Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6915045 | Optical waveguide type grating element, production method thereof, multiplexer/demultiplexer module, and optical transmission system | Ken Hashimoto, Manabu Shiozaki, Akira Inoue | 2005-07-05 |
| 6898002 | Optical device, optical module, optical amplifier, and optical transmission system | Masayuki Shigematsu, Kenichiro Takahashi, Tomomi Sano, Akira Inoue | 2005-05-24 |