Inventor
Kosaku Sayo
Inventor
Katsuta, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Dprimary
F16DCouplings for transmitting rotation22%
Y10TTechnical subjects covered by former us classification22%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels13%
F25BRefrigeration machines, plants or systems13%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications9%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material4%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles4%
F04BPositive-displacement machines for liquids4%
G01FMeasuring volume, volume flow, mass flow or liquid level4%
H01FMagnets4%
PatentTitleYear
4,815,943'Variable displacement wobble plate compressor with capacity control valve'19894,653,288'Apparatus for measuring refrigerant flow rate in refrigeration cycle'19874,617,804'Refrigerant flow control device'19864,618,092'Refrigerant flow rate control device'19864,413,717'Electromagnetic clutch and method of manufacture'19834,305,198'Method of making an electromagnetic clutch'19814,295,553'Electromagnetic clutch'19814,290,295'Method of making V-grooved pulley assembly'19814,150,738'Electromagnetic clutch'19793,995,244'Exciting device for use in electromagnetic clutch and a method for manufacturing same'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1989Patents assigned to HITACHI LTD (10)· patent assignee history
1976–1989Based in Katsuta, JP· patent location history
1981Based in Ibaraki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 10 | 1976–1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Katsuta, JP | 9 | 1976–1989 |
| Ibaraki, JP | 1 | 1981 |