LexDanaLexDanabeta
Inventor

Akihiro Makino

Inventor
Niigata, JP

Overview

72→
Patents
1986–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 72 as inventor

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

H01Fprimary
H01FMagnets28%
C22CAlloys12%
G11BInformation storage based on relative movement between record carrier and transducer10%
B82YSpecific uses or applications of nanostructures10%
Y10TTechnical subjects covered by former us classification6%
B22FWorking metallic powder5%
G01RMeasuring electric variables5%
H10NElectric solid-state devices not otherwise provided for5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
C21DModifying the physical structure of ferrous metals3%
PatentTitleYear
10,767,249Magnetic powder and production method thereof, magnetic core and production method thereof, coil component and motor202010,758,982Magnetic powder and production method thereof, magnetic core and production method thereof, coil component and motor202010,636,567Heat treatment apparatus for laminated body of amorphous alloy ribbon and soft magnetic core202010,461,589Magnetic-plate laminated body and motor201910,388,444Alloy powder and magnetic component20199,850,562Fe-based nano-crystalline alloy20179,506,824'Magnetostrictive film, magnetostrictive element, torque sensor, force sensor, pressure sensor, and manufacturing method therefor'20169,287,028'Alloy composition, Fe-based nano-crystalline alloy and forming method of the same'20168,968,891'Metallic glass, magnetic recording medium using the same, and method of manufacturing the magnetic recording medium'20158,491,731'Alloy composition, Fe-based nano-crystalline alloy and forming method of the same and magnetic component'20138,377,580'Metallic glass, magnetic recording medium using the same, and method of manufacturing the magnetic recording medium'20138,287,665'Soft magnetic alloy, magnetic part using soft magnetic alloy, and method of manufacturing same'20128,277,579'Amorphous alloy composition'20126,692,582'Hard magnetic alloy, hard magnetic alloy compact and method for producing the same'20046,591,479'Production method for a spin-valve type magnetoresistive element'20036,496,338'Spin-valve magnetoresistive sensor including a first antiferromagnetic layer for increasing a coercive force and a second antiferromagnetic layer for imposing a longitudinal bias'20026,446,702'Apparatus and method for producing metallic ribbon'20026,425,961'Composite hard magnetic material and method for producing the same'20026,387,548'Exchange coupling film and magnetoresistance effect type element using this exchange coupling film, and thin film magnetic head using the magnetoresistance effect type element'20026,351,204'Thin magnetic element and transformer'20026,346,338'Combination magnetoresistive/inductive thin film magnetic head and its manufacturing method'20026,326,092'Magnetoresistance device and production method thereof'20016,312,530'Magnetostrictive material'20016,296,681'Sinter and casting comprising Fe-based high-hardness glassy alloy'20016,295,186'Spin-valve magnetoresistive Sensor including a first antiferromagnetic layer for increasing a coercive force and a second antiferromagnetic layer for imposing a longitudinal bias'20016,287,514'Sinter and casting comprising Fe-based high-hardness glassy alloy'20016,282,069'Magnetoresistive element having a first antiferromagnetic layer contacting a pinned magnetic layer and a second antiferromagnetic layer contacting a free magnetic layer'20016,235,129'Hard magnetic material'20016,232,775'Magneto-impedance element, and azimuth sensor, autocanceler and magnetic head using the same'20016,227,985'Sinter and casting comprising Fe-based high-hardness glassy alloy'20016,210,810'Magnetoresistance device'20016,191,577'Magnetic sensor exhibiting large change in resistance at low external magnetic field'20016,172,589'Hard magnetic alloy having supercooled liquid region, sintered or cast product thereof or stepping motor and speaker using the alloy'20016,171,410'Hard magnetic alloy, hard magnetic alloy compact, and method for producing the same'20016,171,716'Soft magnetic film, and thin film magnetic head, planer magnetic element, and filter using the soft magnetic film'20016,150,046'Combination magnetoresistive/inductive thin film magnetic head and its manufacturing method'20006,146,761'Functional particle-dispersed thin film, granular magnetic thin film and production processes thereof'20006,139,908'Magnetoresistance device and production method thereof'20006,140,902'Thin magnetic element and transformer'20006,086,651'Sinter and casting comprising Fe-based high-hardness glassy alloy'20006,083,325'Method for making Fe-based soft magnetic alloy'20006,077,367'Method of production glassy alloy'20006,074,707'Method of producing magnetoresistive element'20006,060,977'Core for use in inductive element, transformer and inductor'20006,055,135'Exchange coupling thin film and magnetoresistive element comprising the same'20006,047,763'Metal ribbon manufacturing apparatus'20006,036,825'Magnetic film forming method'20006,034,450'Stepping motor and method of manufacturing hard magnetic alloy therefor'20006,004,407'Hard magnetic materials and method of producing the same'19996,001,193'Hard magnetic alloy compact and method of producing the same'19995,961,745'Fe Based soft magnetic glassy alloy'19995,935,347'FE-base soft magnetic alloy and laminated magnetic core by using the same'19995,910,344'Method of manufacturing a magnetoresistive sensor'19995,896,078'Soft magnetic alloy thin film and plane-type magnetic device'19995,833,770'High frequency soft magnetic alloy and plane magnetic element, antenna and wave absorber comprising the same'19985,755,986'Soft-magnetic dielectric high-frequency composite material and method for making the same'19985,741,373'Fe based soft magnetic alloy, magnetic materials containing same, and magnetic apparatus using the magnetic materials'19985,725,685'Soft magnetic alloy thin film with nitrogen-based amorphous phase'19985,656,101'Soft magnetic alloy thin film with nitrogen-based amorphous phase'19975,619,174'Noise filter comprising a soft magnetic alloy ribbon core'19975,605,560'Method of producing an atomized alloy power'19975,573,863'Soft magnetic alloy and plane magnetic element'19965,509,975'Soft magnetic bulky alloy and method of manufacturing the same'19965,474,624'Method of manufacturing Fe-base soft magnetic alloy'19955,458,702'Alloy powder, dispersion-type conductor using the same'19955,449,419'Fe based soft magnetic alloy, magnetic materials containing same, and magnetic apparatus using the magnetic materials'19955,144,999'Apparatus for making amorphous metal strips'19924,936,929'Refractory amorphous Co-Ta-Hf alloy'19904,891,079'High saturated magnetic flux density alloy'19904,750,951'Amorphous alloy for magnetic heads'19884,743,313'Amorphous alloy for use in magnetic heads'19884,608,228'Ni-Fe magnetic head including 1.5-2% Ta'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2004Patents assigned to ALPS ELECTRIC CO LTD (58)· patent assignee history
1986Based in Koide, JP· patent location history
1988–2000Based in Nagaoka, JP· patent location history
1995–2016Patents assigned to INOE AKIHISA (13)· patent assignee history
1995–2001Patents assigned to MASUMOTO TSUYOSHI (9)· patent assignee history
1997–2004Based in Niigata, JP· patent location history
2012–2016Patents assigned to MAKINO AKIHIRO (7)· patent assignee history
2012–2020Based in Sendai, JP· patent location history
2013–2020Based in Miyagi, JP· patent location history
2017–2020Patents assigned to TOHOKU MAGNET INST CO LTD (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALPS ELECTRIC CO LTD581986–2004
INOE AKIHISA131995–2016
MASUMOTO TSUYOSHI91995–2001
MAKINO AKIHIROself72012–2016
TOHOKU MAGNET INST CO LTD62017–2020
Locations
LocationPatentsSpan
Niigata, JP401997–2004
Nagaoka, JP181988–2000
Sendai, JP92012–2020
Miyagi, JP42013–2020
Koide, JP11986