AK

Atsushi Koyanagi

AC Asahi Glass Co.: 5 patents #403 of 2,251Top 20%
AG Agc: 4 patents #186 of 954Top 20%
Ricoh Company: 1 patents #6,936 of 9,818Top 75%
Overall (All Time): #477,973 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12222222 Sensor cover and sensor module Kazuya Takemoto, Naoto TATSUOKA 2025-02-11
11378877 Homogenizer, illuminating optical system, and illuminator Yoshiharu Ooi, Koichi Tashima, Kensuke ONO 2022-07-05
10605969 Optical filter and device using the same So Ishido 2020-03-31
10246615 Ultraviolet-light-emitting device with adhesive having low glass transition temperature Fumiko NAKAYAMA, Yoshihiko Sakane, Masahiro Ito, Yuki Hatanaka 2019-04-02
9829782 Screen for image light projection and display system Takuji Nomura, Koji Miyasaka 2017-11-28
9244289 Scanning display device and speckle reduction method 2016-01-26
8696134 Depolarization element and projection type display device Masahiro Murakawa 2014-04-15
8193628 Printed wiring board, a method of manufacturing printed wiring board, a sensor module, and a sensing device Toshihiko Makino 2012-06-05
8040781 Wavelength selecting wavelength plate and optical head device using it Yukihiro Tao, Hiromasa Sato, Koji Miyasaka 2011-10-18
7755834 Wavelength-selective diffraction element and optical head device incorporating the same Hiromasa Sato, Yukihiro Tao, Koji Miyasaka 2010-07-13