Hiroshi NAKANUMA

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Imaging optical system, stereo camera device and car-mounted camera...
- Patent number 10,281,690
- Issue date May 7, 2019
- Ricoh Company, Ltd.
- Takahiro Nakayama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical imaging system, camera, and in-vehicle camera
- Patent number 10,025,064
- Issue date Jul 17, 2018
- Ricoh Company, Ltd.
- Hiroshi Nakanuma
- G02 - OPTICS
Information Patent Grant
Imaging optical system, camera apparatus and stereo camera apparatus
- Patent number 9,986,157
- Issue date May 29, 2018
- Ricoh Company, Ltd.
- Hiroshi Nakanuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Imaging-optical system, stereo camera apparatus, and in-vehicle cam...
- Patent number 9,810,885
- Issue date Nov 7, 2017
- Ricoh Company, Ltd.
- Takahiro Nakayama
- G02 - OPTICS
Information Patent Grant
Optical element, light diffusing element, and image display apparatus
- Patent number 9,036,261
- Issue date May 19, 2015
- Ricoh Company, Ltd.
- Chieko Hatashita
- F21 - LIGHTING
Information Patent Grant
Aberration correction element for use in reading and writing data o...
- Patent number 8,199,614
- Issue date Jun 12, 2012
- Ricoh Company, Ltd.
- Hiroshi Nakanuma
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
IMAGING OPTICAL SYSTEM, CAMERA APPARATUS AND STEREO CAMERA APPARATUS
- Publication number 20160195716
- Publication date Jul 7, 2016
- Hiroshi NAKANUMA
- G02 - OPTICS
Information Patent Application
OPTICAL IMAGING SYSTEM, CAMERA, AND IN-VEHICLE CAMERA
- Publication number 20150362699
- Publication date Dec 17, 2015
- Hiroshi NAKANUMA
- G02 - OPTICS
Information Patent Application
OPTICAL ELEMENT, LIGHT DIFFUSING ELEMENT, AND IMAGE DISPLAY APPARATUS
- Publication number 20140071026
- Publication date Mar 13, 2014
- Chieko HATASHITA
- G02 - OPTICS
Information Patent Application
ABERRATION CORRECTION ELEMENT
- Publication number 20090323482
- Publication date Dec 31, 2009
- RICOH COMPANY, LTD.
- Hiroshi NAKANUMA
- G11 - INFORMATION STORAGE
Information Patent Application
OBJECTIVE LENS ACTUATOR, DIFFRACTIVE OPTICAL ELEMENT, AND OPTICAL P...
- Publication number 20080068939
- Publication date Mar 20, 2008
- Akihiro Tanaka
- G11 - INFORMATION STORAGE