Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8328525 | Electric compressor and control device for estimating compressor discharge temperature | Satoru Saito, Shigeyuki Koyama | 2012-12-11 |
| 8113800 | Scroll fluid machine | Yoshitaka Koitabashi, Shigeyuki Koyama, Kou Tsukamoto | 2012-02-14 |