Cheng; Tsungnan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Cheng; Tsungnan.The latest application filed is for "plasma doping a non-planar semiconductor device".

Company Profile

0.7.1

Cheng; Tsungnan - Saratoga CA
Cheng; Tsungnan - San Ramon CA

*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
Plasma doping a non-planar semiconductor device Grant 9,006,065 - Yen , et al. April 14, 2	2015-04-14
Plasma Doping A Non-planar Semiconductor Device App 20140097487 - YEN; Tzu-Shih ; et al.	2014-04-10
Polishing pad shaping and patterning Grant 6,315,857 - Cheng , et al. November 13, 2	2001-11-13
Apparatus and method for distribution of slurry in a chemical mechanical polishing system Grant 6,280,297 - Tolles , et al. August 28, 2	2001-08-28
Modular wafer polishing apparatus and method Grant 5,957,764 - Anderson , et al. September 28, 1	1999-09-28
Method and apparatus for using a retaining ring to control the edge effect Grant 5,795,215 - Guthrie , et al. August 18, 1	1998-08-18
Semi-permeable gas separation membranes containing non-ionic surfactants possessing improved resistance to thermal compaction and processes for making and using the same Grant 5,163,977 - Jensvold , et al. November 17, 1	1992-11-17
Polycarbonate, polyester, and polyestercarbonate semi-permeable gas separation membranes possessing improved gas selectivity and recovery, and processes for making and using the same Grant 5,141,530 - Jensvold , et al. August 25, 1	1992-08-25

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