Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7616003 | Method for determining deterioration of accumulator battery, method for measuring internal impedance of secondary battery, equipment for measuring internal impedance of secondary battery, equipment for determining deterioration of secondary battery, and power supply system | Toshiyuki Satoh, Atsushi Kimura, Fumikazu Iwahana, Tetsuya Kanou | 2009-11-10 |
| 7525284 | Charging rate estimating method, charging rate estimating unit and battery system | Noriyasu Iwane, Yuichi Watanabe, Takezo Sugimura, Toshiyuki Satoh, Atsushi Kimura +2 more | 2009-04-28 |
| 7362074 | Method for determining deterioration of accumulator battery, method for measuring internal impedance of secondary battery, equipment for measuring internal impedance of secondary battery, equipment for determining deterioration of secondary battery, and power supply system | Noriyasu Iwane, Yuichi Watanabe, Takezo Sugimura, Toshiyuki Satoh, Atsushi Kimura +2 more | 2008-04-22 |