TS

Toshiaki Shirosaka

DL Dx Antenna Company, Limited: 3 patents #1 of 8Top 15%
Overall (2005): #15,371 of 245,428Top 7%
3
Patents 2005

Issued Patents 2005

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6965353 Multiple frequency band antenna and signal receiving system using such antenna Toshio Fujita, Kiyotaka Tatekawa, Shingo Fujisawa, Eiji Shibuya 2005-11-15
6933907 Variable directivity antenna and variable directivity antenna system using such antennas Shingo Fujisawa 2005-08-23
6914558 Variable directivity antenna apparatus and receiver system using such antenna apparatus Toshio Fujita, Kiyotaka Tatekawa, Eiji Shibuya 2005-07-05