Tetsuo Kawahara

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fe-Ni alloy for tension mask and tension mask using it and color crt
- Patent number 6,572,714
- Issue date Jun 3, 2003
- Nippon Mining & Metals Co., Ltd.
- Tetsuo Kawahara
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for producing a Fe-Ni alloy sheet and a Fe-Ni alloy shadow mask
- Patent number 6,099,669
- Issue date Aug 8, 2000
- Nippon Mining & Metals Co., Ltd.
- Norio Yuki
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
Strip material used for shadow mask having improved post-etching shape
- Publication number 20040261911
- Publication date Dec 30, 2004
- Yuko Kondo
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Low-carbon steel sheet for mask of tension type cathode ray tube wi...
- Publication number 20030160558
- Publication date Aug 28, 2003
- Hideharu Ohmae
- C21 - METALLURGY OF IRON