KS

Kenji Sakai

DC Daido Metal Company: 11 patents #27 of 280Top 10%
TC Tokyo Seimitsu Co.: 10 patents #6 of 257Top 3%
FI Fujimi Incorporated: 10 patents #16 of 216Top 8%
IC Ibiden Co.: 9 patents #102 of 730Top 15%
Mitsubishi Electric: 8 patents #3,714 of 25,717Top 15%
TE Toyo Engineering: 7 patents #7 of 295Top 3%
KC Kansai Paint Co.: 6 patents #102 of 822Top 15%
TT Toshiba Lighting & Technology: 5 patents #104 of 486Top 25%
Rohm Co.: 4 patents #677 of 2,292Top 30%
SO Sony: 2 patents #12,963 of 25,231Top 55%
S( Sae Magnetics (H.K.): 2 patents #193 of 585Top 35%
Sharp Kabushiki Kaisha: 2 patents #5,184 of 10,731Top 50%
Tdk: 2 patents #1,902 of 3,796Top 55%
PL Pilot Ink Company, Limited: 2 patents #40 of 110Top 40%
HC Hitachi Koki Haramachi Co.: 2 patents #3 of 9Top 35%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
FM Fujikoshi Machinery: 1 patents #51 of 85Top 60%
SC Shin-Etsu Handotai Co.: 1 patents #385 of 679Top 60%
TU Tsinghua University: 1 patents #1,221 of 2,815Top 45%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
HY Hymo: 1 patents #7 of 30Top 25%
TI Toray Industries: 1 patents #2,000 of 3,690Top 55%
MC Mitsubishi Gas Chemical Company: 1 patents #1,048 of 1,727Top 65%
MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
KS Kobe Steel: 1 patents #857 of 2,031Top 45%
KC Kyodo Yushi Co.: 1 patents #63 of 191Top 35%
📍 Yokohama, JP: #109 of 480 inventorsTop 25%
Overall (All Time): #18,739 of 4,157,543Top 1%
88
Patents All Time

Issued Patents All Time

Showing 76–88 of 88 patents

Patent #TitleCo-InventorsDate
5346668 Copper based alloy for wear resistant sliding layer and sliding member Tadashi Tanaka, Masaaki Sakamoto, Koichi Yamamoto 1994-09-13
5334460 CU-PB system alloy composite bearing having overlay Tadashi Tanaka, Masaaki Sakamoto, Koichi Yamamoto 1994-08-02
5328772 Multilayer sliding material for high-speed engine and method of producing same Tadashi Tanaka, Masaaki Sakamoto, Motomu Wada, Koichi Yamamoto, Hideo Ishikawa +1 more 1994-07-12
5298052 High temperature bearing alloy and method of producing the same Tadashi Tanaka, Masaaki Sakamoto, Koichi Yamamoto 1994-03-29
5178712 Lamp device and method of bonding mirror reflector to lamp Tsutomu Watanabe 1993-01-12
D324055 Circular saw Shigeharu Ushiwata 1992-02-18
5041339 Multilayered sliding material of lead bronze containing graphite and method of manufacturing the same Sanae Mori, Masaaki Sakamoto, Koichi Yamamoto 1991-08-20
4959274 Multilayered iron-copper-lead alloy bearing material Sanae Mori, Masaaki Sakamoto, Koichi Yamamoto 1990-09-25
D306031 Mitre saw Shigeharu Ushiwata, Yoshio Matsumoto, Masayuki Sato 1990-02-13
4844642 Cap for writing equipment Takao Inaba, Tadao Iida, Masahisa Maki 1989-07-04
4815007 Apparatus for controlling a robot Kazuo Sugawara 1989-03-21
4587838 Automatic examination system for motor vehicles Takeshi Wakabayashi, Kakumasa Fukuzawa, Teruzo Hiraoka 1986-05-13
4533272 Writing instrument with movable closure 1985-08-06