Kazuhiko Nakano

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light guiding plate manufacturing apparatus and light guiding plate...
- Patent number 7,094,290
- Issue date Aug 22, 2006
- Columbia Digital Media, Inc.
- Kazuo Kobayashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Light guiding plate manufacturing apparatus and light guiding plate...
- Patent number 6,818,157
- Issue date Nov 16, 2004
- Nippon Columbia Co., Ltd.
- Kazuo Kobayashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Light guiding plate manufacturing apparatus and light guiding plate...
- Publication number 20040259003
- Publication date Dec 23, 2004
- Kazuo Kobayashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Light guiding plate manufacturing apparatus and light guiding plate...
- Publication number 20020130427
- Publication date Sep 19, 2002
- Kazuo Kobayashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL