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Patents Grants
last 30 patents
Information
Patent Grant
Rare-earth magnet
Patent number
8,119,260
Issue date
Feb 21, 2012
Hitachi, Ltd.
Matahiro Komuro
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Low loss magnet and magnetic circuit using the same
Patent number
7,806,991
Issue date
Oct 5, 2010
Hitachi, Ltd.
Matahiro Komuro
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Magnetic recording medium, a manufacturing method thereof, and a ma...
Patent number
6,689,456
Issue date
Feb 10, 2004
Hitachi, Ltd.
Tetsuo Nakazawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Anode target for X-ray tube and X-ray tube therewith
Patent number
6,487,275
Issue date
Nov 26, 2002
Hitachi, Ltd.
Noboru Baba
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device for improved power conversion having a hexagon...
Patent number
5,736,753
Issue date
Apr 7, 1998
Hitachi, Ltd.
Toshiyuki Ohno
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Spin interaction device
Patent number
5,728,481
Issue date
Mar 17, 1998
Hitachi, Ltd.
Masahiro Kasai
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Magnetic semiconductor element and a magneto-optical read out head
Patent number
5,229,621
Issue date
Jul 20, 1993
Hitachi, Ltd.
Matahiro Komuro
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Superconducting thin films made of stacked composite oxide layers
Patent number
4,983,575
Issue date
Jan 8, 1991
Hitachi, Ltd.
Matahiro Komuro
C30 - CRYSTAL GROWTH
Information
Patent Grant
Multi-layered ferromagnetic film and method of manufacturing the same
Patent number
4,698,273
Issue date
Oct 6, 1987
Hitachi, Ltd.
Matahiro Komuro
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method for controlling arc welding and apparatus therefor
Patent number
4,454,408
Issue date
Jun 12, 1984
Hitachi, Ltd.
Ryoichi Kajiwara
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of electrode current control in welding apparatus having a p...
Patent number
4,396,823
Issue date
Aug 2, 1983
Hitachi, Ltd.
Masayasu Nihei
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
RARE-EARTH MAGNET
Publication number
20120175986
Publication date
Jul 12, 2012
Matahiro Komuro
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Low loss magnet and magnetic circuit using the same
Publication number
20070151632
Publication date
Jul 5, 2007
Matahiro Komuro
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Magnetic material, magnet, and rotating machine
Publication number
20070071979
Publication date
Mar 29, 2007
Matahiro Komuro
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Magnet, magnet magnetic material, coating film forming treatment li...
Publication number
20070065677
Publication date
Mar 22, 2007
Yuichi Satsu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Glass member and production process thereof
Publication number
20070044514
Publication date
Mar 1, 2007
Takashi Naitou
B32 - LAYERED PRODUCTS
Information
Patent Application
Glass member
Publication number
20070029925
Publication date
Feb 8, 2007
Takashi Naitou
B32 - LAYERED PRODUCTS
Information
Patent Application
Fluoride coating compositions, methods for forming fluoride coating...
Publication number
20060222848
Publication date
Oct 5, 2006
Yuichi Satsu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Glass member
Publication number
20060177664
Publication date
Aug 10, 2006
Takashi Naitou
B32 - LAYERED PRODUCTS
Information
Patent Application
Glass member and production process thereof
Publication number
20060063006
Publication date
Mar 23, 2006
Takashi Naitou
B32 - LAYERED PRODUCTS
Information
Patent Application
Glass member
Publication number
20060063009
Publication date
Mar 23, 2006
Takashi Naitou
B32 - LAYERED PRODUCTS
Information
Patent Application
Rare-earth magnet
Publication number
20060022175
Publication date
Feb 2, 2006
Matahiro Komuro
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Magnetic recording medium, a manufacturing method thereof, and a ma...
Publication number
20020034665
Publication date
Mar 21, 2002
Tetsuo Nakazawa
G11 - INFORMATION STORAGE