Growing community of inventors

Tokyo, Japan

Koji Tsuchiya

Average Co-Inventor Count = 3.23

ph-index = 4

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 83

Koji TsuchiyaKenji Tosaki (2 patents)Koji TsuchiyaAtsunori Himoto (2 patents)Koji TsuchiyaMiyuki Yasuoka (2 patents)Koji TsuchiyaMadoka Nakayama (2 patents)Koji TsuchiyaToshio Shiobara (1 patent)Koji TsuchiyaKazutoshi Tomiyoshi (1 patent)Koji TsuchiyaMichiei Nakamura (1 patent)Koji TsuchiyaYoshio Abe (1 patent)Koji TsuchiyaKazuhiro Arai (1 patent)Koji TsuchiyaKonobu Kimura (15 patents)Koji TsuchiyaHisao Okamoto (1 patent)Koji TsuchiyaYutaka Nakagawa (1 patent)Koji TsuchiyaYoshiyuki Zama (1 patent)Koji TsuchiyaShotoku Takami (1 patent)Koji TsuchiyaAkimichi Ohsaka (5 patents)Koji TsuchiyaYoko Tabe (5 patents)Koji TsuchiyaTakeshi Tamaki (1 patent)Koji TsuchiyaNorihito Yoshimori (1 patent)Koji TsuchiyaHirotoshi Ishizawa (1 patent)Koji TsuchiyaMasahiko Aoba (1 patent)Koji TsuchiyaHironori Sakamoto (1 patent)Koji TsuchiyaKoki Oitori (1 patent)Koji TsuchiyaSatomi Kugimiya (1 patent)Koji TsuchiyaKenjiro Matsumoto (1 patent)Koji TsuchiyaMasato Kanari (1 patent)Koji TsuchiyaYuji Kishigami (1 patent)Koji TsuchiyaKoji Tsuchiya (7 patents)Kenji TosakiKenji Tosaki (18 patents)Atsunori HimotoAtsunori Himoto (10 patents)Miyuki YasuokaMiyuki Yasuoka (4 patents)Madoka NakayamaMadoka Nakayama (3 patents)Toshio ShiobaraToshio Shiobara (192 patents)Kazutoshi TomiyoshiKazutoshi Tomiyoshi (48 patents)Michiei NakamuraMichiei Nakamura (43 patents)Yoshio AbeYoshio Abe (22 patents)Kazuhiro AraiKazuhiro Arai (16 patents)Konobu KimuraKonobu Kimura (15 patents)Hisao OkamotoHisao Okamoto (13 patents)Yutaka NakagawaYutaka Nakagawa (10 patents)Yoshiyuki ZamaYoshiyuki Zama (8 patents)Shotoku TakamiShotoku Takami (7 patents)Akimichi OhsakaAkimichi Ohsaka (5 patents)Yoko TabeYoko Tabe (5 patents)Takeshi TamakiTakeshi Tamaki (3 patents)Norihito YoshimoriNorihito Yoshimori (3 patents)Hirotoshi IshizawaHirotoshi Ishizawa (2 patents)Masahiko AobaMasahiko Aoba (2 patents)Hironori SakamotoHironori Sakamoto (1 patent)Koki OitoriKoki Oitori (1 patent)Satomi KugimiyaSatomi Kugimiya (1 patent)Kenjiro MatsumotoKenjiro Matsumoto (1 patent)Masato KanariMasato Kanari (1 patent)Yuji KishigamiYuji Kishigami (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dainichiseika Color & Chemicals Mfg. Co., Ltd. (2 from 264 patents)

2. Sega Enterprises, Ltd. (2 from 264 patents)

3. Other (1 from 832,680 patents)

4. Sega Corporation (1 from 134 patents)

5. Light Boy Co., Ltd. (1 from 5 patents)

6. Sysmex Corporation (1,033 patents)

7. Juntendo Educational Foundation (21 patents)


7 patents:

1. 11402086 - Floodlight

2. 9034095 - Greenish blue pigment, colorant composition containing said pigment, and image recording material

3. 8062112 - Game information processing apparatus and game control program

4. 6786826 - Memory device, controller, and electronic device

5. 6726762 - Finely divided pigments and coloring compositions

6. 6569532 - Epoxy resin compositions and premolded semiconductor packages

7. 6478679 - Memory device, controller and electronic device

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as of
12/5/2025
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