ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,822, issued on Dec. 23, was assigned to MURATA MANUFACTURING Co. LTD. (Nagaokakyo, Japan).
"Vibration device" was invented by Shozo Otera (Nagaokakyo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vibration device that includes: a vibration part having a flat plate shape and connected to an operation target on which a user performs a pushing operation; a fixing member; a support part connecting the vibration part and the fixing member; and a vibration film connected to the vibration part and the fixing member, extending across the vibration part and the fixing member in a tensioned state, and constructed to vibrate in a planar direction."
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