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CPC
H01H2233/076

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Parent Industries

HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H2233/00Key modules

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H01H2233/076with limited freedom

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Patents Grantslast 30 patents

Information Patent Grant
Keytop component, operation key, and electronic device
- Patent number 7,138,593
- Issue date Nov 21, 2006
- Ricoh Company, Ltd.
- Shigeru Toyoda
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Keytop component, operation key, and electronic device
- Publication number 20060060462
- Publication date Mar 23, 2006
- Shigeru Toyoda
- H01 - BASIC ELECTRIC ELEMENTS