LexDanaLexDanabeta
Inventor

Akira Sakai

Inventor
Osaka, JP

Overview

173→
Patents
1978–2020
Patent span
Physics
Primary field (CPC G)

Patents· 173 as inventor

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

G02Fprimary
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein14%
G02BOptical elements, systems or apparatus9%
H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
B60TVehicle brake control systems or parts thereof6%
C23CCoating metallic material6%
Y02PClimate change mitigation technologies in the production or processing of goods6%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h106%
Y10TTechnical subjects covered by former us classification4%
G06FElectric digital data processing2%
PatentTitleYear
10,845,648Switching mirror panel and switching mirror device202010,839,127Temperature calculation method, information processing device, and non-transitory recording medium storing temperature calculation program202010,802,344Liquid crystal display device and method for manufacturing liquid crystal display device202010,802,187Circularly polarizing plate, display device, and multilayer retarder202010,802,343Low reflectivity LCD with COP retarder and COP matching RM202010,795,197Liquid crystal panel202010,782,556Sunlight readable LCD with uniform in-cell retarder202010,744,988Reservoir tank202010,734,900Converter device, motor drive device, refrigerator, air conditioner, and heat-pump water heater202010,725,336Liquid crystal display panel and liquid crystal display device202010,693,377Converter device202010,678,087Liquid crystal display panel and liquid crystal display device202010,670,911Liquid crystal display panel and liquid crystal display device202010,656,467Liquid crystal module202010,591,767Sunlight readable LCD with uniform in-cell retarder202010,437,106Liquid crystal display panel wherein a thickness direction retardation of at least one of a first, second, third, and fourth phase difference plate has a negative value201910,394,079Liquid crystal display panel201910,269,305Mirror display201910,254,455Mirror display and mirror display unit201910,234,727Mirror display comprising a half mirror plate including a reflective polarizer and a polarization conversion layer201910,180,594Mirror display201910,175,519Mirror display having touch panel201910,146,086Mirror display, half mirror plate, and electronic device201810,148,942Mirror display system201810,146,093Mirror display201810,054,818Mirror plate and mirror display201810,042,201Liquid crystal display device201810,012,866Mirror display and electronic device20189,971,193Liquid crystal display panel20189,746,072'Oil pressure control device'20179,744,957'Braking device for vehicle'20179,683,584'Brake device for vehicle'20179,684,204'Mirror display, half mirror plate, and electronic device'20179,575,364'Liquid crystal display'20179,566,971'Hydraulic-pressure producing device and hydraulic brake system'20179,499,147'Vehicle brake system'20169,494,172'Vehicle brake device'20169,429,791'Liquid crystal display device'20169,365,198'Braking device for vehicle'20169,366,915'LCD panel, electronic device, and method for producing LCD panel'20169,360,697'Liquid-crystal display panel and liquid-crystal display device'20169,348,176'Liquid crystal display device'20169,346,442'Cylinder device and hydraulic brake system'20169,333,960'Vehicle braking control device'20169,274,376'Liquid crystal display device'20169,272,694'Hydraulic braking system'20169,238,453'Master cylinder device'20169,210,412'Active shutter glasses and a stereoscopic image projection system wherein viewing angles of a shutter section for the left and right eyes are wider on right and left sides than on upper and lower sides'20159,163,645'Vehicle brake system'20159,104,037'Liquid crystal display device'20159,076,925'Thermoelectric material, method for producing the same, and thermoelectric conversion module using the same'20159,019,451'Liquid-crystal display device'20158,991,939'Brake control device'20158,985,283'Vehicle brake apparatus'20158,964,136'Active shutter glasses comprising a half-wave plate disposed at an outer side of a linear polarizing element and a stereoscopic image projection system'20158,913,217'Liquid crystal display device'20148,814,369'Optical member with plate-crystal film, method for producing same, and optical system'20148,633,290'Optical resin, optical resin composition, optical film, and film'20148,619,205'Three-dimensional video recognition system, video display device and active shutter glasses'20138,531,765'Circularly polarizing plate and display device'20138,488,091'Liquid crystal display device'20138,416,377'Liquid crystal display device with birefringent layers'20138,314,908'Liquid crystal display device with quarter plates and birefringent layers and liquid crystal having substantially vertical alignments in black state'20128,284,358'Retardation film, polarizing film, liquid crystal display, and method of designing retardation film'20128,237,899'Liquid crystal display device'20128,194,212'Liquid crystal display device with quarter plates and birefringent layers and liquid crystal having substantially vertical alignments in black state'20128,179,508'Liquid crystal display device having first and second polarizers and first and second birefringent layers'20128,174,650'Liquid crystal display device having first and second birefringent layers and first and second quarter-wave plates'20128,139,188'Retardation film, polarizing film, liquid crystal display, and method of designing retardation film'20128,102,491'Liquid crystal apparatus and method of producing the same'20128,035,775'Polarization control system and display device'20118,031,308'Retardation film, polarizing film, liquid crystal display, and method of designing retardation film'20118,013,954'Liquid crystal display'20117,999,893'Complex birefringent medium, polarizing plate, and liquid crystal device'20117,961,283'Manufacturing method of liquid crystal panel and deuterium, hydrogen deuteride, or tritium treatment of alignment film'20117,950,749'Vehicle control apparatus and vehicle control method'20117,948,591'Retardation film, polarizing film, liquid crystal display, and method of designing retardation film'20117,933,672'Shape detailing device, shape detailing method, computer program product, mechanical CAD machine, and method of manufacturing three-dimensional structure'20117,800,719'Display'20107,777,848'Manufacturing method of liquid crystal panel and deuterium oxide surface treatment method of alignment film'20107,748,842'Rim of spectacle'20107,683,986'Anisotropic scattering film for improving the viewing angle dependency of a liquid crystal display'20107,548,289'LCD device with film member attached to polarizing element and satisfies a predetermined contast ratio to be equal or greater than 0.025 for all azimuth angels'20097,085,382'Communication device, communication device set, authentication method and method of wireless-connecting terminals'20067,074,676'Memory film, method of manufacturing the memory film, memory element, semiconductor storage device, semiconductor integrated circuit, and portable electronic equipment'20067,030,000'Method for fabricating a metallic oxide of high dielectric constant, metallic oxide of high dielectric constant, gate insulating film and semiconductor element'20066,992,827'Antiglare film, method for fabricating the same, polarizer element and display device employing the same, and internal diffusion film'20066,988,036'Navigation terminal, navigation system, navigation program and drive guide method'20066,957,482'Space forming apparatus for a slide fastener chain'20056,928,365'Navigation apparatus, navigation method, navigation program and recording medium storing the program'20056,913,326'Apparatus for increasing brake cylinder pressure by controlling pump motor and reducing the pressure by controlling electric energy applied to control valve'20056,895,665'Method of manufacturing a housing for electronic parts'20056,897,559'Silicon-based thin film forming apparatus, silicon-based thin film forming method and semiconductor element'20056,876,415'Display apparatus'20056,858,308'Semiconductor element, and method of forming silicon-based film'20056,855,621'Method of forming silicon-based thin film, method of forming silicon-based semiconductor layer, and photovoltaic element'20056,826,474'Communication navigation system and method, communication center apparatus, communication navigation terminal, program storage device and computer data signal embodied in carrier wave'20046,794,275'Process for forming a silicon-based film on a substrate using a temperature gradient across the substrate axis'20046,737,123'Silicon-based film formation process, silicon-based film, semiconductor device, and silicon-based film formation system'20046,653,165'Methods of forming semiconductor element, and semiconductor elements'20036,636,774'CAD supporting apparatus, and CAD supporting program storage medium'20036,530,341'Deposition apparatus for manufacturing thin film'20036,495,392'Process for producing a semiconductor device'20026,477,438'DESIGN SUPPORT APPARATUS, DEVICE ENVIRONMENTAL IMPACT ASSESSMENT APPARATUS AND COMPUTER-READABLE RECORDING MEDIUM RECORDED WITH A PROGRAM FOR CAUSING A COMPUTER TO SUPPORT CAD SYSTEM DESIGNING A DEVICE'20026,472,296'Fabrication of photovoltaic cell by plasma process'20026,436,797'Apparatus and method for forming a deposited film on a substrate'20026,399,411'Method for forming non-single-crystal semiconductor thin film, and method for producing photovoltaic device'20026,368,944'Method of manufacturing photovoltaic element and apparatus therefor'20026,313,430'Plasma processing apparatus and plasma processing method'20016,306,267'Method of producing a photovoltaic device using a sputtering method'20016,287,943'Deposition of semiconductor layer by plasma process'20016,271,055'Process for manufacturing semiconductor element using non-monocrystalline semiconductor layers of first and second conductivity types and amorphous and microcrystalline I-type semiconductor layers'20016,252,261'GaN crystal film, a group III element nitride semiconductor wafer and a manufacturing process therefor'20016,231,134'Vehicle braking system having frictional and regenerative braking devices'20016,164,734'Vehicle hydraulic braking system having reservoir for storing fluid discharged from brake cylinder through pressure control valve device'20006,162,988'Photovoltaic element'20006,159,300'Apparatus for forming non-single-crystal semiconductor thin film, method for forming non-single-crystal semiconductor thin film, and method for producing photovoltaic device'20006,159,763'Method and device for forming semiconductor thin film, and method and device for forming photovoltaic element'20006,153,013'Deposited-film-forming apparatus'20006,142,586'Brake force control apparatus'20006,123,397'Brake fluid pressure control device'20006,093,290'Method of generating a reciprocating plurality of magnetic fluxes on a target'20006,007,164'Brake fluid pressure control apparatus for compensating a malfunction of brake operational force sensor'19995,992,949'Hydraulic brake control apparatus'19995,984,432'Pressure control apparatus including seating valve controlled by electric current incremented upon valve opening depending upon pressure difference across the valve'19995,979,997'Hydraulic brake control apparatus'19995,968,274'Continuous forming method for functional deposited films and deposition apparatus'19995,951,120'Hydraulic brake control apparatus'19995,946,587'Continuous forming method for functional deposited films'19995,927,994'Method for manufacturing thin film'19995,919,310'Continuously film-forming apparatus provided with improved gas gate means'19995,897,332'Method for manufacturing photoelectric conversion element'19995,895,100'Brake apparatus for an electric vehicle to maximize regenerative energy'19995,894,793'Screen printing machine with control means for separating a screen from a printing material'19995,893,325'Screen printing apparatus'19995,846,320'Method for forming crystal and crystal article obtained by said method'19985,787,565'Continuous rolling method'19985,774,973'Continuous rolling method of cast billets'19985,769,963'Photovoltaic device'19985,751,577'Production data preparing system for producing a metal mask plate'19985,720,826'Photovoltaic element and fabrication process thereof'19985,709,585'Method and apparatus for removing burrs from joined billets in a continuous rolling process'19985,593,497'Method for forming a deposited film'19975,589,007'Photovoltaic elements and process and apparatus for their formation'19965,548,986'Method and apparatus for simultaneously forming at least four metal rounds'1996D0364387'Portable personal computer'19955,439,844'Process for forming deposited film'19955,422,520'Switching control device'19955,385,863'Method of manufacturing polysilicon film including recrystallization of an amorphous film'1995D0353803'Portable personal computer'19945,367,279'Overcurrent protection device'19945,350,680'Cephalosporinase testing agent'1994D0349484'Double capacity battery for portable personal computer'1994D0342486'Control unit for an electronic computer'19935,246,886'Process for depositing a silicon-containing polycrystalline film on a substrate by way of growing Ge-crystalline nucleus'19935,227,222'In-mold decorated illumination panel'19935,008,726'PIN junction photovoltaic element containing Zn, Se, Te, H in an amount of 1 to 4 atomic %'19914,959,106'Photovoltaic element with a semiconductor layer comprising non-single crystal material containing at least ZN, SE and H in an amount of 1 to 4 atomic %'19904,939,363'Scanning tunneling microscope'19904,926,229'Pin junction photovoltaic element with P or N-type semiconductor layer comprising non-single crystal material containing Zn, Se, H in an amount of 1 to 4 atomic % and a dopant and I-type semiconductor layer comprising non-single crystal Si(H,F) material'19904,888,062'Pin junction photovoltaic element having I-type semiconductor layer comprising non-single crystal material containing at least Zn, Se and H in an amount of 1 to 4 atomic %'19894,877,650'Method for forming deposited film'19894,873,125'Method for forming deposited film'19894,851,302'Functional ZnSe:H deposited films'19894,842,897'Method for forming deposited film'1989D0301555'Digital counter for potentiometer'1989D0297421'Digital counter for potentiometer'19884,644,110'Dip switch having single terminal-contact support wafer'19874,488,450'Device for releasably securing a finely angularly adjusted shaft'19844,235,481'Bearing device for internal combustion engine'19804,203,297'Governing system for use in sliding-pressure type turbine power plant'19804,187,685'Method and system for effecting control governing of a steam turbine'19804,106,286'Waste heat recovery boiler apparatus'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–2020Based in Tokyo, JP· patent location history
1989–2014Patents assigned to CANON KK (45)· patent assignee history
1999–2020Patents assigned to TOYOTA MOTOR CO LTD (25)· patent assignee history
1999–2012Based in Kyoto, JP· patent location history
1999–2020Based in Toyota, JP· patent location history
2005–2020Patents assigned to SHARP KK (59)· patent assignee history
2010–2017Patents assigned to SAKAI AKIRA (29)· patent assignee history
2011–2020Based in Osaka, JP· patent location history
2015–2020Patents assigned to ADVICS CO LTD (11)· patent assignee history
2018–2020Based in Sakai, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHARP KK592005–2020
CANON KK451989–2014
SAKAI AKIRAself292010–2017
TOYOTA MOTOR CO LTD251999–2020
ADVICS CO LTD112015–2020
Locations
LocationPatentsSpan
Osaka, JP292011–2020
Kyoto, JP271999–2012
Toyota, JP251999–2020
Sakai, JP192018–2020
Tokyo, JP151980–2020