Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10451683 | Secondary battery state detection device and secondary battery state detection method | Etsuzo Sato, Yuichi Watanabe | 2019-10-22 |
| 10389239 | Power conversion device with protection device and method of controlling the same | Kaoru Sugimoto, Ryosuke Tamura, Shusuke Kaya | 2019-08-20 |
| 9678164 | Battery internal state estimating apparatus and battery internal state estimating method | Taiji Mitsuyama, Etsuzo Sato, Antal Kovats | 2017-06-13 |
| 9304172 | Battery condition estimating method and power system | Etsuzo Sato | 2016-04-05 |
| 7764049 | Method and device for determining battery discharge capability, and power supply system | Noriyasu Iwane, Koji Fujimura | 2010-07-27 |
| 7525284 | Charging rate estimating method, charging rate estimating unit and battery system | Noriyasu Iwane, Yuichi Watanabe, Toshiyuki Satoh, Atsushi Kimura, Fumikazu Iwahana +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, Toshiyuki Satoh, Atsushi Kimura, Fumikazu Iwahana +2 more | 2008-04-22 |
| 6127741 | Vehicular use power feed apparatus | Yutaka Matsuda, Toshitaka Hara, Satoshi Kawai | 2000-10-03 |