Kiyohito Miwa

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Patents Grantslast 30 patents

Information Patent Grant
Shadow mask assembly manufacturing method and cathode ray tube manu...
- Patent number 6,890,237
- Issue date May 10, 2005
- Matsushita Electric Industrial Co., Ltd.
- Naomi Nishiki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of securing shadow mask and frame in the manufacture of a ca...
- Patent number 6,857,927
- Issue date Feb 22, 2005
- Matsushita Electric Industrial Co., Ltd.
- Kiyohito Miwa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Color cathode ray tube
- Patent number 6,686,683
- Issue date Feb 3, 2004
- Matsushita Electric Industrial Co., Ltd.
- Futoshi Ohtsuka
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
COLOR CATHODE RAY TUBE
- Publication number 20040000856
- Publication date Jan 1, 2004
- Matsushita Electric Industrial Co., Ltd.
- Futoshi Ohtsuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Production method of cathode ray tube
- Publication number 20030171061
- Publication date Sep 11, 2003
- Kiyohito Miwa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Shadow mask assembly manufacturing method and cathode ray tube manu...
- Publication number 20010018309
- Publication date Aug 30, 2001
- Naomi Nishiki
- H01 - BASIC ELECTRIC ELEMENTS