Hiroyuki Koishi

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Display device, finder device and camera
- Patent number 8,436,976
- Issue date May 7, 2013
- Nikon Corporation
- Hiroyuki Koishi
- G02 - OPTICS
Information Patent Grant
Diffractive display device, finder device and camera
- Patent number 8,345,189
- Issue date Jan 1, 2013
- Nikon Corporation
- Hiroyuki Koishi
- G02 - OPTICS
Information Patent Grant
Diffractive display device, finder device and camera
- Patent number 8,164,714
- Issue date Apr 24, 2012
- Nikon Corporation
- Hiroyuki Koishi
- G02 - OPTICS
Information Patent Grant
Liquid crystal display element, display device, observation device,...
- Patent number 7,929,098
- Issue date Apr 19, 2011
- Nikon Corporation
- Hiroyuki Koishi
- G02 - OPTICS
Information Patent Grant
Diffraction display device and viewfinder display device
- Patent number 7,542,669
- Issue date Jun 2, 2009
- Nikon Corporation
- Hiroyuki Koishi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
DIFFRACTIVE DISPLAY DEVICE, FINDER DEVICE AND CAMERA
- Publication number 20120169911
- Publication date Jul 5, 2012
- Nikon Corporation
- Hiroyuki Koishi
- G02 - OPTICS
Information Patent Application
Display Device, Finder Device and Camera
- Publication number 20100097564
- Publication date Apr 22, 2010
- Nikon Corporation
- Hiroyuki Koishi
- G02 - OPTICS
Information Patent Application
DIFFRACTIVE DISPLAY DEVICE, FINDER DEVICE AND CAMERA
- Publication number 20100033785
- Publication date Feb 11, 2010
- Nikon Corporation
- Hiroyuki Koishi
- G02 - OPTICS
Information Patent Application
Liquid crystal panel, display, and projector
- Publication number 20090244459
- Publication date Oct 1, 2009
- Nikon Corporation
- Nobuhiro Fujinawa
- G02 - OPTICS
Information Patent Application
Liquid crystal display element, display device, observation device,...
- Publication number 20070279569
- Publication date Dec 6, 2007
- Nikon Corporation
- Hiroyuki Koishi
- G02 - OPTICS
Information Patent Application
Diffraction display device and viewfinder display device
- Publication number 20060263079
- Publication date Nov 23, 2006
- Nikon Corporation
- Hiroyuki Koishi
- G02 - OPTICS