Han; Ju-Chang
Patent Applications and Registrations
Patent applications and USPTO patent grants for Han; Ju-Chang.The latest application filed is for "optical fiber for metro network".
- Han; Ju-Chang - Gumi-si KR
- Han; Ju-Chang - Kumi-shi KR
| Patent | Date |
|---|---|
| Optical fiber for metro network Grant 7,305,165 - Han , et al. December 4, 2 | 2007-12-04 |
| Optical fiber for long-distance optical communication network Grant 7,120,341 - Oh , et al. October 10, 2 | 2006-10-10 |
| Optical fiber for metro network Grant 7,116,876 - Jang , et al. October 3, 2 | 2006-10-03 |
| Wide-band dispersion controlled optical fiber Grant 7,003,205 - Cho , et al. February 21, 2 | 2006-02-21 |
| Dispersion-controlled optical fiber Grant 6,999,667 - Jang , et al. February 14, 2 | 2006-02-14 |
| Optical fiber for metro network App 20050265676 - Han, Ju-Chang ; et al. | 2005-12-01 |
| Optical fiber for long-distance optical communication network App 20050254766 - Oh, Sung-Koog ; et al. | 2005-11-17 |
| Optical fiber for metro network App 20050175303 - Jang, Yun-Geun ; et al. | 2005-08-11 |
| Wide-band dispersion controlled optical fiber App 20040141705 - Cho, Jeong-Sik ; et al. | 2004-07-22 |
| Dispersion-controlled optical fiber App 20030190128 - Jang, Yun-Geun ; et al. | 2003-10-09 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 