Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8420293 | Optical waveguides and methods thereof | Koji Choki, Tetsuya Mori, Ramakrishna Ravikiran, Makoto Fujiwara, Keizo Takahama +6 more | 2013-04-16 |
| 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 |
| 7820356 | Optical waveguides and methods thereof | Koji Choki, Tetsuya Mori, Ramakrishna Ravikiran, Makoto Fujiwara, Keizo Takahama +6 more | 2010-10-26 |