Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9341788 | Optical module | Nobuo Ohata | 2016-05-17 |
| 8915602 | Optical module | — | 2014-12-23 |
| 8395765 | Wavelength monitor | Keita Mochizuki, Hiroshi Aruga | 2013-03-12 |
| 8391724 | Optical modulator, optical transmission device, and bias adjusting method | Hiroshi Aruga, Keita Mochizuki | 2013-03-05 |
| 7936495 | Optical modulation device | Norio Okada, Tatsuo Hatta | 2011-05-03 |
| 7436873 | Optical device and semiconductor laser oscillator | Susumu Noda | 2008-10-14 |
| 7390683 | Method of manufacturing a semiconductor device including a slab layer with a periodic air hole structure and a linear defect region | Hitoshi Tada, Susumu Noda | 2008-06-24 |
| 7181120 | Optical active device | Susumu Noda | 2007-02-20 |
| 7158695 | Optical delay circuit, integrated optical device, and method of manufacturing integrated optical device | Tatsuo Hatta, Susumu Noda | 2007-01-02 |
| 7042014 | Semiconductor device | Hitoshi Tada, Susumu Noda | 2006-05-09 |
| 6865197 | Laser diode module | Tatsuo Hatta, Satoshi Tamura | 2005-03-08 |
| 6519381 | Optical switch and method of producing the same | Tatsuo Hatta, Takeshi Saito, Aritomo Uemura, Jun Fujita | 2003-02-11 |
| 6507683 | Free-space optical switch | Takeshi Saito, Tatsuo Hatta | 2003-01-14 |
| 5811754 | Optical processing method and apparatus for carrying out the same | Hajime Nakatani, Masao Izumo, Tadao Minagawa, Yasushi Minamitani, Yoshifumi Matsushita +2 more | 1998-09-22 |
| 5661744 | Excimer laser beam irradiation apparatus for optically processing workpiece | Kazuyuki Murakami, Hajime Nakatani, Tadao Minagawa, Toshinori Yagi, Keiko Ito | 1997-08-26 |
| 5347531 | Transverse discharging excitation pulse laser oscillator apparatus | Hajime Nakatani | 1994-09-13 |
| 5305339 | Pulse laser apparatus | Hajime Nakatani, Yasushi Minamitani | 1994-04-19 |
| 5243614 | Wavelength stabilizer for narrow bandwidth laser | Hitoshi Wakata, Hajime Nakatani, Yasushi Minamitani | 1993-09-07 |
| 5130998 | Laser device with oscillation wavelength control | Hitoshi Wakata | 1992-07-14 |
| 5090021 | Discharge exciting pulse laser device | Hajime Nakatani | 1992-02-18 |