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Inventor

Atsushi Ohta

Inventor
Tokyo, JP

Overview

63→
Patents
1994–2019
Patent span
Physics
Primary field (CPC G)

Patents· 63 as inventor

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

G03Gprimary
G03GElectrography12%
H04LTransmission of digital information, e.g. telegraphic communication6%
F16CShafts6%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general4%
F02DControlling combustion engines4%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them4%
G03DApparatus for processing exposed photographic materials4%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices4%
H02KDynamo-electric machines4%
H04BTransmission4%
PatentTitleYear
10,394,184Image forming apparatus with contact-separation mechanism for image carrier20199,890,683'Exhaust gas purification system'20189,759,115'Exhaust gas purification system'20179,416,713'Exhaust gas purification system'20169,237,283'Solid-state image pickup device'20169,140,157'Exhaust gas purification system'20159,110,381'Substrate conveyance device and substrate conveyance method, exposure apparatus and exposure method, device manufacturing method'20159,097,986'Substrate conveyance device and substrate conveyance method, exposure apparatus and exposure method, device manufacturing method'20158,989,108'Wireless packet communication method and wireless packet communication apparatus'20158,989,219'Wireless packet communication method'20158,893,479'System of treating exhaust gas of engine'20148,862,016'Image forming apparatus that ensures an electrical connection between a replacement part and a main body part of the apparatus'20148,803,204'Manufacturing method of solid-state image pickup device and solid-state image pickup device'20148,777,488'Fluid dynamic bearing motor, and recording medium driving apparatus'20148,670,699'Image forming device and developing device'20148,660,453'Image forming apparatus'20148,472,850'Image forming device and developing device'20138,380,117'Developer storage apparatus, developer cartridge, developing device and image forming apparatus'20138,374,527'Developer storing body having a movable outlet shutter member, image forming unit and image forming apparatus'2013D0675672'Toner cartridge'20138,358,132'Irradiating coil and magnetic resonance imaging apparatus using the same'2013D0674003'Toner cartridge'2013D0674006'Toner cartridge'20138,345,216'Substrate conveyance device and substrate conveyance method, exposure apparatus and exposure method, device manufacturing method'20138,292,506'Fluid dynamic bearing, motor, and recording-medium driving apparatus'20128,260,176'Developer storing container including an agitation member for agitating developer, developing device including the developer storing container and image forming apparatus including the developer storing container'20128,134,367'Irradiating coil and magnetic resonance imaging apparatus using the same'20128,116,662'Development device and image forming apparatus'20128,107,055'Substrate conveyance device and substrate conveyance method, exposure apparatus and exposure method, device manufacturing method'20128,019,257'Developer-controlling member, manufacturing method thereof, developing machine using the developer-controlling member, image forming apparatus or printer using the developing machine, and jointed plate'20117,999,907'Method for producing color filter, color filter, liquid crystal display device and producing apparatus'20117,995,186'Substrate conveyance device and substrate conveyance method, exposure apparatus and exposure method, device manufacturing method'20117,974,243'Wireless packet communication method and wireless packet communication apparatus'20117,953,115'Wireless packet communication method'20117,813,317'Wireless packet communication method and wireless packet communication apparatus'20107,755,780'Information processing apparatus, server apparatus, printing control system, program and storage medium'20107,736,061'Fluid dynamic bearing motor, and recording-medium driving apparatus'20107,634,204'Exchange unit and image forming apparatus having the same'20097,607,108'Data processing setting apparatus, data processing setting method, data processing setting program, and computer-readable recording medium recording the program'20097,568,170'Data processing setting apparatus, data processing setting method, data processing setting program, and computer readable recording medium recording the program'20097,438,476'Hydraulic dynamic bearing and spindle motor'20087,400,616'Wireless packet communication method and wireless packet communication apparatus'20087,382,130'Irradiation coil and magnetic resonance imaging apparatus comprising the same'20087,191,806'Oil injecting apparatus'20076,824,336'Method for controlling cutting machine'20046,641,804'Hair treatment and method of treating hair using compounded resin containing urethane resin'20036,637,613'Bottle having flattened cross sectional shape'2003D0476635'Portable wireless telephone'2003D0464634'Portable wireless telephone'20026,384,503'Motor'20026,354,742'Hydraulic dynamic bearing and spindle motor'20026,330,699'Error compensating method and apparatus and medium storing an error compensating program'20016,287,246'Development roller'20016,247,848'Hydraulic dynamic bearing and spindle motor utilizing hydraulic dynamic bearing'20016,188,697'ATM cell transport system for wireless communications'20016,163,861'Error compensating method and apparatus and medium storing an error compensation program'20006,145,886'Pipe connector connection checking assembly'20005,918,662'Method of controlling the operation of continuous casting and apparatus therefor'19995,783,288'Toner carrier and method of producing the same'19985,543,902'Developing device for an image forming apparatus'19965,456,782'Toner carrier and method of producing the same'19955,387,852'Method of determining tool running path in N/C system'1995D0346820'Electronic computer output printer'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2019Based in Tokyo, JP· patent location history
1995–2001Based in Yokohama, JP· patent location history
2000–2015Patents assigned to NIPPON TELEGRAPH & TELEPHONE (9)· patent assignee history
2001–2014Based in Chiba, JP· patent location history
2001–2015Based in Kanagawa, JP· patent location history
2009–2019Patents assigned to OKI DATA KK (13)· patent assignee history
2012–2016Patents assigned to OHTA ATSUSHI (21)· patent assignee history
2012–2014Patents assigned to NOZAWA KEN (6)· patent assignee history
2012–2014Patents assigned to ODA YUKIYOSHI (6)· patent assignee history
2014–2018Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OHTA ATSUSHIself212012–2016
OKI DATA KK132009–2019
NIPPON TELEGRAPH & TELEPHONE92000–2015
NOZAWA KEN62012–2014
ODA YUKIYOSHI62012–2014
Locations
LocationPatentsSpan
Tokyo, JP161994–2019
Chiba, JP82001–2014
Yokohama, JP61995–2001
Osaka, JP52014–2018
Kanagawa, JP52001–2015