Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877508 | Highly durable cathode of low hydrogen overvoltage and method for manufacturing the same | Eiji Endoh | 1989-10-31 |
| 4862328 | Electric double layer capacitor | Yasuhiro Sanada, Shinichi Ohashi, Yoshikatsu Kimura | 1989-08-29 |
| 4858078 | Solid electrolytic capacitor | Eiji Endoh, Satoshi Takemiya | 1989-08-15 |
| 4831499 | Electrolytic capacitor | Yoshiki Hamatani, Masaru Yoshitake, Hidemi Yamada | 1989-05-16 |
| 4809084 | Apparatus for processing video signal | Kunio Sekimoto | 1989-02-28 |
| 4806885 | Magnet-electro-optic effect light modulator | — | 1989-02-21 |