Tomoyuki Ogawa

Follow

Person

Fukushima-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for purification of cyclic ester
- Patent number 8,404,868
- Issue date Mar 26, 2013
- Kureha Corporation
- Kazuyuki Yamane
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for purifying hydroxycarboxylic acid, method for producing c...
- Patent number 8,039,548
- Issue date Oct 18, 2011
- Kureha Corporation
- Tomoyuki Ogawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing glycolide and glycolic acid oligomer for prod...
- Patent number 7,812,181
- Issue date Oct 12, 2010
- Kureha Corporation
- Tomoyuki Ogawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for purifying hydroxycarboxylic acid, process for producing...
- Patent number 7,781,600
- Issue date Aug 24, 2010
- Kureha Corporation
- Tomoyuki Ogawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PURIFICATION OF CYCLIC ESTER
- Publication number 20100168446
- Publication date Jul 1, 2010
- Kazuyuki Yamane
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PURIFYING HYDROXYCARBOXYLIC ACID, METHOD FOR PRODUCING C...
- Publication number 20090318716
- Publication date Dec 24, 2009
- Kureha Corporation
- Tomoyuki Ogawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process For Purifying Hydroxycarboxylic Acid, Process For Producing...
- Publication number 20080214842
- Publication date Sep 4, 2008
- Tomoyuki Ogawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for producing glycolide and glycolic acid oligomer for prod...
- Publication number 20070293653
- Publication date Dec 20, 2007
- Tomoyuki Ogawa
- C07 - ORGANIC CHEMISTRY