Ogasawara; Hirotsugu

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ogasawara; Hirotsugu.The latest application filed is for "sealed type rotary compressor".

Company Profile

0.21.22

Ogasawara; Hirotsugu - Ota N/A JP
Ogasawara; Hirotsugu - Ota-shi JP
Ogasawara; Hirotsugu - Gunma JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Sealed type rotary compressor Grant 8,469,679 - Ogasawara , et al. June 25, 2	2013-06-25
Multicylindrical rotary compressor Grant 8,277,202 - Nishikawa , et al. October 2, 2	2012-10-02
Multicylindrical rotary compressor, compression system, and freezing device using the compression system Grant 7,985,054 - Ogasawara , et al. July 26, 2	2011-07-26
Sealed Type Rotary Compressor App 20100215525 - Ogasawara; Hirotsugu ; et al.	2010-08-26
Sealed Type Rotary Compressor App 20100215524 - Ogasawara; Hirotsugu ; et al.	2010-08-26
Compressor having different hardness surface between upper surface and receiving surface of top dead center of compression member and vane Grant 7,762,798 - Ogasawara , et al. July 27, 2	2010-07-27
Compressor with continuously inclined surface Grant 7,736,138 - Nishikawa , et al. June 15, 2	2010-06-15
Hermetically sealed compressor and method of manufacturing the same Grant 7,632,082 - Ogasawara , et al. December 15, 2	2009-12-15
Multicylindrical rotary compressor, compression system, and freezing device using the compression system App 20090238710 - Ogasawara; Hirotsugu ; et al.	2009-09-24
Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same Grant 7,585,163 - Nishikawa , et al. September 8, 2	2009-09-08
Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same Grant 7,585,162 - Nishikawa , et al. September 8, 2	2009-09-08
Hermetically sealed compressor having oil supply mechanism based on refrigerant pressure Grant 7,581,936 - Ogasawara , et al. September 1, 2	2009-09-01
Rotary type compressor having an intermediate pressure on a surface side of its compression member Grant 7,581,937 - Nishikawa , et al. September 1, 2	2009-09-01
Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same Grant 7,572,116 - Nishikawa , et al. August 11, 2	2009-08-11
Multicylindrical rotary compressor, compression system, and freezing device using the compression system Grant 7,566,204 - Ogasawara , et al. July 28, 2	2009-07-28
Multicylinder rotary compressor and compressing system and refrigerating unit provided with same Grant 7,563,085 - Sakaniwa , et al. July 21, 2	2009-07-21
Compression member and vane of a compressor Grant 7,540,724 - Ogasawara , et al. June 2, 2	2009-06-02
Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same Grant 7,524,174 - Nishikawa , et al. April 28, 2	2009-04-28
Compressor having back pressure vane controlled for improving oil distribution Grant 7,488,165 - Ogasawara , et al. February 10, 2	2009-02-10
Shaft seal for rotary type compressor Grant 7,481,635 - Nishikawa , et al. January 27, 2	2009-01-27
Hermetically sealed compressor and method of manufacturing the same Grant 7,473,081 - Ogasawara , et al. January 6, 2	2009-01-06
Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same App 20080298993 - Nishikawa; Takahiro ; et al.	2008-12-04
Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same App 20080206071 - Nishikawa; Takahiro ; et al.	2008-08-28
Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same App 20080199325 - Nishikawa; Takahiro ; et al.	2008-08-21
Compressor having pressure controlled for improving oil distribution Grant 7,381,040 - Ogasawara , et al. June 3, 2	2008-06-03
Hermetically Sealed Compressor And Method Of Manufacturing The Same App 20080112831 - Ogasawara; Hirotsugu ; et al.	2008-05-15
Compressor App 20080031764 - Ogasawara; Hirotsugu ; et al.	2008-02-07
Compressor App 20080031753 - Nishikawa; Takahiro ; et al.	2008-02-07
Compressor App 20070243093 - Ogasawara; Hirotsugu ; et al.	2007-10-18
Compressor App 20070243092 - Nishikawa; Takahiro ; et al.	2007-10-18
Multicylindrical rotary compressor App 20060222511 - Nishikawa; Takahiro ; et al.	2006-10-05
Compressor Grant 7,114,930 - Ogasawara , et al. October 3, 2	2006-10-03
Hermetically sealed compressor App 20060210408 - Ogasawara; Hirotsugu ; et al.	2006-09-21
Hermetically sealed compressor and method of manufacturing the same App 20060210407 - Ogasawara; Hirotsugu ; et al.	2006-09-21
Multicylindrical rotary compressor, compression system, and freezing device using the compression system App 20060140802 - Ogasawara; Hirotsugu ; et al.	2006-06-29
Compressor App 20060078442 - Ogasawara; Hirotsugu ; et al.	2006-04-13
Compressor App 20060078440 - Nishikawa; Takahiro ; et al.	2006-04-13
Compressor App 20060078441 - Ogasawara; Hirotsugu ; et al.	2006-04-13
Compressor App 20060067850 - Ogasawara; Hirotsugu ; et al.	2006-03-30
Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same App 20060008360 - Nishikawa; Takahiro ; et al.	2006-01-12
Multicylinder rotary compressor and compressing system and refrigerating unit provided with same App 20050214137 - Sakaniwa, Masazumi ; et al.	2005-09-29
Compressor App 20050152792 - Ogasawara, Hirotsugu ; et al.	2005-07-14

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