Issued Patents 2004
Showing 1–3 of 3 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 |
| 6827567 | Powder compression molding method and apparatus and dry cell | Minoru Kouda, Shigeharu Hattori, Hiroshi Takebayashi, Toshio Sanukiya | 2004-12-07 |
| 6688201 | Thin sheet punching device | Tensaburo Dokyu, Mikio Majima, Takanori Kuse, Akio Shizuno | 2004-02-10 |