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Inventor

Yoichi Tsuda

Inventor
Tokyo, JP

Overview

17→
Patents
1996–2010
Patent span
Chemistry
Primary field (CPC C)

Patents· 17 as inventor

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

C22Cprimary
C22CAlloys23%
C21DModifying the physical structure of ferrous metals11%
F01DNon-positive displacement machines or engines, e.g. steam turbines11%
F01KSteam engine plants5%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants5%
F25BRefrigeration machines, plants or systems5%
G02BOptical elements, systems or apparatus5%
G11BInformation storage based on relative movement between record carrier and transducer5%
H10NElectric solid-state devices not otherwise provided for5%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%
PatentTitleYear
7,850,424'Steam turbine power plant'20107,490,959'Light emitting apparatus, backlight apparatus, and electronic apparatus'20097,327,026'Vacuum diode-type electronic heat pump device and electronic equipment having the same'20087,238,005'Steam turbine power plant'20077,211,891'Electronic heat pump device, laser component, optical pickup and electronic equipment'20077,042,819'Optical pickup apparatus'20066,821,360'Heat-resisting steel, method for thermally treating heat-resisting steel, and components made of heat-resisting steel'20046,499,946'Steam turbine rotor and manufacturing method thereof'20026,494,970'Heat resistant steel casting and method of manufacturing the same'20026,368,057'Steam turbine'20026,193,469'High toughness heat-resistant steel, turbine rotor and method of producing the same'20016,018,282'Voltage-controlled variable-passband filter and high-frequency circuit module incorporating same'20005,779,821'Rotor for steam turbine and manufacturing method thereof'19985,716,468'Process for producing high-and low-pressure integral-type turbine rotor'19985,611,873'High pressure-low pressure single cylinder turbine rotor and method of making'19975,560,788'Heat resisting steels'19965,546,496'Light emitting display device having light receiving element for receiving light from light emitting element and self-holding and optical passage for guiding drive light to the light receiving element'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2009Patents assigned to SHARP KK (6)· patent assignee history
1996–1998Patents assigned to JAPAN STEEL WORKS LTD (2)· patent assignee history
1996Patents assigned to TOSHIBA CORP (1)· patent assignee history
1996–2000Based in Tenri, JP· patent location history
1996–1998Based in Yokohama, JP· patent location history
1997–2010Patents assigned to TOSHIBA KK (10)· patent assignee history
1997–2010Based in Tokyo, JP· patent location history
2007–2008Based in Kashihara, JP· patent location history
2009Based in Mihara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK101997–2010
SHARP KK61996–2009
JAPAN STEEL WORKS LTD21996–1998
TOSHIBA CORP11996
Locations
LocationPatentsSpan
Tokyo, JP81997–2010
Kashihara, JP22007–2008
Tenri, JP21996–2000
Yokohama, JP21996–1998
Mihara, JP12009