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Isao Tanaka
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Kanagawa, JP
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last 30 patents
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Patent Grant
Column packing material and method for producing the same
Patent number
7,329,386
Issue date
Feb 12, 2008
Shiseido Co., Ltd.
Atsushi Kobayashi
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Patent Grant
Cation-exchanged clay mineral, packing material for chromatography...
Patent number
6,316,647
Issue date
Nov 13, 2001
Shiseido Company, Ltd.
Yutaka Ohtsu
C01 - INORGANIC CHEMISTRY
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Patent Grant
Method of producing a cast wheel
Patent number
5,722,165
Issue date
Mar 3, 1998
Topy Kogyo Kabushiki Kaisha
Shunji Kobayashi
B60 - VEHICLES IN GENERAL
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Patent Grant
Packing material for liquid chromatography
Patent number
4,743,377
Issue date
May 10, 1988
Shiseido Company Ltd.
Yutaka Ohtsu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
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Patent Application
ROTATION TRANSMITTING MEMBER
Publication number
20120195679
Publication date
Aug 2, 2012
Isao Tanaka
B60 - VEHICLES IN GENERAL
Information
Patent Application
Column packing material and method for production thereof
Publication number
20040043493
Publication date
Mar 4, 2004
Atsushi Kobayashi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL