loadpatents
Patent applications and USPTO patent grants for Iwamoto; Masanobu.The latest application filed is for "semiconductor light-emitting device and optical coupling device".
Patent | Date |
---|---|
Semiconductor Light-emitting Device And Optical Coupling Device App 20220293817 - Tanaka; Akira ;   et al. | 2022-09-15 |
Optical semiconductor element Grant 11,114,822 - Iwamoto , et al. September 7, 2 | 2021-09-07 |
Optical Semiconductor Element App 20210066888 - IWAMOTO; Masanobu ;   et al. | 2021-03-04 |
Photocoupler and semiconductor light emitting element Grant 9,070,817 - Fujimoto , et al. June 30, 2 | 2015-06-30 |
Photocoupler And Semiconductor Light Emitting Element App 20140084305 - Fujimoto; Kenji ;   et al. | 2014-03-27 |
Semiconductor light emitting element Grant 6,548,834 - Sugawara , et al. April 15, 2 | 2003-04-15 |
Semiconductor light emitting element App 20020139984 - Sugawara, Hideto ;   et al. | 2002-10-03 |
Led display device Grant 6,229,834 - Nisitani , et al. May 8, 2 | 2001-05-08 |
LED display device Grant 5,732,098 - Nisitani , et al. March 24, 1 | 1998-03-24 |
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.