Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6305365 | Ignition apparatus | Yoshimasa Yabu | 2001-10-23 |
| 5525951 | Choke coil | Shuji Sunano, Yusuke Ikeda, Tsunetsugu Imanishi | 1996-06-11 |
| 5146394 | Fly back converter switching power supply device | Takuya Ishii | 1992-09-08 |
| 4988958 | Amplitude-controlled trapezoidal wave generating circuit | Tosiaki Tsuruoka, Masafumi Nakamura | 1991-01-29 |
| 4947312 | Non-resonance type AC power source apparatus | Tosiaki Tsuruoka, Masafumi Nakamura | 1990-08-07 |