Takehiko Ueyama

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Mobara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Color cathode-ray tube with shadow mask having L-shaped bi-metallic...
- Patent number 6,294,864
- Issue date Sep 25, 2001
- Hitachi, Ltd.
- Tatsuya Mochizuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light exposing prism system for use in forming phosphor plane of co...
- Patent number 4,211,477
- Issue date Jul 8, 1980
- Hitachi, Ltd.
- Takehiko Ueyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for exposure of phosphor screen
- Patent number 4,187,012
- Issue date Feb 5, 1980
- Hitachi, Ltd.
- Takehiko Ueyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for forming phosphor screen of color picture t...
- Patent number 4,183,637
- Issue date Jan 15, 1980
- Hitachi, Ltd.
- Takehiko Ueyama
- H01 - BASIC ELECTRIC ELEMENTS