LexDanaLexDanabeta
Inventor

Akira Matsumoto

Inventor
Kanagawa, JP

Overview

179→
Patents
1976–2020
Patent span
Physics
Primary field (CPC G)

Patents· 179 as inventor

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

G03Gprimary
G03GElectrography10%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices6%
H04WWireless communication networks5%
C07DHeterocyclic compounds5%
C07CAcyclic or carbocyclic compounds4%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%
G02BOptical elements, systems or apparatus4%
G11BInformation storage based on relative movement between record carrier and transducer4%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
H04LTransmission of digital information, e.g. telegraphic communication3%
PatentTitleYear
10,804,309Photodetector202010,719,022Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge202010,580,817Photodetector202010,462,318Image reading apparatus with a resinous conductive sheet201910,446,601Photodetector201910,412,257Image reading apparatus201910,412,245Method of manufacturing light-transmitting member, light-transmitting member and image reading apparatus201910,356,844Communication device201910,347,673Solid state image sensor and electronic device201910,290,577Semiconductor device201910,244,558Transmission control of a wireless communication terminal with transmission loss and collision detection201910,197,933Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge201910,165,603Collision detection device, communication device, collision detection method, and program201810,082,742Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge201810,054,865Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge201810,026,689Semiconductor device20189,989,871Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge20189,989,872Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge20189,869,805'Infrared reflective film, and laminated glass employing same'20189,867,126'Wireless base station and wireless communication systems using the same'20189,860,403'Sheet feeding apparatus, and reading apparatus and image forming apparatus using the same'20189,835,962Electrostatic image-developing toner, electrostatic image developer, and toner cartridge20179,804,518'Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge'20179,793,196'Semiconductor device'20179,780,560'DC power supply system and control method'20179,776,817'Image reading device and image forming apparatus'20179,774,969'Microphone connecting device'20179,740,126'Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge'20179,712,701'Sheet conveyance device, image reading device, image forming apparatus, and sensor unit'20179,658,552'Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge'20179,624,171'Photoinitiator mixtures'20179,522,325'Storage medium storing a game program, game system, and game control method for displaying a target image in a separate frame'20169,523,935'Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge'20169,521,613'Wireless base station and wireless communication system using the same'20169,496,203'Semiconductor device'20169,452,357'Game system, game control method, and storage medium for customizing with regards to arrangement and size of panel image'20169,415,955'Recording apparatus'20169,415,598'Image forming apparatus'20169,403,387'Recording apparatus and recording method'20169,369,601'Image reading apparatus having a flexible flat cable'20169,310,703'Violet toner, developer, and toner set'20169,162,483'Recording apparatus'20159,114,177'Block copolymer having phenylboronic acid group introduced therein, and use thereof'20159,081,317'Positively chargeable toner, electrostatic charge image developer, toner cartridge, image forming method, and image forming apparatus'20159,054,073'Semiconductor device'20159,037,117'Wireless communication terminal'20159,030,945'Wireless communication device that is capable of improving data transmission efficiency, associated network, and method'20159,009,160'Information classification system'20158,962,229'Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method'20158,940,464'Oxime ester photoinitiators'20158,917,800'DC balance offset adjustable circuit and semiconductor device including the same'20148,911,921'Oxime ester photoinitiators'20148,879,402'Wireless communication device that is capable of improving data transmission efficiency'20148,852,838'Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method'20148,837,019'Sheet conveying apparatus, image reading apparatus, and image forming apparatus'20148,815,483'Magenta toner, toner set, magenta developer, toner cartridge, process cartridge, and image forming apparatus'20148,771,911'Magenta toner for electrophotography, developer, toner cartridge, process cartridge, image forming apparatus, and image forming method'20148,760,733'Image reading apparatus and image forming apparatus'20148,755,336'Wireless device which can improve stability in wireless communications and wireless network using the same'20148,747,166'Connector and connector set'20148,685,603'Electrostatic charge image developer, process cartridge and image forming apparatus'20148,679,713'Electrostatic image-developing toner, electrostatic image developer, toner cartridge, process cartridge, image-forming method, and image-forming apparatus'20148,668,871'Sensing device and biosensor'20148,658,741'Process for the post-modification of homo and copolymers prepared by controlled free radical polymerization processes'20148,598,044'Method of fabricating a semiconductor device'20138,592,112'Orange toner and toner cartridge for storing the same, orange developer and process cartridge for storing the same, color toner set, and image forming apparatus'20138,592,122'Developer for developing electrostatic latent image, developer cartridge for developing electrostatic latent image, process cartridge, and image formation apparatus'20138,586,268'Oxime ester photoinitiators'20138,586,276'Carrier for electrostatic latent image development, and developer for electrostatic latent image development, method of forming an image, developer cartridge for electrostatic latent image development, process cartridge and image forming apparatus using the same'20138,580,478'Latent acids and their use'20138,547,324'Electrophoretic display sheet, electrophoretic display apparatus, and electronic device'20138,547,148'Semiconductor device with dynamically calibrated oscillator'20138,524,425'Oxime ester photoinitiators'20138,507,726'Photoinitiator mixtures'20138,507,725'Oxime ester photoinitiators'20138,443,243'Semiconductor integrated circuit device and method for evaluating an eye-opening margin'20138,440,928'Rotary electronic component'20138,394,567'Toner, developer, toner cartridge, process cartridge, and image forming apparatus'20138,385,260'Wireless base station, communication system, belonging information management method and storage medium for storing program'20138,349,548'Oxime ester photoinitiators'20138,304,905'Semiconductor device'20128,241,822'Halogenated oxime derivatives and the use therof as latent acids'20128,236,371'Method of manufacturing electrophoretic display device, electrophoretic display device and electronic device'20128,238,020'Electrophoretic display sheet productions process, electrophoretic display sheet, electrophoretic display device, and electronic apparatus'20128,184,584'Wireless device which selects routes excluding loop routes and a mesh network including the same'20128,169,637'Device management system'20128,164,822'Display device, method of manufacturing display device and electronic apparatus'20128,116,688'Wireless apparatus, wireless communication system, control method, and control program'20128,095,138'Resource allocation apparatus, central control apparatus, wireless base station, wireless communication system, resource allocation method and resource allocation program in computer-readable medium'20128,084,703'Rotating operation type electronic component, and electronic device including the same'20118,063,506'Car power source apparatus'20118,045,485'Monitoring technique of a device connected to a network'20118,041,377'Radio device for preventing isolated radio devices in network'20118,000,714'Interference prediction apparatus, interference prediction method, and interference prediction program in computer-readable medium'20118,000,641'Image forming apparatus for electrophotographic imaging'20117,991,400'Wireless communication system, system controller, access point, station, communication control method and computer-readable medium storing communication control program'20117,972,771'Human brain carboxypeptidase B'20117,957,052'Display device, method of manufacturing display device and electronic apparatus'20117,939,234'Carrier for electrostatic image development, and image formation method and apparatus'20117,894,840'Method of simultaneously-connectible channel switching'20117,890,112'Radio device having fewer route disconnections and switchings by using control packets to maintain radio links'20117,879,260'Additive for anode material for lithium secondary battery, anode material for lithium secondary battery, anode and lithium secondary battery using the anode material for lithium secondary battery'20117,812,570'Current detection apparatus for a car power source'20107,791,753'Client computer, printer driver generation method, and printer driver retrieval method'20107,764,420'Display device, method of manufacturing display device and electronic apparatus'20107,713,669'Toner for developing electrostatic images, electrostatic image developer, and image-forming method'20107,588,874'Toner for developing electrostatic image used in electrophotography and process for producing the same'20097,524,934'Human brain carboxypeptidase B antibodies'20097,445,832'Ribboned polarization-maintaining fiber and manufacturing method therefor, and polarization-maintaining optical fiber array using the same'20087,432,030'Toner for developing electrostatic latent image, developer for developing electrostatic latent image, and process for producing toner for developing electrostatic latent image'20087,423,230'Rotary manipulation electronic device'20087,399,577'Halogenated oxime derivatives and the use thereof'20087,326,511'Sulfonate derivatives and the use thereof as latent acids'20087,300,735'Electrophotographic toner and production method therefor'20077,284,247'Optical disc driving apparatus'20077,284,248'Optical disc driving apparatus'20077,278,145'Optical disk driving apparatus'20077,267,920'Toner for developing electrostatic latent images, production method thereof, and electrostatic latent image developer using the same'20077,244,544'Oxime derivatives and the use thereof as latent acids'20077,234,148'Optical disc driving apparatus'20077,219,356'Optical disc driving apparatus'20077,123,355'Method for determining core positions of optical element array and an apparatus for determining core positions thereof'20067,100,176'Optical disk driving apparatus'20067,071,349'Purification method of N-(1(S)-ethoxycarbonyl-3-phenylpropyl)-L-alanine'20067,060,266'Human brain carboxypeptidase B'20067,026,094'Substituted oxime derivatives and the use thereof as latent acids'20066,986,981'Oxime derivatives and the use thereof as latent acids'20066,961,504'Optical fiber array'20056,950,583'Two-dimensional optical element array, two dimensional waveguide apparatus and methods for manufacturing the same'20056,929,896'Onium salts and the use therof as latent acids'20056,841,880'Semiconductor device and method of fabricating semiconductor device with high CMP uniformity and resistance to loss that occurs in dicing'20056,827,499'Method of manufacturing two-dimensional optical connector component'20046,826,347'Two-dimensional optical element array and two-dimensional waveguide apparatus'20046,815,148'Method of manufacturing a semiconductor device and designing a mask pattern'20046,798,969'Fiber array, method for fabricating the same and optical device using the fiber array'20046,768,861'Fiber array, and waveguide device'20046,722,958'Apparatus and process for recovering abrasive'20046,710,137'Resin composition for powder coating, powder coating, and article coated therewith'20046,673,850'Photoinitiators and their applications'20046,668,119'Substrate for mounting optical parts, method of manufacturing same, and assembly using the substrate'20036,633,082'Semiconductor device and method for manufacturing the semiconductor device'20036,596,445'O-acyloxime photoinitiators'20036,577,803'OPTICAL FIBER ARRAY HAVING AN OFFSET ANGLE BETWEEN AN END PORTION OF A SUBSTRATE PORTION HOUSING AT LEAST ONE STRAIGHT GROOVE AND THE AXIS OF THE HOUSED STRAIGHT GROOVE HOLDING AT LEAST ONE OPTICAL FIBER THEREIN'20036,555,282'Toner for developing electrostatic latent image, image forming method and image forming apparatus using the same'20036,514,856'Method for forming multi-layered interconnect structure'20036,491,924'Chlamydia pneumoniae antigenic polypeptide'20026,489,122'Method of detecting anti-Chlamydia pneumoniae antibody using Chlamydia pneumoniae-specific antigens'20026,489,081'Organosilyl radical generators and their applications'20026,485,914'Method of detecting chlamydia pneumoniae gene using polynucleotides'20026,485,885'Photopolymerizable thermosetting resin compositions'20026,468,707'Image-forming process and image-forming apparatus'20026,459,674'Disc changer apparatus with vibration free turntable'20026,372,628'Insulating film comprising amorphous carbon fluoride, a semiconductor device comprising such an insulating film, and a method for manufacturing the semiconductor device'20026,330,219'Disk recording/reproducing device'20016,285,170'Switching power supply'20016,218,287'Method of fabricating a semiconductor structure'20016,212,156'Disc changer apparatus with vibration free turntable'20016,191,965'Switching power supply'20016,165,478'DNA encoding Chlamydia pneumoniae antigenic polypeptide'20006,118,010'Process for the preparation of 1-alkoxycarbonyl-3-phenylpropyl derivatives'20006,093,633'Method of making a semiconductor device'20006,091,081'Insulating film comprising amorphous carbon fluoride, a semiconductor device comprising such an insulating film'20006,022,906'.alpha.-aminoacetophenone photoinitiators'20005,986,842'Magnetic disk apparatus with circuit capable of identifying individual specification'19995,880,212'Surface coating composition, cured film thereof and synthetic resin molded article coated with cured film'19995,809,952'Valve opening system of internal combustion engine'19985,337,973'Magnetic tape cassette'19945,274,063'Vinyl polymer having (meth)acryloyl groups on the side chains and method for preparing same'19935,027,866'Forming press for semiconductor package leads'19915,026,412'Production process of machinable ceramics'19914,876,007'Plate-type filter cartridge with internal support'19894,865,948'Optical recording material, process for preparing the same and optical recording method'19894,806,265'Amorphous ferromagnetic oxides'19894,719,188'Alumina-base abrasion resistant material'19884,598,133'Organic glass for optical parts'19864,227,226'Cassette tape player'19804,110,237'Compositions containing a diazine and a halogen compound for catalyzing copper etching solutions'19783,939,089'Etching solutions for copper and copper alloys and etching process using the same'19763,936,332'Copper and copper alloy etching solutions and process'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–2007Based in Yokohama, JP· patent location history
1989–2017Patents assigned to MATSUMOTO AKIRA (50)· patent assignee history
1989–2020Based in Kanagawa, JP· patent location history
1991–2019Based in Tokyo, JP· patent location history
2002–2020Patents assigned to FUJI XEROX CO LTD (32)· patent assignee history
2002–2018Based in Amagasaki, JP· patent location history
2010–2016Patents assigned to SEIKO EPSON CORP (12)· patent assignee history
2011–2019Patents assigned to NEC COMM SYSTEMS LTD (19)· patent assignee history
2012–2018Patents assigned to BASF SE (11)· patent assignee history
2014–2019Based in Toride, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUMOTO AKIRAself501989–2017
FUJI XEROX CO LTD322002–2020
NEC COMM SYSTEMS LTD192011–2019
SEIKO EPSON CORP122010–2016
BASF SE112012–2018
Locations
LocationPatentsSpan
Kanagawa, JP381989–2020
Tokyo, JP331991–2019
Amagasaki, JP152002–2018
Yokohama, JP101980–2007
Toride, JP92014–2019