Inventor · disambiguated record
Kazumoto Urata
Also filed as: URATA KAZUMOTO
25 granted patents·501 citations·filing 1990–2018
96Inventor score
Files withHITACHI LTD10JOHNSON CONTROLS HITACHI AIR CONDITIONING TECH HONG KONG LIMITED6HITACHI JOHNSON CONTROLS AIR CONDITIONING INC3JOHNSON CONTROLS TECH CO2HITACHI AIR CONDITIONING SYS1
Top patents by PatentIndex Score
25 records- 0195US5214918ARefrigerator and method for indicating refrigerant amountHITACHI LTD·Filed 1990·Granted Jun 1, 1993·130 cites·15 claims
- 0294US10557648B2Cooling/heating switching unit and air conditioner including the sameHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2017·Granted Feb 11, 2020·9 cites·8 claims
- 0392US5651263ARefrigeration cycle and method of controlling the sameHITACHI LTD·Filed 1994·Granted Jul 29, 1997·81 cites·9 claims
- 0490US6408645B1Air-conditioner, outdoor unit and refrigeration unitHITACHI AIR CONDITIONING SYS·Filed 2001·Granted Jun 25, 2002·40 cites·4 claims
- 0588US6305187B1Air-conditioner, outdoor unit and refrigeration unitFiled 2000·Granted Oct 23, 2001·34 cites·11 claims
- 0676US6772607B2Refrigerating deviceHITACHI LTD·Filed 2002·Granted Aug 10, 2004·15 cites·9 claims
- 0776US5829262ACapacity control device in refrigerating cycleHITACHI LTD·Filed 1996·Granted Nov 3, 1998·40 cites·18 claims
- 0873US10054377B2Air conditionerJOHNSON CONTROLS HITACHI AIR CONDITIONING TECH HONG KONG LIMITED·Filed 2016·Granted Aug 21, 2018·1 cites·7 claims
- 0973US5410887AApparatus for detecting composition of refrigerant and method thereforHITACHI LTD·Filed 1993·Granted May 2, 1995·41 cites·2 claims
- 1069US6505480B2Air-conditioner, outdoor unit and refrigeration unitHITACHI LTD·Filed 2002·Granted Jan 14, 2003·11 cites·5 claims
- 1169US5709090ARefrigerating system and operating method thereofHITACHI LTD·Filed 1995·Granted Jan 20, 1998·33 cites·17 claims
- 1268US10907902B2Heat exchangerHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2015·Granted Feb 2, 2021·1 cites·7 claims
- 1367US10222108B2Air conditionerJOHNSON CONTROLS—HITACHI AIR CONDITIONING TECH HONG KONG LIMITED·Filed 2014·Granted Mar 5, 2019·1 cites·4 claims
- 1467US5353604ARefrigeration cycleHITACHI LTD·Filed 1993·Granted Oct 11, 1994·28 cites·17 claims
- 1564US10473353B2Air conditioner and defrosting operation method thereforJOHNSON CONTROLS HITACHI AIR CONDITIONING TECH HONG KONG LIMITED·Filed 2014·Granted Nov 12, 2019·2 cites·6 claims
- 1664US10274211B2Air conditionerJOHNSON CONTROLS HITACHI AIR CONDITIONING TECH HONG KONG LIMITED·Filed 2015·Granted Apr 30, 2019·1 cites·5 claims
- 1757US10895393B2Variable refrigerant flow system with pressure optimization using extremum-seeking controlJOHNSON CONTROLS TECH CO·Filed 2018·Granted Jan 19, 2021·0 cites·20 claims
- 1857US7007505B2Refrigerating deviceHITACHI LTD TRUSTEE FOR THE BE·Filed 2004·Granted Mar 7, 2006·5 cites·8 claims
- 1956US5768902ARefrigeration cycle and method of controlling the sameHITACHI LTD·Filed 1996·Granted Jun 23, 1998·19 cites·10 claims
- 2052US10989433B2Air conditionerJOHNSON CONTROLS HITACHI AIR CONDITIONING TECH HONG KONG LIMITED·Filed 2014·Granted Apr 27, 2021·0 cites·8 claims
- 2152US10527322B2Air conditionerHITACHI JOHNSON CONTROLS AIR CONDITIONING INC·Filed 2015·Granted Jan 7, 2020·0 cites·10 claims
- 2248US10655878B2Variable refrigerant flow system with sub-cooling temperature optimization using extremum-seeking controlJOHNSON CONTROLS TECH CO·Filed 2018·Granted May 19, 2020·0 cites·20 claims
- 2345US10670311B2Heat exchangerJOHNSON CONTROLS HITACHI AIR CONDITIONING TECH HONG KONG LIMITED·Filed 2016·Granted Jun 2, 2020·0 cites·8 claims
- 2442US9618218B2Air conditionerNAITO KOJI·Filed 2012·Granted Apr 11, 2017·0 cites·6 claims
- 2536US5065588AAir-conditioner systemHITACHI LTD·Filed 1990·Granted Nov 19, 1991·9 cites·5 claims
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