KY

Kazuo Yoshikawa

Fujitsu Limited: 13 patents #2,362 of 24,456Top 10%
KS Kobe Steel: 8 patents #44 of 2,031Top 3%
FC Fuji Photo Optical Co.: 7 patents #79 of 509Top 20%
KI Kobelco Research Institute: 3 patents #12 of 79Top 20%
AW Aichi Steel Works: 2 patents #23 of 107Top 25%
DE Denso: 2 patents #4,986 of 11,792Top 45%
FU Fujinon: 2 patents #115 of 339Top 35%
TL Toyota Central R&D Labs: 2 patents #528 of 1,657Top 35%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
IC Ishikawajima-Harima Heavy Industries Co.: 1 patents #251 of 611Top 45%
CH Chuo Hatsujo: 1 patents #58 of 122Top 50%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
AC Arisawa Mfg. Co.: 1 patents #49 of 105Top 50%
SK Showa Denko K.K.: 1 patents #940 of 1,736Top 55%
SC Stanley Electric Co.: 1 patents #550 of 1,072Top 55%
TC Tokai Carbon Co.: 1 patents #38 of 112Top 35%
FU Futaba: 1 patents #137 of 292Top 50%
HC Horikiri Spring Manufacturing Co.: 1 patents #4 of 15Top 30%
Overall (All Time): #73,124 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
5514909 Aluminum alloy electrode for semiconductor devices Seigo Yamamoto, Katsutoshi Takagi, Eiji Iwamura, Takashi Oonishi 1996-05-07
5500301 A1 alloy films and melting A1 alloy sputtering targets for depositing A1 alloy films Takashi Onishi, Seiji Nishi, Seigou Yamamoto 1996-03-19
5468305 Method of lowering permeability of difficult-to-work Co alloy Hiroyuki Uchida, Seiji Nishi 1995-11-21
5424124 Civil engineering and construction grade fibrous reinforcing material, method for production thereof, and civil engineering and construction material containing the reinforcing material Tadatoshi Kurozumi, Shoji Kashiwagi 1995-06-13
4961347 Probe for ultrasonic flaw detectors Takahiro Arakawa, Yoshimichi Atsuta 1990-10-09
4680430 Coordinate detecting apparatus Toru Asano, Hisashi Yamaguchi, Hideaki Takizawa, Shizuo Andoh 1987-07-14
4637594 Leaf spring construction Tsutomu Saito, Yoshimichi Hasegawa, Shigetsune Aoyama 1987-01-20
4567470 Touch sensing device Hisashi Yamaguchi, Toru Asano 1986-01-28
4556871 Touch sensing device Hisashi Yamaguchi, Toru Asano 1985-12-03
4512559 Leaf spring construction Shigetsune Aoyama, Yoshimichi Hasegawa, Junichi Higuchi 1985-04-23
4458244 Self shift type gas discharge panel driving system Hisashi Yamaguchi, Keizo Kurahashi 1984-07-03
4422722 Color separation optical system for color television camera Takeshi Higuchi, Hideo Buto 1983-12-27
4423356 Self-shift type gas discharge panel Sei Sato, Masayuki Wakitani, Kenichi Oki, Shoshin Miura, Hisashi Yamaguchi +2 more 1983-12-27
4370599 Self shift type gas discharge panel Tsutae Shinoda, Yoshinori Miyashita 1983-01-25
4249104 Self shift type gas discharge panel Tsutae Shinoda, Shizuo Andoh 1981-02-03
4190788 Gas discharge panel Shizuo Andoh 1980-02-26
4185229 Gas discharge panel Shizuo Andoh 1980-01-22