IY

Isao Yamaguchi

TC Tanabe Seiyaku Co.: 7 patents #34 of 389Top 9%
NJ National Aerospace Laboratory Of Japan: 4 patents #1 of 51Top 2%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
NK Nippon Kayaku: 3 patents #255 of 1,103Top 25%
FI Fujifilm Business Innovation: 2 patents #2,833 of 5,238Top 55%
CO Combi: 2 patents #71 of 161Top 45%
NE Nec: 2 patents #5,510 of 14,502Top 40%
JA Japan Aerospace Exploration Agency: 1 patents #160 of 546Top 30%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
CK Calsonic Kansei: 1 patents #307 of 675Top 50%
HC Heiwa Seiki Kogyo Co.: 1 patents #4 of 4Top 100%
FC Furukawa Electric Co.: 1 patents #1,242 of 2,370Top 55%
FC Fujifilm Wako Pure Chemical: 1 patents #22 of 88Top 25%
UL Usui Kokusai Sangyo Kaisha Limited: 1 patents #84 of 145Top 60%
Canon: 1 patents #14,899 of 19,416Top 80%
IL Isuzu Motors Limited: 1 patents #414 of 908Top 50%
Overall (All Time): #97,928 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 26–35 of 35 patents

Patent #TitleCo-InventorsDate
4853404 Phenoxyacetic acid derivatives composition and use Norio Takamura, Kuniyuki Oda, Shinichi Kodato, Koji Yano 1989-08-01
4822789 Method of producing renal function-improving effect and diuretic effect on warm-blooded animal Yoshiaki Akimoto, Taku Nagao 1989-04-18
4804672 2-oxo-imidazolidine derivatives as agents for treatment of kidney diseases Shinsuke Nishiyama, Masami Kubo 1989-02-14
4671085 Vehicle gear shift lever locking apparatus Osamu Tada 1987-06-09
4561770 Magnification changing device for copying machine Yusuke Sasamori, Hideo Takaoka 1985-12-31
4425023 Beam spot scanning device Kazuya Matsumoto, Takao Tsuji, Hideaki Sato 1984-01-10
4330196 Electrophotographic copying apparatus 1982-05-18
4238848 Electronic timepiece Heiji Hashizume, Akira Nakazawa, Hirosige Sugihara 1980-12-09
4228183 Novel phenethylamine derivatives and processes for preparing same Tasaburo Kiguchi, Kimiaki Hayashi 1980-10-14
4189226 Electrophotographic apparatus for developing an electrostatic latent image on a slide film Noboru Katakabe, Masaru Onishi 1980-02-19