loadpatents
Patent applications and USPTO patent grants for Yamamoto; Sumitada.The latest application filed is for "optical element, exposure apparatus, and device manufacturing method".
Patent | Date |
---|---|
Optical instrument, exposure apparatus, and device manufacturing method Grant 7,119,952 - Yamamoto October 10, 2 | 2006-10-10 |
Optical element, exposure apparatus, and device manufacturing method App 20060221316 - Yamamoto; Sumitada | 2006-10-05 |
Exposure apparatus and purging method for the same Grant 7,030,960 - Yamamoto April 18, 2 | 2006-04-18 |
Exposure apparatus and purging method for the same App 20050162625 - Yamamoto, Sumitada | 2005-07-28 |
Exposure apparatus and purging method for the same Grant 6,914,667 - Yamamoto July 5, 2 | 2005-07-05 |
Optical instrument, exposure apparatus, and device manufacturing method App 20050117226 - Yamamoto, Sumitada | 2005-06-02 |
Exposure apparatus and purging method for the same App 20040160584 - Yamamoto, Sumitada | 2004-08-19 |
Device manufacturing-related apparatus, reticle, and device manufacturing method App 20030136512 - Yamamoto, Sumitada | 2003-07-24 |
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.