Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4767976 | Control system for PWM inverter | Akiteru Ueda, Motonobu Hattori, Satoshi Ibori, Hideyuki Shimonabe, Kenji Nandoh | 1988-08-30 |
| 4688162 | Rectifier control apparatus with improved power factor | Keijiro Sakai, Toshio Suzuki, Akiteru Ueda, Kenji Nandoh, Ikuo Okajima | 1987-08-18 |
| 4599549 | Method and apparatus for controlling PWM inverters | Keijiro Sakai, Akiteru Ueda, Akira Ishibashi, Ikuo Okajima | 1986-07-08 |
| 4562524 | Control apparatus for PWM inverter | Keijiro Sakai, Motonobu Hattori, Yuichiro Nagato | 1985-12-31 |