Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5354628 | Hermetically sealed cell comprising liquid active material | Osamu Watanabe, Kazuo Ishida, Akira Kishida, Yasunori Okuzono | 1994-10-11 |
| 5135821 | Coin type cell with lead terminals | Tatsuya Takemura, Osamu Watanabe | 1992-08-04 |
| 5059498 | Inorganic nonaqueous electrolytic solution type cell | Hiroshi Sasama, Kazuo Ishida, Shintaro Sekido | 1991-10-22 |
| 5030525 | Inorganic nonaqueous electrolytic solution type cell | Hiroshi Sasama, Kazuo Ishida, Shintaro Sekido | 1991-07-09 |
| 5017442 | Coiled lithium battery | Osamu Watanabe, Osamu Kajii, Toshiyuki Edamoto, Tomio Kitamura, Hiroshi Yoshida +1 more | 1991-05-21 |
| 4971867 | Cylindrical organic electrolyte battery with a PTC device | Osamu Watanabe, Osamu Kajii, Yoshiki Somatomo | 1990-11-20 |