Masaru Togawa

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Shiga, JP

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Patents Grantslast 30 patents

Information Patent Grant
Exposure method and apparatus for picture tube
- Patent number 6,091,191
- Issue date Jul 18, 2000
- NEC Corporation
- Masaru Togawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube
- Patent number 5,757,119
- Issue date May 26, 1998
- NEC Corporation
- Masaru Togawa
- H01 - BASIC ELECTRIC ELEMENTS