Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6270329 | Rotary compressor | Kenichi Oshima, Shigeya Kawaminami, Tatuya Wakana | 2001-08-07 |
| 4636154 | Horizontal type rotary compressor | Masahiko Sugiyama, Masatune Sutou, Mitsuru Murata, Shigetaro Tagawa | 1987-01-13 |