Toshiya YAMAGUCHI

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light deflector and its manufacturing method, image projector, obje...
- Patent number 11,644,663
- Issue date May 9, 2023
- Ricoh Company, Ltd.
- Toshiya Yamaguchi
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Optical device, light-source device, detector, and electronic device
- Patent number 11,502,479
- Issue date Nov 15, 2022
- Ricoh Company, Ltd.
- Toshiya Yamaguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical element, mold, and optical device
- Patent number 9,500,778
- Issue date Nov 22, 2016
- Ricoh Company, Ltd.
- Chieko Hatashita
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL DEVICE, LIGHT-SOURCE DEVICE, DETECTOR, AND ELECTRONIC DEVICE
- Publication number 20200403373
- Publication date Dec 24, 2020
- RICOH COMPANY, LTD.
- TOSHIYA YAMAGUCHI
- G01 - MEASURING TESTING
Information Patent Application
LIGHT DEFLECTOR AND ITS MANUFACTURING METHOD, IMAGE PROJECTOR, OBJE...
- Publication number 20190369387
- Publication date Dec 5, 2019
- RICOH COMPANY, LTD.
- TOSHIYA YAMAGUCHI
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
OPTICAL ELEMENT, MOLD, AND OPTICAL DEVICE
- Publication number 20140211302
- Publication date Jul 31, 2014
- RICOH COMPANY, LTD.
- Chieko HATASHITA
- G02 - OPTICS