Inventor · disambiguated record
Masao Ozu
Also filed as: OZU MASAO
25 granted patents·445 citations·filing 1979–2021
96Inventor score
Top patents by PatentIndex Score
25 records- 0186US5616019ARolling piston type expansion machineTOSHIBA KK·Filed 1995·Granted Apr 1, 1997·54 cites·9 claims
- 0286US4326868ARefrigeration system utilizing a gaseous refrigerant bypassTOKYO SHIBAURA ELECTRIC CO·Filed 1979·Granted Apr 27, 1982·48 cites·18 claims
- 0384US5784893AAir conditioning system with built-in intermediate heat exchanger with two different types of refrigerants circulatedTOSHIBA KK·Filed 1997·Granted Jul 28, 1998·57 cites·20 claims
- 0482US5775883ARolling-piston expander apparatusTOSHIBA KK·Filed 1996·Granted Jul 7, 1998·39 cites·19 claims
- 0581US10605492B2Refrigeration cycle deviceGUANGDONG MEIZHI COMPRESSOR CO LTD·Filed 2015·Granted Mar 31, 2020·3 cites·9 claims
- 0679US4781542AHermetically-sealed compressor with motorTOSHIBA KK·Filed 1987·Granted Nov 1, 1988·41 cites·4 claims
- 0774US10072661B2Rotatory compressor and refrigerating cycle deviceGUANGDONG MEIZHI COMPRESSOR CO LTD·Filed 2013·Granted Sep 11, 2018·2 cites·11 claims
- 0867US12110890B2Rotary compressor and refrigeration cycle deviceGUANGDONG MEIZHI COMPRESSOR CO LTD·Filed 2021·Granted Oct 8, 2024·0 cites·18 claims
- 0967US6162035AHelical-blade fluid machineTOSHIBA KK·Filed 1998·Granted Dec 19, 2000·18 cites·17 claims
- 1065US4584750AEnclosed type compressor and method for assembling the sameTOSHIBA KK·Filed 1985·Granted Apr 29, 1986·20 cites·6 claims
- 1164USD282546SRotary compressorTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Feb 11, 1986·11 cites·1 claims
- 1260US4508495ARotary shaft for compressorTOKYO SHIBAURA ELECTRIC CO·Filed 1983·Granted Apr 2, 1985·19 cites·4 claims
- 1357US5782622AHermetic compressor having a frame supporting the comprission mechanismTOSHIBA KK·Filed 1996·Granted Jul 21, 1998·15 cites·11 claims
- 1456US5885062ASwitching valve fluid compressor and heat pump type refrigeration systemTOSHIBA KK·Filed 1997·Granted Mar 23, 1999·17 cites·28 claims
- 1556US5207071ACurrent control apparatus for air-conditioning systemTOSHIBA KK·Filed 1992·Granted May 4, 1993·27 cites·9 claims
- 1655US4702088ACompressor for reversible refrigeration cycleTOSHIBA KK·Filed 1986·Granted Oct 27, 1987·15 cites·9 claims
- 1750US6425744B2Helical blade type compressor having a helical blade in a stationary cylinderTOSHIBA KK·Filed 2001·Granted Jul 30, 2002·3 cites·18 claims
- 1845US6089834AHelical compressor and method of assembling the sameTOSHIBA KK·Filed 1998·Granted Jul 18, 2000·13 cites·30 claims
- 1945US5788470AFluid machine having two spiral working mechanisms with a stepped shape sectionTOSHIBA KK·Filed 1996·Granted Aug 4, 1998·11 cites·16 claims
- 2043US5297395AAir conditioner using rotary-type heat exchangersTOSHIBA KK·Filed 1993·Granted Mar 29, 1994·15 cites·20 claims
- 2140US10626867B2Electric compressor and refrigeration device having sameGUANGDONG MEIZHI COMPRESSOR CO LTD·Filed 2015·Granted Apr 21, 2020·0 cites·8 claims
- 2239US4522038ARefrigerating cycle apparatusTOKYO SHIBAURA ELECTRIC CO·Filed 1983·Granted Jun 11, 1985·8 cites·6 claims
- 2337US6338617B1Helical-blade fluid machineTOSHIBA KK·Filed 2000·Granted Jan 15, 2002·0 cites·11 claims
- 2433US4743177AEnclosed type compressor and method for assembling the sameTOSHIBA KK·Filed 1987·Granted May 10, 1988·4 cites·12 claims
- 2533US4476691ARefrigeration cycle apparatusTOKYO SHIBAURA ELECTRIC CO·Filed 1983·Granted Oct 16, 1984·5 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →