Inventor

Masataka Ohta

Inventor
Osaka, JP

Overview

27→
Patents
1984–2014
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 27 as inventor

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

F23Rprimary
F23RGenerating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers21%
B82YSpecific uses or applications of nanostructures9%
F23DBurners9%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light9%
H10HInorganic light-emitting semiconductor devices having potential barriers9%
H04WWireless communication networks6%
C30BSingle-crystal growth4%
G06KGraphical data reading4%
G11BInformation storage based on relative movement between record carrier and transducer4%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h104%
PatentTitleYear
8,823,033'Nitride semiconductor ultraviolet light-emitting device'20148,742,444'Semiconductor light-emitting device'20148,698,168'Semiconductor device having aluminum nitride layer with void formed therein'20148,664,688'Nitride semiconductor light-emitting chip, method of manufacture thereof, and semiconductor optical device'20148,408,002'Gas turbine combustor'20138,344,413'Nitride semiconductor wafer, nitride semiconductor chip, and method of manufacture of nitride semiconductor chip'20138,311,070'Nitride semiconductor laser device'20128,085,826'Nitride semiconductor laser device'20117,797,942'Gas turbine combustor having multiple independently operable burners and staging method thereof'20107,694,521'Installation structure of pilot nozzle of combustor'20107,669,421'Combustor of gas turbine with concentric swirler vanes'20106,839,558'Integrated control system for radio service areas of base stations in mobile communication system'20056,765,850'Optical disc apparatus and information recording apparatus using the optical disc apparatus'20046,668,557'Pilot nozzle of gas turbine combustor'20036,662,547'Combustor'20036,502,399'Three-dimensional swirler in a gas turbine combustor'20036,460,339'Gas turbine fuel injector with unequal fuel distribution'20026,434,945'Dual fuel nozzle'20026,336,034'Integrated control system for radio service areas of base stations in mobile communication system'20026,301,900'Gas turbine combustor with fuel and air swirler'20016,278,712'Network and switching node in which resource can be reserved'20016,112,081'Integrated control system for radio service areas of base stations in mobile communication system'20004,899,072'Pulse motor'19904,757,206'Bar code reading method and apparatus'19884,687,912'Bar code reading method and apparatus'19874,661,421'Method for preparing a magnetic recording medium'19874,446,789'Dot matrix printer'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1988Based in Kanagawa, JP· patent location history
2000–2005Patents assigned to HITACHI LTD (4)· patent assignee history
2000–2005Based in Machida, JP· patent location history
2001–2013Patents assigned to MITSUBISHI HEAVY IND LTD (10)· patent assignee history
2001–2010Based in Takasago, JP· patent location history
2003–2013Based in Hyogo, JP· patent location history
2011–2014Patents assigned to OHTA MASATAKA (8)· patent assignee history
2011–2014Patents assigned to SHARP KK (7)· patent assignee history
2011–2014Based in Osaka, JP· patent location history
2013–2014Patents assigned to KAMIKAWA TAKESHI (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI HEAVY IND LTD102001–2013
OHTA MASATAKAself82011–2014
SHARP KK72011–2014
HITACHI LTD42000–2005
KAMIKAWA TAKESHI32013–2014
Locations
LocationPatentsSpan
Osaka, JP72011–2014
Takasago, JP62001–2010
Hyogo, JP42003–2013
Machida, JP42000–2005
Kanagawa, JP41984–1988