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Patents Grants
last 30 patents
Information
Patent Grant
Phase-change memory device, phase-change channel transistor and mem...
Patent number
8,120,007
Issue date
Feb 21, 2012
Semiconductor Technology Academic Research Center
Sumio Hosaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Multi-value recording phase-change memory device, multi-value recor...
Patent number
7,932,508
Issue date
Apr 26, 2011
Semiconductor Technology Academic Research Center
Sumio Hosaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Phase-change memory device, phase-change channel transistor, and me...
Patent number
7,897,958
Issue date
Mar 1, 2011
Semiconductor Technology Academic Research Center
Sumio Hosaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Multi-value recording phase-change memory device, multi-value recor...
Patent number
7,781,753
Issue date
Aug 24, 2010
Semiconductor Technology Academic Research Center
Sumio Hosaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Scanning probe microscope and specimen surface structure measuring...
Patent number
7,241,994
Issue date
Jul 10, 2007
Riken
Tsuyoshi Hasegawa
G01 - MEASURING TESTING
Information
Patent Grant
Information recording medium and information recording device
Patent number
6,944,117
Issue date
Sep 13, 2005
Hitachi, Ltd.
Hiroki Yamamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Optically functional element and production method and application...
Patent number
6,844,092
Issue date
Jan 18, 2005
Hitachi, Ltd.
Hiroki Yamamoto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Laser interferometer displacement measuring system, exposure appara...
Patent number
6,839,142
Issue date
Jan 4, 2005
Hitachi, Ltd.
Fumio Isshiki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optically functional element and production method and application...
Patent number
6,790,502
Issue date
Sep 14, 2004
Hitachi, Ltd.
Hiroki Yamamoto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Near-field optical probe, near-field optical microscope and optical...
Patent number
6,768,556
Issue date
Jul 27, 2004
Hitachi, Ltd.
Takuya Matsumoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording media and information recording drive
Patent number
6,749,955
Issue date
Jun 15, 2004
Hitachi, Ltd.
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording disk
Patent number
6,746,749
Issue date
Jun 8, 2004
Hitachi, Ltd.
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording medium with recording film with cobalt oxide...
Patent number
6,700,852
Issue date
Mar 2, 2004
Hitachi, Ltd.
Hiroki Yamamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Laser interferometer displacement measuring system, exposure appara...
Patent number
6,687,013
Issue date
Feb 3, 2004
Hitachi, Ltd.
Fumio Isshiki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Information recording media and information recording drive
Patent number
6,534,206
Issue date
Mar 18, 2003
Hitachi, Ltd.
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording disk
Patent number
6,472,047
Issue date
Oct 29, 2002
Hitachi, Ltd.
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording disk, method of the magnetic recording disk and...
Patent number
6,410,133
Issue date
Jun 25, 2002
Hitachi, Ltd.
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording medium and recording device
Patent number
6,370,107
Issue date
Apr 9, 2002
Hitachi, Ltd.
Sumio Hosaka
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Near-field optical head and manufacturing method thereof and optica...
Patent number
6,304,527
Issue date
Oct 16, 2001
Hitachi, Ltd.
Kenchi Ito
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Device using sensor for small rotation angle
Patent number
6,246,652
Issue date
Jun 12, 2001
Hitachi, Ltd.
Atsushi Kikukawa
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Scanning probe microscope and processing apparatus
Patent number
5,965,881
Issue date
Oct 12, 1999
Hitachi Construction Machinery Co., Ltd.
Takafumi Morimoto
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Tracking method and recording means thereby
Patent number
5,808,977
Issue date
Sep 15, 1998
Hitachi, Ltd.
Hajime Koyanagi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Information recording apparatus
Patent number
5,796,706
Issue date
Aug 18, 1998
Hitachi, Ltd.
Toshimichi Shintani
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Precision machining method precision machining apparatus and data s...
Patent number
5,627,815
Issue date
May 6, 1997
Hitachi, Ltd.
Hajime Koyanagi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Information recording and reproducing method and apparatus
Patent number
5,615,192
Issue date
Mar 25, 1997
Hitachi, Ltd.
Atsushi Kikukawa
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Precision machining method, precision machining apparatus and data...
Patent number
5,471,064
Issue date
Nov 28, 1995
Hitachi, Ltd.
Hajime Koyanagi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Scanning probe microscope and method of control error correction
Patent number
5,467,642
Issue date
Nov 21, 1995
Hitachi, Ltd.
Sumio Hosaka
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Surface observing apparatus and method
Patent number
5,436,448
Issue date
Jul 25, 1995
Hitachi, Ltd.
Sumio Hosaka
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Surface measuring apparatus using a probe microscope
Patent number
5,431,055
Issue date
Jul 11, 1995
Hitachi, Ltd.
Keiji Takata
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Scanning tunnel microscope equipped with scanning electron microscope
Patent number
5,256,876
Issue date
Oct 26, 1993
Hitachi Ltd.
Eiichi Hazaki
B82 - NANO-TECHNOLOGY
Patents Applications
last 30 patents
Information
Patent Application
Phase-change memory device, phase-change channel transistor and mem...
Publication number
20110127486
Publication date
Jun 2, 2011
SEMICONDUCTOR TECHNOLOGY ACADEMIC RESEARCH CENTER
Sumio Hosaka
G11 - INFORMATION STORAGE
Information
Patent Application
MULTI-VALUE RECORDING PHASE-CHANGE MEMORY DEVICE, MULTI-VALUE RECOR...
Publication number
20100283027
Publication date
Nov 11, 2010
SEMICONDUCTOR TECHNOLOGY ACADEMIC RESEARCH CENTER
Sumio Hosaka
G11 - INFORMATION STORAGE
Information
Patent Application
Cantilever Type Sensor
Publication number
20100199746
Publication date
Aug 12, 2010
NATIONAL UNIVERSITY CORPORATION GUNMA UNIVERSITY
Sumio Hosaka
G01 - MEASURING TESTING
Information
Patent Application
MASS MEASURING DEVICE AND CANTILEVER
Publication number
20100095774
Publication date
Apr 22, 2010
National University Corporation Gunma University
Hayato Sone
G01 - MEASURING TESTING
Information
Patent Application
Multi-value recording phase-change memory device, multi-value recor...
Publication number
20080105861
Publication date
May 8, 2008
SEMICONDUCTOR TECHNOLOGY ACADEMIC RESEARCH CENTER
Sumio Hosaka
G11 - INFORMATION STORAGE
Information
Patent Application
Phase-change memory device, phase-change channel transistor, and me...
Publication number
20080049490
Publication date
Feb 28, 2008
Semiconductor Technology Academic Research Center
Sumio Hosaka
G11 - INFORMATION STORAGE
Information
Patent Application
Scanning probe microscope and specimen surface structure measuring...
Publication number
20050242283
Publication date
Nov 3, 2005
Tsuyoshi Hasegawa
G01 - MEASURING TESTING
Information
Patent Application
Information recording medium and information recording device
Publication number
20040091815
Publication date
May 13, 2004
Hiroki Yamamoto
G01 - MEASURING TESTING
Information
Patent Application
Laser interferometer displacement measuring system, exposure appara...
Publication number
20040057055
Publication date
Mar 25, 2004
Fumio Isshiki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Optically functional element and production method and application...
Publication number
20030161986
Publication date
Aug 28, 2003
Hitachi, Ltd
Hiroki Yamamoto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Information recording media and information recording drive
Publication number
20030134154
Publication date
Jul 17, 2003
Hitachi, Ltd
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording disk
Publication number
20020197516
Publication date
Dec 26, 2002
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic recording disk, method of the magnetic recording disk and...
Publication number
20020110707
Publication date
Aug 15, 2002
Fumiyoshi Kirino
G11 - INFORMATION STORAGE
Information
Patent Application
Laser interferometer displacement measuring system, exposure appara...
Publication number
20020048026
Publication date
Apr 25, 2002
Fumio Isshiki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Recording medium and recording device
Publication number
20010040864
Publication date
Nov 15, 2001
Hitachi, Ltd.
Sumio Hosaka
B82 - NANO-TECHNOLOGY