Inventor

AKASAKA HIDEKI

JP19 patents

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

AKASAKA HIDEKI

NIKON CORP

Over write capable magnetooptical recording method, and magnetooptical recording apparatus and medium used therefor

Over write capable magnetooptical recording method using two beams, and magnetooptical recording apparatus therefor

Process and apparatus for simultaneous erasure and recording in magneto-optical recording

Magnetooptical recording method and apparatus using multi-layered media

Overwrite capable magnetooptial recording apparatus

Multilayered magnetooptical recording medium

Magneto-optical reproducing method

Over write capable magnetooptical recording method, and magnetooptical recording apparatus and medium used therefor

Over write capable magnetooptical recording method using two beams, and magnetooptical recording apparatus therefor

Optical integrated device for magneto-optical reproducing head

Optical waveguide device for polarization rotation

Over-write capable magnetooptical recording medium having C/N ratio exceeding 53 dB

Reproducing apparatus for magneto-optical recording device

NIPPON KOGAKU KK

Recording magnetooptical recording medium

All solid state electrochromic device

Electrochromic element

Double-layered magnetooptical recording medium

Multilayer anti-reflection film for ultraviolet rays

All solid type electrochromic display element