Toshio Yamamoto

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Shiga, JP

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Patents Grantslast 30 patents

Information Patent Grant
Manufacturing process of shadow mask and shadow mask plate therefor
- Patent number 5,180,322
- Issue date Jan 19, 1993
- Dainippon Screen Mfg. Co., Ltd.
- Toshio Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Slot type shadow mask
- Patent number 5,079,477
- Issue date Jan 7, 1992
- Dainippon Screen Mfg. Co., Ltd.
- Toshio Yamamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pattern transfer method and silver halide photographic plate to be...
- Patent number 4,891,296
- Issue date Jan 2, 1990
- Konishiroku Photo Industry Co., Ltd.
- Shigeru Tsurukiri
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of processing thin metal sheets by photoetching
- Patent number 4,755,257
- Issue date Jul 5, 1988
- Dainippon Screen Mfg. Co., Ltd.
- Toshio Yamamoto
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...