Yasuhiro Nakahara

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Shin-nanyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for forming a gel bed in a column for liquid chromatography...
- Patent number 5,021,162
- Issue date Jun 4, 1991
- Tosoh Corporation
- Kiyoaki Sakamoto
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Axially adjustable-type column device
- Patent number 4,927,531
- Issue date May 22, 1990
- Tosoh Corporation
- Kiyoaki Sakamoto
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
High density filler type filtration equipment
- Patent number 4,755,293
- Issue date Jul 5, 1988
- Toyo Soda Manufacturing Co., Ltd.
- Kiyoaki Sakamoto
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for producing porous polystyrene gel
- Patent number 4,174,430
- Issue date Nov 13, 1979
- Toyo Soda Manufacturing Co., Ltd.
- Shiro Kido
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...