Masakazu Kawada

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Space ring, lens system, method for manufacturing space ring, and m...
- Patent number 12,130,490
- Issue date Oct 29, 2024
- Masakazu Kawada
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Combined display and viewing system
- Patent number 5,515,070
- Issue date May 7, 1996
- U.S. Philips Corporation
- Masakazu Kawada
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
SPACE RING, LENS SYSTEM, METHOD FOR MANUFACTURING SPACE RING, AND M...
- Publication number 20210080677
- Publication date Mar 18, 2021
- Masakazu KAWADA
- C03 - GLASS MINERAL OR SLAG WOOL