Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Optical amplifying apparatus for transmitting wavelength division multiplexed signal light and optical network apparatus with using the same

Optical amplifying apparatus for transmitting wavelength division multiplexed signal light and optical network apparatus with using the same

US Patent 6256140 · Granted Jul 3, 2001

Estimated economic value: $33,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Interior structure of vehicle2022
Airbag device for front passenger seat2019
Vehicle airbag device2019
Passenger protecting device for vehicle2018
Occupant protection device for vehicle2018
Susceptor for heat treatment and heat treatment apparatus2013
Liquid crystal device and method for manufacturing same with spacers formed by p2005
Liquid crystal device and method for manufacturing same with spacers formed by p2002
Optical transmitter2002
Optical receiver2002
Optical transmitter2001
Liquid crystal device having sealant and spacers made from the same material1999