Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7649341 | Storage battery unit | Keizo Yamada, Yoshiaki Machiyama, Kouji Ohtsu | 2010-01-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7649341 | Storage battery unit | Keizo Yamada, Yoshiaki Machiyama, Kouji Ohtsu | 2010-01-19 |