loadpatents
Patent applications and USPTO patent grants for Okada; Seigo.The latest application filed is for "led drive circuit and led light-emitting device".
Patent | Date |
---|---|
LED drive circuit and LED light-emitting device Grant 7,764,028 - Mariyama , et al. July 27, 2 | 2010-07-27 |
Led Drive Circuit And Led Light-emitting Device App 20080203936 - MARIYAMA; Mitsuru ;   et al. | 2008-08-28 |
Photothyristor device, bidirectional photothyristor device and electronic apparatus Grant 7,378,687 - Nakajima , et al. May 27, 2 | 2008-05-27 |
Photothyristor device, bidirectional photothyristor device and electronic apparatus App 20050045908 - Nakajima, Satoshi ;   et al. | 2005-03-03 |
Semiconductor device and manufacturing method therefor Grant 6,858,871 - Okada February 22, 2 | 2005-02-22 |
Photodiode with electrode for noise immunity Grant 6,649,949 - Okada November 18, 2 | 2003-11-18 |
Photodiode App 20020195629 - Okada, Seigo | 2002-12-26 |
Semiconductor device and manufacturing method therefor App 20020079499 - Okada, Seigo | 2002-06-27 |
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.