Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6795323 | Three-level neutral point clamping pwn inverter and neutral point voltage controller | Yoshiyuki Tanaka, Eiji Watanabe | 2004-09-21 |
| 6751105 | Method for controlling pwm pulse | Eiji Watanabe, Takaaki Terada, Yoshiyuki Tanaka, Yuuichi Terazono | 2004-06-15 |