Latvian Patent No. 14767 “Former of excitation pulses for symmetrical Ultra-wideband (UWB) antenna”. Inventors: M.Greitāns, V.Aristovs, G.Šūpols. Owner: Institute of Electronics and Computer Science. Published: 20.11.2013.

Latvian Patent No. 16622 “Zigzag antenna, which constructively  mated with the coaxial cable.” Inventors: M.Greitāns, V.Aristovs, G.Šūpols. Owner: Institute of Electronics and Computer Science. Published: 02.20.2013.

Patent application No. WO2013165229 (A1) “Ultra-wideband sharpener for excitation a symmeric antenna”. Inventors: M.Greitans, K.Krumins, V.Aristovs.  Applicant: Institute of Electronics and Computer Sciences of Latvia. Publication date: 07.11.2013.