LexDanaLexDanabeta
Inventor

Hisayuki Yazawa

Inventor
Niigata, JP

Overview

58→
Patents
2002–2017
Patent span
Physics
Primary field (CPC G)

Patents· 58 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 transducer50%
Y10TTechnical subjects covered by former us classification17%
B82YSpecific uses or applications of nanostructures8%
H01FMagnets7%
B81BMicrostructural devices or systems, e.g. micromechanical devices4%
C25DProcesses for the electrolytic or electrophoretic production of coatings3%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock3%
B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems2%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h102%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form1%
PatentTitleYear
9,612,220'Humidity sensing apparatus'20179,559,030'Electronic component and method of manufacturing the same'20178,796,789'Physical quantity sensor and method of making the same'20148,459,116'Physical quantity sensor'20138,418,557'Physical quantity sensor'20138,125,733'Perpendicular magnetic recording head and manufacturing method thereof'20128,116,033'Thin-film magnetic head with main magnetic pole layer and auxiliary yoke layer flare configurations'20128,085,500'Perpendicular magnetic recording head with partial side shield layers'20117,990,654'Perpendicular magnetic recording head'20117,990,655'Perpendicular magnetic recording head having a bottom shield part magnetically connected to a pair of side shield parts'20117,889,457'Perpendicular magnetic recording head device capable of increasing magnetic field gradient to exhibit excellent recording performance while maintaining magnetic field intensity'20117,692,896'Perpendicular magnetic recording head having return path layer and gap adjusting layer'20107,643,246'Perpendicular magnetic recording head having a stepped portion and method of manufacturing the same'20107,626,784'Magnetic recording head including main magnetic pole layer, return path layer, and coil layer'20097,593,185'Perpendicular magnetic recording head having spacer layer in predetermined portion'20097,506,432'Method of manufacturing thin-film magnetic head'20097,489,473'Magnetic recording head having a switching layer which may be rendered non-magnetic by heating'20097,486,477'FeCoNi soft magnetic film including a controlled ratio of chlorine and sulfur'20097,472,470'Method of manufacturing a perpendicular magnetic recording head'20097,433,153'Soft magnetic film and thin film magnetic head using soft magnetic film, process for manufacturing soft magnetic film and process for manufacturing thin film magnetic head'20087,392,577'Method for manufacturing a perpendicular magnetic head'20087,372,671'Disk apparatus'20087,370,406'Method of manufacturing a thin film structure'20087,359,148'Thin film magnetic head including NiPRe alloy gap layer'20087,288,333'Magnetic film and thin film magnetic head using this magnetic film'20077,289,296'Thin-film magnetic head having magnetic gap formed of NiP'20077,280,320'Thin-film magnetic head and manufacturing method thereof'20077,248,437'Perpendicular magnetic recording head and method for manufacturing the same'20077,215,512'Thin-film magnetic head, magnetic device including the same, and method for manufacturing the same'20077,206,168'Thin film magnetic head equipped with toroidal coil layer'20077,190,553'Thin-film magnetic head having lower magnetic pole layer and insulator layer behind the lower magnetic pole layer in the direction of height of the pole layer, and method for manufacturing the thin-film magnetic head'20077,181,829'Method of manufacturing a perpendicular magnetic recording head'20077,181,828'Method for manufacturing perpendicular magnetic recording head'20077,167,340'Thin-film magnetic head appropriately suppressing side fringing and method for fabricating the same'20077,158,345'Thin-film magnetic head appropriately suppressing side fringing and method for fabricating the same'20077,113,367'FeNiRe soft magnetic film and thin film magnetic head using the same for simultaneous adjustment of resistivity and saturated magnetic flux density'20067,088,549'Thin-film magnetic head having a high recording density and frequency'20067,052,560'Soft magnetic film and thin film magnetic head using the same'20067,037,421'Thin-film magnetic head having magnetic gap formed of NiP'20067,002,778'Magnetic head having an Fe-Ni-X layer'20066,999,276'Magnetic head with magnetic pole minimum Fe content difference and Fe content increasing toward interface with gap layer'20066,958,886'Perpendicular magnetic recording head having main magnetic pole layer formed on high-flatness surface, and method of manufacturing the head'20056,903,900'Perpendicular magnetic recording head including nonmagnetic layer overlaying main pole layer'20056,894,870'Thin film magnetic head comprising at least two coil layers and method of manufacturing the same'20056,882,502'Thin-film magnetic head with narrowed track width and method for making same'20056,768,611'Thin film magnetic head causing appropriately suppressed side fringing and method of manufacturing the same'20046,751,071'Thin film magnetic head comprising magnetoresistive element having shield layer formed by plating and method of manufacturing the thin film magnetic head'20046,731,458'Thin film magnetic head with upper core and lower core layers reducing side-fringing'20046,721,130'Thin-film magnetic head having thin coil-layer and method for manufacturing the thin-film magnetic head'20046,704,162'Thin-film head for reducing track width, preventing write fringing and reducing saturation'20046,697,221'Perpendicular magnetic recording head with inverted trapezoidal main magnetic pole layer'20046,687,084'Perpendicular magnetic recording head having main magnetic pole layer formed on high-flatness surface of yoke layer, and method of manufacturing the head'20046,650,502'Thin-film magnetic head capable of narrowing track width and method of manufacturing the same'20036,638,596'Thin film magnetic head using soft magnetic film having soft magnetic characteristics of high resistivity, low coercive force, and high saturation magnetic flux density'20036,636,381'Thin-film magnetic head for reducing track width, preventing write fringing and reducing magnetic saturation, and production method thereof'20036,600,629'Thin film magnetic head having gap layer made of nip and method of manufacturing the same'20036,560,076'Thin-film magnetic write head'20036,449,122'Thin-film magnetic head including soft magnetic film exhibiting high saturation magnetic flux density and low coercive force'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2017Patents assigned to ALPS ELECTRIC CO LTD (38)· patent assignee history
2002–2017Based in Niigata, JP· patent location history
2008–2012Patents assigned to TDK CORP (19)· patent assignee history
2011–2013Patents assigned to YAZAWA HISAYUKI (5)· patent assignee history
2011–2012Patents assigned to KAMEDA HIROSHI (2)· patent assignee history
2011–2017Based in Tokyo, JP· patent location history
2013Patents assigned to KIKUIRI KATSUYA (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALPS ELECTRIC CO LTD382002–2017
TDK CORP192008–2012
YAZAWA HISAYUKIself52011–2013
KAMEDA HIROSHI22011–2012
KIKUIRI KATSUYA22013
Locations
LocationPatentsSpan
Niigata, JP532002–2017
Tokyo, JP52011–2017