Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888255 | Non-aqueous electrochemical cell | Kazumi Yoshimitsu, deceased, Shintaro Sekido, Kozo Kajita, Toshikatsu Manabe | 1989-12-19 |
| 4842965 | Non aqueous electrochemical battery with explosion proof arrangement and a method of the production thereof | Hisashi Urushiwara, Tugiyasu Iwamaru, Osamu Watanabe, Kenichi Sawada, Kiyoshi Sato +4 more | 1989-06-27 |