KS

Koichi Sakai

IK Imanishi Kinzoku Kogyo Kabushiki Kaisha: 10 patents #4 of 7Top 60%
TC Toko Co.: 8 patents #7 of 196Top 4%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
KA Kao: 2 patents #1,388 of 3,221Top 45%
NC Nippon Zeon Co.: 2 patents #188 of 609Top 35%
Nsk: 2 patents #645 of 1,559Top 45%
PT Princeton Technology: 2 patents #44 of 135Top 35%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
HC Hitachi Powdered Metals Co.: 1 patents #113 of 246Top 50%
TC Toyoda Gosei Co.: 1 patents #1,271 of 2,296Top 60%
JT Jtekt: 1 patents #1,102 of 1,969Top 60%
TK Toyoda Koki Kabushiki Kaisha: 1 patents #307 of 674Top 50%
U.S. Philips: 1 patents #4,133 of 8,851Top 50%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
📍 Suita, JP: #21 of 1,253 inventorsTop 2%
Overall (All Time): #86,903 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 1–25 of 38 patents

Patent #TitleCo-InventorsDate
9172080 Electrode production system Jun Shimoizumi 2015-10-27
9161405 Light emitting diode driving circuit and system 2015-10-13
8648548 Current generator 2014-02-11
8276100 Input control device Tetsuya Nagai, Hideo Kawai 2012-09-25
6554730 Auxiliary device for bicycle with traction roller type gear Ryoichi Otaki, Hisashi Machida, Atsushi Ozawa 2003-04-29
6238408 Balloon catheter Takashi Kawabata, Masaru Uchiyama 2001-05-29
5931759 Friction-roller speed changer Ryoichi Otaki, Hisashi Machida 1999-08-03
5704884 Machine tool with slide cover apparatus Satoru Uemura, Yukio Hoshino 1998-01-06
5678212 Electronic tuning circuit for an AM receiver Ken Kasahara, Hajime Yokoyama, Noboru Takada, Yukio Suzuki 1997-10-14
5439443 Balloon catheter Shin'ichi Miyata, Tetsuo Toyokawa, Hiroshi Hisaki 1995-08-08
5290623 Thermal transfer recording medium Shiro Kawahito 1994-03-01
D300774 Kerosene stove 1989-04-18
D300775 Kerosene stove 1989-04-18
D300456 Kerosene heater 1989-03-28
D300455 Kerosene heater 1989-03-28
4795933 Salient-pole rotary electric machine 1989-01-03
D298050 Kerosene stove 1988-10-11
4760310 Cathode-ray tubes and coating materials therefor Sadao Deyama, Toshiya Yamamoto, Shigemi Hirasawa, Tadao Kubo, Yoshifumi Tomita 1988-07-26
D294967 Kerosene stove 1988-03-29
D292122 Kerosene stove 1987-09-29
4645788 Chloroprene rubber composition Tadaoki Okumoto, Rikizo Nakata, Masayoshi Ichikawa, Masaaki Tsuchihashi 1987-02-24
D288358 Stove Hideo Nishikawa, Kenzo Okamoto 1987-02-17
D288232 Stove Kenzo Okamoto, Hideo Nishikawa, Fumihiko Kitada 1987-02-10
D286069 Stove Hideo Nishikawa, Kenzo Okamoto, Fumihiko Kitada 1986-10-07
4604547 Deflection system for a two electron beam cathode ray tube Tsunenari Saito, Akio Murata 1986-08-05