Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5019770 | Switching power source device having energy recovery | Kosuke Harada, Hiroshi Sakamoto | 1991-05-28 |
| 4786854 | Alternating current voltage regulator using a feedback loop with step filtering | Kosuke Harada, Cheng Chen | 1988-11-22 |
| 4642549 | Ferroresonant constant AC voltage regulator | Kosuke Harada, Katsuaki Murata | 1987-02-10 |
| 4626983 | Power conversion device for solar cell | Kosuke Harada, Katsuaki Murata | 1986-12-02 |
| 4556802 | Uninterruptible ac power supply | Kosuke Harada, Katsuaki Murata | 1985-12-03 |