Inventor

Yoshihiro Tsuchiya

Inventor

Tokyo, JP

Overview

1999–2020

Patent span

Physics

Primary field (CPC G)

Patents· 148 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 transducer26%

B82YSpecific uses or applications of nanostructures20%

G01RMeasuring electric variables13%

G06FElectric digital data processing11%

Y10TTechnical subjects covered by former us classification8%

H01FMagnets7%

H10NElectric solid-state devices not otherwise provided for7%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests1%

H04LTransmission of digital information, e.g. telegraphic communication1%

A47LDomestic washing or cleaning1%

PatentTitleYear

10,684,008Evaporation type burner2020 10,332,553Double ridge near-field transducers2019 10,152,991Method for manufacturing thermally-assisted magnetic recording head with waveguide blocker2018 10,048,866Storage control apparatus and storage control method2018 10,043,542Plasmon generator with separating layer for thermal assisted magnetic recording head2018 10,007,436Storage control apparatus and control method of storage control apparatus2018 9,980,395Method of manufacturing laser diode unit utilizing submount bar2018 9,852,752Plasmon generator with metallic waveguide blocker for TAMR2017 9,818,436'Thermal assisted magnetic recording head with plasmon generator'2017 9,620,151'Plasmon generator with (111) oriented tip portion for thermal assisted magnetic recording head'2017 9,122,407'Deduplication device and deduplication method'2015 9,053,074'Computer product, writing control method, writing control apparatus, and system'2015 8,970,995'Magnetoresistance effect element having layer containing Zn at the interface between magnetic layer and non-magnetic intermediate layer'2015 8,903,804'Data existence judging device and data existence judging method'2014 8,866,041'Apparatus and method of manufacturing laser diode unit utilizing submount bar'2014 8,845,867'Method for manufacturing magnetoresistance effect element using simultaneous sputtering of Zn and ZnO'2014 8,843,672'Access method, computer and recording medium'2014 8,825,968'Information processing apparatus and storage control method'2014 8,819,036'Computer product, search method, search apparatus, and node'2014 8,812,803'Duplication elimination in a storage service'2014 8,781,876'Computer product, charge calculating apparatus, and charge calculating method'2014 8,621,054'Computer-readable recording medium storing software update command program, software update command method, and information processing device'2013 8,593,766'Magneto-resistive effect element having spacer layer including main spacer layer containing gallium oxide and metal intermediate layer'2013 8,589,644'Non-transitory medium, access control method, and information processing apparatus'2013 8,564,911'Magneto-resistive effect element having spacer layer including gallium oxide layer with metal element'2013 8,560,558'Computer product, search apparatus, management apparatus, search method, and management method'2013 8,521,983'Program, apparatus and method for managing data allocation of distributed storage system including storage nodes'2013 8,516,070'Computer program and method for balancing processing load in storage system, and apparatus for managing storage devices'2013 8,498,083'Magneto-resistive effect element having spacer layer containing gallium oxide, partially oxidized copper'2013 8,477,461'Thin film magnetic head having a pair of magnetic layers whose magnetization is controlled by shield layers'2013 8,472,149'CPP type magneto-resistive effect device and magnetic disk system'2013 8,472,150'Magneto-resistive effect device and magnetic disk system'2013 8,458,398'Computer-readable medium storing data management program, computer-readable medium storing storage diagnosis program, and multinode storage system'2013 8,458,425'Computer program, apparatus, and method for managing data'2013 8,443,138'Recording medium storing management program, management device and management method'2013 8,441,763'Magneto-resistive effect element having spacer layer with thin central portion'2013 8,432,645'Magneto-resistive effect element, magnetic head, magnetic head slider, head gimbal assembly and hard disk drive apparatus'2013 8,429,369'Storage management program, storage management method, and storage management apparatus'2013 8,423,562'Non-transitory, computer readable storage medium, search method, and search apparatus'2013 8,405,935'Magneto-resistive effect element having spacer layer including main spacer layer containing gallium oxide and nonmagnetic layer'2013 8,407,336'Supporting apparatus for analyzing computer operation status'2013 8,397,047'Logical volume configuration information distribution program, logical volume configuration information distribution method, and logical volume configuration information distribution apparatus'2013 8,385,021'Temperature assisted magnetic recording element having grounded near field light generator'2013 8,386,707'Virtual disk management program, storage device management program, multinode storage system, and virtual disk managing method'2013 8,379,350'CPP-type magnetoresistive element including spacer layer'2013 8,345,390'Magnetoresistive effect element in CPP-type structure and magnetic disk device'2013 8,331,063'Magnetoresistive effect element in CPP-type structure and magnetic disk device'2012 8,310,791'Magnetoresistive effect element and magnetic disk device'2012 8,279,548'Microwave oscillating element and thin film magnetic head therewith'2012 8,281,102'Computer-readable recording medium storing management program, management apparatus, and management method'2012 8,276,017'Process, apparatus, and program for system management'2012 8,274,764'Magneto-resistive effect element provided with GaN spacer layer'2012 8,274,867'Method for aligning the light source unit and the slider of thermally-assisted magnetic recording head'2012 8,250,737'Method for manufacturing head including light source unit for thermal assist'2012 8,255,406'Data management using multi-state bloom filter'2012 8,248,897'Method for manufacturing thermally-assisted magnetic recording head comprising light source unit and slider'2012 8,248,895'Method for manufacturing thermally-assisted magnetic recording head comprising light source unit and slider'2012 8,240,025'Method for manufacturing head including light source unit for thermal assist'2012 8,234,446'Disk array apparatus, data distribution and management method, and data distribution and management program'2012 8,234,467'Storage management device, storage system control device, storage medium storing storage management program, and storage system'2012 8,230,191'Recording medium storing allocation control program, allocation control apparatus, and allocation control method'2012 8,214,620'Computer-readable recording medium storing data storage program, computer, and method thereof'2012 8,214,823'Cluster system, process for updating software, service provision node, and computer-readable medium storing service provision program'2012 8,203,808'Magneto-resistance effect element including free layer having multilayer constitution including magnetic body mixed with element having 4F electrons'2012 8,200,935'Storage capacity allocation control apparatus and method thereof'2012 8,194,364'Magnetoresistive effect element in CPP-type structure including ferromagnetic layer configured with CoFe system alloy and magnetic disk device therewith'2012 8,194,363'Thin film magnetic head provided with dual synthetic free layers'2012 8,189,303'Thin film magnetic head having a pair of magnetic layers whose magnetization is controlled by shield layers'2012 8,185,753'Storage medium for storing power consumption monitor program, power consumption monitor apparatus and power consumption monitor method'2012 8,180,889'Supporting apparatus for analyzing computer operation status'2012 8,179,642'Magnetoresistive effect element in CPP structure and magnetic disk device'2012 8,169,731'Near-field light transducer comprising propagation edge with predetermined curvature radius'2012 8,166,242'Distributed disk cache system and distributed disk cache method'2012 8,156,381'Storage management apparatus and storage system'2012 8,154,828'Magnetoresistive effect element in CPP-type structure and magnetic disk device'2012 8,149,653'Light source unit for thermally-assisted magnetic recording capable of monitoring of light output'2012 8,151,367'Information processing system'2012 8,141,095'Recording medium storing data allocation control program, data allocation control device, data allocation control method, and multi-node storage-system'2012 8,130,475'Method for manufacturing CPP-type thin film magnetic head provided with a pair of magnetically free layers'2012 8,094,420'Magnetoresistive device of the CCP (current perpendicular to plane) type with single-domain control of magnetization, and associated magnetic disk system'2012 8,085,512'CPP-type magnetoresistance effect element having a pair of free layers'2011 8,049,997'Magnetoresistive element including a pair of free layers coupled to a pair of shield layers'2011 8,031,444'Magnetoresistive device of the CPP type, and magnetic disk system'2011 8,032,784'Duplication combination management program, duplication combination management apparatus, and duplication combination management method'2011 8,029,853'Fabrication process for magnetoresistive devices of the CPP type'2011 8,023,230'Magnetoresistive element including a pair of ferromagnetic layers coupled to a pair of shield layers'2011 8,000,063'Magneto-resistive element, thin film magnetic head, magnetic head device, and magnetic recording/reproducing apparatus'2011 8,000,066'Hard disk system incorporating a current perpendicular to plane magneto-resistive effect device with a spacer layer in the thickness range showing conduction performance halfway between OHMIC conduction and semi-conductive conduction'2011 7,984,238'Storage-management computer-readable storage medium, apparatus, and method'2011 7,974,048'Magneto-resistive effect device of CPP type having shield layers coupled with ferromagnetic layers'2011 7,961,438'Magnetoresistive device of the CPP type, and magnetic disk system'2011 7,947,188'Method for manufacturing CPP-type magnetoresistance effect element'2011 7,944,650'Magnetoresistive element including layered film touching periphery of spacer layer'2011 7,929,257'Magnetic thin film having spacer layer that contains CuZn'2011 7,920,362'Magnetio-resistive device including a multi-layer spacer which includes a semiconductor oxide layer'2011 7,916,431'Magnetoresistive element including insulating film touching periphery of spacer layer'2011 7,913,042'Virtual storage system control apparatus, virtual storage system control program and virtual storage system control method'2011 7,913,109'Storage control apparatus and storage control method'2011 7,895,731'Method for manufacturing magnetic field detecting element utilizing diffusion and migration of silver'2011 7,894,165'CCP magnetoresistive effect device with Fe barrier layers inhibiting diffusion of Co atoms to Heusler alloy layers in fixed layer and free layer, and head, head-gimbal assembly and hard disk system including said device'2011 7,885,042'CPP magneto-resistive effect device utilizing an anti-oxidizing layer as part of the spacer layer in a thin-film magnetic head usable in a head gimbal assembly in a hard disk system'2011 7,881,021'CPP type magnetoresistive device with biasing arrangement for ferromagnetic layers having respective magnetizations orthogonal to one another, and magnetic disk system using same'2011 7,881,025'Magneto-resistive effect device having a spacer layer of a semiconductor layer interposed between first and second nonmagnetic metal layers and a work function control layer for use in a thin-film magnetic head usable in a head gimbal assembly in a hard disk system'2011 7,876,534'Magneto-resistive effect device of the CPP type, and magnetic disk system'2011 7,859,798'Magnetic thin film having non-magnetic spacer layer that is provided with SnO2 layer'2010 7,855,859'Magnetoresistive element and magnetic head'2010 7,826,180'Magneto-resistive effect device of the CPP structure, and magnetic disk system'2010 7,826,179'Magneto-resistive effect device of the CPP structure and magnetic disk system'2010 7,805,828'Method of manufacturing thin-film magnetic head'2010 7,808,748'Magnetoresistive element including heusler alloy layer'2010 7,804,667'Magnetoresistive element with a Heusler alloy layer that has a region in which an additive element changes in concentration'2010 7,782,575'Magnetoresistive element having free layer, pinned layer, and spacer layer disposed therebetween, the spacer layer including semiconductor layer'2010 7,764,471'Magneto-resistance effect element having diffusion blocking layer and thin-film magnetic head'2010 7,764,470'Magneto-resistance effect element and thin-film magnetic head having non-magnetic spacer layer composed of one semiconductor layer and two metal layers'2010 7,760,475'Magneto-resistance effect element having free layer including magnetostriction reduction layer and thin-film magnetic head'2010 7,739,787'Method of manufacturing a magnetoresistive element'2010 7,734,598'Computer-readable recording medium having recorded hash-value generation program, computer-readable recording medium having recorded storage management program, and storage system'2010 7,672,085'CPP type magneto-resistive effect device having a semiconductor oxide spacer layer and magnetic disk system'2010 7,672,092'Method for manufacturing magnetic field detecting element, utilizing diffusion of metal'2010 7,656,621'Magneto-resistive element having a cap layer for canceling spin injection effect'2010 7,535,682'Magneto-resistance element and thin film magnetic head with improved heat reliability'2009 7,533,456'Fabrication process for magneto-resistive effect devices of the CPP structure'2009 7,525,773'Thin film magnetic head, head gimbal assembly, and hard disk drive having a dual spin-valve magneto-resistive element'2009 7,510,787'Magneto-resistance effect element and thin-film magnetic head'2009 7,496,988'Electric vacuum cleaner provided with a dust separation section for separating sucked dust and dust collecting section for collecting the dust'2009 7,333,303'Magnetoresistive device supplying sense current thereto dependent upon a relationship existent between the thickness of the fixed layer and its magnetization'2008 7,221,546'Thin film magnetic head, head gimbal assembly, and hard disk drive'2007 7,198,656'Vacuum cleaner'2007 7,145,756'Magnetic transducer, thin film magnetic head and method of manufacturing the same'2006 7,086,141'Manufacturing method of magnetoresistive effect sensor'2006 7,051,173'Backup system and method thereof in disk shared file system'2006 7,029,770'Exchange-coupled film, spin valve film, thin film magnetic head, magnetic head apparatus, and magnetic recording/reproducing apparatus'2006 6,982,855'Magnetoresistive head having layer structure between free and lead layers with layer structure including fixed magnetization layer'2006 6,920,022'Magnetic transducer, thin film magnetic head, method of manufacturing magnetic transducer and method of manufacturing thin film magnetic head'2005 6,675,176'File management system'2004 6,661,623'Magnetic transducer with interlayer thin-film magnetic head and method of manufacturing thereof'2003 6,657,828'Magnetic transducer with a higher rate and larger magnitude of resistance change'2003 6,646,834'Magnetic transducer, thin film magnetic head, method of manufacturing magnetic transducer and method of manufacturing thin film magnetic head'2003 6,639,763'Magnetic transducer and thin film magnetic head'2003 6,636,393'Magnetic transducer and thin-film magnetic head having a stacked structure including an interlayer having a high electrical resistance'2003 6,567,247'Magnetoresistance effect type head'2003 6,562,199'Manufacturing method of magnetoresistive element and film forming apparatus'2003 6,452,385'Magnetoresistive effect sensor with double-layered film protection layer'2002 6,430,012'Magnetoresistance effect film and magnetoresistance effect type head having specified antiferromagnetic promote layer'2002 6,391,431'Magnetoresistance effect film and magnetoresistance effect type head'2002 D0446628'Tightening girdle for pelvis'2001 6,195,239'Magnetoresistance effect film and magnetoresistance effect type head'2001 5,913,410'Orthopedic belt for pelvis'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2018Patents assigned to TDK CORP (95)· patent assignee history

2002–2019Based in Tokyo, JP· patent location history

2003–2010Based in Chuo-ku, JP· patent location history

2004–2018Patents assigned to FUJITSU LTD (44)· patent assignee history

2004–2014Based in Kawasaki, JP· patent location history

2011–2015Patents assigned to TSUCHIYA YOSHIHIRO (67)· patent assignee history

2012–2015Patents assigned to NOGUCHI YASUO (30)· patent assignee history

2012–2015Patents assigned to WATANABE TAKASHI (28)· patent assignee history

2013–2018Based in Yokohama, JP· patent location history

2017–2018Based in Nagano, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TDK CORP	95	2001–2018
TSUCHIYA YOSHIHIROself	67	2011–2015
FUJITSU LTD	44	2004–2018
NOGUCHI YASUO	30	2012–2015
WATANABE TAKASHI	28	2012–2015

Locations

Location	Patents	Span
Tokyo, JP	89	2002–2019
Kawasaki, JP	36	2004–2014
Yokohama, JP	9	2013–2018
Chuo-ku, JP	5	2003–2010
Nagano, JP	2	2017–2018