Yooji Yuge

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Chigasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light diffusive coating, a method of forming the coating and a lamp...
- Patent number 4,869,927
- Issue date Sep 26, 1989
- Kabushiki Kaisha Toshiba
- Akira Kawakatsu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Light diffusive coating and a lamp having the coating
- Patent number 4,721,877
- Issue date Jan 26, 1988
- Kabushiki Kaisha Toshiba
- Akira Kawakatsu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Lamp having interference film
- Patent number 4,701,663
- Issue date Oct 20, 1987
- Kabushiki Kaisha Toshiba
- Akira Kawakatsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Bulb
- Patent number 4,634,919
- Issue date Jan 6, 1987
- Kabushiki Kaisha Toshiba
- Yooji Yuge
- G02 - OPTICS