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

Masahiro Asano — 58 Patents

Denso: 32 patents #145 of 11,792Top 2%
RERenesas Electronics: 6 patents #669 of 4,529Top 15%
ACAlps Electric Co.: 5 patents #368 of 2,177Top 20%
Toyota: 3 patents #8,352 of 26,838Top 35%
Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
SCSumitomo Special Metals Co.: 3 patents #65 of 262Top 25%
ACAlps Alpine Co.: 1 patents #246 of 525Top 50%
Nec: 1 patents #7,889 of 14,502Top 55%
NCNeomax Co.: 1 patents #41 of 95Top 45%
NCNippondenso Co.: 1 patents #1,765 of 3,479Top 55%
HEHitachi Kokusai Electric: 1 patents #493 of 843Top 60%
MCMakino Milling Machine Co.: 1 patents #91 of 184Top 50%
FUFujikura: 1 patents #788 of 1,407Top 60%
Overall (All Time): #41,771 of 4,157,543Top 2%
58 Patents All Time

Issued Patents All Time

Showing 51–58 of 58 patents

Patent #TitleCo-InventorsDate
6275140 Rotary variable resistor 2001-08-14
6169473 Screw-driven multiturn electrical device 2001-01-02
6054917 Rotatively driven type electric component with slider actuated by screw drive 2000-04-25
5936452 Device for detecting a plurality of signal levels indicating stopping of a clock signal Masayuki Utsuno, Yoshiki Cho 1999-08-10
5826479 Cutting device Takayuki Suzuki, Yoshimitsu Yamaguchi 1998-10-27
5765019 Microcomputer with built-in serial input-output circuit and collision detection circuit responsive to common input-output line being occupied Kimikatsu Matsubara 1998-06-09
5636343 Microcomputer with built-in serial input-output circuit and collision detection circuit responsive to common input-output line being occupied Kimikatsu Matsubara 1997-06-03
5427734 Process for preparing R-Fe-B type sintered magnets employing the injection molding method Osamu Yamashita, Tsunekazu Saigo 1995-06-27