Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6380710 | Photovoltaic-charged secondary battery device | Haruo Watanabe, Ritsuko Inoue, Koichiro Hinokuma, Tomikazu Watanabe | 2002-04-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6380710 | Photovoltaic-charged secondary battery device | Haruo Watanabe, Ritsuko Inoue, Koichiro Hinokuma, Tomikazu Watanabe | 2002-04-30 |