Koji Kuwahara

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Nagahama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Glass bulb for a cathode-ray tube and a cathode-ray tube device
- Patent number 6,727,640
- Issue date Apr 27, 2004
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Sakurai
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
Glass bulb for a cathode-ray tube and a cathode-ray tube device
- Publication number 20010043041
- Publication date Nov 22, 2001
- Hiroshi Sakurai
- C03 - GLASS MINERAL OR SLAG WOOL