KT

Keizo Takahama

SC Sumitomo Bakelite Co.: 3 patents #1 of 71Top 2%
PR Promerus: 2 patents #10 of 38Top 30%
Overall (2011): #43,509 of 364,097Top 15%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8053166 Optical waveguides and methods thereof Koji Choki, Tetsuya Mori, Ramakrishna Ravikiran, Makoto Fujiwara, Kei Watanabe +6 more 2011-11-08
8021825 Optical waveguides and methods thereof Koji Choki, Tetsuya Mori, Ramakrishna Ravikiran, Makoto Fujiwara, Kei Watanabe +6 more 2011-09-20
7869670 Substrate for mounting an optical element, optical circuit substrate, and substrate on which an optical element is mounted Koji Choki, Mutsuhiro Matsuyama, Kenji Miyao, Tetsuya Mori, Kei Watanabe +2 more 2011-01-11