Inventor
Hajime Toriya
Inventor
Hitachi, JP
Overview
Patents· 25 as inventor
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 turbines26%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants17%
C22CAlloys10%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
C23CCoating metallic material5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
Y10TTechnical subjects covered by former us classification5%
F04DNon-positive-displacement pumps4%
F02CGas-turbine plants3%
F16JPistons3%
PatentTitleYear
8,801,373'High-reliability turbine metal sealing material'20148,591,194'Steam turbine rotor blade assembly'20138,500,397'Seals in steam turbine'20138,257,044'Steam turbine rotor blade assembly'20128,147,145'Journal bearing device'20128,128,351'Seals in steam turbine'20127,798,779'Steam turbine blade, and steam turbine and steam turbine power plant using the blade'20107,632,066'Pipe for steam turbine, manufacturing process of same, main stream pipe and reheat pipe for steam turbine, and steam turbine power plant using those pipes'20096,574,966'Gas turbine for power generation'20036,546,713'Gas turbine for power generation, and combined power generation system'20036,092,989'Compressor for turbine and gas turbine'20005,906,096'Compressor for turbine and gas turbine'19995,840,434'Thermal stress relaxation type ceramic coated heat-resistant element and method for producing the same'19985,630,314'Thermal stress relaxation type ceramic coated heat-resistant element'19975,554,000'Blade profile for axial flow compressor'19965,507,623'Alloy-coated gas turbine blade and manufacturing method thereof'19965,428,953'Combined cycle gas turbine with high temperature alloy, monolithic compressor rotor'19955,395,212'Member having internal cooling passage'19955,360,318'Compressor for gas turbine and gas turbine'19945,239,831'Burner having one or more eddy generating devices'19935,121,596'Method of starting gas turbine'19924,880,354'Warming structure of gas turbine rotor'19894,875,170'Method and apparatus for estimating life expectancy of mechanical structures'19894,781,996'Fuel cell'19884,688,385'Method and an apparatus for starting a turbine having a shrinkage-fitted rotor'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2014Patents assigned to HITACHI LTD (25)· patent assignee history
1987–2014Based in Hitachi, JP· patent location history
2012–2014Patents assigned to TORIYA HAJIME (6)· patent assignee history
2012–2014Patents assigned to DOI HIROYUKI (3)· patent assignee history
2012–2014Patents assigned to NARITA KENJIRO (3)· patent assignee history
2012–2013Patents assigned to HAYASAKA YASUSHI (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 25 | 1987–2014 |
| TORIYA HAJIMEself | 6 | 2012–2014 |
| DOI HIROYUKI | 3 | 2012–2014 |
| NARITA KENJIRO | 3 | 2012–2014 |
| HAYASAKA YASUSHI | 2 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachi, JP | 25 | 1987–2014 |