Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11264806 | Operation voltage control circuit device for solar cells connected in series or other power supplies | Shinichi Urabe | 2022-03-01 |
| 11107936 | Output voltage control circuit device for plurality of power supply cells connected in series | Shinichi Urabe, Kazuki OBATA | 2021-08-31 |
| 10483763 | Photovoltaic device and operating point control circuit device for photovoltaic cells or other power supply elements connected in series | Shinichi Urabe | 2019-11-19 |
| 10326271 | Solar power generation system | Shinichi Urabe | 2019-06-18 |
| 9935466 | Electric power generation operation point control circuit device | Shinichi Urabe | 2018-04-03 |
| 9672965 | Reactor | Takahiro TERA, Hiroshi Taki | 2017-06-06 |
| 9602049 | Operating point control circuit device for series-connected photovoltaic cells or other electric sources | Shinichi Urabe | 2017-03-21 |
| 8138744 | Combined type transformer and buck-boost circuit using the same | Masao Nagano, Mitsuaki Hirakawa | 2012-03-20 |
| 7808355 | Combined type transformer and buck-boost circuit using the same | Masao Nagano, Mitsuaki Hirakawa | 2010-10-05 |
| 5946606 | Internal wrap test circuit in radio equipment and test method thereof | — | 1999-08-31 |
| 5572418 | Quasi-resonant PWM inverter | Gunji Kimura, Akio Toba, Shigeru Sano | 1996-11-05 |
| 5306949 | Transistor module having external lead terminal with transient voltage suppression | Toshifusa Yamada, Shuji Miyashita | 1994-04-26 |
| 5099145 | System disconnection detection circuit for a distributed location power source | Hiromasa Higasa, Fumihiko Ishikawa, Shigenori Matsumura, Takeshi Takemura | 1992-03-24 |