Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8283068 | Alkaline dry battery | Seiji Wada, Michiko Fujiwara | 2012-10-09 |
| 8247108 | Alkaline primary battery comprising a sealing agent | Michiko Fujiwara, Seiji Wada | 2012-08-21 |
| 8241785 | Alkaline dry battery and battery pack | Michiko Fujiwara, Seiji Wada | 2012-08-14 |
| 8017266 | Battery having positive temperature coefficient element | Ichiro Matsuhisa, Susumu Kato | 2011-09-13 |
| 7910238 | Alkaline battery | Susumu Kato, Seiji Wada | 2011-03-22 |
| 7534526 | Alkaline battery | Yasuhiko Shoji, Ichiro Matsuhisa | 2009-05-19 |
| 7517611 | Alkaline dry battery | Ichiro Matsuhisa, Seiji Wada, Yasuhiko Syoji | 2009-04-14 |
| 7157182 | Battery | Seiji Wada, Susumu Kato, Kenji Yamamoto, Yuji Mototani, Ryohei Ashihara | 2007-01-02 |