Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5963016 | Battery residual capacity measuring system and battery residual capacity measuring for electric vehicles | Yoichi Arai, Tsutomu Saigo, Ryo Kumagai | 1999-10-05 |
| 5872453 | Battery remaining capacity measuring apparatus | Tsutomo Saigo, Youichi Arai | 1999-02-16 |
| 5798934 | Battery remaining capacity measuring device | Tsutomu Saigo | 1998-08-25 |
| 5793211 | Battery remaining capacity measuring system for electric motor vehicles | — | 1998-08-11 |
| 5789923 | Battery remaining capacity measuring device | Tsutomu Saigo | 1998-08-04 |
| 5744963 | Battery residual capacity measuring apparatus and method for measuring open-circuit voltages as the battery starts and stops supplying power | Youichi Arai, Tsutomu Saigo, Yoshihide Takada | 1998-04-28 |
| 5734099 | Potential travel distance estimation system for electric automobiles | Tsutomu Saigo, Youichi Arai | 1998-03-31 |
| 5703486 | Battery remaining capacity measuring device | Youichi Arai, Brendan O'Toole, Tsutomu Saigo, Ryo Kumagai, Yoshihide Takada | 1997-12-30 |
| 5698983 | Method and apparatus for measuring and displaying remaining battery capacity as a two dimensional dot curve | Youichi Arai, Ryo Kumagai, Yoshihide Takada | 1997-12-16 |
| 5654630 | Contactless sensor driven by single power supply | Youichi Arai, Tsutomu Saigo | 1997-08-05 |