Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8040109 | Battery terminal inspection apparatus, inspection method, and cylindrical dry battery | Shigeyuki Kuniya, Tatsuya Yamazaki | 2011-10-18 |
| 7923146 | Nickel bright-plated battery | Tatsuya Yamazaki | 2011-04-12 |