Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6355372 | Non-aqueous electrolyte secondary cell | Takayuki Yamahira, Ayaki Watanabe, Koji Kihara | 2002-03-12 |
| 5766793 | Safety device for use in secondary battery | Toshiharu Hayashi | 1998-06-16 |