Inventor
Seigo Miyamoto
Inventor
Takahagi, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F25Bprimary
F25BRefrigeration machines, plants or systems21%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact15%
C09KMaterials for miscellaneous applications, not provided for elsewhere12%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application9%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications9%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution9%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles6%
F24HFluid heaters, e.g. water or air heaters, having heat-generating means, e.g. heat pumps, in general3%
F25DRefrigerators3%
G01FMeasuring volume, volume flow, mass flow or liquid level3%
PatentTitleYear
5,101,640'Air conditioning apparatus, heat exchanger for use in the apparatus and apparatus control method'19924,756,362'Heat exchanger'19884,653,288'Apparatus for measuring refrigerant flow rate in refrigeration cycle'19874,617,804'Refrigerant flow control device'19864,618,092'Refrigerant flow rate control device'19864,612,974'Heat storage device'19864,604,223'Heat storage material'19864,585,573'Heat storage material and process for producing the same'19864,561,493'Heat-storing apparatus'19854,518,514'Heat storage material'19854,465,611'Heat storage material'19844,425,765'Air conditioner for automobiles'19844,230,470'Air conditioning system'19804,202,182'Multi-tube evaporator for a cooler used in an automobile'19804,085,596'Absorption refrigerator of double effect type'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1992Patents assigned to HITACHI LTD (15)· patent assignee history
1978–1986Based in Takahagi, JP· patent location history
1986–1992Based in Katsuta, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 15 | 1978–1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Takahagi, JP | 11 | 1978–1986 |
| Katsuta, JP | 4 | 1986–1992 |