Liu; Cheng Yih

Patent Applications and Registrations

Patent applications and USPTO patent grants for Liu; Cheng Yih.The latest application filed is for "magnetic thin film head with heat-assisted write section and hard disk drive incorporating same".

Company Profile

0.8.4

Liu; Cheng Yih - Hong Kong CN
Liu; Cheng Yih - Kwai Chung HK
Liu; Cheng Yih - San Jose CA
Liu; Cheng-Yih - Woodbridge VA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Magnetic head slider material, magnetic head slider, and method of manufacturing magnetic head slider material Grant 7,345,849 - Kawaguchi , et al. March 18, 2	2008-03-18
Magnetic thin film head with heat-assisted write section and hard disk drive incorporating same Grant 7,310,206 - Liu , et al. December 18, 2	2007-12-18
MR sensor on an insulating substrate and method of manufacture Grant 7,239,488 - Zhu , et al. July 3, 2	2007-07-03
Magnetic thin film head with heat-assisted write section and hard disk drive incorporating same App 20060143635 - Liu; Cheng Yih ; et al.	2006-06-29
Magnetic head slider material, magnetic head slider, and method of manufacturing magnetic head slider material App 20060002027 - Kawaguchi; Yukio ; et al.	2006-01-05
MR sensor on an insulating substrate and method of manufacture App 20050201019 - Zhu, Li-Yan ; et al.	2005-09-15
Magnetic head substrate material, magnetic head substrate, head slider, and method of making magnetic head substrate App 20050168873 - Kawaguchi, Yukio ; et al.	2005-08-04
Fabrication method for controlled via hole process Grant 4,552,831 - Liu November 12, 1	1985-11-12
Method of fabricating random access memory device Grant 4,240,845 - Esch , et al. December 23, 1	1980-12-23
One-device monolithic random access memory and method of fabricating same Grant 4,219,834 - Esch , et al. August 26, 1	1980-08-26
Neutral pH silicon etchant for etching silicon in the presence of phosphosilicate glass Grant 4,171,242 - Liu October 16, 1	1979-10-16
Polycrystalline silicon etching with tetramethylammonium hydroxide Grant 4,113,551 - Bassous , et al. September 12, 1	1978-09-12

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