Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6456508 | Drive apparatus for vibrating-type compressor | Masao Namai | 2002-09-24 |
| 6171063 | Control circuit for vibrating compressors for protecting against excessive voltage and temperature | Masao Namai | 2001-01-09 |
| 5742492 | Method of driving vibrating compressors | Masao Namai | 1998-04-21 |
| 5658132 | Power supply for vibrating compressors | Kazuyuki Ogiwara | 1997-08-19 |
| 5656896 | Power supply for vibrating compressors | Kazuyuki Ogiwara | 1997-08-12 |
| 5237140 | a-c/d-c microwave oven | Makoto Gezima | 1993-08-17 |
| 4706470 | System for controlling compressor operation | Kazuhiko Nishi, Naoya Kawakami, Yoshiaki Fujisawa, Noriyoshi Yamada | 1987-11-17 |