Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654114 | Nonaqueous secondary battery | Mitsutoshi Tanaka | 1997-08-05 |
| 5618640 | Nonaqueous secondary battery | Yoshio Idota, Masayuki Mishima, Yukio Miyaki, Tsutomu Miyasaka | 1997-04-08 |