Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8799636 | Electronic apparatus and method for changing an attachment state of a battery pack | Toshihiro Miyamoto | 2014-08-05 |
| 6608469 | Device and method for charging a secondary battery | Kazuhito Fukuoka, Nobuo Tanaka | 2003-08-19 |
| 6262494 | Battery unit and information processing system having battery unit mounted therein | Toshiaki Tsukuni, Mitsuo Saeki, Hidekiyo Ozawa | 2001-07-17 |
| 6051955 | Protection circuit and battery unit | Mitsuo Saeki, Hidekiyo Ozawa, Toshiaki Tsukuni | 2000-04-18 |
| 6020718 | Battery capacity predicting method, battery unit and apparatus using battery unit | Hidekiyo Ozawa, Nobuo Tanaka, Masami Itoyama | 2000-02-01 |
| 5627451 | Control method and control apparatus for secondary battery charging in constant current charging method | — | 1997-05-06 |
| 4637759 | Method for forming a moisture barrier in a soil containing soluble salts | Yutaka Owa, Yoshiro Tanaka, Takeshi Saito | 1987-01-20 |