Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877508 | Highly durable cathode of low hydrogen overvoltage and method for manufacturing the same | Takeshi Morimoto | 1989-10-31 |
| 4858078 | Solid electrolytic capacitor | Takeshi Morimoto, Satoshi Takemiya | 1989-08-15 |