Kentaro Takahashi

SC Sanyo Electric Co.: 21 patents #158 of 6,347Top 3%

TO Toyota: 16 patents #1,599 of 26,838Top 6%

SC Sumitomo Osaka Cement Co.: 8 patents #38 of 327Top 15%

NC Nippon Piston Ring Co.: 7 patents #20 of 208Top 10%

OC Optoelectronics Co.: 6 patents #4 of 61Top 7%

Canon: 5 patents #9,253 of 19,416Top 50%

Aisin Seiki Kabushiki Kaisha: 5 patents #693 of 3,782Top 20%

TI Texas Instruments: 3 patents #4,047 of 12,488Top 35%

MC Murata Manufacturing Co.: 2 patents #2,631 of 5,295Top 50%

HI Hitachi: 2 patents #13,388 of 28,497Top 50%

DE Denso: 2 patents #4,986 of 11,792Top 45%

DA Denso International America: 1 patents #317 of 604Top 55%

PS Prime Planet Energy & Solutions: 1 patents #94 of 228Top 45%

OP Opticon: 1 patents #12 of 40Top 30%

SP Spiber: 1 patents #22 of 51Top 45%

Overall (All Time): #24,077 of 4,157,543Top 1%

Patents All Time

Issued Patents All Time

Showing 76–77 of 77 patents

Patent #	Title	Co-Inventors	Date
4345942	Abrasion resistant sintered alloy for internal combustion engines	Yoshikatsu Nakamura, Masajiro Takeshita	1982-08-24
4243414	Slidable members for prime movers	Yoshikatsu Nakamura, Masajiro Takeshita	1981-01-06