Akihiro Takezawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Diamine crosslinking agents, crosslinked acidic polysaccharides and...
- Patent number 10,919,840
- Issue date Feb 16, 2021
- Seikagaku Corporation
- Sho Funayama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Diamine crosslinking agents, crosslinked acidic polysaccharides and...
- Patent number 10,294,195
- Issue date May 21, 2019
- Seikagaku Corporation
- Sho Funayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
DIAMINE CROSSLINKING AGENTS, CROSSLINKED ACIDIC POLYSACCHARIDES AND...
- Publication number 20190345312
- Publication date Nov 14, 2019
- Seikagaku Corporation
- Sho Funayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
DIAMINE CROSSLINKING AGENTS, CROSSLINKED ACIDIC POLYSACCHARIDES AND...
- Publication number 20170001948
- Publication date Jan 5, 2017
- Seikagaku Corporation
- Sho Funayama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE