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

Shinji Usami

DEDenso: 28 patents #197 of 11,792Top 2%
NSNippon Soken: 1 patents #783 of 1,540Top 55%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #131,759 of 4,157,543Top 4%
29 Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
6845681 Starter motor having seal member for sealing axial end of housing Mitsuhiro Murata 2005-01-25
6791201 Starter having pinion movement restricting member Mituhiro Murata, Toyohisa Yamada 2004-09-14
6762663 Electromagnetic switch for starter Kazuhiro Andoh 2004-07-13
6744169 Direct current motor having commutator segments firmly embedded in insulation bond Yasuyuki Yoshida, Masahiro Katoh 2004-06-01