Inventor

Motoaki Utamura

Inventor

Hitachi, JP

Overview

1979–2013

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 39 as inventor

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

Y02Eprimary

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution27%

F02CGas-turbine plants24%

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants11%

F01KSteam engine plants10%

Y02TClimate change mitigation technologies related to transportation8%

F04DNon-positive-displacement pumps7%

G21CNuclear reactors5%

F01DNon-positive displacement machines or engines, e.g. steam turbines3%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters2%

B64GCosmonautics1%

PatentTitleYear

8,359,861'Solar heat collector, sunlight collecting reflector, sunlight collecting system and solar energy utilization system'2013 7,441,399'Gas turbine, combined cycle plant and compressor'2008 7,404,287'Gas turbine, combined cycle plant and compressor'2008 7,040,083'Gas turbine having water injection unit'2006 RE039092'Gas turbine with water injection'2006 RE038831'Gas turbine having water spray injection control'2005 6,779,332'Gas turbine'2004 6,711,888'Gas turbine'2004 6,705,074'Gas turbine with water injection'2004 6,609,360'Gas turbine, combined cycle plant and compressor'2003 6,598,402'Exhaust gas recirculation type combined plant'2003 6,598,401'Gas turbine combined cycle plant and compressor'2003 6,581,368'Gas turbine, combined cycle plant and compressor'2003 6,568,167'Gas turbine having water droplet injector'2003 6,568,168'Gas turbine having water spray injection control'2003 6,530,210'Gas turbine'2003 6,378,284'Gas turbine, combined cycle plant and compressor'2002 6,363,709'Exhaust gas recirculation type combined plant'2002 6,357,236'Gas turbine, combined cycle plant and compressor'2002 6,286,301'Gas turbine, combined cycle plant and compressor'2001 6,260,350'Gas turbine'2001 6,256,976'Exhaust gas recirculation type combined plant'2001 6,216,443'Gas turbine, combined cycle plant and compressor'2001 6,202,400'Gas turbine exhaust recirculation method and apparatus'2001 6,173,562'Exhaust recirculation type combined plant'2001 6,163,078'Adjustable speed gas turbine power generation apparatus and its operation method'2000 5,794,431'Exhaust recirculation type combined plant'1998 5,791,136'Combined-cycle power generation plant, including a gas turbine, an annual exhaust gas channel having swirl suppression vanes, and a heat recovery boiler'1998 5,758,502'Gas turbine intake air cooling system and operating method thereof'1998 5,675,188'Adjustable speed gas turbine power generation apparatus and its operation method independent of ambient temperature'1997 5,626,019'Gas turbine intake air cooling apparatus'1997 5,608,845'Method for diagnosing a remaining lifetime, apparatus for diagnosing a remaining lifetime, method for displaying remaining lifetime data, display apparatus and expert system'1997 5,270,551'Method of and apparatus for protecting electronic circuit against radiation'1993 5,132,075'Method and apparatus for water chemistry diagnosis of atomic power plant'1992 5,084,235'Direct cycle-type atomic power plant with means for suppressing transfer from a liquid phase to a vapor phase of radioactive nitrogen oxides'1992 5,015,436'Water-cooled direct cycle nuclear power plant'1991 4,734,249'Nuclear reactor start-up method'1988 4,663,116'Nuclear reactor'1987 4,147,587'Method for detecting the failure of nuclear fuel elements'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–2008Patents assigned to HITACHI LTD (38)· patent assignee history

1979–1988Based in Kitaibaraki, JP· patent location history

1991–2008Based in Hitachi, JP· patent location history

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

1998–2001Based in Ibaraki, JP· patent location history

2013Patents assigned to HASUIKE HIROSHI (1)· patent assignee history

2013Patents assigned to ISHIHARA HIDEYUKI (1)· patent assignee history

2013Patents assigned to TAKAMATSU TADAHIKO (1)· patent assignee history

2013Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	38	1979–2008
HASUIKE HIROSHI	1	2013
HITACHI ENG CO LTD	1	1992
ISHIHARA HIDEYUKI	1	2013
TAKAMATSU TADAHIKO	1	2013

Locations

Location	Patents	Span
Hitachi, JP	32	1991–2008
Ibaraki, JP	3	1998–2001
Kitaibaraki, JP	3	1979–1988
Tokyo, JP	1	2013