Keitaro Yokohama

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Hachioji-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Eyepiece optical system and electronic view finder incorporating th...
- Patent number 7,978,417
- Issue date Jul 12, 2011
- Olympus Imaging Corp.
- Akinori Nishio
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Eyepiece optical system and electronic view finder incorporating th...
- Publication number 20110122502
- Publication date May 26, 2011
- Akinori Nishio
- G02 - OPTICS