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Ryuji Takahashi
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Packing material for HILIC columns, HILIC column filled with same,...
Patent number
11,247,192
Issue date
Feb 15, 2022
Showa Denko K.K.
Junya Kato
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Packing material for solid phase extraction and solid phase extract...
Patent number
6,759,442
Issue date
Jul 6, 2004
Showa Denko Kabushiki Kaisha
Ryuji Takahashi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Recording and/or reproducing apparatus and method for loading a hea...
Patent number
6,650,497
Issue date
Nov 18, 2003
Sony Corporation
Kiyoshi Tada
G11 - INFORMATION STORAGE
Information
Patent Grant
Packing material and cartridge for solid phase extraction
Patent number
6,602,928
Issue date
Aug 5, 2003
Showa Denko Kabushiki Kaisha
Ryuji Takahashi
G01 - MEASURING TESTING
Information
Patent Grant
Porous co-polymer particles, process for preparing the same and use...
Patent number
6,362,245
Issue date
Mar 26, 2002
Showa Denko Kabushiki Kaisha
Ryuji Takahashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Control system for superhigh pressure generation circuit
Patent number
4,484,443
Issue date
Nov 27, 1984
Sumitomo Metal Industries, Ltd.
Toshiji Takigawa
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
PACKING MATERIAL FOR HILIC COLUMNS, HILIC COLUMN FILLED WITH SAME,...
Publication number
20190184372
Publication date
Jun 20, 2019
SHOWA DENKO K.K.
Junya KATO
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Hydrophilic separating carrier particle and process for producing t...
Publication number
20020155090
Publication date
Oct 24, 2002
Showa Denko K.K.
Ryuji Takahashi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Packing material and cartridge for solid phase extraction
Publication number
20020041938
Publication date
Apr 11, 2002
SHOWA DENKO KABUSHIKI KAISHA
Ryuji Takahashi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Packing material for solid phase extraction and solid phase exracti...
Publication number
20020004561
Publication date
Jan 10, 2002
SHOW A DENKO K.K.
Ryuji Takahashi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL