Ryu; Yasutake
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ryu; Yasutake.The latest application filed is for "handheld type four-cycle engine".
- Ryu; Yasutake - Wako JP
- Ryu, Yasutake - Wako-shi JP
| Patent | Date |
|---|---|
| Valve-operating mechanism in engine Grant 6,725,820 - Ito , et al. April 27, 2 | 2004-04-27 |
| Handheld type four-cycle engine Grant 6,705,263 - Ito , et al. March 16, 2 | 2004-03-16 |
| Handheld type four-cycle engine Grant 6,672,273 - Ito , et al. January 6, 2 | 2004-01-06 |
| Handheld type four-cycle engine App 20030079704 - Ito, Keita ; et al. | 2003-05-01 |
| Handheld type four-cycle engine App 20030079711 - Ito, Keita ; et al. | 2003-05-01 |
| Valve-operating mechanism in engine App 20030041827 - Ito, Keita ; et al. | 2003-03-06 |
| Engine head cover structure App 20020066433 - Ito, Keita ; et al. | 2002-06-06 |
| Handheld type four-cycle engine App 20010029910 - Ito, Keita ; et al. | 2001-10-18 |
| Lubricating system in a 4-cycle engine App 20010013327 - Ryu, Yasutake ; et al. | 2001-08-16 |
| 4-cycle engine Grant 6,250,273 - Ryu , et al. June 26, 2 | 2001-06-26 |
| Lubricating system in a 4-cycle engine Grant 6,213,078 - Ryu , et al. April 10, 2 | 2001-04-10 |
| Lubricating system in a 4-cycle engine Grant 5,947,075 - Ryu , et al. September 7, 1 | 1999-09-07 |
| System for producing lubricating oil mist in engine Grant 5,860,403 - Hirano , et al. January 19, 1 | 1999-01-19 |
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.
| 