Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7948137 | Core, rotor, motor and compressor | Shin Nakamasu, Yoshinari Asano, Toshinari Kondo, Keiji Aota | 2011-05-24 |
| 4989128 | Pulse width modulation control unit of inverter | Hiroyuki Yamai | 1991-01-29 |