KT

Keizo Takahama

SC Sumitomo Bakelite Co.: 9 patents #12 of 790Top 2%
PR Promerus: 4 patents #38 of 140Top 30%
Overall (All Time): #576,449 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
8699841 Photosensitive resin composition, optical waveguide film, film for forming optical waveguide, optical interconnect, opto-electric hybrid circuit board, electronic device, and a method of manufacturing an optical waveguide film Tetsuya Mori 2014-04-15
8420293 Optical waveguides and methods thereof Koji Choki, Tetsuya Mori, Ramakrishna Ravikiran, Makoto Fujiwara, Kei Watanabe +6 more 2013-04-16
8208769 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 2012-06-26
8200058 Light guide and light guide structure Koji Choki, Tetsuya Mori, Makoto Fujiwara, Kei Watanabe, Hiroshi Owari 2012-06-12
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
7820356 Optical waveguides and methods thereof Koji Choki, Tetsuya Mori, Ramakrishna Ravikiran, Makoto Fujiwara, Kei Watanabe +6 more 2010-10-26
5773509 Heat resistant resin composition, heat resistant film adhesive and process for producing the same Tatsuhiro Yoshida, Syusaku Okamyo 1998-06-30