EY

Eizi Yokoyama

KK Kureha Kagaku Kogyo: 1 patents #332 of 607Top 55%
Rohm Co.: 1 patents #1,438 of 2,292Top 65%
RC Rohn Co.: 1 patents #1 of 19Top 6%
Overall (All Time): #1,613,164 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6663400 Wiring board having connector and method of manufacturing the same 2003-12-16
6656627 Battery pack Hitoshi Kobayashi, Kenjiro Yamasaki 2003-12-02
4772334 Process for producing highly pure rhamnose from gum arabic Masayoshi Hatanaka, Masatoshi Sano, Satoru Kumazawa, Tsutomu Takagi 1988-09-20