Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5686203 | Non-aqueous secondary battery | Shoichiro Yasunami, Mitsutoshi Tanaka | 1997-11-11 |
| 5618640 | Nonaqueous secondary battery | Masayuki Mishima, Yukio Miyaki, Tadahiko Kubota, Tsutomu Miyasaka | 1997-04-08 |