Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10590934 | Refrigeration cycle device with motor speed estimator | Fuminori Sakima, Hiroaki Nakai, Akihiro Kyogoku, Hideaki Matsuo, Shigehiro Sato +1 more | 2020-03-17 |
| 10591188 | Refrigeration cycle device using working fluid containing 1,1,2-trifluoroethylene (R1123) and difluoromethane (R32) | Fuminori Sakima, Shigehiro Sato, Kenji Takaichi, Yoshikazu Kawabe, Hiroaki Nakai | 2020-03-17 |
| 10215451 | Compressor and refrigeration cycle device using same | Fuminori Sakima, Yoshikazu Kawabe, Atsushi Sakuda, Hiroaki Nakai, Shigehiro Sato +1 more | 2019-02-26 |
| 10132541 | Air conditioner and installing method of the air conditioner | Yoshikazu Kawabe | 2018-11-20 |
| 10077922 | Compressor and refrigeration cycle device using same | Fuminori Sakima, Yoshikazu Kawabe, Atsushi Sakuda, Hiroaki Nakai, Shigehiro Sato +1 more | 2018-09-18 |
| 6571575 | Air conditioner using inflammable refrigerant | Yoshinori Kobayashi, Riko Tachigori | 2003-06-03 |
| 6550273 | Air conditioner using flammable refrigerant | Yoshinori Kobayashi, Riko Tachigori | 2003-04-22 |
| 6425252 | Purging method, apparatus to be purged and purging apparatus | Yoshinori Kobayashi | 2002-07-30 |
| 6216476 | Apparatus having refrigeration cycle | Hironao Numoto, Kanji Haneda, Shigehiro Sato, Yukio Watanabe, Yuichi Yakumaru +1 more | 2001-04-17 |
| 6202435 | Explosion preventing apparatus for refrigerating machines using inflammable refrigerant | Yoshinori Kobayashi | 2001-03-20 |
| 6196008 | Method for taking custody of, transporting and installing air conditioner | Yoshinori Kobayashi, Yuichi Yakumaru, Yukio Watanabe, Hironao Numoto, Shigehiro Sato +1 more | 2001-03-06 |
| 6167719 | Compressor for refrigeration cycle | Yuichi Yakumaru, Yukio Watanabe, Hironao Numoto, Shigehiro Sato, Kanji Haneda +1 more | 2001-01-02 |
| 6141976 | Manufacturing method of an air conditioner | Hironao Numoto, Toru Yasuda, Hiroshi Namura | 2000-11-07 |
| 6085531 | Air conditioner | Hironao Numoto, Jiro Suzuki | 2000-07-11 |
| 6073455 | Refrigerant leakage warning device for apparatus having refrigeration cycle using flammable refrigerant | Riko Tachigori, Yukio Watanabe, Yoshinori Kobayashi, Kanji Haneda | 2000-06-13 |
| 6044660 | Apparatus having refrigeration cycle | Hironao Numoto, Kanji Haneda, Shigehiro Sato, Yukio Watanabe, Yuichi Yakumaru +1 more | 2000-04-04 |
| 6006544 | Refrigeration cycle | Yukio Watanabe, Hisao Wakabayashi, Hironao Numoto, Shinji Watanabe, Kanji Haneda +3 more | 1999-12-28 |
| 5806326 | Refrigeration cycle | Yukio Watanabe, Hisao Wakabayashi, Hironao Numoto, Shinji Watanabe, Kanji Haneda +3 more | 1998-09-15 |
| 5715694 | Refrigerator controller | Yuichi Yakumaru, Shinji Watanabe, Yoshinori Kobayashi | 1998-02-10 |