YK

Yukio Katoh

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
Overall (All Time): #1,272,509 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6387746 Method of fabricating semiconductor laser diode Hiroshi Wada, Keizo Takemasa 2002-05-14
6057021 Magnetic recording media and magnetic recording system using the same Akira Ishikawa, Yuzuru Hosoe, Yoshihiro Shiroishi, Masatoshi Takeshita, Yotsuo Yahisa +6 more 2000-05-02
5750230 Magnetic recording media and magnetic recording system using the same Akira Ishikawa, Yuzuru Hosoe, Yoshihiro Shiroishi, Masatoshi Takeshita, Yotsuo Yahisa +6 more 1998-05-12
4676350 Control device for clutch and transmission for motor vehicles Masahide Shinokawa, Noriyasu Furuichi, Takeshi Miyazawa, Takeo Ogano 1987-06-30