Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7172833 | Alkaline dry cell | Makoto Urade, Shoichiro Tateishi, Shinichi Iwamoto, Minajuro Ushijima | 2007-02-06 |
| 7090944 | Alkaline dry cell | Makoto Urade, Shoichiro Tateishi, Shinichi Iwamoto, Minajuro Ushijima | 2006-08-15 |
| 5219685 | Alkaline manganese cell | Yasuyoshi Taniguchi, Tsugiyasu Iwamaru | 1993-06-15 |