Takeshi Matsumura

ND Nitto Denko: 51 patents #19 of 2,479Top 1%

TO Toyota: 41 patents #286 of 26,838Top 2%

PA Panasonic: 31 patents #493 of 21,108Top 3%

HM Hitachi Medical: 21 patents #18 of 680Top 3%

Canon: 20 patents #3,238 of 19,416Top 20%

Sumitomo Electric Industries: 16 patents #1,466 of 21,551Top 7%

Ericsson: 14 patents #902 of 9,909Top 10%

NT National Institute Of Advanced Industrial Science And Technology: 10 patents #56 of 3,134Top 2%

HC Hitachi Industrial Equipment Systems Co.: 8 patents #53 of 550Top 10%

JT Japan Tobacco: 5 patents #108 of 1,187Top 10%

HC Hokusan Co.: 4 patents #2 of 26Top 8%

NU National University Corporation Hokkaido University: 3 patents #83 of 825Top 15%

FC Fuji Photo Optical Co.: 3 patents #177 of 509Top 35%

YA Yazaki: 3 patents #1,239 of 3,427Top 40%

KU Kyoto University: 3 patents #177 of 1,688Top 15%

AI Aisin: 2 patents #158 of 1,000Top 20%

TC The Hokuren Federation Of Agricultural Cooperatives: 2 patents #1 of 17Top 6%

SO Sony: 2 patents #12,963 of 25,231Top 55%

SI School Juridical Person The Kitasato Institute: 1 patents #17 of 57Top 30%

BL Bridgestone Tire Company Limited: 1 patents #196 of 438Top 45%

IC Idemitsu Kosan Co.: 1 patents #699 of 1,237Top 60%

SC Screen Holdings Co.: 1 patents #452 of 686Top 70%

📍 Numazu, MO: #1 of 1 inventorsTop 100%

Overall (All Time): #2,469 of 4,157,543Top 1%

229

Patents All Time

Issued Patents All Time

Showing 226–229 of 229 patents

Patent #	Title	Co-Inventors	Date
4976525	Projection lens system for projectors	Noboru Koizumi	1990-12-11
D302733	Compact self-ballasted fluorescent lamp	Masashi Sangen, Naoyuki Nakamura	1989-08-08
4778264	Refraction-type projection lens	Yoshiaki Himeno	1988-10-18
4311392	Thickness measuring apparatus for non-metallic sheet-shaped bodies	Susumu Yazaki	1982-01-19