KC

Koji Choki

SC Sumitomo Bakelite Co.: 11 patents #8 of 790Top 2%
PR Promerus: 4 patents #38 of 140Top 30%
Overall (All Time): #464,607 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8774575 Optical waveguide and optical waveguide manufacturing member Makoto Fujiwara, Kenji Miyao, Yoji Shirato, Mutsuhiro Matsuyama 2014-07-08
8705925 Optical waveguide film, laminated type optical waveguide film, optical waveguide, optical waveguide assembly, optical wiring line, optical/electrical combination substrate and electronic device Shinsuke Terada 2014-04-22
8588566 Electronic apparatus, cellular phone, flexible cable and method for manufacturing optical waveguide forming body Mutsuhiro Matsuyama, Tetsuya Mori, Kei Watanabe 2013-11-19
8420293 Optical waveguides and methods thereof Tetsuya Mori, Ramakrishna Ravikiran, Makoto Fujiwara, Keizo Takahama, 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 Mutsuhiro Matsuyama, Kenji Miyao, Keizo Takahama, Tetsuya Mori, Kei Watanabe +2 more 2012-06-26
8200058 Light guide and light guide structure Tetsuya Mori, Keizo Takahama, Makoto Fujiwara, Kei Watanabe, Hiroshi Owari 2012-06-12
8053166 Optical waveguides and methods thereof Tetsuya Mori, Ramakrishna Ravikiran, Makoto Fujiwara, Keizo Takahama, Kei Watanabe +6 more 2011-11-08
8021825 Optical waveguides and methods thereof Tetsuya Mori, Ramakrishna Ravikiran, Makoto Fujiwara, Keizo Takahama, 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 Mutsuhiro Matsuyama, Kenji Miyao, Keizo Takahama, Tetsuya Mori, Kei Watanabe +2 more 2011-01-11
7820356 Optical waveguides and methods thereof Tetsuya Mori, Ramakrishna Ravikiran, Makoto Fujiwara, Keizo Takahama, Kei Watanabe +6 more 2010-10-26
5356717 Magnetic card having embossed portions and a magnetic layer having magnetic powders specified binder resins and a tensile elongation at break of 50 percent or more Masaharu Saito, Kunimasa Kobayashi, Toru Tachiwada, Katsufumi Awaya 1994-10-18