Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Photometer

Photometer

US Patent 7230691 · Granted Jun 12, 2007

Estimated economic value: $264,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Wavelength determining device, wavelength meter equipped with the device, wavele2008
Optical frequency measurement apparatus and optical frequency measurement method2008
Temperature stabilizer and oscillating apparatus2007
Optical network analyzer2006
Optical network analyzer2005
Propagation measuring apparatus and a propagation measuring method2005
Polarization state changing apparatus and polarization degree measuring apparatu1997
Frequency converter for varying the frequency of a local signal over a wide band1994
Optical pulse oscillator and light frequency measuring apparatus using the same1993
Optical interference signal extractor with device for reduced noise from optical1992
Device for measuring average frequencies1987
Signal detector1986