TY

Tsutomu Yamamoto

OC Olympus Optical Co.: 9 patents #371 of 2,334Top 20%
SO Sony: 9 patents #4,874 of 25,231Top 20%
Nichia: 8 patents #239 of 1,531Top 20%
SE Seiko Epson: 7 patents #2,406 of 7,774Top 35%
HI Hitachi: 6 patents #6,582 of 28,497Top 25%
HM Hitachi Medical: 3 patents #208 of 680Top 35%
KC Kansai Paint Co.: 3 patents #201 of 822Top 25%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
HW Hisaka Works: 2 patents #13 of 55Top 25%
NC Niles Parts Co.: 2 patents #39 of 137Top 30%
JI Japan Atomic Energy Research Institute: 2 patents #81 of 609Top 15%
SC Sakai Chemical Industry Co.: 2 patents #66 of 227Top 30%
SC Stanley Electric Co.: 2 patents #339 of 1,072Top 35%
UF US Air Force: 1 patents #6,190 of 16,312Top 40%
NI Ngk Insulators: 1 patents #1,271 of 2,083Top 65%
DC Dijet Industrial Co.: 1 patents #2 of 8Top 25%
DC Du Pont-Toray Co.: 1 patents #22 of 62Top 40%
HC Harada Industry Co.: 1 patents #51 of 119Top 45%
HC House Food Industrial Co.: 1 patents #53 of 117Top 50%
JL Japan Exlan Company Limited: 1 patents #34 of 76Top 45%
MI Mitsuba: 1 patents #291 of 618Top 50%
DI Daicel Chemical Industries: 1 patents #476 of 893Top 55%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
OD Oki Data: 1 patents #442 of 635Top 70%
SC Sakase Adtech Co.: 1 patents #2 of 21Top 10%
The Yokohama Rubber Co.: 1 patents #666 of 1,136Top 60%
TL Tokyo Electron Limited: 1 patents #3,538 of 5,567Top 65%
📍 Tokyo, CA: #135 of 583 inventorsTop 25%
Overall (All Time): #34,440 of 4,157,543Top 1%
64
Patents All Time

Issued Patents All Time

Showing 51–64 of 64 patents

Patent #TitleCo-InventorsDate
4746203 Optical system for endoscope Kimihiko Nishioka, Susumu Takahashi, Akira Yokota 1988-05-24
4720178 Optical system for endoscope Kimihiko Nishioka, Susumu Takahashi, Akira Yokota 1988-01-19
4706653 Endoscope device 1987-11-17
4690867 Material for low melting point metal casting equipment Michio Nishiyama, Mitsuo Yamamoto, Masakazu Ozaki 1987-09-01
4632026 Tray pressing device in a retort sterilizer for cooking foods Toshinori Murakami, Yoshiaki Tokuda, Tamio Nagai 1986-12-30
4629199 Vortex gasket with composition for high-temperature and high-pressure application Masaaki Ashizawa, Kazuo Nishimoto, Yuji Sekiguchi 1986-12-16
4546033 Gasket sheet Yasushi Tsuchimoto, Shiro Takahata, Kiyotaka Shimada, Koji Tanaka, Susumu Aoki +2 more 1985-10-08
4508777 Compressed non-asbestos sheets Masaaki Ashizawa, Kazuo Nishimoto, Yuji Sekiguchi 1985-04-02
4485138 Heat-resistant sheet gasket Masaaki Ashizawa, Yutaka Shimoda 1984-11-27
4477094 Gasket and method for high-temperature and high pressure application Masaaki Ashizawa, Kazuo Nishimoto, Yuji Sekiguchi 1984-10-16
4471230 Control device for switches fitted onto an automobile steering wheel 1984-09-11
4387011 Resin composition for aqueous paint Keizo Makuuchi, Tohru Takagi, Hiroyuki Nakayama 1983-06-07
4332657 Emulsion composition for use in baking paint Keizo Makuuchi, Akio Katakai, Miyuki Hagiwara, Hiroyuki Nakayama, Tohru Takagi 1982-06-01
4195129 Method for immobilizing enzymes and microbial cells Saburo Fukui, Takamitsu Iida 1980-03-25