Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6466462 | DC/DC converter having a control circuit to reduce losses at light loads | Tomohiro Nishiyama, Yoshinao Naito, Koji Takada | 2002-10-15 |
| 6023178 | Pulse width control IC circuit and switching power supply unit | Masaki Shioya, Hideaki Matsumura, Takumi Ooe, Iwao Nakanishi | 2000-02-08 |
| 5497311 | Switching power source of the voltage resonance type | — | 1996-03-05 |
| 5065301 | Switching power supply | Masaki Shioya | 1991-11-12 |
| 4832487 | Test system for optical disks | Kenta Mikuriya, Akira Ohya, Hideo Hirukawa, Shoji Uehara, Kenichi Yamakawa | 1989-05-23 |
| 4542452 | Programmable controller | Yoshio Fukai, Masato Yamamoto | 1985-09-17 |