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Inventor

Hideo Usui

Inventor
Katsuta, JP

Overview

4→
Patents
1977–1989
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F04Bprimary
F04BPositive-displacement machines for liquids33%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles17%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof17%
F24FAir-conditioning17%
G05DSystems for controlling or regulating non-electric variables17%
PatentTitleYear
4,815,943'Variable displacement wobble plate compressor with capacity control valve'19894,649,709'Temperature control method and apparatus for air conditioner'19874,321,019'Swash plate type compressor'19824,005,161'Variable stage type carburetor'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1989Patents assigned to HITACHI LTD (4)· patent assignee history
1977Based in Hitachi, JP· patent location history
1982–1989Based in Katsuta, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD41977–1989
Locations
LocationPatentsSpan
Katsuta, JP31982–1989
Hitachi, JP11977