Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6733544 | Method of producing electrical double layer capacitor and method of mounting electrical double layer capacitor on a circuit substrate | Shinichi Takasugi, Yoshimi Kanno, Shunji Watanabe, Yoshibumi Nakamura, Hideharu Onodera | 2004-05-11 |
| 6723469 | Alkaline battery without mercury and electronic apparatus powered thereby | Shunji Watanabe, Hideo Sakamoto | 2004-04-20 |
| 6713215 | Non-aqueous electrolyte rechargeable batteries | Shunji Watanabe, Toyoo Harada, Yoshimi Kanno, Shinichi Takasugi, Hideharu Onodera +1 more | 2004-03-30 |