Masachika Ohyama

Follow

Person

Himeji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Metallic vapor discharge lamp and a method for curing paints and in...
- Patent number 5,394,059
- Issue date Feb 28, 1995
- Oshiodenki Kabushiki Kaisha
- Masachika Ohyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metal vapor discharge lamp filled with bismuth, mercury, a rare gas...
- Patent number 5,107,178
- Issue date Apr 21, 1992
- Ushio Denki Kabushiki Kaisha
- Masachika Ohyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Metal vapor discharge lamp
- Patent number 4,769,576
- Issue date Sep 6, 1988
- Ushio Denki Kabushiki Kaisha
- Masachika Ohyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnesium vapor discharge lamp
- Patent number 4,745,335
- Issue date May 17, 1988
- Ushio Denki Kabushiki Kaisha
- Masachika Ohyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for the exposure of semiconductor wafer
- Patent number 4,704,346
- Issue date Nov 3, 1987
- Ushio Denki Kabushiki Kaisha
- Tatsumi Hiramoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY