Inventor
TAKEGAMI MASAAKI
JP38 patents
⚠️ This page may combine multiple inventors who share the name “TAKEGAMI MASAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DAIKIN IND LTD
35 patentsUS6722156B2Apr 20, 2004
Refrigeration system
DAIKIN IND LTD38 citations92
US6698217B2Mar 2, 2004
Freezing device
DAIKIN IND LTD37 citations90
US11274871B2Mar 15, 2022
Refrigeration apparatus
DAIKIN IND LTD11 citations84
US11015852B2May 25, 2021
Refrigeration apparatus
DAIKIN IND LTD11 citations84
US6986259B2Jan 17, 2006
Refrigerator
DAIKIN IND LTD18 citations84
US6938430B2Sep 6, 2005
Refrigerating device
DAIKIN IND LTD12 citations84
US7237405B2Jul 3, 2007
Refrigeration apparatus
DAIKIN IND LTD15 citations82
US6263691B1Jul 24, 2001
Refrigerant recovering apparatus and refrigerant recovering method
DAIKIN IND LTD17 citations82
US7155928B2Jan 2, 2007
Refrigerating apparatus
DAIKIN IND LTD7 citations74
US7028502B2Apr 18, 2006
Refrigeration equipment
DAIKIN IND LTD7 citations74
US6321542B1Nov 27, 2001
Method for cleaning pipe and pipe cleaning apparatus for refrigerating apparatus
DAIKIN IND LTD8 citations72
US11428225B2Aug 30, 2022
Multistage compression system
DAIKIN IND LTD4 citations71
US11415342B2Aug 16, 2022
Multistage compression system
DAIKIN IND LTD3 citations71
US6279330B1Aug 28, 2001
Apparatus and method for cleaning pipes of refrigerating unit
DAIKIN IND LTD10 citations71
US5533351AJul 9, 1996
Air conditioner
DAIKIN IND LTD11 citations70
US7765817B2Aug 3, 2010
Refrigeration system
DAIKIN IND LTD3 citations62
US7752864B2Jul 13, 2010
Refrigeration apparatus
DAIKIN IND LTD4 citations62
US7305846B2Dec 11, 2007
Freezing device
DAIKIN IND LTD5 citations62
US6883346B2Apr 26, 2005
Freezer
DAIKIN IND LTD5 citations62
US12410942B2Sep 9, 2025
Heat source unit and refrigeration apparatus
DAIKIN IND LTD0 citations60
US12203685B2Jan 21, 2025
Refrigeration apparatus
DAIKIN IND LTD0 citations60
US11788781B2Oct 17, 2023
Refrigeration device and method for determining amount of refrigerant in refrigeration device
DAIKIN IND LTD0 citations60
US11598559B2Mar 7, 2023
Heat source-side unit and refrigeration apparatus
DAIKIN IND LTD1 citations60
US11573039B2Feb 7, 2023
Heat source unit and refrigeration apparatus
DAIKIN IND LTD0 citations60
US12085320B2Sep 10, 2024
Heat source unit and refrigeration apparatus
DAIKIN IND LTD0 citations52
US12352484B2Jul 8, 2025
Heat source unit and refrigeration device
DAIKIN IND LTD0 citations50
US11796238B2Oct 24, 2023
Heat source unit and refrigeration apparatus
DAIKIN IND LTD0 citations50
US11788759B2Oct 17, 2023
Refrigeration system and heat source unit
DAIKIN IND LTD0 citations50
US11686518B2Jun 27, 2023
Refrigeration apparatus that operates a utilization unit based on drivability of a compressor in a heat source unit
DAIKIN IND LTD0 citations50
US11512876B2Nov 29, 2022
Refrigeration apparatus
DAIKIN IND LTD0 citations50
US11486616B2Nov 1, 2022
Refrigeration device
DAIKIN IND LTD0 citations50
US12031752B2Jul 9, 2024
Refrigeration apparatus
DAIKIN IND LTD0 citations49
US11448433B2Sep 20, 2022
Refrigeration apparatus
DAIKIN IND LTD0 citations49
US12123629B2Oct 22, 2024
Heat source unit and refrigeration device having low-stage and high-stage compressors with four-way switching valve
DAIKIN IND LTD0 citations47
US12352477B2Jul 8, 2025
Refrigeration apparatus-use unit, heat source unit, and refrigeration apparatus
DAIKIN IND LTD0 citations41