Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345190 | Chopper control system | Michimasa Horiuchi, Masahiko Ibamoto | 1982-08-17 |
| 4284934 | Motor control apparatus with an improved thyristor chopper circuit | Hiroshi Narita, Michimasa Horiuchi, Masahiko Ibamoto | 1981-08-18 |