced in the "Drug
Criminal Organization" section in the
1374:
1319:
1141:
1069:
765:
1349:
1231:
344:
226:
Very much like other yakuza groups based in the northern Kyushu region such as the
1247:
882:
294:
The Dojin-kai again started a blatantly vicious conflict with its splinter group,
1030:, "Person, Isoji Koga" (pp.228–240), Masaki Yasuda, December 1990, Seinen-shokan
675:"1993 Police White Paper Chapter 1 : The Actual Condition of the Boryokudan"
485:, Koga was in prison, and Matsuo took command of the Dojin-kai to fight with the
275:-shared "brother" organization). In one notable anecdote, during the time of the
1261:
1241:
1151:
962:
942:
674:
347:
as their new base. The first Seido president, Chojiro Murakami, was arrested in
163:
34:
1339:
1251:
1201:
1191:
1171:
1157:
894:"病院射殺、道仁会系組員を殺人容疑などで逮捕 : 最新ニュース特集 : 九州発 : Yomiuri Online（読売新聞）"
834:"路上に手投げ弾？ 大牟田の誠道会系事務所前 : 最新ニュース特集 : 九州発 : Yomiuri Online（読売新聞）"
603:
460:
288:
227:
199:
187:
91:
1221:
1181:
652:, "Person, Isoji Koga" (p.228), Masaki Yasuda, December 1990, Seinen-shokan
630:, "Person, Isoji Koga" (p.240), Masaki Yasuda, December 1990, Seinen-shokan
494:
1083:
1300:
1294:
1211:
335:
284:
271:
231:
83:
1197:
1187:
1267:
1217:
1127:
1114:
943:"1991 Police White Paper Chapter 3 : Drug Criminal Organization"
468:
429:
408:
334:
The Fukuoka Prefectural Police discovered that the Seido-kai built a
215:
211:
156:
148:
137:
1290:
783:"Fukuoka Prefectural Public Safety Commission Activity Status", p.2
250:), where the organization substantially expelled the largest known
377:
319:
152:
54:
481:, the second president of the Dojin-kai. At that time during the
174:
trafficking, which is traditionally shunned in the yakuza world.
456:
455:. In his boyhood, he was a leading member of an all-Japan youth
363:
Sometimes informally and mockingly dubbed the "Dojin Pharmacy" (
1087:
367:), the Dojin-kai's activities, just same as its splinter group
390:, the Dojin-kai has its known branch offices in three other
1005:"Feature : The Fukuoka Prefectural Police Corruption"
327:
was totally destroyed, apparently by Dojin-kai's bombs.
166:, as its activities have allegedly included large-scale
559:
The Sixth Yamaguchi-gumi Complete Databook 2008 Edition
766:"1,500 fed-up Kyushu citizens sue to evict yakuza HQ"
746:, p.178, Masaki Yasuda, December 1990, Seinen-shokan
489:. Noted for his extraordinary facial resemblance to
1280:
98:
79:
68:
60:
42:
1023:
1021:
182:-based Sadaoka-gumi, known as " Methlord in the
218:under the Organized Crime Countermeasures Law.
127:
240:
121:
1099:
670:
668:
8:
22:
16:Yakuza group and drug cartel based in Kyushu
1106:
1092:
1084:
28:
314:," allegedly aligned themselves with the
859:"九州誠道会会長、覚せい剤取締法違反容疑で逮捕 警視庁 - Msn産経ニュース"
579:
577:
554:
552:
507:
493:, the second-generation leader of the
451:Koga was born on November 6, 1934, in
444:, the first president of the Dojin-kai
21:
806:"Removal of the Seido-kai's cenotaph"
695:"The designated boryokudan Dojin-kai"
513:
511:
7:
14:
1381:Organizations established in 1971
371:'s, allegedly largely consist of
1354:
1344:
1334:
1324:
1309:
1299:
1289:
1266:
1256:
1246:
1236:
1226:
1216:
1206:
1196:
1186:
1176:
1166:
1156:
1146:
1136:
1126:
1070:"Fukuoka yakuza turf war erupts"
519:"Organized Crime Situation 2023"
584:"Boryokudan Situation in 2010"
459:champion team. He worked as a
258:-based large yakuza syndicate
186:era" which was crushed by the
1:
1391:Yakuza groups based in Kyushu
419:Relationship with authorities
1386:1971 establishments in Japan
530:. p. 26. Archived from
310:who, naming themselves the "
1028:Document Kyushu Yakuza Wars
983:Document Kyushu Yakuza Wars
744:Document Kyushu Yakuza Wars
722:Document Kyushu Yakuza Wars
650:Document Kyushu Yakuza Wars
628:Document Kyushu Yakuza Wars
216:designated boryokudan group
157:designated yakuza syndicate
128:
1407:
1122:
811:January 20, 2011, at the
241:
122:
27:
791:Public Safety Commission
700:October 6, 2011, at the
609:August 10, 2011, at the
382:Primarily based in the
194:-based Hamada-kai, and
968:National Police Agency
948:National Police Agency
680:National Police Agency
616:National Police Agency
589:National Police Agency
527:National Police Agency
405:National Police Agency
395:
302:War with the Seido-kai
43:Founding location
381:
19:Criminal organization
1315:Okinawa Kyokuryu-kai
497:Mexican drug cartel.
413:Kagoshima Prefecture
1272:Kobe Yamaguchi-gumi
815:, 18 January 2011,
788:Fukuoka Prefectural
785:, 20 January 2011,
768:, 11 October 2008,
24:
396:
349:Ibaraki Prefecture
1368:
1367:
1115:Designated yakuza
704:, 28 March 2009,
613:, December 2009,
567:978-4-86201-358-3
491:Heriberto Lazcano
428:region including
222:Gangland vendetta
143:headquartered in
113:
112:
61:Years active
1398:
1360:Kyushu Seido-kai
1358:
1348:
1338:
1328:
1313:
1303:
1293:
1270:
1260:
1250:
1240:
1230:
1220:
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1190:
1180:
1170:
1160:
1150:
1140:
1130:
1108:
1101:
1094:
1085:
1078:
1072:, May 23, 2006,
1067:
1061:
1060:
1055:Mainichi Shimbun
1047:
1041:
1040:
1025:
1016:
1015:
1007:, 7 March 2002,
1002:
996:
995:
980:
974:
973:
960:
954:
953:
940:
934:
933:
931:
930:
921:. Archived from
915:
909:
908:
906:
905:
896:. Archived from
890:
884:
880:
874:
873:
871:
870:
861:. Archived from
855:
849:
848:
846:
845:
836:. Archived from
830:
824:
823:
803:
797:
796:
780:
774:
763:
757:
756:
741:
735:
734:
719:
713:
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686:
685:
672:
663:
662:
647:
641:
640:
625:
619:
601:
595:
594:
581:
572:
571:
556:
547:
546:
544:
542:
537:on 30 March 2024
536:
523:
515:
399:Drug trafficking
373:drug trafficking
312:Kyushu Seido-kai
296:Kyushu Seido-kai
245:
244:
243:
168:drug trafficking
135:
134:
131:
125:
124:
72:
32:
25:
1406:
1405:
1401:
1400:
1399:
1397:
1396:
1395:
1371:
1370:
1369:
1364:
1276:
1162:Aizukotetsu-kai
1118:
1112:
1082:
1081:
1075:The Japan Times
1068:
1064:
1058:
1052:, 22 May 2009,
1048:
1044:
1038:
1026:
1019:
1013:
1010:Yomiuri Shimbun
1003:
999:
993:
981:
977:
971:
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951:
941:
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926:
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881:
877:
868:
866:
857:
856:
852:
843:
841:
832:
831:
827:
821:
818:Yomiuri Shimbun
813:Wayback Machine
804:
800:
794:
781:
777:
771:The Japan Times
764:
760:
754:
742:
738:
732:
720:
716:
710:
707:Yomiuri Shimbun
702:Wayback Machine
693:
689:
683:
673:
666:
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648:
644:
638:
626:
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611:Wayback Machine
602:
598:
592:
582:
575:
569:
557:
550:
540:
538:
534:
521:
517:
516:
509:
504:
465:Kurume, Fukuoka
438:
421:
401:
361:
304:
260:Sumiyoshi Union
239:
224:
208:
172:methamphetamine
170:, specifically
145:Kurume, Fukuoka
132:
119:
94:, Kumamoto-kai)
70:
38:
20:
17:
12:
11:
5:
1404:
1402:
1394:
1393:
1388:
1383:
1373:
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1244:
1234:
1224:
1214:
1204:
1194:
1184:
1174:
1164:
1154:
1144:
1134:
1132:Yamaguchi-gumi
1123:
1120:
1119:
1113:
1111:
1110:
1103:
1096:
1088:
1080:
1079:
1062:
1042:
1017:
997:
975:
955:
935:
910:
885:
875:
850:
825:
798:
775:
758:
736:
714:
687:
664:
642:
620:
596:
586:, April 2011,
573:
548:
506:
505:
503:
500:
499:
498:
487:Yamaguchi-gumi
483:Yama-Michi War
479:Seijiro Matsuo
475:
474:
473:
472:
453:Ogori, Fukuoka
446:
445:
437:
434:
420:
417:
400:
397:
365:Dōjin Yakkyoku
360:
357:
316:Yamaguchi-gumi
303:
300:
277:Yama-Michi War
252:Yamaguchi-gumi
236:Yama-Michi War
223:
220:
207:
204:
111:
110:
108:Yamaguchi-gumi
100:
96:
95:
88:Sinaloa cartel
81:
77:
76:
73:
66:
65:
62:
58:
57:
44:
40:
39:
33:
18:
15:
13:
10:
9:
6:
4:
3:
2:
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1351:
1347:
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1323:
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1320:Kozakura-ikka
1318:
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1175:
1173:
1169:
1165:
1163:
1159:
1155:
1153:
1149:
1145:
1143:
1142:Sumiyoshi-kai
1139:
1135:
1133:
1129:
1125:
1124:
1121:
1116:
1109:
1104:
1102:
1097:
1095:
1090:
1089:
1086:
1077:
1076:
1071:
1066:
1063:
1059:(in Japanese)
1057:
1056:
1051:
1046:
1043:
1039:(in Japanese)
1037:
1036:4-7918-0496-1
1033:
1029:
1024:
1022:
1018:
1014:(in Japanese)
1012:
1011:
1006:
1001:
998:
994:(in Japanese)
992:
991:4-7918-0496-1
988:
984:
979:
976:
972:(in Japanese)
970:
969:
964:
959:
956:
952:(in Japanese)
950:
949:
944:
939:
936:
925:on 2011-04-07
924:
920:
914:
911:
900:on 2011-07-14
899:
895:
889:
886:
883:
879:
876:
865:on 2008-04-21
864:
860:
854:
851:
840:on 2011-09-30
839:
835:
829:
826:
822:(in Japanese)
820:
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799:
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755:(in Japanese)
753:
752:4-7918-0496-1
749:
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733:(in Japanese)
731:
730:4-7918-0496-1
727:
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711:(in Japanese)
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684:(in Japanese)
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661:(in Japanese)
659:
658:4-7918-0496-1
655:
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639:(in Japanese)
637:
636:4-7918-0496-1
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36:
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26:
1350:Fukuhaku-kai
1329:
1305:Kyokuryu-kai
1232:Sakaume-gumi
1073:
1065:
1053:
1045:
1027:
1008:
1000:
982:
978:
966:
958:
946:
938:
927:. Retrieved
923:the original
913:
902:. Retrieved
898:the original
888:
878:
867:. Retrieved
863:the original
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842:. Retrieved
838:the original
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539:. Retrieved
532:the original
525:
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345:Taito, Tokyo
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225:
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176:
160:
141:organization
116:
114:
104:Namikawa-kai
37:of Dojin-kai
1262:Matsuba-kai
1242:Kyokuto-kai
1152:Inagawa-kai
436:Key persons
392:prefectures
298:, in 2006.
164:drug cartel
69:Membership
1375:Categories
1340:Taishu-kai
1252:Azuma-gumi
1202:Shinwa-kai
1192:Asano-gumi
1172:Kyosei-kai
929:2011-07-13
904:2011-07-13
869:2011-07-11
844:2011-07-11
502:References
461:bank clerk
442:Isoji Koga
386:region of
359:Activities
289:Taishu-kai
228:Taishu-kai
200:Yamano-kai
188:Taishu-kai
151:island of
92:Taishu-kai
64:Since 1971
1330:Dojin-kai
1222:Kyodo-kai
1182:Goda-ikka
495:Los Zetas
369:Seido-kai
281:Yamaguchi
248:1986–1987
147:, on the
129:Dōjin-kai
117:Dojin-kai
23:Dojin-kai
1295:Kudo-kai
1212:Soai-kai
965:, 1988,
945:, 1991,
809:Archived
698:Archived
677:, 1993,
607:Archived
541:30 March
336:cenotaph
285:Kudo-kai
272:sakazuki
232:Kudo-kai
196:Kumamoto
161:de facto
106:and the
84:Kudo-kai
426:Chikugo
388:Fukuoka
384:Chikugo
325:Chikugo
206:History
198:-based
51:Fukuoka
1282:Kyushu
1117:groups
1034:
989:
750:
728:
656:
634:
565:
469:bakuto
430:Kurume
409:Taiwan
264:teuchi
212:bakuto
180:Tagawa
149:Kyushu
138:yakuza
99:Rivals
80:Allies
71:(est.)
47:Kurume
35:Daimon
535:(PDF)
522:(PDF)
320:AK-47
308:Omuta
256:Kanto
192:Okawa
184:Showa
153:Japan
136:is a
55:Japan
1032:ISBN
987:ISBN
748:ISBN
726:ISBN
654:ISBN
632:ISBN
563:ISBN
543:2024
457:judo
242:山道抗争
230:and
155:, a
115:The
102:The
463:in
266:).
123:道仁会
75:320
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