Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6023178 | Pulse width control IC circuit and switching power supply unit | Masaki Shioya, Hideaki Matsumura, Iwao Nakanishi, Masuo Hanawaka | 2000-02-08 |
| 5862044 | Switching power supply unit | Masaki Shioya, Hideaki Matsumura | 1999-01-19 |