Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12235102 | Measuring device and measuring system | Sadaharu Yoneda | 2025-02-25 |
| 9544024 | Wireless power receiving device and wireless power transmission device | Kazutaka Tamaki, Masahide Ohnishi | 2017-01-10 |
| 8604797 | Method for determining cell number, cell number determination device, power supply device and program | Masahiko Hirokawa, Takumi Sakamoto, Hiroshi Nakazawa, Noriyuki Hirao | 2013-12-10 |
| 8461807 | Battery protection circuit, method for protecting battery, power supply device and program | Masahiko Hirokawa, Takumi Sakamoto, Hiroshi Nakazawa, Noriyuki Hirao | 2013-06-11 |
| 8369056 | Power supply control device, method for controlling power supply, program and power supply device | Masahiko Hirokawa, Takumi Sakamoto, Hiroshi Nakazawa, Noriyuki Hirao | 2013-02-05 |
| 7579899 | Circuit and method for temperature detection | Takeo Gokita | 2009-08-25 |
| 7279941 | Voltage-frequency conversion apparatus and method of changing reference voltage thereof | Yoshiaki Yonezawa | 2007-10-09 |
| 7262640 | Voltage-frequency conversion apparatus | Yoshiaki Yonezawa | 2007-08-28 |