Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7588860 | Lithium primary battery | Daisuke Sumimoto, Masahiko Yoshida, Toshihiko Ikehata | 2009-09-15 |
| 6696198 | Flat battery | Susumu Yamanaka, Takao Uyama, Toshihiko Ikehata, Tetsuya Takeuchi | 2004-02-24 |
| 6451478 | Coin-shaped battery and method for producing the same | Susumu Yamanaka, Toshihiko Ikehata, Kaoru Murakami, Masaaki Kaneda, Tetsuya Takeuchi | 2002-09-17 |
| D335120 | Battery for an IC card | Seiichi Mizutani, Fumio Daio | 1993-04-27 |
| D334559 | Battery for an IC card | Seiichi Mizuani, Fumio Daio | 1993-04-06 |
| 4387143 | Silver oxide primary cell | Tomohiko Arita, Kaoru Murakami, Hiroshi Kumano | 1983-06-07 |
| 4286029 | Divalent silver oxide for use in primary cell and manufacturing method thereof | Kaoru Murakami, Tomohiko Arita | 1981-08-25 |
| 4231889 | Divalent silver oxide for use in primary cell and manufacturing method thereof | Kaoru Murakami, Tomohiko Arita, Hiroshi Kumano | 1980-11-04 |