Yoshikazu Watanabe

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Yamaguchi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Material for a stretched mask for color picture tube
- Patent number 6,565,676
- Issue date May 20, 2003
- Akira Makita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Stretched mask for color picture tube
- Patent number 6,258,496
- Issue date Jul 10, 2001
- Toyo Kohan Co., Ltd.
- Akira Makita
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Stretched mask for color picture tube and material for the mask
- Publication number 20010027830
- Publication date Oct 11, 2001
- DAI NIPPON PRINTING CO. , LTD.
- Akira Makita
- H01 - BASIC ELECTRIC ELEMENTS