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KAZUMASA OKAMOTO
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TOKYO, JP
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Patents Grants
last 30 patents
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Patent Grant
Display device and speaker device
Patent number
12,096,195
Issue date
Sep 17, 2024
Sony Group Corporation
Kazumasa Okamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Display device and speaker
Patent number
11,962,972
Issue date
Apr 16, 2024
Sony Group Corporation
Masahiro Takahashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Display Device And Speaker Device
Publication number
20230039852
Publication date
Feb 9, 2023
SONY GROUP CORPORATION
Kazumasa Okamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DISPLAY DEVICE AND SPEAKER
Publication number
20220078560
Publication date
Mar 10, 2022
MASAHIRO TAKAHASHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE