OY

Osamu Yamamoto

Sharp Kabushiki Kaisha: 39 patents #267 of 10,731Top 3%
Sumitomo Electric Industries: 25 patents #692 of 21,551Top 4%
Honda Motor Co.: 24 patents #415 of 21,052Top 2%
NE Nec: 13 patents #940 of 14,502Top 7%
LP Lenovo (Singapore) Pte.: 10 patents #188 of 1,301Top 15%
Samsung: 8 patents #15,984 of 75,807Top 25%
Canon: 8 patents #7,260 of 19,416Top 40%
HM Hitachi Maxell: 6 patents #147 of 1,211Top 15%
DI Daikin Industries: 5 patents #682 of 2,957Top 25%
CH Chiyoda: 5 patents #35 of 358Top 10%
Mitsubishi Electric: 4 patents #7,099 of 25,717Top 30%
NC Nitto Boseki Co.: 4 patents #40 of 339Top 15%
TO Toyota: 4 patents #6,703 of 26,838Top 25%
KA Kabushikikaisha Aichidenkikosakusho: 3 patents #1 of 4Top 25%
MS Mitsubishi Heavy Industries Machinery Systems: 3 patents #32 of 158Top 25%
FC Fuji Electric Co.: 3 patents #717 of 2,643Top 30%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
JC Jfe Mineral Company: 3 patents #7 of 28Top 25%
HK Honda Giken Koygo: 2 patents #9 of 356Top 3%
DK Denki Kagaku Kogyo: 2 patents #165 of 655Top 30%
HC Hitachi Chemical Company: 2 patents #701 of 1,946Top 40%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
KO Komori: 2 patents #78 of 219Top 40%
NC Nippon Paint Holdings Co.: 2 patents #265 of 834Top 35%
IBM: 2 patents #32,839 of 70,183Top 50%
MK Mitsubishi Kasei: 1 patents #404 of 911Top 45%
MC Mitsubishi Monsanto Chemical: 1 patents #33 of 69Top 50%
ML Mitsubishi Paper Mills Limited: 1 patents #256 of 458Top 60%
MC Mitsubishi Rayon Engineering Co.: 1 patents #25 of 48Top 55%
KC Kowa Company: 1 patents #310 of 562Top 60%
KL Kla: 1 patents #347 of 758Top 50%
NC Nippon Electric Co.: 1 patents #251 of 792Top 35%
CC Chiyoda Chemical Entineering & Constructions Co.: 1 patents #41 of 119Top 35%
NI Nisshinbo Industries: 1 patents #182 of 375Top 50%
KT Kabushiki Kaisha Top: 1 patents #53 of 213Top 25%
NC Nitto Kohki Co.: 1 patents #98 of 144Top 70%
RT Renesas Technology: 1 patents #1,991 of 3,337Top 60%
SK Sekisui Kaseihin Kogyo: 1 patents #50 of 116Top 45%
HL Hughes Electronics Limited: 1 patents #605 of 1,474Top 45%
5K 501 Sharp Kabushiki Kaisha: 1 patents #9 of 25Top 40%
SC Sumitomo Metal Mining Co.: 1 patents #385 of 736Top 55%
The Yokohama Rubber Co.: 1 patents #666 of 1,136Top 60%
TK Toa Nenryo Kogyo: 1 patents #121 of 220Top 60%
TK Tomei Sangyo Kabushiki Kaisha: 1 patents #12 of 35Top 35%
TO Toto: 1 patents #620 of 1,113Top 60%
TC Toyo Seikan Co.: 1 patents #498 of 888Top 60%
UI Ube Industries: 1 patents #895 of 1,686Top 55%
GI Genesis Research Institute: 1 patents #21 of 42Top 50%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
AC Aisin Ai Co.: 1 patents #52 of 119Top 45%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
FD Fuji Electric Corporate Research & Development: 1 patents #26 of 75Top 35%
MU Mie University: 1 patents #68 of 161Top 45%
📍 Tsu, CA: #1 of 2 inventorsTop 50%
Overall (All Time): #3,054 of 4,157,543Top 1%
209
Patents All Time

Issued Patents All Time

Showing 176–200 of 209 patents

Patent #TitleCo-InventorsDate
4773077 Internal reflection interferometric semiconductor laser apparatus Hiroshi Hayashi, Saburo Yamamoto 1988-09-20
4768796 Rear wheel drive vehicle Yutaka Tashiro 1988-09-06
4760972 Recording tape cartridge and hub for use therein and method of making the hub Shigeo Sasaki 1988-08-02
4731687 Tape cartridge Shinichi Kagano, Kazuaki Urano, Mutsunori Hamaoka 1988-03-15
4730328 Window structure semiconductor laser Nobuyuki Miyauchi, Shigeki Maei, Taiji Morimoto, Hiroshi Hayashi, Saburo Yamamoto 1988-03-08
4720834 Internal-reflection-interference semiconductor laser device Hiroshi Hayashi, Taiji Morimoto, Saburo Yamamoto 1988-01-19
4678275 Optical fiber for infrared transmission consisting essentially of high purity mixed crystal of thallium bromide and thallium iodide Masaru Ikedo, Masafumi Watari, Yoshiaki Hayashi, Hiroshi Tsutsui 1987-07-07
4675171 Production of finely-divided particulate bismuth oxide Shigeki Kubo 1987-06-23
4668401 Hollow-fiber filter module and filtration method using the same Munehiro Okumura, Kazuo Kuwahara, Masujiro Arita, Shingo Mori, Tetsuya Ohmura +1 more 1987-05-26
4660844 Steering system for vehicles Shoichi Sano, Yoshimi Furukawa 1987-04-28
4660983 Apparatus for measuring reflectivities of resonator facets of semiconductor laser Haruhisa Takiguchi, Sadayoshi Matsui 1987-04-28
4655597 Micro-displacement measuring apparatus using a semiconductor laser Sadayoshi Matsui, Haruhisa Takiguchi, Hiroshi Hayashi, Nobuyuki Miyauchi 1987-04-07
4651005 Energy separated quantum-counting radiography Sueki Baba, Tadaoki Yamashita, Hiroshi Tsutsui 1987-03-17
4649013 Method of making a plastic cap Muneki Yamada 1987-03-10
4590417 Voltage controlled diode attenuator Shigeyuki Tanaami 1986-05-20
D283870 Electric can opener Senichiro Norizuki 1986-05-20
4561182 Electric can opener Senichiro Norizuki 1985-12-31
4558757 Position coordinate input device Yoshihiro Mori, Kazumasa Yamamoto 1985-12-17
4542067 Flameproofed water-repellent woven or knitted sheet coated with silicone containing fibrous potassium titanate Hideaki Suda, Kihachiro Nishiuchi, Misao Izumi, Noriyoshi Ejima 1985-09-17
4534108 Electric can opener with juice squeezing attachment Senichiro Norizuki 1985-08-13
4487877 Diaphragm for loudspeaker Takashi Takeda, Kousaku Murata, Kazumasa Yamamoto 1984-12-11
4471085 Diaphragm material for loudspeakers Takashi Takeda, Teruo Kobayashi 1984-09-11
4471281 Digital control device Yoshiaki Uezumi, Akira Kaiko 1984-09-11
4448921 Rock wool composite material Eisuke Yamaya, Takashi Koike, Shunji Seino 1984-05-15
4429059 Process for producing foamable polyolefin particles Shunichi Ozutsumi 1984-01-31