ZT

Zoilo Cheng Ho Tan

NS National Semiconductor: 2 patents #867 of 2,238Top 40%
Applied Materials: 1 patents #4,780 of 7,310Top 70%
ES Etec Systems: 1 patents #30 of 61Top 50%
📍 Cupertino, CA: #2,618 of 6,989 inventorsTop 40%
🗺 California: #106,790 of 386,348 inventorsTop 30%
Overall (All Time): #1,036,150 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7135256 Method of increasing the shelf life of a photomask substrate Melvin Montgomery, Jeffrey Albelo 2006-11-14
6200736 Photoresist developer and method 2001-03-13
6107009 Photoresist developer and method 2000-08-22
5091047 Plasma etching using a bilayer mask James M. Cleeves, James G. Heard 1992-02-25
5045150 Plasma etching using a bilayer mask James M. Cleeves, James G. Heard 1991-09-03