View source for Office Koukan

__NOTOC__
'''Office Koukan Co., Ltd.''' (株式会社オフィス恒環) was headed by Kan Nishimoto (西本完). [https://web.archive.org/web/20090113055621/http://www.firmring.com/ok/]

'''[[About:Research Methods|Research Methods]]:''' Actual mentions, online resources, shared staff

===Famicom/NES===
*''Hokuto no Ken 4: Shichisei Hakenden: Hokuto Shinken no Kanata e'' (under subcontract with Shouei System) (JP Publisher: Toei Animation)

===FM-7===
*''S.F.3.D Original Operation V'' (direction, programming, sound) (JP Publisher: [[Cross Media Soft]])
*''Yuunagi no Horizon'' (programming) (JP Publisher: Cross Media Soft)

===FMR-50===
*''Yajiuma Pennant Race 2'' (JP Publisher: Victor Musical Industries)

===Game Boy===
*''Pocket Battle'' (JP Publisher: Sigma)

===Macintosh===
*''Shock Price 500: Crossword Puzzle'' (JP Publisher: SME Intermedia)
:<small>?: Most Music [https://web.archive.org/web/20110218003453/http://www.most-web.com/company/tag/game]</small>
*''Shock Price 500: Daifugou'' (JP Publisher: SME Intermedia) [https://web.archive.org/web/20070217005959/http://oshige.com/blog/index/1998/11/post_8.html]
:<small>?: Most Music</small>

===NEC Digital Book===
*''Mahjong Kaidou'' (JP Publisher: Media Link System)
*''Mahjong Koujitsu'' (JP Publisher: NEC Media)

===PC Engine CD/TurboGrafx-CD===
*''Auto Crusher Palladium'' (JP Publisher: Pack-In-Video)
:<small>Sound Direction: [[Gingham Soft]]</small>
*''Where in the World is Carmen Sandiego?'' (JP Publisher: Pack-In-Video)

===PC-88===
*''Fortress'' (JP Publisher: Cross Media Soft)
*<div style="color:red">'''''Nankai no Hyouteki'' (JP Publisher: [[Bear's]])'''</div>
*''Musium 2'' (some programming) (JP Publisher: Cross Media Soft)
*''Musium Sound Board II'' (programming) (JP Publisher: Cross Media Soft)
*''Outlanders'' (programming) (JP Publisher: Cross Media Soft)
*''S.F.3.D Original Operation V'' (direction, programming, sound) (JP Publisher: Cross Media Soft)
*''Star Symphony'' (programming) (JP Publisher: Cross Media Soft)
*''Venus Fire'' (programming) (JP Publisher: Cross Media Soft)
*''Yajiuma Pennant Race 2'' (JP Publisher: Cross Media Soft)
*''Yuunagi no Horizon'' (programming) (JP Publisher: Cross Media Soft)

===PC-98===
*''Battle Chess'' (JP Publisher: Pack-In-Video)
*''Daiyuugen'' (JP Publisher: Office Koukan)
*''Hustler 2055'' (JP Publisher: Pack-In-Video)
*''Mankai Denshoku'' (JP Publisher: Victor Musical Industries)
*''Mankai Denshoku II'' (JP Publisher: Victor Musical Industries)
*''Mankai Denshoku III'' (JP Publisher: Victor Musical Industries)
*''Mole Mole 2'' (programming) (JP Publisher: Cross Media Soft) [https://twitter.com/chackn6601/status/1423274876555522052]
*''Musium 3: Expert'' (programming, graphics) (JP Publisher: Cross Media Soft)
*''Musium 4: Play'' (programming) (JP Publisher: Cross Media Soft)
*''Musium 4: Sound'' (programming) (JP Publisher: Cross Media Soft)
:<small>Sound: Mecano Associates</small>
*''Pachinko Tenshi'' (JP Publisher: Pack-In-Video)
*''Yajiuma Pennant Race: 12 Kyuudan-hen'' (programming, some graphics) (JP Publisher: Cross Media Soft)
*''Yajiuma Pennant Race 2'' (JP Publisher: Victor Musical Industries)

===Sharp X1===
*''Musium X1'' (programming, graphics) (JP Publisher: Cross Media Soft)
:<small>Programming, Graphics: Ishibashi Office</small>
*<div style="color:red">'''''Nankai no Hyouteki'' (JP Publisher: Bear's)'''</div>
*''S.F.3.D Original Operation V'' (direction, programming, sound) (JP Publisher: Cross Media Soft)

===Super Famicom/Super NES===
*''Battle Submarine'' (JP Publisher: Pack-In-Video)
*''Heiwa Pachinko World'' (JP Publisher: Shouei System)
*''Heiwa Pachinko World 2'' (JP Publisher: Shouei System)
*''Heiwa Pachinko World 3'' (JP Publisher: Shouei System)
*''Hokuto no Ken 7: Seiken Retsuden: Denshousha e no Michi'' (under subcontract with Shouei System) (JP Publisher: Toei Animation)
*''Idea no Hi'' (JP Publisher: Shouei System)
*''Maka Maka'' (JP Publisher: Sigma)
*''Matsumura Kunihiro Den: Saikyou no Rekishi o Nurikaeru!'' (JP Publisher: Shouei System)
*''Super Jangou'' (programming, some graphics) (JP Publisher: Victor Entertainment)
:<small>Some Graphics: Ocarina System</small>

===Windows===
*''Challenge Price 398 Series: Mahjong'' (JP Publisher: Magnolia)
*''Challenge Price 498: Mahjong'' (JP Publisher: Magnolia)
*''Click Crossword'' (JP Publisher: Marvelous Entertainment) [https://web.archive.org/web/20150607172800/http://www.marv.jp/game/am/tabid/73/pdid/5351/index.php]
*''Family Hanafuda: Hyaku Nin Ichi Shu'' (JP Publisher: Magnolia)
*''Family Hanafuda: Hyaku Nin Ichi Shu 2'' (JP Publisher: Magnolia)
*''Family Mahjong Kyoushitsu'' (JP Publisher: Magnolia)
*''Family Trump'' (JP Publisher: Magnolia)
*''Family Trump 2'' (JP Publisher: Magnolia)
*''Family Tsumeshogi Kyoushitsu'' (co-developed with Silver Star Japan?) (JP Publisher: Magnolia)
*''Mankai Denshoku: Shinsou Kaiten'' (JP Publisher: Victor)
:<small>All Graphic Data Creation: [[Kouyousha]]</small>
*''Nihon no Tsuri: Nagaragawa-hen'' (JP Publisher: Pack-In-Video)
*''Nihon no Tsuri Series: Iso Tsuri: Izu Shotou-hen'' (JP Publisher: Pack-In-Video)
*''Ohiruyasumi no Tame no Crossword Puzzle'' (JP Publisher: Itochu)
*''Ohiruyasumi no Tame no Trump Game'' (JP Publisher: Itochu)
*''Otou-san no Tame no Hanafuda'' (JP Publisher: Unbalance)
*''Otou-san no Tame no Tsuri: Kawa Tsuri-hen'' (JP Publisher: Unbalance)
*''Otou-san no Tame no Tsuri: Keiryuu-hen'' (JP Publisher: Unbalance)
*''Shock Price 500: Crossword Puzzle'' (JP Publisher: SME Intermedia)
:<small>?: Most Music [https://web.archive.org/web/20110218003453/http://www.most-web.com/company/tag/game]</small>
*''Shock Price 500: Daifugou'' (JP Publisher: SME Intermedia) [https://web.archive.org/web/20070217005959/http://oshige.com/blog/index/1998/11/post_8.html]
:<small>?: Most Music</small>
*''Super Hanafuda'' (JP Publisher: MediaKite)
*''Super Trump'' (JP Publisher: MediaKite)
*''Value Mahjong Nyuumon'' (JP Publisher: Magnolia)

===X68000===
*''Mankai Denshoku'' (JP Publisher: Victor Musical Industries)
*''Yajiuma Pennant Race'' (programming) (JP Publisher: Cross Media Soft) [https://twitter.com/chackn6601/status/1173942072555888640]
*''Zenkai Denshoku'' (JP Publisher: Victor Musical Industries)

==Links==
*[https://web.archive.org/web/*/http://www.firmring.com/ok/ Official website (Internet Archive Wayback Machine)] (Japanese)
*[https://web.archive.org/web/20150223144441/http://home.att.ne.jp/theta/kolmu/pages/work.html "Kolmu"'s works list (former Office Koukan programmer) (Internet Archive Wayback Machine)] (Japanese)
*[https://web.archive.org/web/19991113121939/http://www.tk.xaxon.ne.jp/~haradat/prof0000.html "HARA.DAT"'s profile (former Office Koukan programmer) (Internet Archive Wayback Machine)] (Japanese)

[[Category:Companies]]