Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6623885 | Power source element having connecting terminals | Shunji Watanabe, Nobuyoshi Takahashi, Hideharu Onodera | 2003-09-23 |
| 6625008 | Electrical double layer capacitor and portable electronic apparatus equipped with electrical double layer capacitor | Shunji Watanabe, Hideharu Onodera, Toyoo Harada, Yoshimi Kanno, Shinichi Takasugi +1 more | 2003-09-23 |
| 6586139 | Alkaline battery without mercury and electronic apparatus powered thereby | Shunji Watanabe, Hideo Sakamoto | 2003-07-01 |