Muraki; Ryoji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Muraki; Ryoji.The latest application filed is for "mechanical seal device".
- Muraki; Ryoji - Tokyo JP
- Muraki; Ryoji - Niigata-ken JP
- Muraki; Ryoji - Nishinomiya JP
| Patent | Date |
|---|---|
| Mechanical seal device Grant 9,574,667 - Takahashi , et al. February 21, 2 | 2017-02-21 |
| Mechanical Seal Device App 20160003361 - TAKAHASHI; Hidekazu ; et al. | 2016-01-07 |
| Shaft seal device Grant 6,454,268 - Muraki September 24, 2 | 2002-09-24 |
| Shaft seal device App 20020109302 - Muraki, Ryoji | 2002-08-15 |
| Fuel combustion control system Grant 4,545,009 - Muraki , et al. October 1, 1 | 1985-10-01 |
| Input control method and means for nitrogen oxide removal Grant 4,302,205 - Muraki , et al. November 24, 1 | 1981-11-24 |
| Input control method and means for nitrogen oxide removal means Grant 4,188,190 - Muraki , et al. February 12, 1 | 1980-02-12 |
| Method for treating exhaust gases Grant 4,044,102 - Muraki , et al. August 23, 1 | 1977-08-23 |
| Method for removing sulfur dioxide from waste gases Grant 3,983,217 - Muraki , et al. September 28, 1 | 1976-09-28 |
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.
| 