Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6139991 | Electrolyte solution for lithium secondary battery and lithium secondary battery using the same | Toshikazu Hamamoto, Atsuo Hitaka, Koji Abe, Tsutomu Takai | 2000-10-31 |
| 6033809 | Lithium secondary battery and electrolyte thereof | Toshikazu Hamamoto, Atsuo Hitaka, Koji Abe | 2000-03-07 |