GJ Kintz, PJ Stephanou, KE Petersen… - US Patent …, 2017 - Google Patents
2017-02-22 Assigned to INVIS Technologies Corporation reassignment INVIS Technologies Corporation ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS) …
H Xin, M Liang - US Patent 11,303,036, 2022 - Google Patents
A hollow light-weight, low-cost, and high-performance 3D Luneburg lens structure using partially-metalized thin film, string, threads, fiber or wire base metamaterial to implement the …
CAO Zhibo, M Kaynak, M Wietstruck… - US Patent …, 2024 - Google Patents
A lens for terahertz radiation, which can be used in an antenna arrangement, comprises a cylindrical lens body made of silicon having a planar front surface and a planar back …
C Beers - US Patent 11,585,922, 2023 - Google Patents
B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric …
J Chisum, N Garcia - US Patent 11,181,668, 2021 - Google Patents
A film comprising a first plurality of voids is provided, wherein respective ones of the first plurality of voids have a regular n-gon geometry, and the first plurality of voids are arranged …