Hiraga; Masaharu

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hiraga; Masaharu.The latest application filed is for "scroll type fluid compressor with high strength sealing element".

Company Profile

0.24.0

Hiraga; Masaharu - Honjo JP
Hiraga; Masaharu - Honjyo JP
Hiraga; Masaharu - Honjvo JP
Hiraga; Masaharu - Isesaki 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
Scroll type fluid compressor with high strength sealing element Grant 4,753,583 - Hiraga , et al. June 28, 1	1988-06-28
Scroll type fluid displacement compressor with spiral wrap elements of varying thickness Grant 4,627,800 - Matsudaira , et al. December 9, 1	1986-12-09
Biased drive mechanism for an orbiting fluid displacement member Grant 4,580,956 - Takahashi , et al. April 8, 1	1986-04-08
Scroll type fluid displacement apparatus with nonuniform scroll height Grant 4,548,555 - Hiraga , et al. October 22, 1	1985-10-22
Scroll type fluid compressor with thickened spiral elements Grant 4,547,137 - Terauchi , et al. October 15, 1	1985-10-15
Axial sealing device for a scroll-type fluid displacement apparatus Grant 4,540,355 - Sakaki , et al. September 10, 1	1985-09-10
Scroll type compressor with displacement adjusting mechanism Grant 4,514,150 - Hiraga , et al. April 30, 1	1985-04-30
Scroll type fluid displacement apparatus with improved end plate fluid passage means Grant 4,498,852 - Hiraga February 12, 1	1985-02-12
Scroll type fluid displacement apparatus with thickened center wrap portions Grant 4,490,099 - Terauchi , et al. December 25, 1	1984-12-25
Scroll manufacturing method and tool Grant 4,487,248 - Fukushima , et al. December 11, 1	1984-12-11
Scroll type compressor with displacement adjusting mechanism Grant 4,468,178 - Hiraga , et al. August 28, 1	1984-08-28
Drive mechanism for a scroll type fluid displacement apparatus Grant 4,466,784 - Hiraga August 21, 1	1984-08-21
Driving support mechanism for an orbiting scroll of a scroll type fluid displacement apparatus Grant 4,457,676 - Hiraga July 3, 1	1984-07-03
Scroll type fluid displacement apparatus Grant 4,456,435 - Hiraga , et al. June 26, 1	1984-06-26
Scroll type fluid displacement apparatus with reinforced wrap seals Grant 4,453,899 - Hiraga , et al. June 12, 1	1984-06-12
Scroll type fluid compressor unit with axial end surface sealing means Grant 4,437,820 - Terauchi , et al. March 20, 1	1984-03-20
Scroll type fluid displacement apparatus with pressure communicating passage between pockets Grant 4,432,708 - Hiraga , et al. February 21, 1	1984-02-21
Reduced diameter devices with an electromagnetic clutch Grant 4,425,520 - Hiraga January 10, 1	1984-01-10
Scroll type compressor with oil passageways through the housing Grant 4,340,339 - Hiraga , et al. July 20, 1	1982-07-20
Scroll type compressor having an oil separator and oil sump in the suction chamber Grant 4,332,535 - Terauchi , et al. June 1, 1	1982-06-01
Scroll-type compressor with reduced housing radius Grant 4,303,379 - Hiraga , et al. December 1, 1	1981-12-01
Multi-cylinder compressor having spaced arrays of cylinders Grant 4,095,921 - Hiraga , et al. June 20, 1	1978-06-20
Fluid suction and discharge apparatus Grant 4,039,270 - Hiraga August 2, 1	1977-08-02
Refrigerant compressor Grant 3,945,765 - Toyoda , et al. March 23, 1	1976-03-23

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