Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8559166 | Solid electrolytic capacitor | Keiko Matsuoka, Shoji Umeda, Koji Tezuka | 2013-10-15 |
| 8081421 | Solid electrolytic capacitor | Keiko Matsuoka, Shoji Umeda, Koji Tezuka | 2011-12-20 |
| 7283352 | Solid electrolytic capacitor and method for manufacturing the same | Keiko Matsuoka, Kazuhiro Kato, Kunio Shibata | 2007-10-16 |