SY

Shiyoshi Yokoyama

KU Kyushu University, National University: 4 patents #50 of 767Top 7%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
KU Kyushu University: 2 patents #51 of 186Top 30%
NI Nissan Chemical Industries: 2 patents #451 of 1,150Top 40%
Overall (All Time): #630,701 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11061297 Nonlinear optically active copolymer into which alicyclic group has been introduced Hiroki Miura, Daisuke Maeda, Kei Yasui, Tsubasa Kashino, Masaaki Ozawa 2021-07-13
10754064 Second-order nonlinear optical compound and nonlinear optical element comprising the same Akira OTOMO, Isao Aoki, Hideki Miki, Hidehisa Tazawa 2020-08-25
9977150 Second-order nonlinear optical compound and nonlinear optical element comprising the same Akira OTOMO, Isao Aoki, Hideki Miki, Hidehisa Tazawa 2018-05-22
9594189 High refractive index cladding material and electro-optical polymer optical waveguide Kazuhiro Yamamoto, Kei Yasui, Masaaki Ozawa, Keisuke Odoi 2017-03-14
9488755 Second-order nonlinear optical compound and nonlinear optical element comprising the same Akira OTOMO, Isao Aoki, Hideki Miki, Hidehisa Tazawa 2016-11-08
8846955 Second-order nonlinear optical compound and nonlinear optical element comprising the same Akira OTOMO, Isao Aoki, Hideki Miki, Hidehisa Tazawa 2014-09-30
7205428 Thioether derivatives, their method for production and use Hideki Miki, Tatsuo Nakahama, Shinro Mashiko 2007-04-17
6630578 Thioether derivatives, their method for production and use Hideki Miki, Tatsuo Nakahama, Shinro Mashiko 2003-10-07