Takeshi Okuyama

FL Fujitsu Component Limited: 25 patents #26 of 281Top 10%

NI Nikon: 19 patents #201 of 2,493Top 9%

NC Nikon Engineering Co.: 15 patents #2 of 8Top 25%

FL Fujitsu Takamisawa Component Limited: 10 patents #3 of 113Top 3%

Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%

NK Nippon Kogaku K.K.: 5 patents #67 of 382Top 20%

TP Tohoku Pioneer: 3 patents #81 of 312Top 30%

Nissan Motor Co.: 3 patents #2,303 of 8,689Top 30%

RS Renault S.A.S.: 3 patents #136 of 1,209Top 15%

HC Hirose Electric Co.: 3 patents #115 of 407Top 30%

SK Sekisui Kagaku Kogyo: 2 patents #64 of 395Top 20%

Pioneer: 2 patents #761 of 1,730Top 45%

HI Hitachi: 1 patents #17,742 of 28,497Top 65%

📍 Yokohama, CA: #45 of 287 inventorsTop 20%

Overall (All Time): #23,840 of 4,157,543Top 1%

Patents All Time

Issued Patents All Time

Showing 76–78 of 78 patents

Patent #	Title	Co-Inventors	Date
4310233	Film feed detecting device of a camera	Toshiaki Hozumi, Hiroshi Wakabayashi	1982-01-12
4292533	Motoring control for hydraulic pump-turbine	Toshiaki Yokoyama, Akira Hara	1981-09-29
4278853	Battery case including a main switch device	Hiroshi Wakabayashi	1981-07-14