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Inventor

Naoki Ohta

Inventor
Tokyo, JP

Overview

67→
Patents
1996–2020
Patent span
Physics
Primary field (CPC G)

Patents· 67 as inventor

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

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer18%
G01RMeasuring electric variables14%
B82YSpecific uses or applications of nanostructures12%
H10NElectric solid-state devices not otherwise provided for6%
Y10TTechnical subjects covered by former us classification5%
H04NPictorial communication, e.g. television3%
C07DHeterocyclic compounds3%
G01DMeasuring not specially adapted for a specific variable3%
G03GElectrography3%
C07CAcyclic or carbocyclic compounds2%
PatentTitleYear
10,859,405Sensor system, sensor module, and method of mounting sensor system202010,698,043Triaxial magnetic sensor and method of manufacturing such202010,634,740Magnetic sensor and method of manufacturing the same202010,527,687Magnetic sensor and method of manufacturing the same202010,498,198Magnetic sensor201910,418,546Magnetic sensor201910,416,000Position detection device having magnetoresistive element201910,396,786Key input apparatus201910,270,937Image processing device, image forming apparatus, image processing method, and non-transitory recording medium to correct an inclination of image data in the image memory relative to an output medium201910,148,853Image processing device for correcting skew deviation, image forming apparatus, image processing method for correcting skew deviation, and non-transitory recording medium201810,135,441Key input apparatus20189,900,465'Adjusting image data using divided areas'20189,097,561'Position transducer'20158,786,280'Magneto-resistance effect element and sensor'20148,786,278'Three-dimensional magnetic field sensor and method of producing same'20148,593,139'Magnetic sensor'20138,482,895'Electronic circuit board, magnetic sensor, and method for protecting power supply of electronic circuit'20138,451,003'Magnetic sensor having magneto-resistive elements on a substrate'20138,427,144'Magnetic sensor that includes magenetoresistive films and conductors that combine the magnetoresistive films'20138,310,792'Magneto-resistive element for a magneto-resistive device and method of manufacturing thereof'20128,295,015'Magnetoresistive element, thin film magnetic head, magnetic head slider, head gimbal assembly, head arm assembly and magnetic disk device'20128,149,547'Magnetoresistive effect element and thin-film magnetic head with the magnetoresistive effect element'20128,125,743'Thin-film magnetic head, magnetic head assembly, magnetic disk drive apparatus and method for manufacturing thin-film magnetic head'20128,117,736'Method of lapping a magnetic head slider'20128,090,298'Electrostatic charging member, electrostatic charging device, process cartridge and image forming apparatus'20128,085,496'Thin-film magnetic head with through holes reaching medium-opposed surface'20118,064,160'Magnetic head for perpendicular magnetic recording with coil wound around pole layer'20117,978,438'Thin-film magnetic head with shield layer profile having obtuse or rounded corners, magnetic head assembly, magnetic disk drive apparatus and manufacturing method of thin-film magnetic head'20117,956,609'Magnetic sensor including a spin-valve GMR device'20117,952,827'Heat-assisted magnetic recording method using eddy current and head for heat-assisted magnetic recording'20117,952,839'Magnetoresistive element including an antiferromagnetic layer disposed away from a detection surface'20117,948,713'Magnetic head slider using giant magnetostrictive material'20117,933,099'Thin-film magnetic head having electric lapping guide and method of making the same'20117,916,432'Thin-film patterning method for magnetoresistive device'20117,894,166'CPP GMR device with ferromagnetic layer split in depth direction'20117,858,271'Method of measuring dimension of pattern and method of forming pattern'20107,817,381'Thin film magnetic head which suppresses inflow of magnetic generated by bias-applying layers into a free layer from a layering direction'20107,801,461'Charging member cleaning roller, charging member cleaning roller for charging device, process cartridge and image forming apparatus'20107,780,344'Method for evaluating the deterioration of magneto-resistive effect device'20107,770,284'Manufacturing method of magnetoresistive effect element'20107,743,666'Tunneling effect element and physical quantity to electrical quantity transducer'20107,742,260'Magnetic head assembly, magnetic head drive apparatus and manufacturing method of magnetic head assembly'20107,715,155'Thin-film magnetic head and manufacturing method thereof'20107,652,854'Magneto-resistive or tunneling magneto-resistive element having a shielding film of an amorphous layer above a crystalline layer, and method for manufacturing the same'20107,631,416'Method of making thin film magnetic head using electric lapping guide'20097,583,462'Head amplifier with a heat controller'20097,573,675'Thin film magnetic head'20097,564,653'Magnetic disk drive apparatus with magnetic head sliders in a magnetic loop while in an unloaded state'20097,520,165'Micro structure, cantilever, scanning probe microscope and a method of measuring deformation quantity for the fine structure'20097,489,481'CCP Head having leads of substantially the same size and shape and not intervening between a shield layer and a MR element'20097,436,633'Thin-film magnetic head, head gimbal assembly and hard disk system'20087,177,582'Image forming apparatus using electrophotography and process cartridge'20077,000,394'Rankine cycle device'20066,990,805'Waste heat recovery device for internal combustion engine'20066,856,431'Method and apparatus for facsimile transmission capable of effectively decreasing communication costs'20056,761,030'Waste heat recovery device of multi-cylinder internal combustion engine'20046,669,983'Manufacturing method of thin-film magnetic head with magnetoresistive effect element'20036,656,538'Method of manufacturing magnetoresistive device, method of manufacturing thin film magnetic head, and method of forming thin film pattern'20036,423,843'Enantiomerically pure substituted oxaaza compounds, salts of the same, and processes for the preparation of both'20026,396,848'Apparatus and method of allowing user to browse history of relay transmission on data terminal'20026,218,548'Production process of cyclic compound'20016,098,988'Mechanism for forming a seal around the shaft of a liquid pump'20006,013,806'Production process of cyclic compound'20005,856,518'Production process of cyclic compound'19995,851,719'Developing sleeve for electrophotography and process for image formation'19985,767,461'Elevator group supervisory control system'19985,554,009'Swash-plate hydraulic pressure device'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2006Patents assigned to HONDA MOTOR CO LTD (5)· patent assignee history
1996–2006Based in Wako, JP· patent location history
1998–2007Based in Minami-ashigara, JP· patent location history
2000–2020Based in Tokyo, JP· patent location history
2003–2020Patents assigned to TDK CORP (47)· patent assignee history
2005–2019Based in Kanagawa, JP· patent location history
2011–2019Patents assigned to OHTA NAOKI (17)· patent assignee history
2012–2014Patents assigned to YAMAZAKI HIROSHI (5)· patent assignee history
2013–2014Patents assigned to HIRABAYASHI HIRAKU (4)· patent assignee history
2015Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TDK CORP472003–2020
OHTA NAOKIself172011–2019
HONDA MOTOR CO LTD51996–2006
YAMAZAKI HIROSHI52012–2014
HIRABAYASHI HIRAKU42013–2014
Locations
LocationPatentsSpan
Tokyo, JP492000–2020
Kanagawa, JP62005–2019
Wako, JP51996–2006
Minami-ashigara, JP21998–2007
Chiba, JP12015