Ritaro OGUMA

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Biological safety cabinet and clean bench
- Patent number 10,864,514
- Issue date Dec 15, 2020
- PHC Holdings Corporation
- Ritaro Oguma
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
BIOLOGICAL SAFETY CABINET AND CLEAN BENCH
- Publication number 20180264459
- Publication date Sep 20, 2018
- PHC HOLDINGS CORPORATION
- Ritaro OGUMA
- B08 - CLEANING