Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6617074 | Lithium ion polymer secondary battery and gelatinous polymer electrolyte for sheet battery | Yusuke Watarai, Tadashi Kobayashi, Akihiro Higami, Sawako Takeuchi | 2003-09-09 |