Ryu, Shiro
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ryu, Shiro.The latest application filed is for "optical transmission system and node adding method".
- Ryu, Shiro - Tokyo JP
- Ryu; Shiro - Kanagawa JP
- Ryu; Shiro - Ichikawa JP
| Patent | Date |
|---|---|
| Optical transmission system and node adding method App 20010019439 - Ryu, Shiro ; et al. | 2001-09-06 |
| Apparatus for detecting a fault location in an optical fiber line Grant 6,185,020 - Horiuchi , et al. February 6, 2 | 2001-02-06 |
| Coherent optical receiver having optically amplified local oscillator signal Grant 5,463,461 - Horiuchi , et al. October 31, 1 | 1995-10-31 |
| Optical frequency multiplex carrier control system Grant 5,387,992 - Miyazaki , et al. February 7, 1 | 1995-02-07 |
| Method for measuring dispersion characteristics of an optical fiber Grant 4,984,884 - Ryu , et al. January 15, 1 | 1991-01-15 |
| Controller for semiconductor laser light source Grant 4,977,564 - Ryu , et al. December 11, 1 | 1990-12-11 |
| Polarization diversity light receiving system using baseband combining Grant 4,888,817 - Ryu , et al. December 19, 1 | 1989-12-19 |
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.
| 