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Shigeru Serikawa
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Nakai, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical inspection method and its apparatus
Patent number
8,781,758
Issue date
Jul 15, 2014
Hitachi High-Technologies Corporation
Shigeru Serikawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for defect determination in fine concave-convex pattern and...
Patent number
8,638,430
Issue date
Jan 28, 2014
Hitachi High-Technologies Corporation
Hideaki Sasazawa
G01 - MEASURING TESTING
Information
Patent Grant
Scatterometry method and device for inspecting patterned medium
Patent number
8,411,928
Issue date
Apr 2, 2013
Hitachi High-Technologies Corporation
Hideaki Sasazawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk surface inspection apparatus, inspection system thereof, and i...
Patent number
8,253,935
Issue date
Aug 28, 2012
Hitachi High-Technologies Corporation
Tatsuo Hariyama
G01 - MEASURING TESTING
Information
Patent Grant
Surface defect inspecting apparatus with defect detection optical s...
Patent number
8,018,585
Issue date
Sep 13, 2011
Hitachi High-Technologies Corporation
Tatsuo Hariyama
G01 - MEASURING TESTING
Information
Patent Grant
Method and device for detecting shape of surface of medium
Patent number
7,969,567
Issue date
Jun 28, 2011
Hitachi High-Technologies Corporation
Minoru Yoshida
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for detecting defects on a disk surface
Patent number
7,898,652
Issue date
Mar 1, 2011
Hitachi High-Technologies Corporation
Tatsuo Hariyama
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for measuring heterodyne optical interference...
Patent number
7,612,888
Issue date
Nov 3, 2009
Hitachi High-Technologies Corporation
Shigeru Serikawa
G01 - MEASURING TESTING
Information
Patent Grant
Interference detecting system for use in interferometer
Patent number
6,295,131
Issue date
Sep 25, 2001
Hitachi Electronics Engineering Co., Ltd.
Tuneo Yamaba
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
MAGNETIC DISK INSPECTION DEVICE AND MAGNETIC DISK INSPECTION METHOD
Publication number
20160216216
Publication date
Jul 28, 2016
HITACHI HIGH-TECH FINE SYSTEMS CORPORATION
Shigeru SERIKAWA
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL SURFACE DEFECT INSPECTION APPARATUS AND OPTICAL SURFACE DEF...
Publication number
20140071442
Publication date
Mar 13, 2014
Hitachi High-Technologies Corporation
Shigeru SERIKAWA
G01 - MEASURING TESTING
Information
Patent Application
SURFACE INSPECTING APPARATUS HAVING DOUBLE RECIPE PROCESSING FUNCTION
Publication number
20140043603
Publication date
Feb 13, 2014
Hitachi High-Technologies Corporation
Yu YANAKA
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL SURFACE DEFECT INSPECTION APPARATUS AND OPTICAL SURFACE DEF...
Publication number
20130286386
Publication date
Oct 31, 2013
Hitachi High-Technologies Corporation
Shigeru SERIKAWA
G01 - MEASURING TESTING
Information
Patent Application
METHOD AND APPARATUS FOR INSPECTING SURFACE OF A SAMPLE
Publication number
20130258327
Publication date
Oct 3, 2013
Hitachi High-Technologies Corporation
Yu KUSAKA
G01 - MEASURING TESTING
Information
Patent Application
DISK SURFACE INSPECTION METHOD AND DISK SURFACE INSPECTION DEVICE
Publication number
20130258328
Publication date
Oct 3, 2013
Hitachi High-Technologies Corporation
Nobuyuki SUGIMOTO
G01 - MEASURING TESTING
Information
Patent Application
SUBSTRATE SURFACE DEFECT INSPECTION METHOD AND INSPECTION DEVICE
Publication number
20130077092
Publication date
Mar 28, 2013
Hitachi High-Technologies Corporation
Hideaki SASAZAWA
G01 - MEASURING TESTING
Information
Patent Application
INSPECTION METHOD AND DEVICE FOR SAME
Publication number
20120320367
Publication date
Dec 20, 2012
Hitachi High-Technologies Corporation
Yu Yanaka
G01 - MEASURING TESTING
Information
Patent Application
PATTERN INSPECTION METHOD AND DEVICE FOR SAME
Publication number
20120287426
Publication date
Nov 15, 2012
Hideaki Sasazawa
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL INSPECTION METHOD AND ITS APPARATUS
Publication number
20120046885
Publication date
Feb 23, 2012
Hitachi High-Technologies Corporation
Shigeru SERIKAWA
G01 - MEASURING TESTING
Information
Patent Application
PATTERN SHAPE INSPECTION INSTRUMENT AND PATTERN SHAPE INSPECTION ME...
Publication number
20110272096
Publication date
Nov 10, 2011
Hitachi High-Technologies Corporation
Shigeru SERIKAWA
G01 - MEASURING TESTING
Information
Patent Application
METHOD FOR DEFECT DETERMINATION IN FINE CONCAVE-CONVEX PATTERN AND...
Publication number
20110001962
Publication date
Jan 6, 2011
Hitachi High-Technologies Corporation
Hideaki Sasazawa
G01 - MEASURING TESTING
Information
Patent Application
DISK SURFACE DEFECT INSPECTION METHOD AND APPARATUS
Publication number
20100246356
Publication date
Sep 30, 2010
Hitachi High-Technologies Corporation
Bin Abdulrashid FARIZ
G01 - MEASURING TESTING
Information
Patent Application
DISK SURFACE INSPECTION APPARATUS, INSPECTION SYSTEM THEREOF, AND I...
Publication number
20100201975
Publication date
Aug 12, 2010
Tatsuo HARIYAMA
G01 - MEASURING TESTING
Information
Patent Application
METHOD AND DEVICE FOR INSPECTING PATTERNED MEDIUM
Publication number
20100098320
Publication date
Apr 22, 2010
Hitachi High-Technologies Corporation
Hideaki SASAZAWA
G01 - MEASURING TESTING
Information
Patent Application
METHOD AND DEVICE FOR DETECTING SHAPE OF SURFACE OF MEDIUM
Publication number
20100085855
Publication date
Apr 8, 2010
Hitachi High-Technologies Corporation
Minoru YOSHIDA
G11 - INFORMATION STORAGE
Information
Patent Application
SURFACE DEFECT INSPECTING APPARATUS WITH DEFECT DETECTION OPTICAL S...
Publication number
20090237669
Publication date
Sep 24, 2009
Tatsuo HARIYAMA
G01 - MEASURING TESTING
Information
Patent Application
METHOD AND APPARATUS FOR DETECTING DEFECTS ON A DISK SURFACE
Publication number
20090190123
Publication date
Jul 30, 2009
Tatsuo HARIYAMA
G01 - MEASURING TESTING
Information
Patent Application
METHOD AND APPARATUS FOR INSPECTING A SURFACE OF A SPECIMEN
Publication number
20080239904
Publication date
Oct 2, 2008
Minoru YOSHIDA
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL SYSTEM OF DETECTING PERIPHERAL SURFACE DEFECT OF GLASS DISK...
Publication number
20080088830
Publication date
Apr 17, 2008
Shigeru SERIKAWA
G01 - MEASURING TESTING
Information
Patent Application
DETECTION METHOD OF PERIPHERAL SURFACE DEFECT OF DISK AND DETECTION...
Publication number
20080080346
Publication date
Apr 3, 2008
Shigeru SERIKAWA
G11 - INFORMATION STORAGE
Information
Patent Application
TESTING METHOD FOR SURFACE DEFECTS ON DISC AND TESTING APPARATUS FO...
Publication number
20070222975
Publication date
Sep 27, 2007
SHIGERU SERIKAWA
G01 - MEASURING TESTING
Information
Patent Application
MEASURING METHOD OF OPTICAL HETERODYNE INTERFERENCE AND A MEASURING...
Publication number
20070206198
Publication date
Sep 6, 2007
Shigeru Serikawa
G01 - MEASURING TESTING