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Inventor

Tatsuo Itoh

Inventor
Osaka, JP

Overview

103→
Patents
1977–2021
Patent span
Physics
Primary field (CPC G)

Patents· 103 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus21%
H04NPictorial communication, e.g. television10%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them7%
H01PWaveguides6%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light4%
H01QAntennas, i.e. radio aerials3%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light2%
G06KGraphical data reading2%
G06FElectric digital data processing2%
PatentTitleYear
11,123,021Method for estimating physical condition, physical condition estimation apparatus, and non-transitory computer-readable recording medium202110,863,939Emotion estimating method, emotion estimating apparatus, and recording medium storing program202010,691,197Information presenting apparatus and control method therefor202010,641,509Thermal image sensor and user interface202010,615,473Polarization standing wave cavity assisted by anisotropic structures202010,371,402Sensor mounting device201910,360,459Detection device, detection method, and non-transitory computer-readable recording medium storing detection program201910,351,986Laundry washing machine and method for detecting attached substance20199,939,164Thermal image sensor and user interface20189,841,202'Sensor mounting device'20179,829,380Spectroscopic apparatus20179,787,907'Substance detection device'20179,502,761'Electrically small vertical split-ring resonator antennas'20169,366,575'Temperature measuring apparatus and temperature measuring method'20169,322,716'Component measuring apparatus and moving body'20169,253,475'Display device'20169,188,709'Optical multiplexing apparatus and projector'20159,048,611'Wavelength conversion device and image display device'20158,976,203'Wavelength conversion device and image display apparatus using same'20158,955,980'Image display apparatus which reduces speckle noise and which operates with low power consumption'20158,807,756'Laser projector for removing speckle noise'20148,804,247'Transmissive display device'20148,801,194'Projector with illumination control based on fixation degree'20148,801,189'Laser projector'20148,547,618'Beam scanning display apparatus'20138,456,588'Liquid crystal display backlight and liquid crystal display device using same'20138,432,353'Information display device'20138,416,363'Liquid crystal display backlight device and liquid crystal display'20138,416,033'Compact dual-band metamaterial-based hybrid ring coupler'20138,405,470'Diplexer synthesis using composite right/left-handed phase-advance/delay lines'20138,403,490'Beam scanning-type display device, method, program and integrated circuit'20138,405,469'Composite right/left (CRLH) couplers'20138,398,242'Display apparatus'20138,390,765'Liquid crystal display apparatus'20138,382,296'Information processor with projector'20138,379,172'Liquid crystal display device'20138,350,789'Image display apparatus'20138,351,108'Wavelength conversion laser and image display device'20138,325,406'Planar lighting apparatus and liquid crystal display device using the same'20128,317,386'Laser-lit planar illumination device and LCD using such device'20128,317,338'Image display apparatus and image display method'20128,300,291'Optical scanning device and two-dimensional image display device using the same'20128,287,131'Wavelength conversion laser'20128,246,170'Display apparatus'20128,235,534'Projector that projects a correction image between cyclic main image signals'20128,233,113'Surface illumination apparatus and liquid crystal display using same'20128,233,117'Wavelength separator, planar illumination device and liquid crystal display device using the wavelength separator'20128,206,020'Planar illuminating device and liquid crystal display device using the same'20128,201,982'Planar illumination device and liquid crystal display device using the same'20128,192,030'Laser illuminating device and image display device'20128,184,238'Planar illumination device and liquid crystal display device using the same'20128,121,156'Solid-state laser device and image display device'20128,072,289'Composite right/left (CRLH) couplers'20118,072,291'Compact dual-band metamaterial-based hybrid ring coupler'20118,068,196'Surface illumination device and a liquid crystal display device using such a surface illumination device'20118,068,274'Wavelength conversion laser device and image display device using the same'20118,052,280'Laser display device branching a modulated laser beam that scans both beams to the same position at the same time on a screen'20118,054,412'Liquid crystal display device and liquid crystal display system'20118,040,458'Planar illumination device and liquid crystal display device using the same'20118,029,179'Planar illumination apparatus and liquid crystal display apparatus using the same'20118,029,141'Image display apparatus that controls luminance of a partial area of each pixel to be below threefold of an average luminance value of the entire pixel'20118,018,801'Optical information reproduction device'20117,997,737'Projection display device, and speckle reduction element'20117,988,305'Projection type display device and light source device'20117,967,452'Projection type display apparatus'20117,969,532'Surface illuminator and liquid crystal display using same'20117,954,962'Laser image display, and optical integrator and laser light source package used in such laser image display'20117,952,526'Compact dual-band resonator using anisotropic metamaterial'20117,948,579'Planar lighting device and liquid crystal display device using the same'20117,918,600'Planar illumination device and liquid crystal display device using the same'20117,911,386'Multi-band radiating elements with composite right/left-handed meta-material transmission line'20117,898,925'Information recording medium and optical information recording/reproducing apparatus'20117,859,610'Planar lighting and LCD device with a laser light source emitting a linearly-polarized laser beam, optical member to parallelize the beam and a plate-shaped light guide for emitting part of the beam'20107,853,223'Self-biased receiver system using a multi-fed antenna'20107,848,205'Information-recording medium and optical information-recording/reproducing device'20107,798,660'Surface illumination apparatus, and liquid crystal display with the same'20107,787,347'Optical head device and optical information processor'20107,764,589'Confocal optical system aperture detector that measures a light quantity balance of light received to detect a position displacement, and a confocal optical system aperture position controller, an optical head and a position detecting method performing the same'20107,740,392'Surface illumination apparatus and liquid crystal display'20107,697,577'Wavelength conversion apparatus and two-dimensional image display apparatus'20107,675,384'Composite right/left handed (CRLH) hybrid-ring couplers'20107,667,555'Composite right/left handed (CRLH) branch-line couplers'20107,643,194'Image forming apparatus'20107,508,283'Composite right/left handed (CRLH) couplers'20097,482,893'Power combiners using meta-material composite right/left hand transmission line at infinite wavelength frequency'20097,477,407'Confocal optical device and spherical-aberration correction method'20097,446,712'Composite right/left-handed transmission line based compact resonant antenna for RF module integration'20087,405,922'Double layer capacitor'20087,391,288'Zeroeth-order resonator'20087,350,880'Anti-lock brake system for vehicles'20087,330,090'Zeroeth-order resonator'20087,040,716'Anti-lock brake system for vehicles'20066,856,788'Wireless IC interconnection method and system'20056,518,930'Low-profile cavity-backed slot antenna using a uniplanar compact photonic band-gap substrate'20035,572,014'Highly efficient, ultrafast optical-to-electrical converter and method of operating the same'19965,525,993'Microwave noncontact identification transponder using subharmonic interrogation and method of using the same'19965,223,957'Optical scanning device'19935,010,561'Circuit for multiplying the frequency in one series of input pulses'19915,008,802'Dynamic input method and apparatus for programmable controller'19915,005,938'Optical wavelength convertical apparatus'19914,914,407'Crosstie overlay slow-wave structure and components made thereof for monolithic integrated circuits and optical modulators'19904,509,209'Quasi-optical polarization duplexed balanced mixer'19854,028,643'Waveguide having strip dielectric structure'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–1990Based in Austin, TX, US· patent location history
1991–2021Based in Osaka, JP· patent location history
1996–2020Patents assigned to UNIV CALIFORNIA (20)· patent assignee history
1996–2010Based in Los Angeles, CA, US· patent location history
2006–2008Based in Sagamihara, JP· patent location history
2008–2016Based in Rolling Hills, CA, US· patent location history
2009–2015Patents assigned to PANASONIC CORP (55)· patent assignee history
2011–2016Patents assigned to ITOH TATSUO (41)· patent assignee history
2011–2014Patents assigned to YAMAMOTO KAZUHISA (17)· patent assignee history
2011–2015Patents assigned to MIZUSHIMA TETSURO (14)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PANASONIC CORP552009–2015
ITOH TATSUOself412011–2016
UNIV CALIFORNIA201996–2020
YAMAMOTO KAZUHISA172011–2014
MIZUSHIMA TETSURO142011–2015
Locations
LocationPatentsSpan
Osaka, JP741991–2021
Rolling Hills, California, US152008–2016
Los Angeles, California, US51996–2010
Sagamihara, JP32006–2008
Austin, Texas, US21985–1990