Tooru Nagai

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Miyagi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical element and method for manufacturing master for producing o...
- Patent number 9,664,821
- Issue date May 30, 2017
- Dexerials Corporation
- Sohmei Endoh
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Optical device, method for producing master for use in producing op...
- Patent number 8,309,903
- Issue date Nov 13, 2012
- Sony Corporation
- Sohmei Endoh
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Optical device, method for producing master for use in producing op...
- Patent number 7,633,045
- Issue date Dec 15, 2009
- Sony Corporation
- Sohmei Endoh
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL DEVICE, METHOD FOR PRODUCING MASTER FOR USE IN PRODUCING OP...
- Publication number 20100134892
- Publication date Jun 3, 2010
- SONY CORPORATION
- Sohmei Endoh
- G02 - OPTICS
Information Patent Application
OPTICAL ELEMENT AND METHOD FOR MANUFACTURING MASTER FOR PRODUCING O...
- Publication number 20090135491
- Publication date May 28, 2009
- SONY CORPORATION
- Sohmei Endoh
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Optical Device, Method for Producing Master for Use in Producing Op...
- Publication number 20080265149
- Publication date Oct 30, 2008
- SONY CORPORATION
- Sohmei Endoh
- G02 - OPTICS