Invention of LED optoelectronic kaleidoscope-mode torch projector
-- Realization of richly full-colored light picture including vivid black using RGB LEDs -- Kensho Okamoto (Optronics Labo.)
Observation of magnetic domain pattern in perpendicular magnetic anisotropy thin film and its M-H curve using polarization microscope with high-power LED light source Takayoshi Iwasaki, Kensho Okamoto (Kagawa Univ.)