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Kimiyuki OBA
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Tokyo, JP
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last 30 patents
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Patent Grant
Optical scanning head-mounted display and retinal scanning head-mou...
Patent number
10,284,751
Issue date
May 7, 2019
Mitsumi Electric Co., Ltd.
Kimiyuki Oba
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
HIGH-FREQUENCY CIRCUIT AND FILTER CIRCUIT
Publication number
20230291386
Publication date
Sep 14, 2023
MITSUMI ELECTRIC CO., LTD.
Kimiyuki OBA
H03 - BASIC ELECTRONIC CIRCUITRY
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Patent Application
OPTICAL SCANNING HEAD-MOUNTED DISPLAY AND RETINAL SCANNING HEAD-MOU...
Publication number
20180091702
Publication date
Mar 29, 2018
MITSUMI ELECTRIC CO., LTD.
Kimiyuki OBA
H04 - ELECTRIC COMMUNICATION TECHNIQUE