Inventor

MIYASAKA KOJI

JP21 patents

⚠️ This page may combine multiple inventors who share the name “MIYASAKA KOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MIYASAKA KOJI

MIYASAKA KOJI

Diffractive optical element and measurement instrument

Diffractive optical element and measuring device

Diffractive optical element and measuring apparatus

Diffraction grating, aberration correction element and optical head device

Diffraction grating, aberration correction element and optical head device

Reflection type wavelength plate and optical head device

Aberration correcting device, optical device, and optical head device

ASAHI GLASS CO LTD

Projector having diffuser

Diffractive optical element and measurement device

Wavelength-selective diffraction element and optical head device incorporating the same

Diffraction optical element, projection device, and measurement device

Screen for image light projection and display system

Wavelength selecting wavelength plate and optical head device using it

Light guide element and image display device

AGC INC

Infrared-light transmission filter and devices containing the infrared-light transmission filter

Diffractive optical element, projection device and measuring device

Optical element, optical system, and imaging apparatus

Optical element, optical system and optical device

MITSUI BUSSAN

Satellite position measurement system

GPS positioning system

TOPCON CORP

Method and apparatus for determining position