KY

Koichi Yamamoto

DC Daido Metal Company: 48 patents #4 of 280Top 2%
Honda Motor Co.: 26 patents #359 of 21,052Top 2%
Mazda Motor: 17 patents #126 of 4,755Top 3%
SO Sony: 13 patents #3,381 of 25,231Top 15%
KT Kabushiki Kaisha Toshiba: 10 patents #3,082 of 21,451Top 15%
PA Panasonic: 9 patents #2,933 of 21,108Top 15%
HH Hitachi High-Technologies: 8 patents #621 of 1,917Top 35%
SL Saturn Licensing: 8 patents #28 of 329Top 9%
AC Alps Electric Co.: 5 patents #368 of 2,177Top 20%
Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%
NC Nippon Shokubai Kagaku Kogyo Co.: 5 patents #41 of 341Top 15%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
SM Smartnews: 3 patents #2 of 6Top 35%
Kioxia: 2 patents #693 of 1,813Top 40%
IK Ishisuka Garasu Kabushiki Kaisha: 2 patents #2 of 14Top 15%
SV Sovereign Peak Ventures: 2 patents #11 of 26Top 45%
Toshiba Memory: 2 patents #853 of 1,971Top 45%
YA Yazaki: 2 patents #1,574 of 3,427Top 50%
DL Denso Ten Limited: 2 patents #84 of 359Top 25%
FL Fujitsu Ten Limited: 1 patents #456 of 996Top 50%
SH Shimadzu: 1 patents #1,152 of 2,007Top 60%
CL Central Glass Company, Limited: 1 patents #505 of 968Top 55%
DE Denso: 1 patents #6,940 of 11,792Top 60%
NC Nippon Shokubai Co.: 1 patents #656 of 1,108Top 60%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
TC Toyo Seikan Co.: 1 patents #498 of 888Top 60%
FI Fujifilm Business Innovation: 1 patents #3,579 of 5,238Top 70%
YK Ykk: 1 patents #472 of 845Top 60%
KS Kobe Steel: 1 patents #937 of 1,773Top 55%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
Nsk: 1 patents #937 of 1,559Top 65%
OC Osaka Gas Co.: 1 patents #252 of 689Top 40%
📍 Tokyo, MI: #7 of 74 inventorsTop 10%
Overall (All Time): #3,846 of 4,157,543Top 1%
188
Patents All Time

Issued Patents All Time

Showing 151–175 of 188 patents

Patent #TitleCo-InventorsDate
5385648 Process for preparing a ceric ion-containing aqueous acid solution Noboru Sugishima, Noriaki Ikeda, Yasuhiko Kizu 1995-01-31
5352541 Sliding member made of aluminum bearing alloy having excellent anti-seizure property Tadashi Tanaka, Masaaki Sakamoto, Tsukimitsu Higuchi 1994-10-04
5346668 Copper based alloy for wear resistant sliding layer and sliding member Tadashi Tanaka, Masaaki Sakamoto, Kenji Sakai 1994-09-13
5334460 CU-PB system alloy composite bearing having overlay Tadashi Tanaka, Masaaki Sakamoto, Kenji Sakai 1994-08-02
5328772 Multilayer sliding material for high-speed engine and method of producing same Tadashi Tanaka, Masaaki Sakamoto, Motomu Wada, Hideo Ishikawa, Youji Nagai +1 more 1994-07-12
5298336 Multilayer composite sliding material having excellent seizure resistance property Tadashi Tanaka, Masaaki Sakamoto, Tsukimitsu Higuchi 1994-03-29
5298052 High temperature bearing alloy and method of producing the same Tadashi Tanaka, Masaaki Sakamoto, Kenji Sakai 1994-03-29
5290544 Cosmetic products containing a soluble glass Fujio Shimono, Toshiyuki Onishi, Ryota Miyoshi 1994-03-01
5284909 Amphoteric polyelectrolyte, method for production thereof, and organic sludge dehydrater Kazutomo Takahashi, Kazuo Kodama, Seiichi Suzuki, Takashi Tazaki, Yutaka Morimoto +1 more 1994-02-08
5256494 Sliding member with a sintered copper alloy layer Tadashi Tanaka, Masaaki Sakamoto, Tsukimitsu Higuchi 1993-10-26
5252184 Additive for production of paper Yasumasa Tanaka, Kazutomo Takahashi 1993-10-12
5253176 Apparatus and method for producing variable configuration die Masaaki Todoroki, Hidetoshi Imazu, Hideo Nomura, Nobuyuki Yamaguchi, Junichi Asano +1 more 1993-10-12
5246509 Copper base alloy superior in resistances to seizure, wear and corrosion suitable for use as material of sliding member Tohru Kato, Tadashi Tanaka, Masaaki Sakamoto 1993-09-21
5242723 Formed thermal insulator and process for preparation of same Hirofumi Kyutoku, Kimio Kitano, Kengo Hamada, Takahiko YOSHIKAWA 1993-09-07
5194515 Amphoteric polyelectrolite, method for production thereof, and organic sludge dehydrater Kazutomo Takahashi, Kazuo Kodama, Seiichi Suzuki, Takashi Tazaki, Yutaka Morimoto +1 more 1993-03-16
5183637 Wear resistant copper alloys Tadashi Tanaka, Masaaki Sakamoto, Tohru Kato 1993-02-02
5162100 Aluminum-based bearing alloy with excellent fatigue resistance and anti-seizure property Tadashi Tanaka, Masaaki Sakamoto, Yoshiaki Sato, Tohru Kato 1992-11-10
5143167 Four-wheel-drive motor vehicle of transversely-disposed engine type Naomune Moriyama, Takahito Yokouchi, Reiji Kikuchi, Hideaki Akaboshi, Ayumu Doi +1 more 1992-09-01
5128213 Sliding material of single substance and composite sliding material Tadashi Tanaka, Masaaki Sakamoto, Yoshiaki Sato 1992-07-07
5078229 Four-wheel-drive motor vehicle of transversely-disposed engine type Reiji Kikuchi, Naomune Moriyama, Takahito Yokouchi 1992-01-07
5074458 Method of producing bimetal for use as material for plain bearing Tadashi Tanaka, Masaaki Sakamoto, Hideyuki Kidokoro 1991-12-24
5064017 Four-wheel drive motor vehicle of transversely-disposed engine type Reiji Kikuchi, Naomune Moriyama, Takahito Yokouchi 1991-11-12
5041339 Multilayered sliding material of lead bronze containing graphite and method of manufacturing the same Sanae Mori, Masaaki Sakamoto, Kenji Sakai 1991-08-20
5036728 Engine control system for vehicle with automatic transmission Satoru Kawasoe, Mitsutoshi Abe 1991-08-06
4966980 Process for producing aziridines Teruo Kamei, Yuuji Shimasaki, Hideaki Tsuneki, Yutaka Morimoto, Michio Ueshima 1990-10-30