Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Positioning system using sound waves

Positioning system using sound waves

US Patent 9625567 · Granted Apr 18, 2017

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Linking different variations of multi-feature and multi-modal information to a u2025
Anti-freezing composition comprising gold nanoparticle with peptide2023
Positioning system using invisible light, sound and radio frequency signals2020
Display screen with graphical user interface2018
Single nanoparticle having a nanogap between a core material and a shell materia2016
Method for the separation of S-(−)-amlodipine from racemic amlodipine2013
Crystalline S-(−)-amlodipine adipic acid salt anhydrous and preparation method t2013
Inorganic acid salts of sibutramine2008
Sulphonic acid salt of sibutramine2008
Dicarboxylic acid salt of sibutramine2008
Method of preparing optically pure phenethylamine derivatives2008
Crystalline organic acid salt of amlodipine2006