| Tanaka Ichirou田中 一郎 | |
| Language | Japanese |
| Links | Official website Xitter Pixiv |
| Title | Released | Role | As | Note |
| S.A. | 1993 | Scenario | Tanaka Ichirou | |
| Grief ~Nemurenu Omoi Tsutaetakute~ | 2000-03-24 | Scenario | Tanaka Ichirou | |
| Kafu ~Kono Shirabe ga Kimi ni Todokimasu You ni~ | 2001-03-23 | Scenario | Tanaka Ichirou | |
| Kafu ~Kono Shirabe ga Kimi ni Todokimasu You ni~ | 2001-03-23 | Composer | Tanaka Ichirou | |
| Kafu ~Kono Shirabe ga Kimi ni Todokimasu You ni~ | 2001-03-23 | Director | Tanaka Ichirou | |
| Kafu ~Kono Shirabe ga Kimi ni Todokimasu You ni~ | 2001-03-23 | Staff | Tanaka Ichirou | Planning |
| Juusou Koujo Metal Princess | 2002-02-22 | Composer | Tanaka Ichirou | BGM, Theme song |
| Kanade | 2002-06-28 | Scenario | Tanaka Ichirou | |
| Kanade | 2002-06-28 | Director | Tanaka Ichirou | |
| Kanade | 2002-06-28 | Staff | Tanaka Ichirou | Planning |
| Gunsister | 2002-11-29 | Staff | Tanaka Ichirou | Planning (first half), character settings, sound effects, OP lyrics |
| Auau | 2002-12-06 | Scenario | Tanaka Ichirou | |
| Auau | 2002-12-06 | Composer | Tanaka Ichirou | |
| Soko ni Umi ga Atte... | 2003-12-19 | Scenario | Tanaka Ichirou | Yuunagi and Aoi routes |
| Soko ni Umi ga Atte... | 2003-12-19 | Staff | Tanaka Ichirou | Voice direction, scenario adjustment |
| Naisho no Houkago | 2004-09-24 | Scenario | Tanaka Ichirou | Misono route |
| Naisho no Houkago | 2004-09-24 | Director | Tanaka Ichirou | |
| Naisho no Houkago | 2004-09-24 | Staff | Tanaka Ichirou | Scenario unification |
| Yurine ~Onee-sama ga Oshiete Kureta~ | 2005-02-11 | Scenario | Tanaka Ichirou | |
| Oshikake Osanazuma 3 | 2005-02-18 | Scenario | Tanaka Ichirou | |
| Oshikake Osanazuma 3 | 2005-02-18 | Director | Tanaka Ichirou | |
| Oshikake Osanazuma 3 | 2005-02-18 | Staff | Tanaka Ichirou | Plan arrangement, storyboards |
| Kami-sama no Iu toori Kujibiki Ai-biki Scramble | 2005-04-28 | Scenario | Tanaka Ichirou | |
| Paimega | 2005-06-24 | Scenario | Tanaka Ichirou | |
| School Festa | 2005-11-25 | Scenario | Tanaka Ichirou | Common and Kurosaki Yuu routes |
| School Festa | 2005-11-25 | Director | Tanaka Ichirou | |
| School Festa | 2005-11-25 | Staff | Tanaka Ichirou | Plan arrangement, storyboards, text adjustment |
| Nanairo Kanata - Natsuyasumi! Doki Love Vacances Yume Bouken! - | 2006-05-26 | Scenario | Tanaka Ichirou | |
| Kon'ya no Okazu wa Range de Marine | 2006-08-25 | Scenario | Tanaka Ichirou | |
| Mehime no Toriko ~Haikousha no Seifuku Shoujo~ | 2006-10-27 | Scenario | Tanaka Ichirou | |
| Always ~Futo, Ki ga Tsukeba Kimi to no Nichijou...~ | 2006-11-10 | Scenario | Tanaka Ichirou | |
| Always ~Futo, Ki ga Tsukeba Kimi to no Nichijou...~ | 2006-11-10 | Staff | Tanaka Ichirou | Plan arrangement |
| Nettai Teikiatsu Shoujo | 2007-10-25 | Scenario | Tanaka Ichirou | |
| Nettai Teikiatsu Shoujo | 2007-10-25 | Staff | Tanaka Ichirou | Planning |
| Koibito Doushi de Suru Koto Zenbu | 2007-11-30 | Scenario | Tanaka Ichirou | Assistant Writer |
| Boin Shimai no Kojin Jugyou | 2008-04-25 | Scenario | Tanaka Ichirou | |
| Maple Colors 2 | 2008-12-26 | Scenario | Tanaka Ichirou | |
| Shujii no Inbou | 2009-09-25 | Scenario | Tanaka Ichirou | |
| Trouble@Vampire! ~Ano Ko wa Ore no Goshujin-sama~ | 2009-10-30 | Scenario | Tanaka Ichirou | Assistant writer |
| Meguri Megureba Meguru Toki!? | 2010-05-28 | Scenario | Tanaka Ichirou | |
| Steal My Heart ~Rhapsody of Moonlight~ | 2010-07-30 | Scenario | Tanaka Ichirou | |
| Koi to Senkyo to Chocolate | 2010-10-29 | Scenario | Tanaka Ichirou | PSP version |
| Sakura no Shippo ~Sakura Tale Fandisc~ | 2010-11-26 | Scenario | Tanaka Ichirou | |
| Gokudou no Hanayome | 2011-01-28 | Scenario | Tanaka Ichirou | |
| Gakuen Taima! Holy x Moly | 2011-06-24 | Scenario | Tanaka Ichirou | |
| Ano Ko wa Ore kara Hanarenai | 2012-09-28 | Scenario | Tanaka Ichirou | |
| Saimin Yuugi | 2012-10-26 | Staff | Tanaka Ichirou | Progress management assistance |
| Kanojo to Ore to Koibito to. | 2012-12-14 | Scenario | Tanaka Ichirou | |
| Komorebi no Nostalgica | 2013-02-22 | Staff | Tanaka Ichirou | Assistant writer |
| Kanojo to Ore to, Koisuru Resort ~Kanojo to Ore to Koibito to. & Koisuru Natsu no Last Resort W Fan Disc~ | 2014-10-31 | Scenario | Tanaka Ichirou | |
| Otome wa Boku ni Koishiteru: Trinkle Stars | 2018-02-23 | Scenario | Tanaka Ichirou | |
| Otome wa Boku ni Koishiteru: Trinkle Stars | 2018-02-23 | Staff | Tanaka Ichirou | Composition |
| Futago no Toriko ~Koisuru Idol~ | 2021-07-30 | Scenario | Tanaka Ichirou | |
| 7th Divine ~Hakugin no Seijo to Shikkoku no Maou~ | 2022-01-28 | Scenario | Tanaka Ichirou | |
| Shinsei Kourin Dacryon - Runa ~Daseibo Tanjou~ | 2022-06-24 | Scenario | Tanaka Ichirou | |
| Shingun Goblin Gundan 2 ~Injuugun VS. INTRUDER~ | 2023-04-28 | Scenario | Tanaka Ichirou |