Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703486 | Battery remaining capacity measuring device | Youichi Arai, Brendan O'Toole, Kenichi Shimoyama, Ryo Kumagai, Yoshihide Takada | 1997-12-30 |
| 5672973 | Apparatus for monitoring battery residual capacity in mulitple modes | Youichi Arai | 1997-09-30 |
| 5654630 | Contactless sensor driven by single power supply | Kenichi Shimoyama, Youichi Arai | 1997-08-05 |