Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Multiple optical switch

Multiple optical switch

US Patent 4239330 · Granted Dec 16, 1980

Estimated economic value: $9,513,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Compound collector system for solar energy concentration2015
Solar energy collection system2013
In-line optical wavelength reference and control module1998
Optical switch using bubbles1991
Two-level lithographic mask for producing tapered depth1990
Non-destructive optical trap for biological particles and method of doing same1990
Exposed core optical fibers, and method of making same1986
Optical fiber having in-line polarization filter1986
Inline optical fiber attentuator1985
Nonlinear and bistable optical waveguide devices1985
High speed optical switch and time division optical demultiplexer using a contro1984
Optical grating using a liquid suspension of dielectric particles1984