Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D986025 | Door lock | Kazunori Seto, Koji Nishimura | 2023-05-16 |
| 9098728 | Viewing apparatus and computer-readable medium | Yasuo Kishigami, Tomoko Yamazaki | 2015-08-04 |
| 9065251 | Wavelength monitor, wavelength lockable laser diode and method for locking emission wavelength of laser diode | Toshimitsu Kaneko, Lance Thompson, Phillip J. Edwards | 2015-06-23 |
| 9046703 | Optical modulator module and semiconductor optical modulator | Naoya KONO, Morihiro Seki, Kazuhiro Yamaji, Yasuyuki Yamauchi, Keiji Tanaka +2 more | 2015-06-02 |
| 8737446 | Semiconductor laser | — | 2014-05-27 |
| 8705901 | Method for making polarization rotator and the polarization rotator made thereby | — | 2014-04-22 |
| 8649410 | Semiconductor laser and method for manufacturing the same | Takashi Kato | 2014-02-11 |
| 8488637 | Semiconductor laser | — | 2013-07-16 |
| 8384980 | Semiconductor optical modulation device, Mach-Zehnder interferometer type semiconductor optical modulator, and method for producing semiconductor optical modulation device | — | 2013-02-26 |
| 8155161 | Semiconductor laser | — | 2012-04-10 |
| 8149889 | Semiconductor laser device | — | 2012-04-03 |
| 8005123 | Wavelength tunable laser | — | 2011-08-23 |
| 7995635 | Semiconductor laser | — | 2011-08-09 |
| 7596162 | Method for forming a coating film on a facet of a semiconductor laser diode | Hiroyuki Ichikawa | 2009-09-29 |
| 7228045 | Optical waveguide device and method of manufacturing same | Tetsuya Hattori, Morihiro Seki | 2007-06-05 |
| 7181119 | Optically amplifying waveguide, optical amplifier module, and optical communication system | Motoki Kakui | 2007-02-20 |
| 7127135 | Optical device with lightwave circuit element | Hiroshi Kohda | 2006-10-24 |
| 7110639 | Lightwave circuit device | — | 2006-09-19 |
| 7092607 | Optical waveguide device, and method of manufacturing optical waveguide device | Tetsuya Hattori | 2006-08-15 |
| 5746801 | Process of producing fluoride glass | Masashi Onishi, Hiroo Kanamori | 1998-05-05 |
| 5740297 | Dispersion-compensating fiber and method of fabricating the same | Masashi Onishi, Hiroo Kanamori | 1998-04-14 |
| 5581647 | Method of fabricating dispersion compensation fiber | Masashi Onishi, Koji Amemiya, Hiroo Kanamori | 1996-12-03 |