Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5834133 | Laser-sealed battery | Satoshi Narukawa, Syouzaburou Saji, Tooru Amazutsumi, Yasuhiro Yamauchi, Seiji Morita +1 more | 1998-11-10 |
| 5746780 | Method of manufacturing a battery containing a non-circular spiral electrode unit | Satoshi Narukawa, Toru Amazutsumi, Hideki Fukuda | 1998-05-05 |
| 5556722 | Tightly sealed prismatic battery | Satoshi Narukawa, Toru Amazutsumi, Yasuhiro Yamauchi | 1996-09-17 |
| 5443925 | Nonaqueous electrolyte battery | Toyoji Machida, Mitsunori Hara, Kazuro Moriwaki, Keiichi Tsujioku, Tooru Amazutsumi +2 more | 1995-08-22 |