Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6413677 | Lithium secondary battery electrolyte and lithium secondary battery using the same | Toshikazu Hamamoto, Koji Abe, Tsutomu Takai, Yasuo Matsumori, Akira Ueki | 2002-07-02 |