Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5004656 | Flat type sealed battery with hermetic sealing structure | Kiyoshi Sato, Hirokazu Yoshikawa, Kenichi Yokoyama | 1991-04-02 |
| 4842965 | Non aqueous electrochemical battery with explosion proof arrangement and a method of the production thereof | Hisashi Urushiwara, Tugiyasu Iwamaru, Kenya Kazehara, Osamu Watanabe, Kenichi Sawada +4 more | 1989-06-27 |