Ryohei Oka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Projection apparatus and hologram recording medium
- Patent number 9,154,756
- Issue date Oct 6, 2015
- Dai Nippon Printing Co., Ltd.
- Makio Kurashige
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
PROJECTION APPARATUS AND HOLOGRAM RECORDING MEDIUM
- Publication number 20140340651
- Publication date Nov 20, 2014
- DAI NIPPON PRINTING CO., LTD.
- Makio Kurashige
- G02 - OPTICS