Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6810189 | Optical waveguide and method for preparing the same | Tatemi Ido, Tadahiro Kimura, Tooru Takahashi | 2004-10-26 |
| 6671438 | Optical waveguide, optical module, and their fabrication method | Tatemi Ido | 2003-12-30 |
| 6356692 | Optical module, transmitter, receiver, optical switch, optical communication unit, add-and-drop multiplexing unit, and method for manufacturing the optical module | Tatemi Ido, Hirokazu Ichikawa, Akira Kuwahara, Taira Kinoshita | 2002-03-12 |