Inventor
Kazumoto Urata
Inventor
Shizuoka, JP
Overview
Patents· 25 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F25Bprimary
F25BRefrigeration machines, plants or systems33%
F24FAir-conditioning21%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications12%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids8%
H02KDynamo-electric machines8%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact5%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application5%
G05BControl or regulating systems in general3%
C09KMaterials for miscellaneous applications, not provided for elsewhere2%
G01NInvestigating or analysing materials by determining their chemical or physical properties2%
PatentTitleYear
10,989,433Air conditioner202110,907,902Heat exchanger202110,895,393Variable refrigerant flow system with pressure optimization using extremum-seeking control202110,670,311Heat exchanger202010,655,878Variable refrigerant flow system with sub-cooling temperature optimization using extremum-seeking control202010,557,648Cooling/heating switching unit and air conditioner including the same202010,527,322Air conditioner202010,473,353Air conditioner and defrosting operation method therefor201910,274,211Air conditioner201910,222,108Air conditioner201910,054,377Air conditioner20189,618,218'Air conditioner'20177,007,505'Refrigerating device'20066,772,607'Refrigerating device'20046,505,480'Air-conditioner, outdoor unit and refrigeration unit'20036,408,645'Air-conditioner, outdoor unit and refrigeration unit'20026,305,187'Air-conditioner, outdoor unit and refrigeration unit'20015,829,262'Capacity control device in refrigerating cycle'19985,768,902'Refrigeration cycle and method of controlling the same'19985,709,090'Refrigerating system and operating method thereof'19985,651,263'Refrigeration cycle and method of controlling the same'19975,410,887'Apparatus for detecting composition of refrigerant and method therefor'19955,353,604'Refrigeration cycle'19945,214,918'Refrigerator and method for indicating refrigerant amount'19935,065,588'Air-conditioner system'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2004Patents assigned to HITACHI LTD (10)· patent assignee history
1991–2021Based in Shizuoka, JP· patent location history
2001Based in Marunouchi, JP· patent location history
2017Patents assigned to FURUTA YUKI (1)· patent assignee history
2017–2021Based in Tokyo, JP· patent location history
2018–2021Patents assigned to HITACHI JOHNSON CONTROLS AIR CONDITIONING INC (9)· patent assignee history
2018–2021Patents assigned to JOHNSON CONTROLS HITACHI AIR CONDITIONING TECH HONG KONG LIMITED (5)· patent assignee history
2020–2021Patents assigned to JOHNSON CONTROLS TECH CO (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 10 | 1991–2004 |
| HITACHI JOHNSON CONTROLS AIR CONDITIONING INC | 9 | 2018–2021 |
| JOHNSON CONTROLS HITACHI AIR CONDITIONING TECH HONG KONG LIMITED | 5 | 2018–2021 |
| JOHNSON CONTROLS TECH CO | 2 | 2020–2021 |
| FURUTA YUKI | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Shizuoka, JP | 14 | 1991–2021 |
| Tokyo, JP | 10 | 2017–2021 |
| Marunouchi, JP | 1 | 2001 |