Yoshiomi Kosaka

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Chigasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Antiviral filter air cleaner impregnated with tea extract
- Patent number 5,747,053
- Issue date May 5, 1998
- Matsushita Seiko Co., Ltd.
- Kazuo Nashimoto
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE