DS

Daichi Sakai

HC Hitachi Chemical Company: 6 patents #259 of 1,946Top 15%
📍 Tsukuba, JP: #644 of 2,818 inventorsTop 25%
Overall (All Time): #835,906 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10303047 Optical integrator and video projection device using same Tomoto Kawamura, Toshihiro Kuroda, Toshiyuki TAKAIWA, Yutaka KAWAKAMI, Toshiteru Nakamura 2019-05-28
9519109 Substrate with lens and production method therefor, and optical waveguide with lens Toshihiro Kuroda, Masao Uchigasaki 2016-12-13
9513434 Optical waveguide and manufacturing method thereof Toshihiro Kuroda, Hiroshi Betsui, Kouta Segawa, Masao Uchigasaki 2016-12-06
9442251 Optical waveguide with mirror, optical fiber connector, and manufacturing method thereof Hiroshi Betsui, Toshihiro Kuroda, Kouta Segawa, Masao Uchigasaki 2016-09-13
8891921 Optical waveguide Toshihiro Kuroda, Hiromichi Aoki 2014-11-18
8818147 Optical waveguide substrate and method for manufacturing same Toshihiro Kuroda, Shigeyuki Yagi, Tomoaki Shibata 2014-08-26