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Noboru KUSUNOSE
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Tokyo, JP
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last 30 patents
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Patent Grant
Optical device, optical unit, display device, and prism fixing method
Patent number
10,923,883
Issue date
Feb 16, 2021
Ricoh Company, Ltd.
Tokiko Gotoh
H01 - BASIC ELECTRIC ELEMENTS
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last 30 patents
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Patent Application
OPTICAL DEVICE, OPTICAL UNIT, DISPLAY DEVICE, AND PRISM FIXING METHOD
Publication number
20190260183
Publication date
Aug 22, 2019
Tokiko GOTOH
H01 - BASIC ELECTRIC ELEMENTS