Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Device and method for monitoring a light-emitting device

Device and method for monitoring a light-emitting device

US Patent 4872176 · Granted Oct 3, 1989

Estimated economic value: $10,849,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Grating—outcoupled surface-emitting lasers2008
Ferromagnetic-semiconductor composite isolator and method2006
Grating-outcoupled surface-emitting lasers2005
Wavelength filter and polarizer2005
Inline ferromagnetic-composite isolator and method2004
Multiple grating-outcoupled surface-emitting lasers2003
Metal-ferromagnetic optical waveguide isolator1997
Optical beam scanner1994
Semiconductor laser with adjustable light beam1991
Optoelectronic interconnections for integrated circuits1991
Optical amplifier1991
Optical waveguide1988