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

Masahiro Mita

Hitachi: 32 patents #817 of 28,497Top 3%
HCHitachi Industrial Equipment Systems Co.: 2 patents #215 of 550Top 40%
Casio Computer Co.: 2 patents #935 of 1,970Top 50%
JCJapan Servo Co.: 1 patents #92 of 161Top 60%
HMHitachi Maxell: 1 patents #659 of 1,211Top 55%
HCHitachi Powdered Metals Co.: 1 patents #113 of 246Top 50%
HEHitachi Ferrite Electronics: 1 patents #2 of 14Top 15%
Takasaki, CA: #1 of 3 inventorsTop 35%
Overall (All Time): #108,168 of 4,157,543Top 3%
33 Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
6265800 Diskette incorporating permanent magnet generator with reduced cogging torque and permanent magnet generator for use in diskette Fumio Kimura, Masahiro Masuzawa, Toshiko Takahashi 2001-07-24
6169826 Optical switch Toshikazu Nishiyama, Yoshiji Totsuka, Miki Nakategawa, Kazutaka Sato, Masaya Horino +1 more 2001-01-02
6104118 Alternating current generator for use in vehicle Hiroshi Kanazawa, Kazuo Tahara, Yoshiaki Honda, Masami Takano 2000-08-15
5841212 Permanent magnet field type rotating machine Takashi Sasaki 1998-11-24
5821710 Brushless motor having permanent magnets Masahiro Masuzawa, Noriyoshi Hirao, Takashi Sasaki 1998-10-13
5684352 Permanent magnet field-type rotating machine Takashi Sasaki 1997-11-04
5523911 Minimum bearing load, high precision actuator arm with force couple actuation Juro Endo, Ken G. Wasson 1996-06-04
5495376 Power loss actuated magnetic latch system for head-arm assembly Ken G. Wasson, Juro Endo 1996-02-27