Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
KI

Kenichiro Ito — 26 Patents

NTNtn: 12 patents #131 of 1,364Top 10%
Sharp Kabushiki Kaisha: 6 patents #2,623 of 10,731Top 25%
NCNtn Toyo Bearing Co.: 2 patents #9 of 90Top 10%
NDNitto Denko: 2 patents #1,207 of 2,479Top 50%
AKAichi Kikai Kogyo Kabushiki Kaisha: 1 patents #8 of 37Top 25%
YKYoshida Kogyo K.K.: 1 patents #252 of 468Top 55%
ACAjinomoto Co.: 1 patents #1,164 of 2,190Top 55%
TIToyota Industries: 1 patents #904 of 1,610Top 60%
TTThe University Of Tokyo: 1 patents #1,000 of 2,633Top 40%
Overall (All Time): #153,542 of 4,157,543Top 4%
26 Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
11401311 Recombinant activin A precursor protein Hiroto Hirano 2022-08-02
10555413 Inverter Naohito Kanie, Kazuyoshi Kontani, Takuya Higashi 2020-02-04
9994616 c-Met protein agonist Hiroaki Suga 2018-06-12
9341888 Light reflection sheet, light source device, and display device Hideto Takeuchi, Toshiyuki Fujita, Tatsuo Sugahara, Yuuki Kawamura, Mamoru Yahata +6 more 2016-05-17
9175828 Reflection sheet light source device and display device Hideto Takeuchi, Toshiyuki Fujita, Tatsuo Sugahara, Yuuki Kawamura, Mamoru Yahata +6 more 2015-11-03
9104064 Light source device, illuminating device, backlight device, liquid crystal display device and display device Hideto Takeuchi, Toshiyuki Fujita, Tatsuo Sugahara, Yuuki Kawamura, Mamoru Yahata +6 more 2015-08-11
9097403 Light source device and display device Hideto Takeuchi, Hiroshi Takahashi, Tatsuo Sugahara, Keita Ito, Toshiyuki Fujita +6 more 2015-08-04
8807771 Light source device and display device Hideto Takeuchi, Toshiyuki Fujita, Tatsuo Sugahara, Yuuki Kawamura, Mamoru Yahata +6 more 2014-08-19
8632200 Light source device and display device Hideto Takeuchi, Toshiyuki Fujita, Tatsuo Sugahara, Yuuki Kawamura, Mamoru Yahata +6 more 2014-01-21
6536570 Power transmission device for hybrid cars Makoto Yasui, Shiro Goto 2003-03-25
6388201 Wired circuit board Takeshi Yamato 2002-05-14
6244403 Power transmission device for hybrid cars Makoto Yasui, Shiro Goto 2001-06-12
6198052 Circuit board with terminal accommodating level differences Toshihiko Omote, Yasuhito Ohwaki 2001-03-06
6123183 Rotation transmission device Makoto Yasui, Koichi Okada, Shiro Goto 2000-09-26
6076420 Power transmission changeover devices for four-wheel drive vehicles Isao Hori, Koji Akiyoshi 2000-06-20
6035988 Four-wheel drive control system Makoto Yasui, Shiro Goto 2000-03-14
5355748 Rotation transmitting device for an interaxle gearless differential Hiromi Nojiri, Kenro Adachi 1994-10-18
5286239 Rotation transmitting device having differently rotating output shafts Hiromi Nojiri, Kenro Adachi 1994-02-15
5269399 Device for transmitting driving force Hiromi Nojiri, Kenro Adachi 1993-12-14
5203232 Rotation transmitting device Hiromi Nojiri, Kenro Adachi 1993-04-20
5135084 Clutch Hiromi Nojiri, Kenro Adachi 1992-08-04
5025902 Bidirectional differential clutch Munehisa Imai, Atsushi Asano, Tsutomu Yasue, Hiromi Nojiri 1991-06-25
5016740 Torque responsive engaging clutch Hiromi Nojiri, Kenro Adachi 1991-05-21
4901831 Clutch Hiromi Nojiri, Kenro Adachi 1990-02-20
4852707 Reversible self-locking clutch Hiromi Nojiri, Kenro Adachi 1989-08-01