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Shiori OHSUGI
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Light guide, virtual image optical system, and virtual image displa...
Patent number
11,885,997
Issue date
Jan 30, 2024
Ricoh Company, Ltd.
Shiori Ohsugi
G02 - OPTICS
Information
Patent Grant
Light guide, virtual image display device, and light guide unit
Patent number
10,241,333
Issue date
Mar 26, 2019
Ricoh Company, Ltd.
Naoki Nakamura
G02 - OPTICS
Information
Patent Grant
Light guide, virtual image optical system, and virtual image displa...
Patent number
10,088,620
Issue date
Oct 2, 2018
Ricoh Company, Ltd.
Shiori Ohsugi
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
VIRTUAL IMAGE DISPLAY DEVICE
Publication number
20220057640
Publication date
Feb 24, 2022
Naoki NAKAMURA
G02 - OPTICS
Information
Patent Application
LIGHT GUIDE, VIRTUAL IMAGE OPTICAL SYSTEM, AND VIRTUAL IMAGE DISPLA...
Publication number
20190004235
Publication date
Jan 3, 2019
Shiori OHSUGI
G02 - OPTICS
Information
Patent Application
LIGHT GUIDE, VIRTUAL IMAGE DISPLAY DEVICE, AND LIGHT GUIDE UNIT
Publication number
20170192239
Publication date
Jul 6, 2017
Naoki NAKAMURA
G02 - OPTICS
Information
Patent Application
LIGHT GUIDE, VIRTUAL IMAGE OPTICAL SYSTEM, AND VIRTUAL IMAGE DISPLA...
Publication number
20170090094
Publication date
Mar 30, 2017
Shiori OHSUGI
G02 - OPTICS
Information
Patent Application
SENSOR, SENSOR SYSTEM AND METHOD OF FINDING RANGE
Publication number
20160370460
Publication date
Dec 22, 2016
Shu TAKAHASHI
G01 - MEASURING TESTING