Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D357897 | Battery with terminal | Seiichi Mizutani | 1995-05-02 |
| D335120 | Battery for an IC card | Mitsugu Okahisa, Seiichi Mizutani | 1993-04-27 |
| 5202199 | Battery marked with irradiated trace dots | Seiichi Mitzutani, Kazumitsu Jibiki, Koji Arai, Masao Nakamura, Kunihide Miura | 1993-04-13 |
| D334559 | Battery for an IC card | Mitsugu Okahisa, Seiichi Mizuani | 1993-04-06 |
| 5156930 | Battery equipped with opening-sealing device | Masaki Kojima | 1992-10-20 |
| 4965148 | Packed batteries and method of making the same | Yukimasa Niwa, Kenji Yoshida | 1990-10-23 |