Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6316140 | Nonaqueous-electrolyte secondary battery with a case having heat-welded portions | Tsuyonobu Hatazawa, Kazuhito Hatsuta | 2001-11-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6316140 | Nonaqueous-electrolyte secondary battery with a case having heat-welded portions | Tsuyonobu Hatazawa, Kazuhito Hatsuta | 2001-11-13 |