KAZUHIKO TSUKAMOTO

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KANAGAWA, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical deflection apparatus, image projector, optical writing unit...
- Patent number 10,404,954
- Issue date Sep 3, 2019
- Ricoh Company, Ltd.
- Kazuhiko Tsukamoto
- G02 - OPTICS
Information Patent Grant
Actuator device, optical deflector, an image projection apparatus,...
- Patent number 9,910,271
- Issue date Mar 6, 2018
- Ricoh Company, Ltd.
- Tomofumi Kitazawa
- G02 - OPTICS
Information Patent Grant
Multibeam deflector for separating beams output from optical deflec...
- Patent number 8,654,424
- Issue date Feb 18, 2014
- Ricoh Company, Ltd.
- Kazuhiko Tsukamoto
- G02 - OPTICS
Information Patent Grant
Optical device, optical deflection device, and optical modulation d...
- Patent number 8,620,117
- Issue date Dec 31, 2013
- Ricoh Company, Ltd.
- Jun Nakagawa
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL DEFLECTION APPARATUS, IMAGE PROJECTOR, OPTICAL WRITING UNIT...
- Publication number 20170214891
- Publication date Jul 27, 2017
- RICOH COMPANY, LTD.
- Kazuhiko TSUKAMOTO
- G02 - OPTICS
Information Patent Application
ACTUATOR DEVICE, OPTICAL DEFLECTOR, AN IMAGE PROJECTION APPARATUS,...
- Publication number 20170176743
- Publication date Jun 22, 2017
- RICOH COMPANY, LTD.
- TOMOFUMI KITAZAWA
- G02 - OPTICS
Information Patent Application
OPTICAL DEVICE, OPTICAL DEFLECTION DEVICE, AND OPTICAL MODULATION D...
- Publication number 20130142473
- Publication date Jun 6, 2013
- Jun Nakagawa
- G02 - OPTICS
Information Patent Application
MULTIBEAM DEFLECTOR FOR SEPARATING BEAMS OUTPUT FROM OPTICAL DEFLEC...
- Publication number 20110063705
- Publication date Mar 17, 2011
- Kazuhiko TSUKAMOTO
- G02 - OPTICS