Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6574976 | Refrigerant cycle system and valve device for the same | Yoshiaki Takano, Yasuhiro Yamamoto, Noboru Takagi, Tetsuo Hirose | 2003-06-10 |
| 6477990 | Heat storage tank in cooling water circuit | Takashi Toyoshima, Toshio Morikawa, Koichi Ban, Sadahisa Onimaru | 2002-11-12 |