Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7476038 | Optical device module | Hirofumi Aota, Kazuaki Akimoto, Hideyuki Miyata, Yoichi Oikawa | 2009-01-13 |
| 7430344 | Acousto-optic device and fabrication method of acousto-optic device | Hiroshi Miyata, Yukito Tsunoda, Yumi Nakazawa | 2008-09-30 |
| 7362925 | Control method and control apparatus of optical device | Hideyuki Miyata, Hiroshi Onaka, Yutaka Kai, Hiroshi Miyata, Yoichi Takasu +1 more | 2008-04-22 |
| 7340114 | Optical waveguide device and optical modulator | Masaharu Doi, Masaki Sugiyama | 2008-03-04 |
| 7302121 | Optical device and drive voltage supply device | Hiroshi Miyata, Yukito Tsunoda | 2007-11-27 |
| 7239764 | Optical waveguide device with reduced driving voltage | Masaharu Doi, Masaki Sugiyama, Masaaki Ohyama | 2007-07-03 |
| 7218797 | Acousto-optic device and fabrication method of acousto-optic device | Hiroshi Miyata, Yukito Tsunoda | 2007-05-15 |
| 7177490 | Optical waveguide, optical device, and method of manufacturing optical waveguide | Masaki Sugiyama | 2007-02-13 |
| 7155072 | Optical modulator | Masaharu Doi, Masaki Sugiyama | 2006-12-26 |
| 7151866 | Optical device module | Hirofumi Aota, Kazuaki Akimoto, Hideyuki Miyata, Yoichi Oikawa | 2006-12-19 |
| 7116907 | Acousto-optical tunable filters cascaded together | Hiroshi Onaka, Minoru Seino | 2006-10-03 |
| 7095559 | Variable optical delay circuit | Shinji Taniguchi, Yumi Nakazawa, Masaharu Doi | 2006-08-22 |
| 7088875 | Optical modulator | Masaki Sugiyama | 2006-08-08 |
| 7054512 | Optical waveguide, optical device, and method of manufacturing optical waveguide | Masaki Sugiyama | 2006-05-30 |
| 6999223 | Optical modulator | Minoru Seino, Tetsuo Ishizaka, Takehito Tanaka, Masaharu Doi | 2006-02-14 |
| 6950218 | Optical modulator | Masaki Sugiyama, Masaharu Doi, Takehito Tanaka, Akira Ishii | 2005-09-27 |
| 6934433 | Control method and control apparatus of optical device | Hideyuki Miyata, Hiroshi Onaka, Yutaka Kai, Hiroshi Miyata, Yoichi Takasu +1 more | 2005-08-23 |
| 6925214 | Connecting method of optical function devices, and optical apparatus | Hideyuki Miyata, Yoshihiko Kaitoh, Masaharu Doi | 2005-08-02 |
| 6917732 | Connecting method of optical function devices, and optical apparatus | Hideyuki Miyata, Yoshihiko Kaitoh, Masaharu Doi | 2005-07-12 |
| 6873748 | Optical modulator module and optical modulator | Masaki Sugiyama | 2005-03-29 |
| 6870972 | Connecting method of optical devices, and optical apparatus | Hideyuki Miyata, Yoshihiko Kaitoh | 2005-03-22 |
| 6867901 | Optical modulator and design method therefor | Masaki Sugiyama | 2005-03-15 |
| 6847662 | Wavelength-selectable laser capable of high-speed frequency control | Martin Bouda, Ken Morito, Kazumasa Takabayashi, Naoki Hashimoto, Hiroshi Onaka +1 more | 2005-01-25 |
| 6783282 | Optical wavelength filter | Hideyuki Miyata, Masaharu Doi | 2004-08-31 |
| 6768570 | Optical modulator | Masaki Sugiyama | 2004-07-27 |