Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8774575 | Optical waveguide and optical waveguide manufacturing member | Makoto Fujiwara, Kenji Miyao, Yoji Shirato, Koji Choki | 2014-07-08 |
| 8588566 | Electronic apparatus, cellular phone, flexible cable and method for manufacturing optical waveguide forming body | Koji Choki, Tetsuya Mori, Kei Watanabe | 2013-11-19 |
| 8420293 | Optical waveguides and methods thereof | Koji Choki, Tetsuya Mori, Ramakrishna Ravikiran, Makoto Fujiwara, Keizo Takahama +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, Kenji Miyao, Keizo Takahama, Tetsuya Mori, Kei Watanabe +2 more | 2012-06-26 |
| 8053166 | Optical waveguides and methods thereof | Koji Choki, Tetsuya Mori, Ramakrishna Ravikiran, Makoto Fujiwara, Keizo Takahama +6 more | 2011-11-08 |
| 8021825 | Optical waveguides and methods thereof | Koji Choki, Tetsuya Mori, Ramakrishna Ravikiran, Makoto Fujiwara, Keizo Takahama +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, Kenji Miyao, Keizo Takahama, Tetsuya Mori, Kei Watanabe +2 more | 2011-01-11 |
| 7820356 | Optical waveguides and methods thereof | Koji Choki, Tetsuya Mori, Ramakrishna Ravikiran, Makoto Fujiwara, Keizo Takahama +6 more | 2010-10-26 |