Sugimoto; Shigetoki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sugimoto; Shigetoki.The latest application filed is for "semiconductor laser having an etched mirror and a narrow stripe width, with an integrated photodetector".
- Sugimoto; Shigetoki - Tokyo JP
| Patent | Date |
|---|---|
| Semiconductor laser having an etched mirror and a narrow stripe width, with an integrated photodetector Grant 4,470,143 - Kitamura , et al. September 4, 1 | 1984-09-04 |
| Bidirectional optical fiber transmission system Grant 4,289,373 - Sugimoto , et al. September 15, 1 | 1981-09-15 |
| Light switch Grant 4,265,513 - Matsushita , et al. May 5, 1 | 1981-05-05 |
| Light coupling and branching device using light focusing transmission body Grant 4,213,677 - Sugimoto , et al. July 22, 1 | 1980-07-22 |
| Synchronizing System For Phase-modulation Telecommunication System Grant 3,769,587 - Matsuo , et al. October 30, 1 | 1973-10-30 |
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.
| 