Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Optical data storage apparatus and method utilizing an amorphous polymer which exhibits photochromic properties

Optical data storage apparatus and method utilizing an amorphous polymer which exhibits photochromic properties

US Patent 5023859 · Granted Jun 11, 1991

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Integrated faraday rotator2022
Processes for producing polymer fibers by electrospinning, colloidal dispersions2015
Apparatus and method for producing electrically conducting nanostructures by mea2013
Method of using nanoscaled polymer fibers as carriers for agricultural substance2013
Invention concerning agricultural active substances2011
Production of metal nano- and mesofibers2011
Method for making shaped structures with internally coated cavities2006
Process for identifying an embossed image of a coin in an automatic coin machine2006
Measurement of small, periodic undulations in surfaces2005
Method of qualitatively ascertaining the position and degree of severity of chat2005
Process for identifying an embossed image of a coin in an automatic coin tester2004
Production of polymer fibres having nanoscale morphologies2004