Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6623885 | Power source element having connecting terminals | Nobuyoshi Takahashi, Hideharu Onodera, Tsugio Sakai | 2003-09-23 |
| 6625008 | Electrical double layer capacitor and portable electronic apparatus equipped with electrical double layer capacitor | Hideharu Onodera, Tsugio Sakai, Toyoo Harada, Yoshimi Kanno, Shinichi Takasugi +1 more | 2003-09-23 |
| 6586139 | Alkaline battery without mercury and electronic apparatus powered thereby | Tsugio Sakai, Hideo Sakamoto | 2003-07-01 |
| 6509714 | Secondary battery with terminals and capacitor with terminals | Koji Tomitsuka, Kenji Ogata, Taisuke Takiguchi | 2003-01-21 |