Koichi Aso

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magneto-optical recording medium with stacked layer structure
- Patent number 5,400,307
- Issue date Mar 21, 1995
- Sony Corporation
- Yoshitaka Ochiai
- G11 - INFORMATION STORAGE
Information Patent Grant
High-density magnetic recording and reproducing head
- Patent number 5,331,491
- Issue date Jul 19, 1994
- Sony Corporation
- Masatoshi Hayakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for producing KTIOPO4 single crystal
- Patent number 5,322,588
- Issue date Jun 21, 1994
- Sony Corporation
- Kazutaka Habu
- C30 - CRYSTAL GROWTH
Information Patent Grant
Magnetic recording medium
- Patent number 5,266,418
- Issue date Nov 30, 1993
- Sony Corporation
- Kazuhiko Hayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Fe-N-based soft magnetic thin films and magnetic heads using such f...
- Patent number 5,182,690
- Issue date Jan 26, 1993
- Sony Corporation
- Kenji Katori
- G11 - INFORMATION STORAGE
Information Patent Grant
Soft magnetic thin films of alloys of FeCoNi or FeCoDy and laminate...
- Patent number 5,057,380
- Issue date Oct 15, 1991
- Sony Corporation
- Kazuhiko Hayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Device for producing a high frequency modulation magnetic field use...
- Patent number 4,796,241
- Issue date Jan 3, 1989
- Sony Corporation
- Masatoshi Hayakawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic composite film
- Patent number 4,707,417
- Issue date Nov 17, 1987
- Sony Corporation
- Masatoshi Hayakawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic material having high permeability in the high frequency range
- Patent number 4,640,871
- Issue date Feb 3, 1987
- Sony Corporation
- Kazuhiko Hayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing an amorphous magnetic alloy
- Patent number 4,639,278
- Issue date Jan 27, 1987
- Sony Corporation
- Yoshimi Makino
- C21 - METALLURGY OF IRON
Information Patent Grant
Annealing method for amorphous magnetic alloy
- Patent number 4,475,962
- Issue date Oct 9, 1984
- Sony Corporation
- Masatoshi Hayakawa
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of manufacturing an amorphous magnetic alloy
- Patent number 4,473,415
- Issue date Sep 25, 1984
- Sony Corporation
- Yoshitaka Ochiai
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of manufacturing amorphous magnetic alloy ribbon and use for...
- Patent number 4,444,602
- Issue date Apr 24, 1984
- Sony Corporation
- Yoshimi Makino
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of manufacturing an amorphous magnetic alloy
- Patent number 4,379,004
- Issue date Apr 5, 1983
- Sony Corporation
- Yoshimi Makino
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of manufacturing a high permeability amorphous magnetic alloy
- Patent number 4,311,539
- Issue date Jan 19, 1982
- Sony Corporation
- Satoru Uedaira
- C21 - METALLURGY OF IRON
Information Patent Grant
Amorphous magnetic alloy
- Patent number 4,190,438
- Issue date Feb 26, 1980
- Sony Corporation
- Koichi Aso
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Person

Patents Grantslast 30 patents

Magneto-optical recording medium with stacked layer structure

High-density magnetic recording and reproducing head

Method for producing KTIOPO4 single crystal

Magnetic recording medium

Fe-N-based soft magnetic thin films and magnetic heads using such f...

Soft magnetic thin films of alloys of FeCoNi or FeCoDy and laminate...

Device for producing a high frequency modulation magnetic field use...

Magnetic composite film

Magnetic material having high permeability in the high frequency range

Method of manufacturing an amorphous magnetic alloy

Annealing method for amorphous magnetic alloy

Method of manufacturing an amorphous magnetic alloy

Method of manufacturing amorphous magnetic alloy ribbon and use for...

Method of manufacturing an amorphous magnetic alloy

Method of manufacturing a high permeability amorphous magnetic alloy

Amorphous magnetic alloy