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Chih-Cheng Liu

USPTO Granted Patents = 10

Average Co-Inventor Count = 2.1

ph-index = 4

Forward Citations = 194(Granted Patents)

Location History:

Pan-Chiao, TW (2000 - 2002)
Taipei, TW (2002 - 2007)

Company Filing History:

United Microelectronics Corp.

Powerchip Semiconductor Corporation

Years Active: 2000-2007

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10 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7200040 - Method of operating p-channel memory (2007-04-03),

2. 6466474 - Memory module having a two-transistor memory cell (2002-10-15),

3. 6441436 - SOI device and method of fabrication (2002-08-27),

4. 6392924 - Array for forming magnetoresistive random access memory with pseudo spin valve (2002-05-21),

5. 6271088 - Method for fabricating a buried vertical split gate memory device with high coupling ratio (2001-08-07),

6. 6235354 - Method of forming a level silicon oxide layer on two regions of different heights on a semiconductor wafer (2001-05-22),

7. 6221703 - Method of ion implantation for adjusting the threshold voltage of MOS transistors (2001-04-24),

8. 6197677 - Method of depositing a silicon oxide layer on a semiconductor wafer (2001-03-06),

9. 6159833 - Method of forming a contact hole in a semiconductor wafer (2000-12-11),

10. 615983 - Method of forming a contact hole in a semiconductor wafer (2000-12-12),

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