Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10958035 | Wavelength-multiplexed light transmission module and method for manufacturing same | — | 2021-03-23 |
| 9563065 | Optical module and method of manufacturing the same | Nobuyuki Yasui, Koichi Nakamura, Tetsuhiro Fukao | 2017-02-07 |
| 9335495 | Optical module | Hiromitsu Itamoto | 2016-05-10 |
| 9172335 | Optical receiver module | Yuto Ueno | 2015-10-27 |
| 7936495 | Optical modulation device | Norio Okada, Atsushi Sugitatsu | 2011-05-03 |
| 7158695 | Optical delay circuit, integrated optical device, and method of manufacturing integrated optical device | Atsushi Sugitatsu, Susumu Noda | 2007-01-02 |
| 7082233 | Optical switch and method of manufacturing the same | Takeshi Saito, Seiichiro Tabata | 2006-07-25 |
| 7010179 | Differential drive semiconductor optical modulator | Norio Okada | 2006-03-07 |
| 6873754 | Optical switch and method of manufacturing the same | Seiichiro Tabata | 2005-03-29 |
| 6865197 | Laser diode module | Atsushi Sugitatsu, Satoshi Tamura | 2005-03-08 |
| 6819688 | Semiconductor laser device and optical fiber amplifier | Kiyohide Sakai, Yuuhiko Hamada, Takeshi Fujita, Yasuaki Yoshida, Kimio Shigihara | 2004-11-16 |
| 6563983 | Laser diode module | Satoshi Tamura | 2003-05-13 |
| 6556597 | Laser diode module | Kiyohide Sakai | 2003-04-29 |
| 6519381 | Optical switch and method of producing the same | Atsushi Sugitatsu, Takeshi Saito, Aritomo Uemura, Jun Fujita | 2003-02-11 |
| 6507683 | Free-space optical switch | Atsushi Sugitatsu, Takeshi Saito | 2003-01-14 |
| 6010251 | Laser diode modules converging parts, and optical coupling methods | Haruki Koyanagi | 2000-01-04 |