Keietsu Sato

Follow

Person

Hanamaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical device and projection-type image display apparatus
- Patent number 8,511,831
- Issue date Aug 20, 2013
- Sanyo Electric Co., Ltd.
- Takashi Ikeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Optical device and projection-type image display apparatus
- Publication number 20070258058
- Publication date Nov 8, 2007
- Sanyo Electric Co., Ltd.
- Takashi Ikeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE