LexDanaLexDanabeta
Inventor

Hajime Nakamura

Inventor
Echizen-shi, JP

Overview

123→
Patents
1977–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 123 as inventor

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

H01Fprimary
H01FMagnets13%
C22CAlloys8%
B22FWorking metallic powder7%
Y10TTechnical subjects covered by former us classification5%
H04LTransmission of digital information, e.g. telegraphic communication5%
H02KDynamo-electric machines4%
G06FElectric digital data processing3%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables3%
G03GElectrography3%
H04NPictorial communication, e.g. television3%
PatentTitleYear
10,720,271R-Fe-B sintered magnet202010,573,438R-(Fe, Co)-B sintered magnet and making method202010,515,747R-Fe-B sintered magnet and making method201910,513,676Measurement method for unbound bilirubin in blood sample201910,494,208Sheet feeding device and image forming apparatus201910,410,775R--Fe--B sintered magnet and making method201910,366,779Scheme of new materials201910,074,477Rare earth sintered magnet and making method20189,953,750Nd based sintered magnet20189,892,831'R-Fe—B sintered magnet and making method'20189,836,005Sheet feeding apparatus, sheet feeding method and image formation system20179,742,248'Method for assembling rotor for use in IPM rotary machine'20179,734,947'Rare earth sintered magnet and making method'20179,168,762'Image forming system having intermediate apparatus that does not have a reverse unit'20159,151,109'Operation apparatus of sunlight shielding apparatus, lifting apparatus of roll-up blind and operation pulley'20159,090,416'Paper feed apparatus, image forming apparatus and image forming system'20159,011,654'Dummy substrate, and start method of, retention/modification method of deposition condition, and stop method of deposition apparatus using same'20158,914,532'Adaptive control of layer count of layered media stream'20148,898,871'Operation cord, and operation apparatus for sunlight shielding apparatus'20148,823,235'Rotor for axial gap-type permanent magnetic rotating machine'20148,780,708'Transmission control system'20148,756,793'Method for assembling rotor for use in IPM rotary machine'20148,753,144'Connector assembly having insulating material with different dielectric constant'20148,746,691'Image forming apparatus'20148,740,205'Conveyor and deposition apparatus, and maintenance method thereof'20148,720,523'Shielding apparatus and clutch used for the same'20148,695,210'Method of manufacturing an Nd based sintered magnet'20148,638,017'Rotor for permanent magnet rotating machine'20148,582,435'Wireless node'20138,550,441'Supporting member and carrier, and method of supporting'20138,542,594'Traffic control method and apparatus for wireless communication'20138,509,174'Wireless terminal'20138,446,827'Radio communication terminal'20138,420,010'Method for preparing rare earth permanent magnet material'20138,377,233'Preparation of rare earth permanent magnet material'20138,338,108'Agent for promoting the production of thioredoxin'20128,311,052'Control of packet buffer using token buckets with different token bucket sizes'20128,269,392'Rotor for permanent magnet rotary machine'20128,231,740'Method for preparing rare earth permanent magnet material'20128,211,327'Preparation of rare earth permanent magnet material'20128,212,269'Organic light emitting device, method for producing thereof and array of organic light emitting devices'20128,128,793'Vertical substrate transfer apparatus and film-forming apparatus'20128,103,128'Graphic object collision detection with axis-aligned bounding regions calculated from inclination angle'20128,075,707'Method for preparing rare earth permanent magnet material'20118,065,270'Information processing system, information processing method, and memory medium'20118,060,472'Information processing system, information processing method, and computer-readable storage medium'20117,974,203'Traffic control system, traffic control method, communication device and computer program'20117,955,443'Method for preparing rare earth permanent magnet material'20117,944,838'Apparatus, method and computer program for traffic control'20117,922,832'Method for preparing permanent magnet material'20117,889,688'Radio communication apparatus and traffic control method for extending drive-time of battery'20117,883,587'Method for preparing rare earth permanent magnet'20117,825,592'Image display device'20107,796,884'Wavelength path switching node apparatus and wavelength path allocation method'20107,691,323'Rare-earth alloy, rare-earth sintered magnet, and methods of manufacturing'20107,676,354'Method of and system for simulating a light-emitting device'20107,653,262'Collision detection having cylindrical detection regions'20107,589,430'Power generating device'20097,559,996'Rare earth permanent magnet, making method, and permanent magnet rotary machine'20097,531,933'Permanent magnet rotating machine'20097,523,028'Method of and system for simulating a light-emitting device'20097,520,941'Functionally graded rare earth permanent magnet'20097,488,393'Rare earth permanent magnet'20097,488,394'Rare earth permanent magnet'20097,488,395'Functionally graded rare earth permanent magnet'20097,437,072'Optical cross-connect with path selecting function'20087,429,973'Content display system and method'20087,355,305'Small-size direct-acting actuator'20087,347,919'Sputter source, sputtering device, and sputtering method'20087,333,298'Magnetic head actuator and magnetic disk drive using the same'20087,312,189'Agent for treatment of inflammatory bowel disease'20077,270,161'Pneumatic tire for motorcycle'20077,272,313'System with node apparatuses in IP/WDM network'20077,268,484'Image display device'20077,211,157'Rare-earth alloy, rare-earth sintered magnet, and methods of manufacturing'20077,151,751'Traffic generation apparatus suitable for use in communication experiments'20067,109,949'System for displaying image, method for displaying image and program thereof'20067,094,037'Oil-cooled compressor'20067,034,793'Liquid crystal display device'20067,033,144'Cooling fan for a screw compressor drive motor'20067,010,504'Competitive buying and selling system and its control method'20067,006,332'Disk drive comprising suspension for magnetic head with positioning of slider to predetermined track through oscillation of voice coil motor'20066,992,981'Communication system and method capable of avoiding congestion in moving image data transmission'20066,973,270'Reflection routing method in optical packet switching network and optical packet switch for reflection routing'20056,930,663'Liquid crystal display device'2005D0505654'Tread portion of a motorcycle tire'20056,884,936'Electromagnetic shield film, electromagnetic shield unit and display'20056,879,468'Magnetic head actuator having an improved microactuator oscillatably supported by metallic micro-beams'2005D0503671'Tread portion of a motorcycle tire'2005D0503670'Tread portion of a motorcycle tire'20056,773,517'Rare-earth alloy, rate-earth sintered magnet, and methods of manufacturing'20046,755,620'Independent rotational speed control of multi-stage variable speed compressor'20046,623,541'Sintered rare earth magnet and making method'20036,620,466'Display device and an electro-optical device using a colloidal liquid crystal composite'20036,396,469'Method of displaying an image on liquid crystal display and a liquid crystal display'20026,324,166'Call setup control apparatus in ATM switch'20016,273,946'Method for production of multi-layered epitaxially grown crystal and apparatus therefor'20016,174,137'Compressor having load control'20016,137,554'Liquid crystal display device'20006,069,620'Driving method of liquid crystal display device'20006,029,444'Three-way valve and exhaust gas purifier using the same'20006,005,646'Voltage application driving method'19995,908,047'Three-way valve and exhaust gas purifier using the same'19995,774,197'Method for driving a color liquid crystal display'19985,548,666'Image forming apparatus with filing function which can store image data and can efficiently perform document filing'19965,499,807'Paper feeding apparatus having a paper separator with a pressure sensitive and electrically-conductive material'19965,458,324'Pressure-sensitive and electrically-conductive roller'19955,402,249'Integrated circuit with exterior gain control adjustment'19955,339,134'Automatic document feeder for image forming apparatus'19945,309,440'ISDN user-network interface system'19945,234,177'Magnetic braking apparatus and tension control system using the magnetic braking apparatus'19935,222,157'Image forming apparatus with filing function which can store image data and can efficiently perform document filing'19935,206,501'Image-reading device having a photoelectric transducer'19935,119,411'X-ray optical apparatus'19924,923,388'Injection metal mold'19904,917,595'Nozzle touch sprue bushing device'19904,708,783'Apparatus for the determination of silicon in molten metal'19874,678,314'Image forming apparatus'19874,657,641'Determination of silicon in molten metal'19874,428,245'Apparatus for sampling molten metal'19844,399,022'Reference electrode for oxygen probe'19834,096,075'Self-lubricated solid materials'19784,026,124'Case for axle having universal joint'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2017Based in Tokyo, JP· patent location history
1998–2019Patents assigned to IBM (12)· patent assignee history
1998–2019Based in Kanagawa, JP· patent location history
2001–2014Based in Saitama, JP· patent location history
2003–2020Patents assigned to SHINETSU CHEMICAL CO (35)· patent assignee history
2003–2010Based in Takefu, JP· patent location history
2005–2014Patents assigned to KDDI CORP (14)· patent assignee history
2009–2020Based in Echizen-shi, JP· patent location history
2011–2015Patents assigned to NAKAMURA HAJIME (30)· patent assignee history
2011–2014Patents assigned to HIROTA KOICHI (10)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHINETSU CHEMICAL CO352003–2020
NAKAMURA HAJIMEself302011–2015
KDDI CORP142005–2014
IBM121998–2019
HIROTA KOICHI102011–2014
Locations
LocationPatentsSpan
Echizen-shi, JP232009–2020
Tokyo, JP211987–2017
Saitama, JP122001–2014
Takefu, JP82003–2010
Kanagawa, JP71998–2019