YH

Yoshiaki Horikawa

OC Olympus Optical Co.: 2 patents #56 of 280Top 20%
Overall (1989): #12,517 of 140,708Top 9%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4833315 Automatic focus detecting device in which two object images formed through different light paths are converted to photoelectric signals — 1989-05-23
4800269 Scanning type optical microscope — 1989-01-24