Inventor

Takeshi Ohta

Inventor
Oyama, JP

Overview

34→
Patents
1979–2020
Patent span
Physics
Primary field (CPC G)

Patents· 34 as inventor

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

H01Sprimary
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light23%
Y10TTechnical subjects covered by former us classification11%
B60CVehicle tyres7%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling5%
D07BRopes or cables in general5%
G11BInformation storage based on relative movement between record carrier and transducer5%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light4%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
G02BOptical elements, systems or apparatus4%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices4%
PatentTitleYear
10,615,565Line narrowed laser apparatus202010,394,133Laser unit management system201910,283,927Line narrowed laser apparatus201910,164,396Laser unit and non-transitory computer-readable storage medium20189,954,340Excimer laser apparatus and excimer laser system20189,882,343'Narrow band laser apparatus'20189,825,417'Laser unit and non-transitory computer-readable storage medium'20179,425,576'Excimer laser apparatus and excimer laser system'20169,403,720'Porous ceramic and method for producing same'20168,867,583'Excimer laser apparatus and excimer laser system'20148,848,501'Detection lens, lens unit, optical pickup device, optical disc device, computer, optical disc player and optical disc recorder'20148,473,972'Optical pickup and drive apparatus'20138,382,343'Electronic device'20138,311,066'Laser apparatus and extreme ultraviolet light source apparatus'20127,295,318'Apparatus and method for evaluating the interior quality of fruits and vegetables'20077,170,920'Laser device'20077,151,606'Method for evaluation of vegetables and fruits and evaluation apparatus therefor'20067,063,116'Pneumatic tire with monofilament metallic belt cords'20067,044,181'Studless tire having tread including fibers oriented in thickness direction'20066,731,666'Laser device'20046,637,487'Pneumatic tire'20036,520,232'Pneumatic tire with monofilament metallic belt cords'20036,243,163'Wavelength detector'20015,444,482'Digital electronic camera for selectively recording a frame of still image and movie fields of image in a recording medium'19955,300,956'Multibeam semiconductor laser array and multibeam laser printer'19945,253,062'Image displaying apparatus for reading and writing graphic data at substantially the same time'19934,797,052'Pallet exchange apparatus'19894,781,512'Pallet changing system for a machine tool'19884,685,850'Tool and workpiece change system'19874,628,458'Method of detecting lift of tool based upon cumulative machining distance'19864,454,312'Biaxially stretched polyester films'19844,440,924'Process for production of polyester'19844,367,935'Camera equipped with an automatic focus adjusting device'19834,179,854'Grinding machine with rest apparatus'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1989Patents assigned to TOYODA MACHINE WORKS LTD (5)· patent assignee history
1986–1989Based in Nishio, JP· patent location history
2001–2007Patents assigned to KOMATSU MFG CO LTD (3)· patent assignee history
2003–2006Patents assigned to SUMITOMO RUBBER IND (4)· patent assignee history
2003–2006Based in Toyonaka, JP· patent location history
2004–2020Based in Oyama, JP· patent location history
2012–2020Patents assigned to GIGAPHOTON INC (10)· patent assignee history
2012–2013Patents assigned to OHTA TAKESHI (3)· patent assignee history
2013–2014Based in Osaka, JP· patent location history
2014–2019Based in Tochigi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GIGAPHOTON INC102012–2020
TOYODA MACHINE WORKS LTD51979–1989
SUMITOMO RUBBER IND42003–2006
KOMATSU MFG CO LTD32001–2007
OHTA TAKESHIself32012–2013
Locations
LocationPatentsSpan
Oyama, JP72004–2020
Tochigi, JP52014–2019
Nishio, JP41986–1989
Osaka, JP32013–2014
Toyonaka, JP32003–2006