Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830845 | Cylindrical battery and method and device for manufacturing thereof | Yasuhiko Shoji, Seiji Wada, Shigeto Noya, Tadahiro Sawada, Takayuki Aoi +2 more | 2004-12-14 |
| 6692542 | Apparatus for manufacturing spiral electrode assembly | Akihiro Kashiyama, Takayuki Aoi, Masaaki Kaneda | 2004-02-17 |