Inventor · disambiguated record
Yoshikatsu Hiratsuka
Also filed as: HIRATSUKA YOSHIKATSU
11 granted patents·7 pending applications·21 citations·filing 1994–2018
81Inventor score
Top patents by PatentIndex Score
18 records- 0166US9976780B2Stirling-type pulse tube refrigeratorSUMITOMO HEAVY INDUSTRIES·Filed 2015·Granted May 22, 2018·1 cites·2 claims
- 0262US9103332B2Refrigerator and compressorSUMITOMO HEAVY INDUSTRIES·Filed 2013·Granted Aug 11, 2015·2 cites·6 claims
- 0356US9574798B2U-shaped pulse-tube refrigeratorSUMITOMO HEAVY INDUSTRIES·Filed 2014·Granted Feb 21, 2017·0 cites·8 claims
- 0453US9127864B2Regenerative refrigeratorSUMITOMO HEAVY INDUSTRIES·Filed 2013·Granted Sep 8, 2015·0 cites·4 claims
- 0551US5435140AVuilleumier heat pump deviceDAIKIN IND LTD·Filed 1994·Granted Jul 25, 1995·18 cites·7 claims
- 0650US9964340B2Stirling refrigeratorSUMITOMO HEAVY INDUSTRIES·Filed 2015·Granted May 8, 2018·0 cites·6 claims
- 0749US2014338368A1Stirling-type pulse tube refrigerator and flow smoother thereofSUMITOMO HEAVY INDUSTRIES·Filed 2014·Application pending·0 cites
- 0849US2015033766A1RefrigeratorSUMITOMO HEAVY INDUSTRIES·Filed 2014·Application pending·0 cites
- 0946US10393411B2Stirling cryocoolerSUMITOMO HEAVY INDUSTRIES·Filed 2016·Granted Aug 27, 2019·0 cites·10 claims
- 1046US2013247593A1Pulse tube refrigerator and method of operating thereofSUMITOMO HEAVY INDUSTRIES·Filed 2013·Application pending·0 cites
- 1145US11092271B2Flexible connection pipe for cryocooler and cryocoolerSUMITOMO HEAVY INDUSTRIES·Filed 2018·Granted Aug 17, 2021·0 cites·11 claims
- 1245US9759459B2Regenerator and regenerative refrigerator with insertion memberSUMITOMO HEAVY INDUSTRIES·Filed 2015·Granted Sep 12, 2017·0 cites·8 claims
- 1344US10228164B2Stirling refrigeratorSUMITOMO HEAVY INDUSTRIES·Filed 2015·Granted Mar 12, 2019·0 cites·3 claims
- 1440US10480665B2Valve structure, nonlubricated linear compressor, and cryocoolerSUMITOMO HEAVY INDUSTRIES·Filed 2016·Granted Nov 19, 2019·0 cites·16 claims
- 1540US2017010026A1Stirling cryocoolerSUMITOMO HEAVY INDUSTRIES·Filed 2016·Application pending·0 cites
- 1637US2016097387A1Support structure for linear-compressor moving component, linear compressor, and cryogenic refrigeratorSUMITOMO HEAVY INDUSTRIES·Filed 2015·Application pending·0 cites
- 1737US2016223228A1Regenerator and stirling cryocoolerSUMITOMO HEAVY INDUSTRIES·Filed 2016·Application pending·0 cites
- 1837US2016097567A1Cryogenic refrigeratorSUMITOMO HEAVY INDUSTRIES·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →