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Shinya Tanifuji
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Hitachi-Shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Train detection system and a train detection method
Patent number
7,200,470
Issue date
Apr 3, 2007
Hitachi, Ltd.
Kenji Oguma
B61 - RAILWAYS
Information
Patent Grant
Transmitter and receiver device for train detection
Patent number
7,027,901
Issue date
Apr 11, 2006
Hitachi, Ltd.
Kenji Oguma
B61 - RAILWAYS
Information
Patent Grant
Video or information processing method and processing apparatus, an...
Patent number
6,965,376
Issue date
Nov 15, 2005
Hitachi, Ltd.
Masayuki Tani
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Train detection system and a train detection method cross reference...
Patent number
6,829,526
Issue date
Dec 7, 2004
Hitachi, Ltd.
Kenji Oguma
B61 - RAILWAYS
Information
Patent Grant
Train detection system and a train detection method
Patent number
6,604,031
Issue date
Aug 5, 2003
Hitachi, Ltd.
Kenji Oguma
B61 - RAILWAYS
Information
Patent Grant
Train detection system
Patent number
6,470,244
Issue date
Oct 22, 2002
Hitachi, Ltd.
Kenji Oguma
B61 - RAILWAYS
Information
Patent Grant
Railway information transmission method and system
Patent number
6,374,165
Issue date
Apr 16, 2002
Hitachi, Ltd.
Kenji Oguma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Video or information processing method and processing apparatus, an...
Patent number
6,335,722
Issue date
Jan 1, 2002
Hitachi, Ltd.
Masayuki Tani
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Train detection system and a train detection method
Patent number
6,317,664
Issue date
Nov 13, 2001
Hitachi, Ltd.
Kenji Oguma
B61 - RAILWAYS
Information
Patent Grant
Train detection system and a train detection method
Patent number
6,230,085
Issue date
May 8, 2001
Hitachi, Ltd.
Kenji Oguma
B61 - RAILWAYS
Information
Patent Grant
Railway information transmission method and system
Patent number
6,230,086
Issue date
May 8, 2001
Hitachi, Ltd.
Kenji Oguma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Interaction support system and method
Patent number
6,211,857
Issue date
Apr 3, 2001
Hitachi, Ltd.
Masayuki Tani
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Video synchronization processing method and apparatus
Patent number
6,072,503
Issue date
Jun 6, 2000
Hitachi, Ltd.
Masayuki Tani
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Interaction support system and method
Patent number
5,777,597
Issue date
Jul 7, 1998
Hitachi, Ltd.
Masayuki Tani
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electric power system stabilization control apparatus and method th...
Patent number
5,703,791
Issue date
Dec 30, 1997
Hitachi, Ltd.
Masahiko Amano
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method and apparatus for defining procedures to be executed synchro...
Patent number
5,664,087
Issue date
Sep 2, 1997
Hitachi, Ltd.
Masayuki Tani
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Presentation supporting method and apparatus therefor
Patent number
5,634,018
Issue date
May 27, 1997
Hitachi, Ltd.
Koichiro Tanikoshi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System for centrally controlling letter data
Patent number
5,600,770
Issue date
Feb 4, 1997
Hitachi, Ltd.
Atsushi Kawabata
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Television broadcasting method and system enabling picture broadcas...
Patent number
5,502,497
Issue date
Mar 26, 1996
Hitachi, Ltd.
Kimiya Yamaashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System for centrally controlling letter data
Patent number
5,444,829
Issue date
Aug 22, 1995
Hitachi, Ltd.
Atsushi Kawabata
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data display method
Patent number
5,151,974
Issue date
Sep 29, 1992
Hitachi, Ltd.
Masayuki Tani
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
User interface system in which operation associated with input devi...
Patent number
5,119,479
Issue date
Jun 2, 1992
Hitachi, Ltd.
Toshifumi Arai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of extracting an image of a moving object
Patent number
4,783,833
Issue date
Nov 8, 1988
Hitachi, Ltd.
Atsushi Kawabata
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Computer control system utilizing knowledge processing
Patent number
4,740,886
Issue date
Apr 26, 1988
Hitachi, Ltd.
Shinya Tanifuji
G05 - CONTROLLING REGULATING
Information
Patent Grant
Interstand tension control system and method for tandem rolling mill
Patent number
4,379,395
Issue date
Apr 12, 1983
Hitachi, Ltd.
Seizi Konishi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of controlling the temperature of a heating furnace
Patent number
4,373,364
Issue date
Feb 15, 1983
Hitachi, Ltd.
Sunao Tanimoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for controlling temperature of multi-zone heating furnace
Patent number
4,338,077
Issue date
Jul 6, 1982
Nippon Kokan Kabushiki Kaisha
Hiroshi Shibayama
C21 - METALLURGY OF IRON
Information
Patent Grant
Gauge and tension control system for tandem rolling mill
Patent number
4,292,825
Issue date
Oct 6, 1981
Hitachi, Ltd.
Yasuo Morooka
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for controlling furnace temperature of multi-zone heating fu...
Patent number
4,255,133
Issue date
Mar 10, 1981
Hitachi, Ltd.
Shinya Tanifuji
C21 - METALLURGY OF IRON
Information
Patent Grant
Gauge control method and system for rolling mill
Patent number
4,240,147
Issue date
Dec 16, 1980
Hitachi, Ltd.
Yasuo Morooka
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
Train detection system and a train detection method
Publication number
20060155433
Publication date
Jul 13, 2006
Kenji Oguma
B61 - RAILWAYS
Information
Patent Application
Train detection system and a train detection method
Publication number
20050075765
Publication date
Apr 7, 2005
Kenji Oguma
B61 - RAILWAYS
Information
Patent Application
Video or information processing method and processing apparatus, an...
Publication number
20040227739
Publication date
Nov 18, 2004
Masayuki Tani
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Train detection system and a train detection method cross reference...
Publication number
20040030467
Publication date
Feb 12, 2004
Kenji Oguma
B61 - RAILWAYS
Information
Patent Application
Train detection system and a train detection method
Publication number
20020193917
Publication date
Dec 19, 2002
Kenji Oguma
B61 - RAILWAYS
Information
Patent Application
Video or information processing method and processing apparatus, an...
Publication number
20020075244
Publication date
Jun 20, 2002
Masayuki Tani
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Train detection system and a train detection method
Publication number
20020029100
Publication date
Mar 7, 2002
Kenji Oguma
B61 - RAILWAYS
Information
Patent Application
System for centrally controlling letter data
Publication number
20010052901
Publication date
Dec 20, 2001
Hitachi, Ltd
Atsushi Kawabata
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Train detection system and a train detection method
Publication number
20010029412
Publication date
Oct 11, 2001
Kenji Oguma
B61 - RAILWAYS
Information
Patent Application
Railway information transmission method and system
Publication number
20010012977
Publication date
Aug 9, 2001
Kenji Oguma
B61 - RAILWAYS