Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6364696 | Battery carrying portable electric equipment | — | 2002-04-02 |
| 5746780 | Method of manufacturing a battery containing a non-circular spiral electrode unit | Satoshi Narukawa, Hideki Fukuda, Hiyoshi Tamaki | 1998-05-05 |
| 5663013 | Battery with a spacer between the electrode group and the cover | Satoshi Narukawa, Hideki Fukuda, Yasuhiro Yamauchi | 1997-09-02 |
| 5556722 | Tightly sealed prismatic battery | Satoshi Narukawa, Hiyoshi Tamaki, Yasuhiro Yamauchi | 1996-09-17 |
| 5508122 | Battery with a spiral electrode unit | Satoshi Narukawa, Kazuro Moriwaki | 1996-04-16 |