Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6634649 | Gasket, method of molding same, and cylindrical alkaline-manganese dioxide cell using same | Norishige Yamaguchi, Hiroyuki Morita, Kazuhiro Hashimoto, Akihiro Sugawara | 2003-10-21 |