Takeyari; Ryoji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Takeyari; Ryoji.The latest application filed is for "optical transmission system constructing method and system".
- Takeyari; Ryoji - Koganei JP
- Takeyari; Ryoji - Koganei-shi JP
- Takeyari; Ryoji - Kokubunji JP
- Takeyari, Ryoji - Kokubunji-shi JP
- Takeyari, Ryoji - Tokyo JP
| Patent | Date |
|---|---|
| Optical transmission system constructing method and system Grant 7,292,785 - Tomooka , et al. November 6, 2 | 2007-11-06 |
| Optical transmission system constructing method and system App 20070053687 - Tomooka; Keiji ; et al. | 2007-03-08 |
| Optical transmission system constructing method and system Grant 7,167,652 - Tomooka , et al. January 23, 2 | 2007-01-23 |
| Optical frequency division multiplexing network Grant 7,127,170 - Takai , et al. October 24, 2 | 2006-10-24 |
| Optical transmitter Grant 7,099,596 - Watanabe , et al. August 29, 2 | 2006-08-29 |
| Optical transmitter equipment and semiconductor laser device Grant 6,931,039 - Nakahara , et al. August 16, 2 | 2005-08-16 |
| Optical frequency division multiplexing network App 20050175351 - Takai, Atsushi ; et al. | 2005-08-11 |
| Optical single sideband transmitter Grant 6,850,713 - Kikuchi , et al. February 1, 2 | 2005-02-01 |
| Wavelength-multiplexed narrow-bandwidth optical transmitter and wavelength-multiplexed vestigial-side-band optical transmitter App 20040208428 - Kikuchi, Nobuhiko ; et al. | 2004-10-21 |
| Optical transmission system constructing method and system App 20040161189 - Tomooka, Keiji ; et al. | 2004-08-19 |
| Optical transmission system constructing method and system Grant 6,728,489 - Tomooka , et al. April 27, 2 | 2004-04-27 |
| Optical transmitter equipment and semiconductor laser device App 20040028100 - Nakahara, Kouji ; et al. | 2004-02-12 |
| Optical receiver Grant 6,658,217 - Ohhata , et al. December 2, 2 | 2003-12-02 |
| Optical single sideband transmitter App 20030189745 - Kikuchi, Nobuhiko ; et al. | 2003-10-09 |
| Optical transmitter App 20030180054 - Watanabe, Koichi ; et al. | 2003-09-25 |
| Optical frequency division multiplexing network Grant 6,619,865 - Takai , et al. September 16, 2 | 2003-09-16 |
| Band-expanding method for optical amplifiers and optical transmission apparatus Grant 6,587,260 - Kikuchi , et al. July 1, 2 | 2003-07-01 |
| Band-expanding method for optical amplifiers and optical transmission apparatus App 20020145796 - Kikuchi, Nobuhiko ; et al. | 2002-10-10 |
| Clock producing circuit and semiconductor integrated circuit for communication App 20020031148 - Watanabe, Keiki ; et al. | 2002-03-14 |
| Optical transmission system constructing method and system App 20020024699 - Tomooka, Keiji ; et al. | 2002-02-28 |
| Optical receiver App 20020005974 - Ohhata, Kenichi ; et al. | 2002-01-17 |
| Optical transmission equipment which transmits an amplified optical data signal and an optical surveillance signal Grant 6,266,169 - Tomooka , et al. July 24, 2 | 2001-07-24 |
| Optical wavelength multiplexing system Grant 6,005,699 - Tomooka , et al. December 21, 1 | 1999-12-21 |
| Optical multiplex transmission equipment and method Grant 5,861,972 - Tomooka , et al. January 19, 1 | 1999-01-19 |
| Feedback type pre-amplifier Grant 5,844,445 - Takeyari December 1, 1 | 1998-12-01 |
| Optical frequency division multiplexing network Grant 5,801,864 - Takai , et al. September 1, 1 | 1998-09-01 |
| Optical transmission system constructing method and system Grant 5,739,932 - Tomooka , et al. April 14, 1 | 1998-04-14 |
| Multicast communications method Grant 5,612,959 - Takase , et al. March 18, 1 | 1997-03-18 |
| Optical transmission system constructing method and system Grant 5,555,477 - Tomooka , et al. September 10, 1 | 1996-09-10 |
| Optical frequency division multiplexing network Grant 5,510,921 - Takai , et al. April 23, 1 | 1996-04-23 |
| Optical routing system Grant 5,438,444 - Tayonaka , et al. August 1, 1 | 1995-08-01 |
| Homodyne optical receiver equipment Grant 5,323,258 - Tsushima , et al. June 21, 1 | 1994-06-21 |
| Optical frequency division multiplexing network Grant 5,321,540 - Takai , et al. June 14, 1 | 1994-06-14 |
| Polarization diversity optical receiving apparatus and method Grant 5,142,402 - Tsushima , et al. August 25, 1 | 1992-08-25 |
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.
| 