Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8056361 | Multi-stage rotary-type fluid machine and refrigeration cycle apparatus | Masaru Matsui, Hiroshi Hasegawa, Takeshi Ogata, Masanobu Wada, Yasufumi Takahashi | 2011-11-15 |
| 8033135 | Rotary-type fluid machine and refrigeration cycle apparatus | Hiroshi Hasegawa, Masaru Matsui, Tomoichiro Tamura, Takeshi Ogata | 2011-10-11 |
| 7878771 | Hermetic type compressor with wave-suppressing member in the oil reservoir | Hiroshi Hasegawa, Fumitoshi Nishiwaki | 2011-02-01 |