Inventor

Yorihide Segawa

Inventor

Hitachi, JP

Overview

1981–1992

Patent span

Mechanical engineering

Primary field (CPC F)

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

F01Dprimary

F01DNon-positive displacement machines or engines, e.g. steam turbines14%

F04DNon-positive-displacement pumps14%

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants14%

F23RGenerating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers14%

G21CNuclear reactors14%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution14%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1981–1992Patents assigned to HITACHI LTD (3)· patent assignee history

1981–1992Based in Hitachi, JP· patent location history

1992Patents assigned to HITACHI ENG CO LTD (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	3	1981–1992
HITACHI ENG CO LTD	1	1992

Locations

Location	Patents	Span
Hitachi, JP	3	1981–1992