Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8690555 | Two-stage rotary expander, expander-compressor unit, and refrigeration cycle apparatus | Hidetoshi Taguchi, Hiroshi Hasegawa, Yasufumi Takahashi, Atsuo Okaichi | 2014-04-08 |
| 8689581 | Rotary-type fluid machine and refrigeration cycle apparatus | Atsuo Okaichi, Hiroshi Hasegawa, Masaru Matsui, Tomoichiro Tamura | 2014-04-08 |
| 8503273 | Optical disc device and recording method | — | 2013-08-06 |
| 8441902 | Optical information recording/reproducing device, optical information reproducing device, and optical information recording medium | — | 2013-05-14 |
| 8408024 | Fluid machine and refrigeration cycle apparatus | Hiroshi Hasegawa, Masanobu Wada, Yu Shiotani, Subaru Matsumoto | 2013-04-02 |
| 8398387 | Fluid machine and refrigeration cycle apparatus | Yu Shiotani, Hiroshi Hasegawa, Shingo Oyagi, Masanobu Wada, Osamu Kosuda | 2013-03-19 |
| 8323010 | Expander-compressor unit | Shingo Oyagi, Takumi Hikichi, Masanobu Wada, Yu Shiotani | 2012-12-04 |
| 8316664 | Refrigeration cycle apparatus and fluid machine used therefor | Hiroshi Hasegawa, Masaru Matsui, Shingo Oyagi, Masanobu Wada | 2012-11-27 |
| 8251682 | Multi stage rotary expander and refrigeration cycle apparatus with the same | Hiroshi Hasegawa, Masaru Matsui, Atsuo Okaichi, Tomoichiro Tamura | 2012-08-28 |
| 8192185 | Expander-compressor unit | Masanobu Wada, Yu Shiotani, Shingo Oyagi, Yasufumi Takahashi | 2012-06-05 |
| 8186179 | Expander-compressor unit | Yasufumi Takahashi, Hiroshi Hasegawa, Masaru Matsui, Atsuo Okaichi | 2012-05-29 |
| 8182251 | Expander-compressor unit | Yu Shiotani, Shingo Oyagi, Masanobu Wada, Yasufumi Takahashi | 2012-05-22 |
| 8177525 | Expander-integrated compressor | Yasufumi Takahashi, Hiroshi Hasegawa, Takumi Hikichi | 2012-05-15 |
| 8177532 | Expander and expander-compressor unit | Atsuo Okaichi, Yasufumi Takahashi, Hiroshi Hasegawa, Masaru Matsui, Masanobu Wada | 2012-05-15 |
| 8172558 | Rotary expander with discharge and introduction passages for working fluid | Hiroshi Hasegawa, Takumi Hikichi, Masanobu Wada, Yasufumi Takahashi | 2012-05-08 |
| 8127567 | Shaft coupling and arrangement for fluid machine and refrigeration cycle apparatus | Hiroshi Hasegawa, Masaru Matsui, Atsuo Okaichi, Tomoichiro Tamura, Masanobu Wada | 2012-03-06 |
| 8104307 | Expander-integrated compressor and refrigeration-cycle apparatus with the same | Hiroshi Hasegawa, Masaru Matsui, Atsuo Okaichi, Masanobu Wada, Yasufumi Takahashi | 2012-01-31 |
| 8087260 | Fluid machine and refrigeration cycle apparatus | Takumi Hikichi, Atsuo Okaichi, Masaru Matsui, Hiroshi Hasegawa | 2012-01-03 |
| 8074471 | Refrigeration cycle apparatus and fluid machine used for the same | Hiroshi Hasegawa, Masaru Matsui, Fumitoshi Nishiwaki, Hidetoshi Taguchi, Fuminori Sakima +1 more | 2011-12-13 |
| 8077580 | Optical information recording and reproducing apparatus | — | 2011-12-13 |
| 8056361 | Multi-stage rotary-type fluid machine and refrigeration cycle apparatus | Masaru Matsui, Hiroshi Hasegawa, Atsuo Okaichi, Masanobu Wada, Yasufumi Takahashi | 2011-11-15 |
| 8033135 | Rotary-type fluid machine and refrigeration cycle apparatus | Atsuo Okaichi, Hiroshi Hasegawa, Masaru Matsui, Tomoichiro Tamura | 2011-10-11 |
| 7936652 | Optical disc apparatus | Hideki Maruyama | 2011-05-03 |