Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6610437 | Closure assembly for sealed batteries | Seiichi Mizutani, Hideaki Yoshio, Kenjin Masumoto, Hideyuki Kobayashi | 2003-08-26 |
| 6322921 | Secondary battery and sealing plate assembly therefor | Yoshinori Iwaizono, Kenjin Masumoto | 2001-11-27 |
| 6322922 | Sealed battery and method for manufacturing same | Hideaki Yoshio, Seiichi Mizutani, Saburo Nakatsuka, Mamoru Iida | 2001-11-27 |
| 6284403 | Closure assembly for sealed batteries | Seiichi Mizutani, Hideaki Yoshio, Kenjin Masumoto, Hideyuki Kobayashi | 2001-09-04 |
| 6090322 | Method for producing sealing member for battery | Syunichi Tanoue, Fumio Daio | 2000-07-18 |