Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889536 | Roll type solid electrolyte capacitor | Kazumi Naitoh, Yoshiaki Arakawa, Takashi Ikezaki, Shoji Yabe, Yuichi Hamaguchi +1 more | 1989-12-26 |
| 4885115 | Liquid electrolyte for use in electrolytic capacitor | Fumihiko Shinozaki | 1989-12-05 |
| 4830785 | Electrolyte for electrolytic capacitor | Fumihiko Shinozaki, Tatsunori Tsuji | 1989-05-16 |
| 4810400 | Electrolyte for electrolytic capacitor | Fumihiko Shinozaki | 1989-03-07 |