LexDanaLexDanabeta
Inventor

Isamu Sato

Inventor
Tokyo, JP

Overview

84→
Patents
1988–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 84 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 transducer16%
B23KSoldering or unsoldering8%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%
C22CAlloys6%
B22FWorking metallic powder6%
H01LSemiconductor devices6%
H10NElectric solid-state devices not otherwise provided for5%
H05KPrinted circuits5%
B82YSpecific uses or applications of nanostructures5%
C25DProcesses for the electrolytic or electrophoretic production of coatings4%
PatentTitleYear
10,888,957Soldering material202110,811,376Cu column, Cu core column, solder joint, and through-silicon via202010,781,026Container and package202010,717,157Solder material, solder paste, solder preform, solder joint and method of managing the solder material202010,675,719Joining member, solder material, solder paste, formed solder, flux coated material, and solder joint202010,610,979Flux composition for solder applications202010,381,319Core material, semiconductor package, and forming method of bump electrode201910,370,771Method of manufacturing cu core ball201910,322,472Cu core ball, solder paste, formed solder, Cu core column, and solder joint201910,173,287Solder material, solder joint, and method of manufacturing the solder material201910,150,185Method for producing metal ball, joining material, and metal ball201810,147,695Cu core ball201810,137,535Cu ball, Cu core ball, solder joint, solder paste, and solder foam20189,956,634Device for coating thin molten solder film, thin solder film-covered component and manufacturing method therefor20189,802,251'Ni ball, Ni core ball, solder joint, solder paste, and solder foam'20179,668,358'Cu ball'20179,662,730'Bump electrode, board which has bump electrodes, and method for manufacturing the board'20179,511,438'Solder bump forming method and apparatus'20169,419,279'Vanadium battery'20169,278,409'Core ball, solder paste, formed-solder, flux-coated core ball and solder joint'20169,266,196'Ag ball, ag core ball, flux-coated ag ball, flux-coated ag core ball, solder joint, formed solder, solder paste and ag paste'20168,680,855'Apparatus for measuring magnetic field of microwave-assisted head'20148,582,239'Microwave assisted magnetic recording head and magnetic recording method therewith'20138,547,655'Magnetic recording method using microwave assisted head'20138,434,614'Storing package unit and a storing method for micro solder spheres'20138,427,773'Method for magnetic recording using microwave assisted magnetic head'20138,358,127'Apparatus for measuring magnetic field of microwave-assisted head'20138,300,346'Microwave assisted magnetic head'20128,264,916'Microwave assisted magnetic head and magnetic disk device'20128,184,395'Magnetic recording and reproducing apparatus with thin-film magnetic head having microwave magnetic exciting function'20128,174,937'Thin-film magnetic head having microwave magnetic exciting function and magnetic recording and reproducing apparatus'20128,107,352'Microwave assisted magnetic head'20128,094,399'Magnetic recording apparatus provided with microwave-assisted head'20128,027,110'Apparatus for measuring magnetic field of microwave-assisted head'20118,023,232'Film and method for producing nano-particles for magnetoresistive device'20117,920,357'Magnetic recording method using ferromagnetic resonance and thin-film magnetic head for using the method'20117,810,772'Column suction-holding head and column mounting method'20107,791,838'Magnetic head apparatus and magnetic recording and reproducing apparatus'20107,733,611'Magnetoresistance effect element comprising nano-contact portion not more than a mean free path and magnetic head utilizing same'20107,602,591'Exchange-coupled free layer with out-of-plane magnetization'20097,599,154'Stabilized spin valve head and method of manufacture'20097,583,480'Magnetoresistance effect element with nano-junction between free and pinned layers'20097,583,482'Magnetoresistive element and magnetoresistive device having a free layer stabilized by an in-stack bias'20097,538,978'Heat assisted magnetic recording head and heat assisted magnetic recording apparatus for heating a recording region in a magnetic recording medium during magnetic recording'20097,522,389'Magnetoresistance effect element comprising a nano-contact portion not more than a fermi length, method of manufacturing same and magnetic head utilizing same'20097,495,867'Composite free layer for stabilizing magnetoresistive head'20097,473,478'Oscillator'20097,280,323'Magnetoresistance effect element and magnetic head'20077,236,335'Magnetoresistive head'20077,206,174'Magnetoresistance effect element comprising nano-contact portion not more than a fermi length, method of manufacturing same and magnetic head utilizing same'20077,184,247'Magnetoresistance effect element comprising nano-contact portion not more than a fermi length, method of manufacturing same and magnetic head utilizing same'20077,167,347'Magnetoresistance effect element and magnetic head with nano-contact portion not more than a fermi length placed between dual layers'20077,068,479'Magnetoresistance effect element comprising nano-contact portion not more than a fermi length, and magnetic head utilizing same'20066,898,840'Method of fabricating a magnetic head device'20056,888,702'Thin film magnetic head device'20056,839,075'Image forming apparatus, and memory control method for image forming apparatus'2005D0489075'Combined slider and head for reading or writing information on a disk'2004D0475716'Combined slider and head for reading or writing information on a disk'20036,522,502'Magnetic head device'20036,445,725'Spread spectrum communication apparatus'20026,396,858'Laser driving method and apparatus and image-forming apparatus'20026,317,294'Slider with negative and multiple positive pressure generation portions and head including the same'20016,313,969'Magnetic disk medium and magnetic recording system'20016,266,078'Image forming apparatus'20016,246,552'Read/write head including displacement generating means that elongates and contracts by inverse piezoelectric effect of electrostrictive effect'20016,144,524'Spin valve magnetoresistance device and method of designing the same'20006,144,529'Slider with negative and positive pressure generating portions and head including the same'20006,092,027'Apparatus for detecting and recording a conduction noise, a radiation electromagnetic field noise and a discharge noise'20006,084,746'Magnetic head device'20005,905,581'Image forming apparatus'19995,859,436'Method for determining photonuclear reaction cross section and transforming atomic nucleus'19995,728,835'Substituted cyclic amine compound, production process thereof and pharmaceutical composition for circulatory organ use containing the same'19985,712,484'Germanium detector'19985,699,546'Memory management control device and method for performing rewrite on internal non-volatile memory according to an operation state determination'19975,636,009'Image forming apparatus having charging member'19975,169,531'Noise diffusing fuel filter'19925,084,166'Fuel filtering device'19925,006,890'Image forming apparatus with a provision for designating different colored image areas'19914,939,553'Original detection apparatus'19904,937,624'Device for storing developing units'19904,937,626'Image forming apparatus'19904,931,882'Image recording apparatus with evening of the recording medium'19904,855,767'Image recording apparatus having plural light sources, and having arbitrarity combinable functions'19894,766,404'Coordinate input apparatus'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2005Patents assigned to CANON KK (14)· patent assignee history
1988–2002Based in Yokohama, JP· patent location history
1998–1999Based in Tuchiura, JP· patent location history
2000–2014Patents assigned to TDK CORP (41)· patent assignee history
2000–2020Based in Tokyo, JP· patent location history
2001–2002Based in Mishima, JP· patent location history
2010–2021Patents assigned to SENJU METAL INDUSTRY CO (22)· patent assignee history
2012–2016Patents assigned to SATO ISAMU (12)· patent assignee history
2012–2013Patents assigned to IKEDA HIROSHI (7)· patent assignee history
2016–2021Based in Saitama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TDK CORP412000–2014
SENJU METAL INDUSTRY CO222010–2021
CANON KK141988–2005
SATO ISAMUself122012–2016
IKEDA HIROSHI72012–2013
Locations
LocationPatentsSpan
Tokyo, JP432000–2020
Saitama, JP172016–2021
Yokohama, JP121988–2002
Mishima, JP22001–2002
Tuchiura, JP21998–1999