Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4638643 | Control system for compressor motor used with air-conditioning unit | Hiroki Yoshikawa, Hiroaki Matsushima | 1987-01-27 |
| 4561829 | Rotary compressor with tapered valve ports for lubricating pump | Hiroshi Iwata, Masahiro Takebayashi, Yoshihisa Uneyama, Kazuo Sekigami, Shigetaro Tagawa +1 more | 1985-12-31 |
| 4544338 | Oil feeder means for use in a horizontal type rotary compressor | Masahiro Takebayashi, Hiroshi Iwata, Masahiko Sugiyama, Mitsuru Murata, Shigetaro Tagawa | 1985-10-01 |