Kei Segawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Quaternary ammonium salt compounds
- Patent number 9,072,734
- Issue date Jul 7, 2015
- Teijin Pharma Limited
- Etsuko Mitsuyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
QUATERNARY AMMONIUM SALT COMPOUNDS
- Publication number 20120046467
- Publication date Feb 23, 2012
- TEIJIN PHARMA LIMITED
- Etsuko Mitsuyama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE