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Masahiko Sugiyama
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Yokohama-Shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Microlens array sheet and method of producing the same
Patent number
7,864,450
Issue date
Jan 4, 2011
Victor Company of Japan, Ltd.
Masaru Segawa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Optical unit, backlight device, liquid crystal module and liquid cr...
Patent number
7,819,543
Issue date
Oct 26, 2010
Victor Company of Japan, Ltd.
Nobuyoshi Yamagishi
G02 - OPTICS
Information
Patent Grant
Microlens array sheet and method of producing the same
Patent number
7,515,357
Issue date
Apr 7, 2009
Victor Company of Japan, Ltd.
Masaru Segawa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Micro lens array and a method of manufacturing a replication mold f...
Patent number
7,359,596
Issue date
Apr 15, 2008
Victor Company of Japan, Limited
Masahiko Sugiyama
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Micro lens array and a method of manufacturing a replication mold f...
Patent number
7,110,643
Issue date
Sep 19, 2006
Victor Company of Japan, Limited
Masahiko Sugiyama
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Thin film magnetic recording medium
Patent number
6,855,416
Issue date
Feb 15, 2005
Victor Company of Japan, Ltd.
Masahiko Sugiyama
G11 - INFORMATION STORAGE
Information
Patent Grant
Producing method of thin film magnetic tape and the thin film magne...
Patent number
6,652,998
Issue date
Nov 25, 2003
JVC Victor Company of Japan, Ltd.
Masaru Segawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
Optical unit, backlight device, liquid crystal module and liquid cr...
Publication number
20090225533
Publication date
Sep 10, 2009
Victor Company of Japan, Ltd.
Nobuyoshi Yamagishi
G02 - OPTICS
Information
Patent Application
Microlens array sheet and method of producing the same
Publication number
20090159195
Publication date
Jun 25, 2009
Victor Company of Japan, Ltd.
Masaru Segawa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Micro lens array and a method of manufacturing a replication mold f...
Publication number
20070009206
Publication date
Jan 11, 2007
Victor Company of Japan
Masahiko Sugiyama
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Microlens array sheet and method of producing the same
Publication number
20060139758
Publication date
Jun 29, 2006
VICTOR COMPANY OF JAPAN, LTD.
Masaru Segawa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Micro lens array and a method of manufacturing a replication mold f...
Publication number
20050180690
Publication date
Aug 18, 2005
Masahiko Sugiyama
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Thin film magnetic recording medium
Publication number
20030072968
Publication date
Apr 17, 2003
Masahiko Sugiyama
G11 - INFORMATION STORAGE
Information
Patent Application
Producing method of thin film magnetic tape and the thin film magne...
Publication number
20020015865
Publication date
Feb 7, 2002
VICTOR COMPANY OF JAPAN, LTD.
Masaru Segawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...