US Patent Issued to MITSUMI ELECTRIC on Oct. 7 for "Piezoelectric actuator and optical scanning apparatus" (Japanese Inventor)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,438,479, issued on Oct. 7, was assigned to MITSUMI ELECTRIC Co. LTD. (Tokyo).

"Piezoelectric actuator and optical scanning apparatus" was invented by Hisanori Aga (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A piezoelectric actuator includes a substrate, and a drive structure formed on the substrate, wherein the drive structure includes a piezoelectric thin film, and an average grain size of the piezoelectric thin film is smaller than or equal to 1 micro metre."

The patent was filed on Aug. 27, 2020, under Application No. 17/004,273.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph...