Sumio Kato

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Sabae-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polarizing plastic optical device and process for producing the same
- Patent number 8,147,946
- Issue date Apr 3, 2012
- Sunlux Co., Ltd.
- Sumio Kato
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Polarizing plastic optical device and process for producing the same
- Patent number 7,811,481
- Issue date Oct 12, 2010
- Sunlux Co., Ltd.
- Sumio Kato
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Polarizing Plastic Optical Device and Process for Producing the Same
- Publication number 20100328767
- Publication date Dec 30, 2010
- SUNLUX Co., Ltd
- Sumio Kato
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Polarizing Plastic Optical Device and Process for Producing the Same
- Publication number 20070241313
- Publication date Oct 18, 2007
- Sumio Kato
- G06 - COMPUTING CALCULATING COUNTING