loadpatents
Patent applications and USPTO patent grants for Tanisawa; Yasuhisa.The latest application filed is for "light-receiving structure for wave-guide type optical devices".
Patent | Date |
---|---|
Light-receiving structure for wave-guide type optical devices Grant 5,771,322 - Matsumoto , et al. June 23, 1 | 1998-06-23 |
Method of manufacturing a compact optical semiconductor module capable of being readily assembled with a high precision Grant 5,478,778 - Tanisawa December 26, 1 | 1995-12-26 |
Compact optical semiconductor module capable of being readily assembled with a high precision Grant 5,283,446 - Tanisawa February 1, 1 | 1994-02-01 |
Optical module, method for fabricating the same and optical module unit with the same Grant 5,278,929 - Tanisawa , et al. January 11, 1 | 1994-01-11 |
Optical waveguide device with two predetermined wavelength, polarization independent, directional coupler switches Grant 5,148,507 - Tanisawa September 15, 1 | 1992-09-15 |
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.