Isao Muraguchi

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polarizing filter and optical device using the same
- Patent number 7,164,530
- Issue date Jan 16, 2007
- Nippon Sheet Glass Co., Ltd.
- Isao Muraguchi
- G02 - OPTICS
Information Patent Grant
Polarizing filter and optical device using the same
- Patent number 6,967,776
- Issue date Nov 22, 2005
- Nippon Sheet Glass, Co., Ltd.
- Isao Muraguchi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Polarizing filter and optical device using the same
- Publication number 20050041291
- Publication date Feb 24, 2005
- Isao Muraguchi
- G02 - OPTICS
Information Patent Application
Polarizing filter and optical device using the same
- Publication number 20020024731
- Publication date Feb 28, 2002
- Isao Muraguchi
- G02 - OPTICS