Issued Patents All Time
Showing 51–65 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6032869 | Heating apparatus for vehicle | Koichi Ito, Yoshihiko Okumura, Kazutaka Suzuki, Yasutoshi Yamanaka, Yuichi Shirota +3 more | 2000-03-07 |
| 5975421 | Hot-water heating apparatus | Koichi Ito, Yoshihiko Okumura, Hikaru Sugi | 1999-11-02 |
| 5957377 | Flow control valve and hot-water type heater apparatus employing the same | Koichi Ito, Shinji Aoki, Hiroshi Nonoyama, Hikaru Sugi, Yoshihiko Okumura | 1999-09-28 |
| 5904052 | Brine type air conditioning apparatus | Yuichi Shirota | 1999-05-18 |
| 5809944 | Cooling water control valve and cooling water circuit system employing the same | Shinji Aoki, Toshio Morikawa | 1998-09-22 |
| 5794845 | Flow control device and hot-water type heating apparatus employing the same | Koichi Ito, Yoshihiko Okumura | 1998-08-18 |
| 5778843 | Auxiliary heat source apparatus for vehicle and heating apparatus employing the same | Shinji Aoki, Toshio Morikawa, Hajime Ito, Hikaru Sugi, Takashi Ban | 1998-07-14 |
| 5779141 | Heating apparatus | Yoshihiko Okumura, Koichi Ito, Hikaru Sugi | 1998-07-14 |
| 5762266 | Heating apparatus | Yoshihiko Okumura, Koichi Ito, Hikaru Sugi | 1998-06-09 |
| 5738048 | Cooling apparatus for cooling an engine | Kazutaka Suzuki, Yasutoshi Yamanaka, Hiroyuki Fukunaga | 1998-04-14 |
| 5730089 | Cooling water circulating system for internal combustion engine of vehicle | Toshio Morikawa, Hikaru Sugi, Shinji Aoki, Yasutoshi Yamanaka | 1998-03-24 |
| 5662072 | Engine warming-up apparatus for a vehicle and heat insulating device | Kazutaka Suzuki, Yasutoshi Yamanaka | 1997-09-02 |
| 5566881 | Automotive hot-water Heating apparatus | Koichi Ito, Hikaru Sugi | 1996-10-22 |
| 5450894 | Air conditioning apparatus for a vehicle | Kazushi Shikata, Yoshiaki Takano, Masahiko Osuka | 1995-09-19 |
| 5184478 | Refrigerant apparatus | Kiyoharu Kutsuna | 1993-02-09 |