Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7533539 | Refrigerating machine | Masahisa Otake, Hiroshi Mukaiyama, Koji Sato, Kunie Sekigami | 2009-05-19 |
| 7194873 | Refrigerating machine and intermediate-pressure receiver | Masahisa Otake, Hiroshi Mukaiyama, Koji Sato, Kunie Sekigami | 2007-03-27 |
| 6601773 | Heat pump type hot water supply apparatus | Masanobu Saitoh, Kiyoshi Koyama, Yoshinori Touya, Sadahiro Takizawa, Shigeya Ishigaki +5 more | 2003-08-05 |