Issued Patents 2019
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10491122 | Power supply system for controlling DC voltage between power lines | Shigeaki Goto, Shuji Tomura, Naoki Yanagizawa, Naoyoshi Takamatsu | 2019-11-26 |
| 10483853 | DC-DC converter | Ken TOSHIYUKI | 2019-11-19 |
| 10363831 | Electrical power system | Toshifumi Yamakawa | 2019-07-30 |
| 10250171 | Electric motor control apparatus and electric motor control method | Toshifumi Yamakawa, Naoyoshi Takamatsu | 2019-04-02 |
| 10232807 | Control apparatus for boost converter | Naoyoshi Takamatsu, Kosuke Hirano | 2019-03-19 |
| 10224857 | Motor controller | Toshifumi Yamakawa, Naoyoshi Takamatsu | 2019-03-05 |
| 10199155 | Variable magnetic coupling reactor having two integrated reactor elements, power supply system including the same, and method of use of composite magnetic component having two integrated reactor elements | Masanori Ishigaki, Shuji Tomura, Naoki Yanagizawa, Naoyoshi Takamatsu | 2019-02-05 |
| 10170988 | Power supply system | Masanori Ishigaki, Shuji Tomura, Naoki Yanagizawa | 2019-01-01 |