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Yoshiaki Kojima
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Tsurugashima, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Electron beam displacement measuring method, electron beam displace...
Patent number
8,289,384
Issue date
Oct 16, 2012
Nuflare Technology, Inc.
Yoshiaki Kojima
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Information recording method and information recording apparatus
Patent number
7,965,606
Issue date
Jun 21, 2011
Pioneer Corporation
Yoshiaki Kojima
G11 - INFORMATION STORAGE
Information
Patent Grant
Electron beam lithography apparatus
Patent number
7,473,910
Issue date
Jan 6, 2009
Pioneer Corporation
Yoshiaki Kojima
G11 - INFORMATION STORAGE
Information
Patent Grant
Beam adjusting sample, beam adjusting method and beam adjusting device
Patent number
7,276,692
Issue date
Oct 2, 2007
Pioneer Corporation
Masahiro Katsumura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for measuring a minute pitch
Patent number
7,200,095
Issue date
Apr 3, 2007
Pioneer Corporation
Yoshiaki Kojima
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical head apparatus
Patent number
6,996,043
Issue date
Feb 7, 2006
Pioneer Corporation
Osamu Kasono
G11 - INFORMATION STORAGE
Information
Patent Grant
Laser-based measuring apparatus for measuring an axial run-out in a...
Patent number
6,954,273
Issue date
Oct 11, 2005
Pioneer Corporation
Hiroaki Kitahara
G01 - MEASURING TESTING
Information
Patent Grant
Recording apparatus of master discs of optical discs
Patent number
6,414,916
Issue date
Jul 2, 2002
Pioneer Corporation
Yoshiaki Kojima
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording apparatus having a vacuum system
Patent number
5,686,941
Issue date
Nov 11, 1997
Pioneer Electronic Corporation
Yoshiaki Kojima
G11 - INFORMATION STORAGE
Information
Patent Grant
Information recording apparatus having magnetic shield means
Patent number
5,446,722
Issue date
Aug 29, 1995
Pioneer Electronic Corporation
Yoshiaki Kojima
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Object carriage system
Patent number
5,281,978
Issue date
Jan 25, 1994
Pioneer Electronic Corporation
Yoshiaki Kojima
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
Information recording method and information recording apparatus
Publication number
20100195472
Publication date
Aug 5, 2010
PIONEER CORPORATION
Yoshiaki Kojima
G11 - INFORMATION STORAGE
Information
Patent Application
METHOD FOR MANUFACTURING ORIGINAL MASTER
Publication number
20100047717
Publication date
Feb 25, 2010
Yoshiaki Kojima
G11 - INFORMATION STORAGE
Information
Patent Application
Electron Beam Displacement Measuring Method, Electron Beam Displace...
Publication number
20070216767
Publication date
Sep 20, 2007
Pioneer Corporation
Yoshiaki Kojima
G11 - INFORMATION STORAGE
Information
Patent Application
Information recording method and information recording apparatus
Publication number
20070171807
Publication date
Jul 26, 2007
Pioneer Corporation
Yoshiaki Kojima
G11 - INFORMATION STORAGE
Information
Patent Application
Electron beam lithography apparatus
Publication number
20070160932
Publication date
Jul 12, 2007
Yoshiaki Kojima
G11 - INFORMATION STORAGE
Information
Patent Application
Beam adjusting sample, beam adjusting method and beam adjusting device
Publication number
20040069952
Publication date
Apr 15, 2004
PIONEER CORPORATION
Masahiro Katsumura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method and apparatus for measuring a minute pitch
Publication number
20040057364
Publication date
Mar 25, 2004
PIONEER CORPORATION
Yoshiaki Kojima
G01 - MEASURING TESTING
Information
Patent Application
Laser-based measuring apparatus and method
Publication number
20020109849
Publication date
Aug 15, 2002
PIONEER CORPORATION
Hiroaki Kitahara
G01 - MEASURING TESTING
Information
Patent Application
Optical head apparatus
Publication number
20010024422
Publication date
Sep 27, 2001
PIONEER CORPORATION
Osamu Kasono
G11 - INFORMATION STORAGE