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James L. Chao — 13 Patents

HTHmt Technology: 5 patents #7 of 34Top 25%
WMWd Media: 3 patents #33 of 182Top 20%
IBM: 3 patents #26,335 of 70,183Top 40%
KOKomag: 1 patents #48 of 100Top 50%
LPLenovo (Singapore) Pte.: 1 patents #1,155 of 1,301Top 90%
Milpitas, CA: #409 of 3,192 inventorsTop 15%
California: #47,433 of 386,348 inventorsTop 15%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
James L. Chao has been granted 13 US patents while listed as an inventor at Hmt Technology. The first was granted in 1996 and the most recent in February 2010. James L. Chao ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list James L. Chao in Milpitas, CA, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7656615 Perpendicular magnetic recording disk with a soft magnetic layer having a discrete track recording pattern David Wachenschwanz, Gerardo A. Bertero, David Treves, Andrew M. Homola, Christopher H. Bajorek 2010-02-02 $11,417,000
7608193 Perpendicular magnetic discrete track recording disk David Wachenschwanz, Gerardo A. Bertero, David Treves, Andrew M. Homola, Christopher H. Bajorek 2009-10-27 $46,556,000
7549209 Method of fabricating a magnetic discrete track recording disk David Wachenschwanz, Gerardo A. Bertero, David Treves, Andrew M. Homola, Christopher H. Bajorek 2009-06-23 $14,613,000
7190579 Data processing system with air purifying device — 2007-03-13 $7,068,000
7161098 Method and system for sticky key prevention for keyboard or keypad devices Leonard Douglas Hobgood 2007-01-09
7147790 Perpendicular magnetic discrete track recording disk David Wachenschwanz, Gerardo A. Bertero, David Treves, Andrew M. Homola, Christopher H. Bajorek 2006-12-12 $11,035,000
6716518 Method and system for absorbent sponge membrane for spill protection in electronic devices Charles C. Sloop, III 2004-04-06 $9,984,000
6398436 Spill protection for electronic devices — 2002-06-04 $11,648,000
6358636 Thin overlayer for magnetic recording disk Ming M. Yang, Zhangmin Wang, Michael A. Russak 2002-03-19
6146737 Magnetic recording medium having a nitrogen-containing barrier layer Sudhir S. Malhotra, Brij B. Lal, Michael A. Russak 2000-11-14
5810648 Device for texturing a disc substrate Zhaoguo Jiang, Ming M. Yang, Bruce M. Harper, Michael A. Russak 1998-09-22 $4,614,000
5587217 Lubricant composition and method Yu-Cheun Lee, Chao Gao 1996-12-24 $13,598,000
5520981 Magnetic recording disk with overcoat thickness gradient between a data zone and a landing zone Ming M. Yang, Michael A. Russak 1996-05-28 $22,822,000

Nearby-Ranked Inventors

Jianping Shen13
Eric John Telfeyan13
George R. Breiwa, III13
Thomas Sugar13
Andrew Howley13
Howard Halpern13
Po-Yuan Wang13
Douglas Vanesko13
Tanuj Trivedi13