Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6399241 | Nonaqueous electrolyte battery | Tomitaro Hara, Tsuyonobu Hatazawa | 2002-06-04 |
| 6358644 | Non-aqueous electolyte cell | Keiichi Shibata, Kyoko Obata | 2002-03-19 |
| 6316140 | Nonaqueous-electrolyte secondary battery with a case having heat-welded portions | Tsuyonobu Hatazawa, Tomitara Hara | 2001-11-13 |