Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7631510 | Multi-stage refrigeration system including sub-cycle control characteristics | Reinhard Radermacher, Toshikazu Ishihara, Hans-Joachim Huff, Yunho Hwang, Masahisa Otake +2 more | 2009-12-15 |
| 7437884 | Air conditioner | Masahisa Otake, Hiroshi Mukaiyama | 2008-10-21 |
| 7421982 | Independent combustion chamber-type internal combustion engine | Kazunari Kamimura, Masahiro Kamimura | 2008-09-09 |
| 7320228 | Refrigerant cycle apparatus | Hiroshi Mukaiyama, Satoshi Imai, Hiroyuki Itsuki, Masahisa Otake | 2008-01-22 |
| 7293428 | Refrigerating machine | Hiroyuki Itsuki, Akira Sugawara, Hiroshi Mukaiyama, Etsushi Nagae, Satoshi Imai +1 more | 2007-11-13 |
| 7254955 | Heat exchange apparatus and refrigerating machine | Masahisa Otake, Koji Sato, Hiroshi Mukaiyama, Norio Sawada | 2007-08-14 |
| 7185505 | Refrigerant circuit and heat pump type hot water supply apparatus | — | 2007-03-06 |
| 7104079 | Heat pump | Osamu Kuwabara, Hiroshi Mukaiyama, Masahiro Kobayashi, Hirokazu Izaki, Toshikazu Ishihara | 2006-09-12 |
| 6460728 | Automatic vending machine | — | 2002-10-08 |
| 5970721 | Mixed refrigerant injection method | Norio Sawada, Kouji Satou, Tetuya Masuda | 1999-10-26 |
| 5966947 | Method of returning refrigerator oil of air conditioner | Norio Sawada, Tetsuya Masuda, Koji Sato | 1999-10-19 |
| 5598717 | Air conditioner having frost preventing member | Naohito Sakamoto, Yukiharu Inoue, Kazuhiro Shimura | 1997-02-04 |
| 5361595 | Air-conditioning apparatus | Kazuhiro Shimura, Takeshi Ookubo, Kouji Nagae, Takao Shiina, Kunie Sekigami | 1994-11-08 |