Issued Patents All Time
Showing 26–50 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6246811 | Irreversible optical device utilizing optical frequency shift | In-Kag Hwang, Seok-Hyun Yun | 2001-06-12 |
| 6233379 | Acousto-optic filter | Seok-Hyun Yun, Bong Wan Lee | 2001-05-15 |
| 6233371 | Optical fiber polarization controller | Yeon Wan Koh, Young Kie Kim, Young Bae Yeo | 2001-05-15 |
| 6208590 | Sagnac interferometric sensor array for acoustic sensing and method of detecting acoustic signals | Wang-Joo Lee, Ki-Ho Han | 2001-03-27 |
| 6091865 | Irreversible optical device utilizing optical frequency shift | In-Kag Hwang, Seok-Hyun Yun | 2000-07-18 |
| 6034770 | Interferometric laser sensor having a linear laser cavity | Hyo Sang Kim | 2000-03-07 |
| 6021237 | All-fiber acousto-optic tunable filter | Hyo Sang Kim, Seok-Hyun Yun, In-Kag Hwang | 2000-02-01 |
| 5969816 | Direction switched mode-locked laser gyroscope | Sun Hyok Chang, Seong Joon AHN | 1999-10-19 |
| 5453836 | Fiber optic laser rotation sensor utilizing a fiber loop reflector | Min Yong Jeon, Ho Jin Jeong | 1995-09-26 |
| 5448657 | Polarimetric fiber laser sensors | Hyang Kyun Kim, Seung Kyung Kim | 1995-09-05 |
| 5444803 | Fiber-optic devices and sensors using fiber grating | Yeon Wan Koh, Seok-Hyun Yun | 1995-08-22 |
| 5406370 | Winding technique for decreasing the pump power requirement of a brillouin fiber optic gyroscope | Shangyuan Huang, Hebert J. Shaw, Keiichiro Toyama | 1995-04-11 |
| 5355216 | Optical fiber sensor having digital integrating detection system utilizing electronic phase lock loop | Kenneth A. Fesler, James S. Bunn | 1994-10-11 |
| 5351252 | Technique of reducing the Kerr effect and extending the dynamic range in a Brillouin fiber optic gyroscope | Keiichiro Toyama, Shangyuan Huang, Herbert J. Shaw | 1994-09-27 |
| 5333047 | Optical fiber sensor having digital integrating detection system utilizing electronic phase lock loop | Keiichiro Toyama | 1994-07-26 |
| 5255274 | Broadband laser source | Paul F. Wysocki, Michel J. F. Digonnet | 1993-10-19 |
| 5214487 | Fiber optic gyro | George A. Pavlath | 1993-05-25 |
| 5200795 | Passive quadrature phase detection system for coherent fiber optic systems | Hee Gap Park, Shangyuan Huang | 1993-04-06 |
| 5189676 | Broadband laser source | Paul F. Wysocki, Michel J. F. Digonnet | 1993-02-23 |
| 5177562 | Stability compensated broadband source and fiber interferometer | Paul F. Wysocki, Michel J. F. Digonnet, Herbert J. Shaw | 1993-01-05 |
| 5173743 | Fiber optical time-division-multiplexed unbalanced pulsed interferometer with polarization fading compensation | — | 1992-12-22 |
| 5108183 | Interferometer utilizing superfluorescent optical source | John J. Fling, Kenneth A. Fesler, Michel J. F. Digonnet, Herbert J. Shaw | 1992-04-28 |
| 5106193 | Optical waveguide amplifier source gyroscope | Kenneth A. Fesler, Michel J. F. Digonnet, Herbert J. Shaw | 1992-04-21 |
| 5022732 | Fiber optic intermode coupling single sideband frequency shifter | Helge E. Engan, James N. Blake, Herbert J. Shaw | 1991-06-11 |
| 4964131 | Broadband optical fiber laser | Karen Liu, Michel J. F. Digonnet, Kenneth A. Fesler, Herbert J. Shaw | 1990-10-16 |