Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5194127 | Method for etching an aluminum foil for an electrolytic capacitor | Eiji Endoh | 1993-03-16 |
| 5143587 | Method for etching an aluminum foil for an electrolytic capacitor | Eiji Endoh | 1992-09-01 |