Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7320232 | Apparatus for fabricating holey optical fiber | Duk Young Kim, Young-Min Paik | 2008-01-22 |
| 6845202 | Optical fiber maximizing residual mechanical stress | Young-Joo Chung, Chang Seok Kim, Yong-Woo Park, Hyun Soo Park, Kyung-Ho Kwack | 2005-01-18 |
| 6813959 | Apparatus and method for measuring residual stress and photoelastic effect of optical fiber | Dug-Young Kim, Yong-Woo Park, Mun-Hyun Do | 2004-11-09 |
| 6705126 | Method for fabricating holey optical fiber | Duk Young Kim, Young-Min Paik | 2004-03-16 |
| 6678433 | Apparatus and method for measuring residual stress and photoelastic effect of optical fiber | Jin Han Kim, Sung-Koog Oh, Yong-Woo Park, Dug-Young Kim | 2004-01-13 |
| 6647162 | Apparatus and method for measuring residual stress and photoelastic effect of optical fiber | Dug-Young Kim, Yong-Woo Park, Mun-Hyun Do | 2003-11-11 |
| 6636684 | Dispersive optical fiber using binary component silica | Kyung Hwan Oh, Hong-Seok SEO | 2003-10-21 |
| 6600863 | Method for fabricating alloy-coated optical fiber | Dong-Soo Park, Yong-Kong Seo, Jin Han Kim | 2003-07-29 |
| 6568220 | Method of fabricating optical fiber gratings maximizing residual mechanical stress in the optical fibers | Young-Joo Chung, Chang Seok Kim, Yong-Woo Park, Hyun Soo Park, Kyung-Ho Kwack | 2003-05-27 |
| 6523368 | Dispersion-managed fiber preform and fabricating method thereof by MCVD | Jae Deuk Lee, Yong-Woo Park, Ghie-Hugh Song, Mun-Hyun Do | 2003-02-25 |
| 6392789 | Erbium-doped optical fiber having gratings formed therein and fabrication method thereof | Young-Joo Chung, Chang Seok Kim, Young-Geun Han, Hyun Soo Park, Kyung-Ho Kwack | 2002-05-21 |
| 6385370 | Device and method for forming anti-symmetric long period optical fiber gratings by microbending | Young-Joo Chung, Chang Seok Kim, Jong Ho Kim, Hyun Soo Park, Kyung-Ho Kwack | 2002-05-07 |
| 6373564 | Image tracking device and method for transverse measurement of optical fiber | Yong-Woo Park, Dug-Young Kim | 2002-04-16 |
| 6307993 | Optical fiber for wavelength division miltiplexing communications | Kyung Hwan Oh, Ghie-Hugh Song, Xiao-Jun Li, Ki-Un Namkoong, Seung-Hun Oh | 2001-10-23 |
| 6307994 | Multi-cladding optical fiber, long-period optical fiber grating written therein and writing method thereof | Kyung Hwan Oh, Young-Geun Han | 2001-10-23 |
| 6279354 | Cooler of optical fiber draw tower | Sung-Koog Oh, Man Seok SEO, Kyu-Hwan Hwang | 2001-08-28 |
| 6233386 | Optical fiber for use in Bragg grating and fiber Bragg grating using the same | Kyung Hwan Oh | 2001-05-15 |
| 6053013 | Apparatus and method for overcladding optical fiber preform rod and optical fiber drawing method | Seung-Hun Oh, Ki-Un Namkoong, Man Seok SEO, Kyung Hwan Oh, Ghie-Hugh Song +2 more | 2000-04-25 |
| 4713105 | Method for glass fiber splicing by flame fusion | John T. Krause, Charles R. Kurkjian | 1987-12-15 |
| 4608473 | Modified zirconia induction furnace | Charles M. Schroeder | 1986-08-26 |
| 4594088 | Method and apparatus for making, coating and cooling lightguide fiber | Charles M. Schroeder | 1986-06-10 |
| 4578098 | Apparatus for controlling lightguide fiber tension during drawing | Charles M. Schroeder | 1986-03-25 |
| 4539226 | High speed lightguide coating apparatus | Charles M. Schroeder | 1985-09-03 |
| 4533378 | Modified zirconia induction furnace | Charles M. Schroeder | 1985-08-06 |
| 4516826 | Single mode lightguide fiber having a trapezoidal refractive index profile | — | 1985-05-14 |