Kiyotaka Yamauchi

Person

Kumagaya, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic alloy with ultrafine crystal grains and method of producin...
- Patent number 5,591,276
- Issue date Jan 7, 1997
- Hitachi Metals, Ltd.
- Yoshihito Yoshizawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Surge current-suppressing circuit and magnetic device therein
- Patent number 5,443,664
- Issue date Aug 22, 1995
- Hitachi Metals, Ltd.
- Shin Nakajima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Permanent magnet assembly for stably fixing denture
- Patent number 5,337,033
- Issue date Aug 9, 1994
- Hitachi Metals, Ltd.
- Yohsuke Kinouchi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Fe-base soft magnetic alloy and method of producing same
- Patent number 5,160,379
- Issue date Nov 3, 1992
- Hitachi Metals, Ltd.
- Yoshihito Yoshizawa
- C21 - METALLURGY OF IRON
Information Patent Grant
Soft magnetic alloy with ultrafine crystal grains and method of pro...
- Patent number 5,151,137
- Issue date Sep 29, 1992
- Hitachi Metals Ltd.
- Yoshihito Yoshizawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic core
- Patent number 5,114,503
- Issue date May 19, 1992
- Hitachi Metals, Inc.
- Yoshihito Yoshizawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for making wound magnetic core
- Patent number 5,083,366
- Issue date Jan 28, 1992
- Hitachi Metals, Ltd.
- Shunsuke Arakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wound magnetic core
- Patent number 5,072,205
- Issue date Dec 10, 1991
- Hitachi Metals, Ltd.
- Shunsuke Arakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low-frequency transformer
- Patent number 5,069,731
- Issue date Dec 3, 1991
- Hitachi Metals, Ltd.
- Yoshihito Yoshizawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Fe-base soft magnetic alloy powder and magnetic core thereof and me...
- Patent number 4,985,089
- Issue date Jan 15, 1991
- Hitachi Metals, Ltd.
- Yoshihito Yoshizawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic device for high-voltage pulse generating apparatuses
- Patent number 4,983,859
- Issue date Jan 8, 1991
- Hitachi Metals, Ltd.
- Shin Nakajima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Anti-theft sensor marker
- Patent number 4,945,339
- Issue date Jul 31, 1990
- Hitachi Metals, Ltd.
- Kiyotaka Yamauchi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Magnetic head containing an Fe-base soft magnetic alloy layer
- Patent number 4,918,555
- Issue date Apr 17, 1990
- Hitachi Metals, Ltd.
- Yoshihito Yoshizawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Fe-base soft magnetic alloy and method of producing same
- Patent number 4,881,989
- Issue date Nov 21, 1989
- Hitachi Metals, Ltd.
- Yoshihito Yoshizawa
- C21 - METALLURGY OF IRON
Information Patent Grant
High-voltage pulse generating apparatus
- Patent number 4,871,925
- Issue date Oct 3, 1989
- Hitachi Metals, Ltd.
- Kiyotaka Yamauchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for measuring losses of a magnetic core
- Patent number 4,827,214
- Issue date May 2, 1989
- Hitachi Metals, Ltd.
- Shin Nakajima
- G01 - MEASURING TESTING
Information Patent Grant
DC-DC converter with saturable reactor reset circuit
- Patent number 4,811,187
- Issue date Mar 7, 1989
- Hitachi Metals Ltd.
- Shin Nakajima
- G05 - CONTROLLING REGULATING
Information Patent Grant
Magnetic core
- Patent number 4,769,091
- Issue date Sep 6, 1988
- Hitachi Metals Ltd.
- Yoshihito Yoshizawa
- C21 - METALLURGY OF IRON
Information Patent Grant
Lamination type of magnetostrictor and manufacturing method thereof
- Patent number 4,757,219
- Issue date Jul 12, 1988
- Hitachi Metals, Ltd.
- Kiyotaka Yamauchi
- H01 - BASIC ELECTRIC ELEMENTS

Kiyotaka Yamauchi

Person

Patents Grantslast 30 patents

Magnetic alloy with ultrafine crystal grains and method of producin...

Surge current-suppressing circuit and magnetic device therein

Permanent magnet assembly for stably fixing denture

Fe-base soft magnetic alloy and method of producing same

Soft magnetic alloy with ultrafine crystal grains and method of pro...

Magnetic core

Method for making wound magnetic core

Wound magnetic core

Low-frequency transformer

Fe-base soft magnetic alloy powder and magnetic core thereof and me...

Magnetic device for high-voltage pulse generating apparatuses

Anti-theft sensor marker

Magnetic head containing an Fe-base soft magnetic alloy layer

Fe-base soft magnetic alloy and method of producing same

High-voltage pulse generating apparatus

Method for measuring losses of a magnetic core

DC-DC converter with saturable reactor reset circuit

Magnetic core

Lamination type of magnetostrictor and manufacturing method thereof