Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6532764 | Degree of supercooling control type expansion valve | Hisatoshi Hirota, Shinji Saeki, Tokumi Tsugawa, Katsumi Koyama | 2003-03-18 |
| 6520419 | Supercooling degree control type expansion valve | Hisatoshi Hirota | 2003-02-18 |