Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11725660 | Horizontal compressor and refrigeration cycle system | Keiichi Hasegawa, Shinya Goto, Jafet Ferdhy Monasry, Masaya Ichihara | 2023-08-15 |
| 6338617 | Helical-blade fluid machine | Makoto Hayano, Hirotsugu Sakata, Masao Ozu | 2002-01-15 |
| 6186759 | Helical blade type compressor and a refrigeration cycle apparatus using the same | Makoto Hayano, Hirotsugu Sakata | 2001-02-13 |
| 6162035 | Helical-blade fluid machine | Makoto Hayano, Hirotsugu Sakata, Masao Ozu | 2000-12-19 |
| 5775883 | Rolling-piston expander apparatus | Hitoshi Hattori, Masao Ozu, Kazuo Saito, Toshio Otaka, Motonori Futamura | 1998-07-07 |
| 5240389 | Scroll type compressor | Satoru Oikawa, Toshinobu Inoue, Yutaka Sasahara | 1993-08-31 |