Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7418206 | Control method of wavelength dispersion compensator, and wavelength dispersion compensator | — | 2008-08-26 |
| 7357521 | Chromatic dispersion compensation device and method | Hirotomo Izumi, Yasuhiro Hirose | 2008-04-15 |
| 7343094 | Transmission characteristics evaluation system and pseudo transmission path apparatus thereof | — | 2008-03-11 |
| 7302189 | Optical component provided with demultiplexing function and wavelength dispersion compensator | — | 2007-11-27 |
| 7200297 | Device using a virtually-imaged phased array (VIPA) with an improved transmission wave characteristic of output light | Yasuhiro Yamauchi, Nobuaki Mitamura, Hirohiko Sonoda | 2007-04-03 |
| 7073915 | Mirror fixing method and optical apparatus | Hideo Okada, Yuji Sakata, Shinichi Wakana, Yujin Yamazaki, Nobuaki Mitamura | 2006-07-11 |
| 7019901 | Wavelength periodical filter | — | 2006-03-28 |
| 6909537 | Dispersion compensator whose transmission band is flattened | Nobuaki Mitamura | 2005-06-21 |
| 6900940 | Optical apparatus and device | Nobuaki Mitamura, Hirotomo Izumi | 2005-05-31 |
| 6894851 | Optical device | Yujin Yamazaki, Nobuaki Mitamura, Hirohiko Sonoda | 2005-05-17 |
| 6646805 | Apparatus for variable wavelength dispersion and wavelength dispersion slope | Nobuaki Mitamura | 2003-11-11 |