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Tadahiko Miyoshi
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Hitachi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Sodium-sulphur battery system and driving method thereof
Patent number
6,522,103
Issue date
Feb 18, 2003
Hitachi, Ltd.
Tadahiko Miyoshi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Sodium-sulfur battery, and a battery system using same
Patent number
6,329,099
Issue date
Dec 11, 2001
Hitachi, Ltd.
Tetsuo Oyama
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Electric power system using an electric power storing secondary bat...
Patent number
6,323,620
Issue date
Nov 27, 2001
Hitachi, Ltd.
Tadahiko Miyoshi
G01 - MEASURING TESTING
Information
Patent Grant
Sodium-sulfur battery, and a battery system using same
Patent number
5,962,160
Issue date
Oct 5, 1999
Hitachi, Ltd.
Tetsuo Oyama
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Superconducting wire and method of manufacturing the same
Patent number
5,935,912
Issue date
Aug 10, 1999
Hitachi, Ltd.
Ken Takahashi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Polymeric metal oxide materials and their formation and use
Patent number
5,843,591
Issue date
Dec 1, 1998
Hitachi, Ltd.
Tomoji Oishi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymeric metal oxide materials and their formation and use
Patent number
5,643,642
Issue date
Jul 1, 1997
Hitachi, Ltd.
Tomoji Oishi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymeric metal oxide materials and their formation and use
Patent number
5,460,877
Issue date
Oct 24, 1995
Hitachi, Ltd.
Tomoji Oishi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Conductive material and process for preparing the same
Patent number
5,403,674
Issue date
Apr 4, 1995
Hitachi, Ltd.
Yoshiyuki Yasutomi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Hot wire air flow meter
Patent number
5,367,906
Issue date
Nov 29, 1994
Hitachi, Ltd.
Shigeo Tsuruoka
G01 - MEASURING TESTING
Information
Patent Grant
Mounting substrate
Patent number
5,350,886
Issue date
Sep 27, 1994
Hitachi, Ltd.
Kunio Miyazaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Conductive material and process for preparing the same
Patent number
5,271,871
Issue date
Dec 21, 1993
Hitachi, Ltd.
Yoshiyuki Yasutomi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Semiconductor device and electronic apparatus using semiconductor d...
Patent number
5,258,649
Issue date
Nov 2, 1993
Hitachi, Ltd.
Akira Tanaka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Polymeric metal oxide materials and their formation and use
Patent number
5,234,556
Issue date
Aug 10, 1993
Hitachi, Ltd.
Tomoji Oishi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
High strength composite ceramic structure and process for producing...
Patent number
5,200,373
Issue date
Apr 6, 1993
Hitachi, Ltd.
Yoshiyuki Yasutomi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Nuclear fusion reactor
Patent number
5,182,075
Issue date
Jan 26, 1993
Hitachi, Ltd.
Yoshitaka Gotoh
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Superconducting wire and method of manufacturing the same
Patent number
5,093,314
Issue date
Mar 3, 1992
Hitachi, Ltd.
Ken Takahashi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Conductive material and process for preparing the same
Patent number
5,085,806
Issue date
Feb 4, 1992
Hitachi, Ltd.
Yoshiyuki Yasutomi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Ceramic matrices reinforced with SiC, Si.sub.3 N.sub.4 or SiAlON fi...
Patent number
5,057,465
Issue date
Oct 15, 1991
Hitachi, Ltd.
Hiroshi Sakamoto
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Carbon coated silicon carbide, silicon nitride or sialon fibers in...
Patent number
5,055,430
Issue date
Oct 8, 1991
Hitachi, Ltd.
Hiroshi Sakamoto
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Installation structure of integrated circuit devices
Patent number
5,045,922
Issue date
Sep 3, 1991
Hitachi, Ltd.
Hironori Kodama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High thermal expansion coefficient ceramic sinter and a composite b...
Patent number
5,043,305
Issue date
Aug 27, 1991
Hitachi, Ltd.
Akira Tanaka
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method of manufacturing a hot wire air flow meter
Patent number
5,020,214
Issue date
Jun 4, 1991
Hitachi, Ltd.
Shigeo Tsuruoka
G01 - MEASURING TESTING
Information
Patent Grant
X-ray tube and method for generating X-rays in the X-ray tube
Patent number
4,891,831
Issue date
Jan 2, 1990
Hitachi, Ltd.
Akira Tanaka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silicon nitride sintered body and method for producing same
Patent number
4,806,510
Issue date
Feb 21, 1989
Hitachi, Ltd.
Tsuneyuki Kanai
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
High toughness ceramics and process for the preparation thereof
Patent number
4,729,972
Issue date
Mar 8, 1988
Hitachi, Ltd.
Hironori Kodama
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
High toughness silicon nitride sintered body and process for produc...
Patent number
4,612,296
Issue date
Sep 16, 1986
Hitachi, Ltd.
Hiroshi Sakamoto
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Silicon carbide electrical insulator material of low dielectric con...
Patent number
4,544,642
Issue date
Oct 1, 1985
Hitachi, Ltd.
Kunihiro Maeda
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Gas detection device
Patent number
4,478,704
Issue date
Oct 23, 1984
Hitachi, Ltd.
Tadahiko Miyoshi
G01 - MEASURING TESTING
Information
Patent Grant
Nonlinear resistor and process for producing the same
Patent number
4,450,426
Issue date
May 22, 1984
Hitachi, Ltd.
Tadahiko Miyoshi
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Sodium-sulfur battery
Publication number
20030108788
Publication date
Jun 12, 2003
Tadahiko Miyoshi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
System and method for providing information on secondary batteries...
Publication number
20020123850
Publication date
Sep 5, 2002
Hitachi, Ltd.
Tadahiko Miyoshi
G01 - MEASURING TESTING