Masayuki Higashida

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Sayama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Photocatalytic filter, photocatalytic filter device and method for...
- Patent number 6,878,277
- Issue date Apr 12, 2005
- Hoya Candeo Optronics Corporation
- Masayuki Higashida
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Glass material for carrying a photocatalyst, filter device using th...
- Patent number 6,468,428
- Issue date Oct 22, 2002
- Hoya Corporation
- Yoshikazu Nishii
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Photocatalytic filter, photocatalytic filter device and method for...
- Publication number 20020195381
- Publication date Dec 26, 2002
- Masayuki Higashida
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Photocatalytic filter
- Publication number 20020081246
- Publication date Jun 27, 2002
- Hoya Corporation
- Shougo Tsukada
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL