Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8048560 | Alkaline battery | Jun Nunome, Fumio Kato | 2011-11-01 |
| 7897282 | AA alkaline battery | Yasuhiko Bito, Fumio Kato | 2011-03-01 |
| 7875390 | Alkaline battery and method for producing the same | Koshi Takamura | 2011-01-25 |