Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6751105 | Method for controlling pwm pulse | Katsutoshi Yamanaka, Eiji Watanabe, Yoshiyuki Tanaka, Yuuichi Terazono | 2004-06-15 |
| 6226192 | Three-level neutral point clamping type inverter circuit | Katsutoshi Yamanaka, Kenji Yamada, Akira Kumagae | 2001-05-01 |