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Yotaro OKANO
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Kawasaki-shi, Kanagawa, JP
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Patents Grants
last 30 patents
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Patent Grant
Push-button switch having sound function
Patent number
10,937,606
Issue date
Mar 2, 2021
NKK SWITCHES CO., LTD.
Nobuhiko Betsuda
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
PUSHBUTTON SWITCH
Publication number
20240038464
Publication date
Feb 1, 2024
NKK SWITCHES CO., LTD.
Yotaro OKANO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PUSH-BUTTON SWITCH AND INPUT DEVICE
Publication number
20220137717
Publication date
May 5, 2022
NKK SWITCHES CO., LTD.
Sho HARADA
G06 - COMPUTING CALCULATING COUNTING
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Patent Application
PUSH-BUTTON SWITCH HAVING SOUND FUNCTION
Publication number
20210020390
Publication date
Jan 21, 2021
NKK SWITCHES CO., LTD.
Nobuhiko BETSUDA
H01 - BASIC ELECTRIC ELEMENTS