Tetsuya Matsumoto

FU Fujifilm: 29 patents #211 of 4,519Top 5%

Canon: 10 patents #6,241 of 19,416Top 35%

PA Panasonic: 5 patents #5,165 of 21,108Top 25%

Ricoh Company: 5 patents #3,664 of 9,818Top 40%

Shimano: 3 patents #327 of 759Top 45%

TC Takeuchi Mfg., Co.: 3 patents #7 of 36Top 20%

OL Origin Electric Company, Limited: 3 patents #18 of 128Top 15%

Meta: 2 patents #2,891 of 6,845Top 45%

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

HC Hitachi Construction Machinery Co.: 2 patents #502 of 1,234Top 45%

NE Nec Electronics: 2 patents #384 of 1,789Top 25%

Honda Motor Co.: 2 patents #8,527 of 21,052Top 45%

Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%

CC Cnk Co.: 1 patents #8 of 18Top 45%

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

HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%

JT Jtekt: 1 patents #1,102 of 1,969Top 60%

NE Nec: 1 patents #7,889 of 14,502Top 55%

CP Chugai Pharmaceutical: 1 patents #730 of 1,238Top 60%

OC Otsuka Koki Co.: 1 patents #9 of 24Top 40%

Pioneer Electronic: 1 patents #1,093 of 1,840Top 60%

Overall (All Time): #24,726 of 4,157,543Top 1%

Patents All Time

Issued Patents All Time

Showing 76–76 of 76 patents

Patent #	Title	Co-Inventors	Date
5043190	Process for producing cast-coated papers	Hitoshi Katsumata, Hirosi Aizawa, Taiji Nakajima, Kouichi Nagai	1991-08-27