Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988958 | Amplitude-controlled trapezoidal wave generating circuit | Tatsuo Maeoka, Masafumi Nakamura | 1991-01-29 |
| 4947312 | Non-resonance type AC power source apparatus | Tatsuo Maeoka, Masafumi Nakamura | 1990-08-07 |