Chao; James L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chao; James L..The latest application filed is for "perpendicular magnetic discrete track recording disk".
- Chao; James L. - Fremont CA
- Chao; James L. - Milpitas CA
| Patent | Date |
|---|---|
| Perpendicular magnetic recording disk with a soft magnetic layer having a discrete track recording pattern Grant 7,656,615 - Wachenschwanz , et al. February 2, 2 | 2010-02-02 |
| Perpendicular magnetic discrete track recording disk Grant 7,608,193 - Wachenschwanz , et al. October 27, 2 | 2009-10-27 |
| Method of fabricating a magnetic discrete track recording disk Grant 7,549,209 - Wachenschwanz , et al. June 23, 2 | 2009-06-23 |
| Perpendicular magnetic discrete track recording disk App 20070039922 - Wachenschwanz; David E. ; et al. | 2007-02-22 |
| Perpendicular magnetic discrete track recording disk App 20070041306 - Wachenschwanz; David E. ; et al. | 2007-02-22 |
| Perpendicular magnetic discrete track recording disk Grant 7,147,790 - Wachenschwanz , et al. December 12, 2 | 2006-12-12 |
| Magnetic discrete track recording disk App 20050120545 - Wachenschwanz, David E. ; et al. | 2005-06-09 |
| Magnetic discrete track recording disk App 20050036223 - Wachenschwanz, David E. ; et al. | 2005-02-17 |
| Perpendicular magnetic discrete track recording disk App 20040101713 - Wachenschwanz, David E. ; et al. | 2004-05-27 |
| Thin overlayer for magnetic recording disk Grant 6,358,636 - Yang , et al. March 19, 2 | 2002-03-19 |
| Lubricant composition and method Grant 5,587,217 - Chao , et al. December 24, 1 | 1996-12-24 |
| Magnetic recording disk with overcoat thickness gradient between a data zone and a landing zone Grant 5,520,981 - Yang , et al. May 28, 1 | 1996-05-28 |
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.
| 