Growing community of inventors

Tokyo, Japan

Kei Tsujimoto

Average Co-Inventor Count = 2.43

ph-index = 7

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 = 133

Kei TsujimotoWataru Nakazawa (8 patents)Kei TsujimotoKosuke Wakao (6 patents)Kei TsujimotoYoshitaka Matsui (4 patents)Kei TsujimotoTaiki Matsui (2 patents)Kei TsujimotoAkihiro Motomochi (2 patents)Kei TsujimotoMasahiro Hasebe (1 patent)Kei TsujimotoMasayoshi Kumagai (1 patent)Kei TsujimotoToyoaki Mitsue (1 patent)Kei TsujimotoYoshiteru Kawamori (1 patent)Kei TsujimotoHiroki Haremaki (1 patent)Kei TsujimotoShigenori Asakura (1 patent)Kei TsujimotoHideki Umeda (1 patent)Kei TsujimotoAkihiro Ishitani (1 patent)Kei TsujimotoTobias Pausch (1 patent)Kei TsujimotoKazuhiko Joujima (1 patent)Kei TsujimotoSatoru Hasegawa (1 patent)Kei TsujimotoYuji Toyooka (1 patent)Kei TsujimotoTakahiro Fujishiro (1 patent)Kei TsujimotoYuka Yoshimoto (1 patent)Kei TsujimotoKosuke Iai (1 patent)Kei TsujimotoTomohiro Sakotsubo (1 patent)Kei TsujimotoShogo Hashimoto (1 patent)Kei TsujimotoTakuya Aoki (1 patent)Kei TsujimotoMasahiko Kaifuki (1 patent)Kei TsujimotoYoshiyuki Yamamoto (1 patent)Kei TsujimotoKei Tsujimoto (21 patents)Wataru NakazawaWataru Nakazawa (15 patents)Kosuke WakaoKosuke Wakao (14 patents)Yoshitaka MatsuiYoshitaka Matsui (8 patents)Taiki MatsuiTaiki Matsui (9 patents)Akihiro MotomochiAkihiro Motomochi (4 patents)Masahiro HasebeMasahiro Hasebe (71 patents)Masayoshi KumagaiMasayoshi Kumagai (45 patents)Toyoaki MitsueToyoaki Mitsue (26 patents)Yoshiteru KawamoriYoshiteru Kawamori (24 patents)Hiroki HaremakiHiroki Haremaki (9 patents)Shigenori AsakuraShigenori Asakura (5 patents)Hideki UmedaHideki Umeda (4 patents)Akihiro IshitaniAkihiro Ishitani (4 patents)Tobias PauschTobias Pausch (3 patents)Kazuhiko JoujimaKazuhiko Joujima (3 patents)Satoru HasegawaSatoru Hasegawa (2 patents)Yuji ToyookaYuji Toyooka (2 patents)Takahiro FujishiroTakahiro Fujishiro (1 patent)Yuka YoshimotoYuka Yoshimoto (1 patent)Kosuke IaiKosuke Iai (1 patent)Tomohiro SakotsuboTomohiro Sakotsubo (1 patent)Shogo HashimotoShogo Hashimoto (1 patent)Takuya AokiTakuya Aoki (1 patent)Masahiko KaifukiMasahiko Kaifuki (1 patent)Yoshiyuki YamamotoYoshiyuki Yamamoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Takata Corporation (15 from 1,161 patents)

2. Sugino Machine Limited (4 from 117 patents)

3. Kioxia Corporation (1 from 2,750 patents)


21 patents:

1. D1084065 - Drilling and tapping machine

2. D1006016 - Solid state drive

3. D993289 - Washing machine for machined parts

4. D984496 - Washing deburring and drying machine for machined parts

5. D912109 - Machining center

6. D865010 - Washing machine for machined parts

7. 9434343 - Airbag and airbag device

8. 9415740 - Airbag apparatus

9. 9199598 - Airbag and airbag apparatus

10. 8851513 - Airbag and airbag device

11. 8465049 - Airbag and airbag device

12. 7841622 - Airbag and airbag apparatus

13. 7581754 - Airbag apparatus and method of manufacturing airbag

14. 7566071 - Steering wheel with airbag apparatus

15. 7431326 - Airbag apparatus

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as of
12/28/2025
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