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Dive into the research topics where Hirotsugu Ogasawara is active.

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Featured researches published by Hirotsugu Ogasawara.


Archive | 2010

Sealed type rotary compressor

Hirotsugu Ogasawara; Takahiro Nishikawa; Yoshihisa Kogure; Kazuhiko Arai; Hiroyuki Yoshida


Archive | 2008

Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same

Takahiro Nishikawa; Hirotsugu Ogasawara; Akihiro Suda; Masayuki Hara; Hiroyuki Sawabe; Hiroyuki Yoshida; Akira Hashimoto


Archive | 2006

Hermetically sealed compressor and method of manufacturing the same

Hirotsugu Ogasawara; Takahiro Nishikawa; Yoshihisa Kogure; Masayuki Hara; Hiroyuki Sawabe; Yoshiaki Hiruma


Archive | 2005

Multicylinder rotary compressor and compressing system and refrigerating unit provided with same

Masazumi Sakaniwa; Akira Hashimoto; Masayuki Hara; Takahiro Nishikawa; Hirotsugu Ogasawara; Akihiro Suda


Archive | 2009

Multicylindrical rotary compressor, compression system, and freezing device using the compression system

Hirotsugu Ogasawara; Takahiro Nishikawa; Masayuki Hara; Hiroyuki Yoshida; Akira Hashimoto


Archive | 2006

Hermetically sealed compressor having oil supply mechanism based on refrigerant pressure

Hirotsugu Ogasawara; Takahiro Nishikawa; Masayuki Hara; Hiroyuki Yoshida; Yoshihisa Kogure; Akira Hashimoto


Archive | 2005

Compressor having different hardness surface between upper surface and receiving surface of top dead center of compression member and vane

Hirotsugu Ogasawara; Takahiro Nishikawa; Takayuki Saito


Archive | 2005

Compressor having pressure controlled for improving oil distribution

Hirotsugu Ogasawara; Takahiro Nishikawa; Akihiro Suda; Masayuki Hara


Archive | 2007

Rotary type compressor having an intermediate pressure on a surface side of its compression member

Takahiro Nishikawa; Hirotsugu Ogasawara; Takao Kanayama; Yoshiaki Hiruma; Manabu Takenaka; Masazumi Sakaniwa; Akira Hashimoto; Junichi Suzuki


Archive | 2007

Compressor having back pressure vane controlled for improving oil distribution

Hirotsugu Ogasawara; Takahiro Nishikawa; Akihiro Suda; Masayuki Hara

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