Inventor

Nobuhiro Seiki

Inventor

Hitachi, JP

Overview

1989–2008

Patent span

Mechanical engineering

Primary field (CPC F)

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

F02Cprimary

F02CGas-turbine plants16%

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants16%

F01KSteam engine plants10%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact10%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application10%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution10%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%

C01BNon-metallic elements6%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy4%

Y02TClimate change mitigation technologies related to transportation4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1989–2008Patents assigned to HITACHI LTD (11)· patent assignee history

1989–2008Based in Hitachi, JP· patent location history

2007Based in Hikari, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	11	1989–2008

Locations

Location	Patents	Span
Hitachi, JP	10	1989–2008
Hikari, JP	1	2007