Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12320856 | Chargeable battery state detection apparatus and chargeable battery state detection method | Etsuzo Sato, Yuichi Watanabe, Kazuyoshi Sato | 2025-06-03 |
| 11163010 | Secondary battery deterioration estimation device and secondary battery deterioration estimation method | Taiji Mitsuyama | 2021-11-02 |
| 11143710 | Device for estimating degradation of secondary cell, and method for estimating degradation of secondary cell | Taiji Mitsuyama, Etsuzo Sato, Naotaka Uchino, Hirokazu NARUI, Akira Oono +1 more | 2021-10-12 |
| 10928458 | Secondary battery state detection device and secondary battery state detection method | Atsuhito Higuchi | 2021-02-23 |
| 10656210 | Secondary battery state detection device and secondary battery state detection method | Naoya Takashima | 2020-05-19 |
| 10466302 | Secondary battery state detecting device and secondary battery state detecting method | Koichi Yokoyama, Naoya Takashima, Taiji Mitsuyama, Antal Kovats, Tamas MIHALFFY +1 more | 2019-11-05 |
| 10436847 | Secondary battery state detection device and secondary battery state detection method | Naoya Takashima, Taiji Mitsuyama | 2019-10-08 |
| 10393814 | Secondary battery state detection device and secondary battery state detection method | Naoya Takashima, Koichi Yokoyama | 2019-08-27 |
| 10396407 | Secondary battery internal temperature estimation device and secondary battery internal temperature estimation method | Taiji Mitsuyama, Naoya Takashima | 2019-08-27 |
| 10393820 | Secondary battery state detecting device and secondary battery state detecting method | Taiji Mitsuyama, Koichi Yokoyama, Naoya Takashima, Antal Kovats, Tamas MIHALFFY +1 more | 2019-08-27 |
| 10295605 | State detecting method and state detecting device of secondary battery | Naoya Takashima, Koichi Yokoyama, Shinichi Nomoto | 2019-05-21 |
| 9153988 | Full charge sensing apparatus and full charge sensing method | Taiji Mitsuyama, Shinichi Nomoto, Mamichi Tsuyuki, Etsuzo Sato, Tamas MIHALFFY +1 more | 2015-10-06 |
| 9091739 | Method and apparatus for determining deterioration of secondary battery, and power supply system therewith | Koji Fujimura | 2015-07-28 |
| 8903667 | State-of-charge estimation method, state-of-charge estimation device, and secondary-battery power system | Etsuzo Sato | 2014-12-02 |
| 8129996 | Method and apparatus for determining deterioration of secondary battery, and power supply system therewith | Yuichi Watanabe, Fumikazu Iwahana, Atsushi Kimura, Toshiyuki Sato | 2012-03-06 |
| 8078416 | Remaining electrical charge/remaining capacity estimating method, battery state sensor and battery power source system | Yuichi Watanabe, Toshiyuki Sato, Atsushi Kimura, Fumikazu Iwahana | 2011-12-13 |
| 7899631 | Method and device for estimating battery residual capacity, and battery power supply system | — | 2011-03-01 |
| 7788052 | Method and device for determining state of health of the battery, and battery power supply system | Fumikazu Iwahana, Atsushi Kimura | 2010-08-31 |
| 7764049 | Method and device for determining battery discharge capability, and power supply system | Koji Fujimura, Takezo Sugimura | 2010-07-27 |
| 7593823 | Method and device for determining state of battery, and battery power supply system therewith | Keiko Chikazawa, Keisuke Morii | 2009-09-22 |
| 7525284 | Charging rate estimating method, charging rate estimating unit and battery system | Yuichi Watanabe, Takezo Sugimura, 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 | Yuichi Watanabe, Takezo Sugimura, Toshiyuki Satoh, Atsushi Kimura, Fumikazu Iwahana +2 more | 2008-04-22 |
| 5549992 | Preparing method for a nickel hydroxide for a nickel electrode, a manufacturing method for the nickel electrode, and an alkaline secondary battery incorporating the nickel electrode therein | Harauo Sawa | 1996-08-27 |