Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11264806 | Operation voltage control circuit device for solar cells connected in series or other power supplies | Toshihisa Shimizu | 2022-03-01 |
| 11107936 | Output voltage control circuit device for plurality of power supply cells connected in series | Kazuki OBATA, Toshihisa Shimizu | 2021-08-31 |
| 10483763 | Photovoltaic device and operating point control circuit device for photovoltaic cells or other power supply elements connected in series | Toshihisa Shimizu | 2019-11-19 |
| 10326271 | Solar power generation system | Toshihisa Shimizu | 2019-06-18 |
| 9935466 | Electric power generation operation point control circuit device | Toshihisa Shimizu | 2018-04-03 |
| 9602049 | Operating point control circuit device for series-connected photovoltaic cells or other electric sources | Toshihisa Shimizu | 2017-03-21 |