Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5390507 | Refrigerant evaporator | Shigeo Numazawa, Yoshiyuki Yamauchi, Etuo Hasegawa, Toshio Ohara, Keiichi Yoshii | 1995-02-21 |
| 5245843 | Evaporator | Yoshiyuki Yamauchi, Etuo Hasegawa | 1993-09-21 |
| 5222551 | Laminate-type heat exchanger | Euto Hasegawa, Yoshiyuki Yamauchi, Toshio Ohara | 1993-06-29 |
| 5172759 | Plate-type refrigerant evaporator | Tadashi Nakabou, Yoshiyuki Yamauchi | 1992-12-22 |
| 5137082 | Plate-type refrigerant evaporator | Tadashi Nakabou, Yoshiyuki Yamauchi | 1992-08-11 |
| 4901908 | Aluminum material for brazing, method of manufacturing same, and method of manufacturing heat exchanger made of aluminum alloy | Kengi Negura, Ken Yamamoto, Shigeo Ito | 1990-02-20 |