Issued Patents All Time
Showing 51–63 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5400236 | Inventor-controlled power unit | Masashi Nakamura | 1995-03-21 |
| 5309345 | Invertor device | Masashi Nakamura | 1994-05-03 |
| 5282124 | Power unit having overcurrent/undervoltage-responsive protective function | Masashi Nakamura | 1994-01-25 |
| 5258700 | Generator unit having function of automatically adapting itself to parallel operation | Masashi Nakamura | 1993-11-02 |
| 5239253 | Portable engine generator | Masashi Nakamura | 1993-08-24 |
| 5229929 | Output peak current correction for PWM invertors | Masashi Nakamura | 1993-07-20 |
| 5172298 | Electromagnetic actuator | Yoh-ichi Kaneko, Toshikazu Nakamura | 1992-12-15 |
| 5170065 | Engine speed control apparatus | Kouichi Asai | 1992-12-08 |
| 5166870 | Pulse width-modulation control device for invertor devices | Masashi Nakamura | 1992-11-24 |
| 4918592 | Power regulating system for portable engine generator | — | 1990-04-17 |
| 4751629 | Output power regulating system for a portable engine powered electric generator | Takashi Kurata | 1988-06-14 |
| 4663582 | Self-excited generator | Shigeru Fujii | 1987-05-05 |
| 4535281 | Automatic voltage regulating system for electric generator | Shigeru Fujii | 1985-08-13 |