Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5017442 | Coiled lithium battery | Osamu Watanabe, Toshiyuki Edamoto, Tomio Kitamura, Kaoru Hisatomi, Hiroshi Yoshida +1 more | 1991-05-21 |
| 4971867 | Cylindrical organic electrolyte battery with a PTC device | Osamu Watanabe, Yoshiki Somatomo, Kaoru Hisatomi | 1990-11-20 |