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Masanori Ikuta
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Yokkaichi-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Photopolymerizable composition
Patent number
7,368,224
Issue date
May 6, 2008
Kyowa Hakko Chemical Co., Ltd.
Tsuguo Yamaoka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Filters of electronic displays
Patent number
7,242,542
Issue date
Jul 10, 2007
Kyowa Hakko Chemical Co., Ltd.
Ikuo Shimizu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Squarylium compounds and optical recording media using the same
Patent number
6,599,605
Issue date
Jul 29, 2003
Kyowa Hakko Kogyo Co., Ltd.
Ikuo Shimizu
G11 - INFORMATION STORAGE
Information
Patent Grant
Squarylium compounds and optical recording medium containing the same
Patent number
6,596,364
Issue date
Jul 22, 2003
Kyowa Hakko Kogyo Co., Ltd.
Ikuo Shimizu
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium and optical recording and reading method u...
Patent number
6,558,768
Issue date
May 6, 2003
Ricoh Company, Ltd.
Soh Noguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Dithiocarbonate composition
Patent number
6,372,871
Issue date
Apr 16, 2002
Kyowa Yuka Co., Ltd.
Shinichiro Jimbo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Compositions containing dithiocarbonate compound
Patent number
6,160,044
Issue date
Dec 12, 2000
Kyowa Yuka Co., Ltd.
Shinichiro Jimbo
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Filters of electronic displays
Publication number
20060063864
Publication date
Mar 23, 2006
KYOWA HAKKO CHEMICAL CO., LTD
Ikuo Shimizu
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Photopolymerizable composition
Publication number
20050164120
Publication date
Jul 28, 2005
KYOWA HAKKO CHEMICAL CO., LTD.
Tsuguo Yamaoka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Squarylium compounds and optical recording medium containing the same
Publication number
20030082330
Publication date
May 1, 2003
Ikuo Shimizu
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Optical recording medium and optical recording and reading method u...
Publication number
20010044001
Publication date
Nov 22, 2001
Soh Noguchi
G11 - INFORMATION STORAGE