Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7971909 | Pipe joint, refrigeration device, heat pump hot water supply device, closing valve, water supply piping, method of connecting piping, and in-the field piping method | Haruo Nakata, Hiromune Matsuoka | 2011-07-05 |
| 7488009 | Pipe joint | Mamoru Asakawa, Isao Fujinami, Haruo Nakata | 2009-02-10 |
| 7178347 | Method for refrigerant and oil collecting operation and refrigerant and oil collection controller | Shigeharu Taira | 2007-02-20 |
| 6581397 | Refrigerating device | Shigeharu Taira, Koji Shibaike | 2003-06-24 |
| 6363967 | Flow merging and dividing device and heat exchanger using the device | Masaaki Kitazawa | 2002-04-02 |
| 5505761 | Process for preparing metallic cadmium powder | Yoshimi Hata, Masamoto Sasaki, Hirohisa Senzaki, Morimasa Sumida, Masaharu Onoue | 1996-04-09 |