Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6844105 | Plate shaped battery pack and portable radio terminal | Hiroichi Ishida | 2005-01-18 |
| 6805992 | Battery and portable device | Hiroichi Ishida | 2004-10-19 |
| 6703162 | Battery and process for examining battery | Hisashi Shiota, Hiroaki Urushibata, Shinji Nakadeguchi, Masaharu Moriyasu, Syoji Yoshioka +1 more | 2004-03-09 |
| 6630815 | Battery protective circuit with current-amount control circuit | Hiroichi Ishida | 2003-10-07 |
| 6531246 | Plate-shaped battery and battery apparatus | Hiroichi Ishida | 2003-03-11 |
| 6462515 | Cell protective circuit | Hiroichi Ishida | 2002-10-08 |