Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821153 | Electrolyte for electrolytic capacitors and electrolytic capacitor using the electrolyte | Katsuji Shiono, Takaaki Kishi, Hideki Shimamoto, Hisao Nagara, Keiji Mori +1 more | 1989-04-11 |