Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Diffraction optical element, projection device, and measurement device

Diffraction optical element, projection device, and measurement device

US Patent 9897438 · Granted Feb 20, 2018

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Optical element, optical system and optical device2023
Diffractive optical element, projection device and measuring device2023
Optical element, optical system, and imaging apparatus2022
Infrared-light transmission filter and devices containing the infrared-light tra2021
Projector having diffuser2018
Light guide element and image display device2018
Screen for image light projection and display system2017
Diffractive optical element and measurement device2016
Diffractive optical element and measuring apparatus2015
Diffractive optical element and measurement instrument2015
Diffractive optical element and measuring device2013
Reflection type wavelength plate and optical head device2013