Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643439 | Photonic crystal waveguide | Masaya Notomi, Koji Yamada, Akihiko Shinya, Junichi Takahashi, Chiharu Takahashi | 2003-11-04 |
| 5981756 | Deuterated 2-adamantylamino-5-nitropyridine, organic nonlinear optical material containing the compound, and production method of the compound | Atsushi Yokoo, Satoru Tomaru, Toshikuni Kaino | 1999-11-09 |
| 5851284 | Process for producing garnet single crystal | Shigeo Ishibashi, Yuzo Ishida, Kazunori Naganuma | 1998-12-22 |
| 5025448 | Method and apparatus for stabilizing frequency of semiconductor laser | Shoichi Sudo, Yoshihisa Sakai, Hiroshi Yasaka, Tetsuhiko Ikegami, Yuzo Yoshikuni +1 more | 1991-06-18 |
| 4869570 | Fiber coupler and method and apparatus for manufacturing the same | Kazunori Chida, Juichi Noda, Hiroaki Hanafusa, Yoshiaki Takeuchi, Mitsuhiro Tateda | 1989-09-26 |