Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7989100 | Sealed prismatic battery | Yoshimi Matsumoto, Osamu Watanabe | 2011-08-02 |
| 7754373 | Sealed prismatic battery | Yoshihiko Aizawa | 2010-07-13 |
| 7732090 | Sealed rectangular battery | — | 2010-06-08 |
| 7666547 | Sealed prismatic battery | Kazuaki Urano, Osamu Watanabe | 2010-02-23 |
| 7553581 | Sealed prismatic battery | Naoto Sugimune, Toshiya Takaishi, Shota Aoki | 2009-06-30 |
| 7524578 | Battery comprising a flange formed at a peripheral edge and a protection circuit attached to the flange | Osamu Watanabe, Masatoshi Tanaka | 2009-04-28 |
| 7261971 | Battery used for small electric devices | Hayato Higuchi, Naoto Sugimune, Tohsiya Takaishi | 2007-08-28 |
| D483325 | Battery | Yoshihisa Fujihara, Naoto Sugimune | 2003-12-09 |
| D481994 | Battery | Yoshihisa Fujihara, Naoto Sugimune | 2003-11-11 |
| D479192 | Battery | Yoshihisa Fujihara, Naoto Sugimune | 2003-09-02 |
| D479193 | Battery | Yoshihisa Fujihara, Naoto Sugimune | 2003-09-02 |
| 5017442 | Coiled lithium battery | Osamu Watanabe, Osamu Kajii, Toshiyuki Edamoto, Tomio Kitamura, Kaoru Hisatomi +1 more | 1991-05-21 |
| 4971867 | Cylindrical organic electrolyte battery with a PTC device | Osamu Watanabe, Osamu Kajii, Kaoru Hisatomi | 1990-11-20 |