Takeshi Ogawa

Follow

Person

Tokyo-To, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Transmission screen for interactive board
- Patent number 8,634,136
- Issue date Jan 21, 2014
- Dai Nippon Printing Co., Ltd.
- Kazunobu Ogawa
- G02 - OPTICS
Information Patent Grant
Reflecting screen, method of manufacturing the same, and reflection...
- Patent number 7,835,078
- Issue date Nov 16, 2010
- Dai Nippon Printing Co., Ltd.
- Nobuhiko Ichikawa
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
TRANSMISSION SCREEN FOR INTERACTIVE BOARD
- Publication number 20110122493
- Publication date May 26, 2011
- Dai Nippon Printing Co., Ltd.
- Kazunobu Ogawa
- G02 - OPTICS
Information Patent Application
Reflecting screen, method of manufacturing the same, and reflection...
- Publication number 20110027474
- Publication date Feb 3, 2011
- DAI NIPPON PRINTING CO., LTD.
- Nobuhiko Ichikawa
- G02 - OPTICS
Information Patent Application
Reflecting Screen, Method of Manufacturing the Same, and Reflection...
- Publication number 20080030882
- Publication date Feb 7, 2008
- DAI NIPPON PRINTING CO., LTD.
- Nobuhiko Ichikawa
- G02 - OPTICS