Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8470057 | Method for producing alkaline primary battery | Yasuhiko Syoji | 2013-06-25 |
| 8039146 | Electrochemical device comprising alkaline electroylte | Masatoshi Hano | 2011-10-18 |
| 7544444 | Alkaline dry battery and method for evaluating separator for use in alkaline dry battery | Yasuhiko Shoji, Seiji Wada | 2009-06-09 |
| 7405023 | Alkaline dry battery | Takayuki Umebayashi, Yasuhiko Shoji | 2008-07-29 |
| 7326496 | Alkali dry cell | Takayuki Umebayashi | 2008-02-05 |
| 4348201 | Tanning process and tanning compositions | Saburo Hayashi, Syohiti Okada, Kazuyoshi Okamoto, Mochifumi Mizutani, Teizo Isono +2 more | 1982-09-07 |