Toshikazu Nishiyama

Person

Fukaya, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Differential transmission cable and joint with specific distances
- Patent number 6,448,863
- Issue date Sep 10, 2002
- Hitachi Metals, Ltd.
- Tomomi Ogawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical switch
- Patent number 6,169,826
- Issue date Jan 2, 2001
- Hitachi Metals, Ltd.
- Toshikazu Nishiyama
- G02 - OPTICS
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
Material for nonmagnetic oxide substrate and magnetic head
- Patent number 5,290,738
- Issue date Mar 1, 1994
- Hitachi Metals, Ltd.
- Hiroshi Tomishima
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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
MnO/NiO-based nonmagnetic substrate material
- Patent number 5,057,374
- Issue date Oct 15, 1991
- Hitachi Metals, Ltd.
- Kazuhiro Tsuchiya
- G11 - INFORMATION STORAGE
Information Patent Grant
Flying-type composite magnetic head
- Patent number 5,010,431
- Issue date Apr 23, 1991
- Hitachi Metals, Ltd.
- Tadashi Shinohara
- G11 - INFORMATION STORAGE
Information Patent Grant
Flying-type composite magnetic head having magnetic core with impro...
- Patent number 5,008,767
- Issue date Apr 16, 1991
- Hitachi Metals, Ltd.
- Hitoshi Iwata
- G11 - INFORMATION STORAGE
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
Magnetic head containing amorphous alloy and crystallizable glass
- Patent number 4,816,949
- Issue date Mar 28, 1989
- Hitachi, Ltd.
- Seiichi Yamada
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head having MnO/NiO-based nonmagnetic substrate
- Patent number 4,805,059
- Issue date Feb 14, 1989
- Hitachi Metals, Ltd.
- Kazuhiro Tsuchiya
- G11 - INFORMATION STORAGE

Toshikazu Nishiyama

Person

Patents Grantslast 30 patents

Differential transmission cable and joint with specific distances

Optical switch

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

Material for nonmagnetic oxide substrate and magnetic head

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

MnO/NiO-based nonmagnetic substrate material

Flying-type composite magnetic head

Flying-type composite magnetic head having magnetic core with impro...

Magnetic head containing an Fe-base soft magnetic alloy layer

Magnetic head containing amorphous alloy and crystallizable glass

Magnetic head having MnO/NiO-based nonmagnetic substrate