Tsutomu Satoh

Ricoh Company: 18 patents #1,197 of 9,818Top 15%

MC Mochida Pharmaceutical Co.: 14 patents #6 of 309Top 2%

KC Kyowa Hakko Kogyo Co.: 9 patents #110 of 943Top 15%

KC Kyowa Yuka Co.: 5 patents #6 of 57Top 15%

NC Naoetsu Electronics Co.: 5 patents #1 of 12Top 9%

Sharp Kabushiki Kaisha: 4 patents #3,475 of 10,731Top 35%

SC Showa Denko Materials Co.: 2 patents #64 of 270Top 25%

NE Nec: 2 patents #5,510 of 14,502Top 40%

SC Somar Manufacturing Co.: 2 patents #5 of 15Top 35%

TL Tokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%

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

KC Katoh Electrical Machinery Co.: 1 patents #19 of 36Top 55%

ML Mitsubishi Paper Mills Limited: 1 patents #256 of 458Top 60%

MC Mitsui Mining & Smelting Co.: 1 patents #444 of 838Top 55%

RE Resonac: 1 patents #191 of 474Top 45%

Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%

Overall (All Time): #48,537 of 4,157,543Top 2%

Patents All Time

Issued Patents All Time

Showing 51–53 of 53 patents

Patent #	Title	Co-Inventors	Date
4427760	Photohardenable materials	Kohtaro Nagazawa, Kunio Morikubo, Fujio Tanaka, Masaki Okuyama	1984-01-24
4296948	Color-developing sheet for no-carbon copying process	Hideo Ohye, Hirokazu Tsukahara, Hideaki Senoh, Takahiro Torii	1981-10-27
4284707	Photocurable light-sensitive composition	Kohtaro Nagasawa, Kunio Morikubo	1981-08-18