Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7893667 | PWM power supply apparatus having a controlled duty ratio without causing overall system oscillation | Atsushi Kitagawa | 2011-02-22 |
| 7679351 | Power supply apparatus | Kunihiro Komiya | 2010-03-16 |