LexDanaLexDanabeta
Inventor

Masahiro Maeda

Inventor
Osaka, JP

Overview

119→
Patents
1976–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 119 as inventor

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

G03Gprimary
G03GElectrography12%
B62DMotor vehicles9%
H03FAmplifiers7%
G06FElectric digital data processing6%
F21SNon-portable lighting devices6%
H04LTransmission of digital information, e.g. telegraphic communication6%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%
Y10TTechnical subjects covered by former us classification4%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters4%
G06VImage or video recognition or understanding3%
PatentTitleYear
11,133,643Laser apparatus including dew condensation prevention function202110,864,941Electric power steering apparatus202010,589,779Electric power steering apparatus202010,581,555Information processing device and burst error reproducing method202010,398,147Oven including variable-length baking region201910,274,068Spring assembly and lock-up device for torque converter including same201910,230,625Information processing apparatus, information processing system, and communication device201910,202,748Sanitary washing device and toilet apparatus201910,099,721Electric power steering apparatus201810,002,078Information processing apparatus, parallel computer system, and control method for controlling information processing apparatus20189,893,992'Communication apparatus, information processing apparatus, and method of controlling communication apparatus'20189,882,519'Motor control apparatus and electric power steering apparatus using the same'20189,840,272'Electric power steering apparatus'20179,796,411'Electric power steering apparatus'20179,755,888'Information processing device, information processing system, and communication device'20179,749,222'Parallel computer, node apparatus, and control method for the parallel computer'20179,641,446'Control method, information processing system, and information processing apparatus'20179,619,347'Systems and methods of fault management in electronic communications'20179,586,616'Electric power steering device'20179,542,313'Parallel computer system, control method of parallel computer system, information processing device, arithmetic processing device, and communication control device'20179,505,429'Electric power steering apparatus'20169,342,473'Parallel computer system, crossbar switch, and method of controlling parallel computer system according to selective transmission of data via ports of the crossbar switch'20169,336,172'Parallel computer system, data transfer device, and method for controlling parallel computer system for performing arbitration'20169,170,571'Position controller'20159,056,626'Electric power steering apparatus'20158,831,832'Motor control apparatus and electric power steering apparatus provided with the same'20148,825,301'Electric power steering apparatus'20148,803,455'Motor controlling apparatus and electric power steering apparatus using the same'20148,725,357'Motor control apparatus and electric power steering apparatus'20148,710,927'High-frequency power amplifier'20148,412,080'Developing roller manufacturing method, developing roller, developing device, and image forming apparatus'20138,368,459'Constant-voltage circuit'20138,338,379'Monoclonal antibody and use thereof'20128,279,010'Radio frequency power amplifier'20128,205,731'Lockup device, and fluid-type torque transmission device equipped with same'20128,175,504'Image forming apparatus and image forming method'20128,175,497'Image forming apparatus applying protective agent'20128,134,409'Radio frequency power amplifier'20128,126,355'Developing device with seal member that abuts toner carrier roller'20128,081,911'Development roller, development device, and image forming apparatus'20118,080,957'Motor control device and motor-driven power steering system using the same'20118,027,624'Developer apparatus, an image forming apparatus and an image forming method'20118,023,868'Development roller, development device, and image forming apparatus'20117,991,319'Image forming apparatus with seal member that abuts surface of toner carrier roller having convex and concave sections'20117,965,965'Development device and image forming apparatus'20117,960,758'Bipolar transistor and radio frequency amplifier circuit'20117,925,093'Image recognition apparatus'20117,925,195'Method of manufacturing toner carrier roller, developer apparatus, and image forming apparatus'20117,907,879'Development roller, development device, image forming apparatus, and method of manufacturing development roller'20117,904,012'Image carrier cleaning device, image carrier cleaning method, and image forming apparatus'20117,813,533'Operation-discerning apparatus and apparatus for discerning posture of subject'20107,810,607'Electric power steering apparatus'20107,807,157'Monoclonal antibodies and use thereof'20107,779,264'Authentication apparatus, authentication method and authentication computer program product'20107,759,890'Control device of electric power steering apparatus'20107,734,062'Action recognition apparatus and apparatus for recognizing attitude of object'20107,720,400'Image forming apparatus with cleaner that removes toner from intermediate transfer medium'20107,693,310'Moving object recognition apparatus for tracking a moving object based on photographed image'20107,664,412'Image forming apparatus that adjusts operating conditions based on a density detection result of a patch image'20107,646,915'Image recognition apparatus, image extraction apparatus, image extraction method, and program'20107,639,977'Image forming apparatus that performs charge elimination after secondary transfer to prevent winding of recording medium on intermediate transfer member'20097,609,990'Image forming apparatus that prevents toner from being jetted when cleaner blade or sealing member is separated from image carrier'20097,609,993'Image forming apparatus that prevents developer from spilling'20097,586,635'Method and apparatus for secure printing using facial recognition of a print job sent by the user over a distributed printing network that employs a server containing registration, facial data, and user identification information'20097,566,920'Bipolar transistor and power amplifier'20097,554,410'Power amplifier'20097,541,874'High-frequency power amplifier device'20097,456,657'Common input/output terminal control circuit'20087,409,171'Image forming apparatus and method having an intermediate transfer member with a multilayer structure that prevents abnormal images due to abnormal discharges'20087,331,742'Spindle unit of machine tool'20087,251,222'Procedures for merging the mediation device protocol with a network layer protocol'20077,216,065'Reflecting surface design system, reflecting surface design method, recording medium, and computer program'2007D0537110'Photoconductor cartridge'20077,171,476'Protocol and structure for self-organizing network'20077,154,336'High-frequency power amplifier'20067,136,784'Method of evaluating reflection performance of reflecting mirror, evaluation system for evaluating reflection performance of reflecting mirror, and computer-readable storage medium storing program for evaluating reflection performance of reflecting mirror'20067,065,310'Image forming apparatus that quickly removes ozone present in the vicinity of a corona charger'20067,030,715'High-frequency semiconductor device'20067,016,628'Image forming apparatus having device for charging a photosensitive body'20066,944,413'Image forming apparatus for preventing the adhesion of discharge products in a charger thereby preventing image defects'20056,917,773'Image forming apparatus'20056,884,009'Machine tool'20056,857,995'Tool exchange device for machine tool'20056,741,144'High-frequency semiconductor device'20046,621,347'RF power amplifier'20036,555,900'Package, semiconductor device and method for fabricating the semiconductor device'20036,493,096'Method of determining reflective surface of reflector in vehicle lamp'20026,454,443'Method of determining reflective surface of reflector in vehicle lamp'20026,301,122'Radio frequency module with thermally and electrically coupled metal film on insulating substrate'20016,223,561'Press mold for glass substrate'20016,201,445'High frequency power amplifier'20016,166,436'High frequency semiconductor device'20006,158,116'Radio frequency module and method for fabricating the radio frequency module'20006,097,612'Radio frequency module and method for fabricating the radio frequency module'20006,041,905'Coil spring assembly for a lock-up damper'20006,005,442'Divider/combiner'19995,966,256'Vehicle lamp with reflection mirror and a method of forming the same'19995,926,329'Reflection mirror for vehicle lamp and method of forming the same'19995,901,042'Package and semiconductor device'19995,836,668'Method of forming a reflection surface of a reflection mirror of a vehicle lamp'19985,838,543'Radio frequency power amplification module'19985,828,470'Color values processing apparatus capable of optimizing a processing description'19985,816,679'Vehicle lamp and method of manufacturing the same'19985,779,340'Vehicle lamp and method of manufacturing the same'19985,777,809'Reflection mirror for a vehicle lamp and a method of forming the same'19985,767,743'Radio frequency power amplifier having a tertiary harmonic wave feedback circuit'19985,736,901'Radio frequency amplifier with stable operation and restrained oscillation at low frequencies'19985,727,874'Vehicle lamp'19985,717,041'Suspension polymerization method and particles obtained therewith'19985,707,141'Vehicle lamp'19985,687,332'Image edit processing system'19975,608,017'Suspension polymerization method'19975,349,452'Image processing system capable of attaining color coincidence between input and output images'19945,346,798'Suspension polymerization method and toner for electrophotography obtained therewith'19945,271,007'Network system having controlled access to available resources'19934,520,230'Cross-linked polyethylene insulated power cable with improved electric breakdown strength and method for manufacturing the same'19854,278,334'Illumination control apparatus for projection device'19814,204,732'Focus adjusting mechanism for variable magnification device'19803,999,847'Carrier apparatus for microfilm'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2011Based in Kanagawa, JP· patent location history
1994–2002Based in Shizuoka, JP· patent location history
1998–2006Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (13)· patent assignee history
1998–2014Based in Osaka, JP· patent location history
2005–2013Patents assigned to SEIKO EPSON CORP (23)· patent assignee history
2008–2020Patents assigned to FUJITSU LTD (12)· patent assignee history
2009–2013Based in Matsumoto, JP· patent location history
2010–2020Patents assigned to NSK LTD (16)· patent assignee history
2011–2015Patents assigned to MAEDA MASAHIRO (15)· patent assignee history
2016–2020Based in Zama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEIKO EPSON CORP232005–2013
NSK LTD162010–2020
MAEDA MASAHIROself152011–2015
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD131998–2006
FUJITSU LTD122008–2020
Locations
LocationPatentsSpan
Osaka, JP231998–2014
Matsumoto, JP122009–2013
Shizuoka, JP121994–2002
Zama, JP112016–2020
Kanagawa, JP111993–2011