Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9692257 | Control device, conversion device, control method, and electricity distribution system | Toshiya Iwasaki, Mamoru Kubo, Yasuo Okuda, Yasuhiro Oue | 2017-06-27 |
| 9647493 | Control device and power distribution system | Yasuo Okuda, Mamoru Kubo | 2017-05-09 |
| 9024585 | Battery parallel-operation circuit and battery system | Takeshi Nakashima, Takehito Ike, Chie Sugigaki | 2015-05-05 |
| 8587251 | Switching circuit, control apparatus, and power generation system | Takeshi Nakashima, Takayoshi Abe | 2013-11-19 |
| 8527110 | Charge/discharge control device and power generation system | Takeshi Nakashima, Souichi Sakai | 2013-09-03 |
| 7745956 | Grid interconnection device, grid interconnection system and transfer trip system | Kazuo Ito, Wataru Horio, Masahiro Makino, Haruhiko Tatsumi, Takeo Ishida +1 more | 2010-06-29 |
| 7236959 | Method for collectively receiving at high voltage and distributing at low voltage, and collective housing using same | Hirosato Yagi, Takeo Ishida | 2007-06-26 |
| 6737761 | Power load control system | Takeo Ishida, Hirosato Yagi | 2004-05-18 |
| 6717982 | Data communication apparatus | Takeo Ishida, Yasuhiro Yagi | 2004-04-06 |
| 6291764 | Photovoltaic power generation device | Takeo Ishida, Hitoshi Kishi | 2001-09-18 |
| 6252785 | Device for operating inverter and power system | Kenji Uchihashi, Takeo Ishida | 2001-06-26 |
| 6175512 | Device for operating inverter and power system | Kenji Uchihashi, Takeo Ishida | 2001-01-16 |
| 5951785 | Photo-voltaic apparatus | Kenji Uchihashi, Takeo Ishida, Hitoshi Kishi | 1999-09-14 |