Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5642858 | Thermal expansion valve | Nobuharu Kakehashi, Yoshitaka Tomatsu, Yasushi Yamanaka, Kenichi Fujiwara | 1997-07-01 |
| 5619861 | Refrigeration apparatus | Yasushi Yamanaka, Nobuharu Kakehashi, Kenichi Fujiwara | 1997-04-15 |