Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7843681 | Solid electrolytic capacitor element and solid electorlytic capacitor | Hidetoshi Ishizuka, Toshiyuki Mizutani, Fumihiro Takahashi | 2010-11-30 |
| 7688571 | Solid electrolytic capacitor | Hidetoshi Ishizuka, Toshiyuki Mizutani, Minoru Funahashi | 2010-03-30 |