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USPTO Patent Rankings Data through Sept 30, 2025
KA

Kenro Adachi — 16 Patents

NTNtn: 14 patents #110 of 1,364Top 9%
NCNtn Toyo Bearing Co.: 2 patents #9 of 90Top 10%
Iwata, JP: #66 of 782 inventorsTop 9%
Overall (All Time): #302,116 of 4,157,543Top 8%
16 Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
6979001 Wheel bearing and sealing device therefor Hisashi Ohtsuki, Takayuki Norimatsu, Eiji Funahashi, Koji Kametaka, Motoharu Niki +1 more 2005-12-27
6145641 Hub clutch assembly Takayuki Norimatsu 2000-11-14
5992595 Hub clutch assembly Takayuki Norimatsu 1999-11-30
5967279 Hub clutch assembly Kenichiro Itoh, Takayuki Norimatsu, Isao Hori, Katsuhisa Suzuki, Koji Akiyoshi 1999-10-19
5950785 Hub clutch assembly Takayuki Norimatsu 1999-09-14
5871072 Hub clutch assembly Kenichiro Itoh, Takayuki Norimatsu, Isao Hori, Katsuhisa Suzuki, Koji Akiyoshi 1999-02-16
5542514 Rotational transmission device Kenichiro Itoh 1996-08-06
5355748 Rotation transmitting device for an interaxle gearless differential Kenichiro Ito, Hiromi Nojiri 1994-10-18
5355981 Torque transmission device Kenichiro Itoh, Hiromi Nojiri 1994-10-18
5286239 Rotation transmitting device having differently rotating output shafts Kenichiro Ito, Hiromi Nojiri 1994-02-15
5269399 Device for transmitting driving force Kenichiro Ito, Hiromi Nojiri 1993-12-14
5203232 Rotation transmitting device Kenichiro Ito, Hiromi Nojiri 1993-04-20
5135084 Clutch Kenichiro Ito, Hiromi Nojiri 1992-08-04
5016740 Torque responsive engaging clutch Kenichiro Ito, Hiromi Nojiri 1991-05-21
4901831 Clutch Kenichiro Ito, Hiromi Nojiri 1990-02-20
4852707 Reversible self-locking clutch Kenichiro Ito, Hiromi Nojiri 1989-08-01