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Akira Maeda
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Yokohama-shi, Kanagawa-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Secure multi database system including a plurality of database devices
Patent number
7,152,067
Issue date
Dec 19, 2006
Hitachi, Ltd.
Yuichi Yagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and system for embedding information into contents
Patent number
6,826,291
Issue date
Nov 30, 2004
Hitachi, Ltd.
Hiroshi Yoshiura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Secure multi database system including a client, multi database ser...
Patent number
6,792,425
Issue date
Sep 14, 2004
Hitachi, Ltd.
Yuichi Yagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Digital watermark image processing method
Patent number
6,584,210
Issue date
Jun 24, 2003
Hitachi, Ltd.
Jun′ichi Taguchi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data analysis method and apparatus for data mining
Patent number
6,510,457
Issue date
Jan 21, 2003
Hitachi, Ltd.
Erika Ayukawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data analyzing method for generating rules
Patent number
6,321,217
Issue date
Nov 20, 2001
Hitachi, Ltd.
Akira Maeda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data analyzing method
Patent number
5,940,815
Issue date
Aug 17, 1999
Hitachi, Ltd.
Akira Maeda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data extracting system based on characteristic quantities of data d...
Patent number
5,933,796
Issue date
Aug 3, 1999
Hitachi, Ltd.
Hitoshi Ashida
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Non-linear model automatic generating method
Patent number
5,819,246
Issue date
Oct 6, 1998
Hitachi, Ltd.
Hitoshi Ashida
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data analysis apparatus
Patent number
5,802,254
Issue date
Sep 1, 1998
Hitachi, Ltd.
Yoshinori Satou
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Rule generation system and method of generating rule
Patent number
5,802,509
Issue date
Sep 1, 1998
Hitachi, Ltd.
Akira Maeda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Data analyzing method and system
Patent number
5,761,389
Issue date
Jun 2, 1998
Akira Maeda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Information processing apparatus for obtaining output data from plu...
Patent number
5,682,466
Issue date
Oct 28, 1997
Hitachi, Ltd.
Akira Maeda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Information processing apparatus and monitoring apparatus
Patent number
5,638,492
Issue date
Jun 10, 1997
Hitachi, Ltd.
Akira Maeda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Fuzzy rule acquisition method and apparatus for fuzzy inference sys...
Patent number
5,487,130
Issue date
Jan 23, 1996
Hitachi, Ltd.
Toshihide Ichimori
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Learning method and apparatus
Patent number
5,463,718
Issue date
Oct 31, 1995
Hitachi, Ltd.
Akira Maeda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Magnetic resonance imaging method for moving object
Patent number
5,115,812
Issue date
May 26, 1992
Hitachi, Ltd.
Koichi Sano
G01 - MEASURING TESTING
Information
Patent Grant
Image reconstruction method for a magnetic resonance imaging device...
Patent number
5,003,263
Issue date
Mar 26, 1991
Hitachi, Ltd. , Hitachi Medical Corporation
Takashi Kasama
G01 - MEASURING TESTING
Information
Patent Grant
Pipelined vector processor for executing recursive instructions
Patent number
4,967,350
Issue date
Oct 30, 1990
Director General of Agency of Industrial Science and Technology
Akira Maeda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for MRI
Patent number
4,939,462
Issue date
Jul 3, 1990
Hitachi, Ltd.
Akira Maeda
G01 - MEASURING TESTING
Information
Patent Grant
MR imaging method and apparatus
Patent number
4,912,412
Issue date
Mar 27, 1990
Hitachi, Ltd.
Kazuo Suzuki
G01 - MEASURING TESTING
Information
Patent Grant
Image correction system for scanning electron microscope
Patent number
4,907,287
Issue date
Mar 6, 1990
Hitachi, Ltd.
Koichi Homma
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Phase correcting method in a magnetic resonance imaging system and...
Patent number
4,902,974
Issue date
Feb 20, 1990
Hitachi, Ltd.
Akira Maeda
G01 - MEASURING TESTING
Information
Patent Grant
Image reconstruction method in nuclear magnetic resonance imaging s...
Patent number
4,875,012
Issue date
Oct 17, 1989
Hitachi, Ltd.
Akira Maeda
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method of reconstructing images from synthetic aperture radar's data
Patent number
4,758,838
Issue date
Jul 19, 1988
Hitachi, Ltd.
Akira Maeda
G01 - MEASURING TESTING
Information
Patent Grant
Multiprocessor system having mutual exclusion control function
Patent number
4,621,318
Issue date
Nov 4, 1986
Tokyo Shibaura Denki Kabushiki Kaisha
Akira Maeda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of reconstructing synthetic aperture radar image
Patent number
4,616,227
Issue date
Oct 7, 1986
Hitachi, Ltd.
Koichi Homma
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Secure multi database system
Publication number
20050027680
Publication date
Feb 3, 2005
Hitachi, Ltd
Yuichi Yagawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and system for embedding information into contents
Publication number
20020076086
Publication date
Jun 20, 2002
Hiroshi Yoshiura
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Secure multi database system
Publication number
20020065956
Publication date
May 30, 2002
Yuichi Yagawa
G06 - COMPUTING CALCULATING COUNTING