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Hideo Yabuhara
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Computer-generated hologram and its fabrication process, reflector...
Patent number
7,675,680
Issue date
Mar 9, 2010
Dai Nippon Printing Co., Ltd.
Tomohisa Hamano
G02 - OPTICS
Information
Patent Grant
Computer-generated hologram and its fabrication process, reflector...
Patent number
7,271,957
Issue date
Sep 18, 2007
Dai Nippon Printing Co., Ltd.
Tomohisa Hamano
G02 - OPTICS
Information
Patent Grant
Computer-generated hologram and its fabrication process, reflector...
Patent number
7,054,044
Issue date
May 30, 2006
Dai Nippon Printing Co., Ltd.
Tomohisa Hamano
G02 - OPTICS
Information
Patent Grant
Computer-generated hologram and its fabrication process, reflector...
Patent number
6,747,769
Issue date
Jun 8, 2004
Dai Nippon Printing Co., Ltd.
Tomohisa Hamano
G02 - OPTICS
Information
Patent Grant
Optical card
Patent number
5,763,868
Issue date
Jun 9, 1998
Dai Nippon Printing Co., Ltd.
Takeshi Kubota
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
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Patent Application
COMPUTER-GENERATED HOLOGRAM AND ITS FABRICATION PROCESS, REFLECTOR...
Publication number
20080049279
Publication date
Feb 28, 2008
DAI NIPPON PRINTING CO., LTD.
Hideo Yabuhara
G02 - OPTICS
Information
Patent Application
Computer-generated hologram and its fabrication process, reflector...
Publication number
20060256412
Publication date
Nov 16, 2006
DAI NIPPON PRINTING CO. , LTD.
Hideo Yabuhara
G02 - OPTICS
Information
Patent Application
Computer-generated hologram and its fabricaiton process, reflector...
Publication number
20040179253
Publication date
Sep 16, 2004
DAI NIPPON PRINTING CO. , LTD.
Tomohisa Hamano
G02 - OPTICS
Information
Patent Application
Computer-generated hologram and its fabrication process, reflector...
Publication number
20020001109
Publication date
Jan 3, 2002
DAI NIPPON PRINTING CO. , LTD.
Tomohisa Hamano
G02 - OPTICS