Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6979868 | Bypass circuits for reducing plasma damage | Yi-Fan Chen, Chi-King Pu | 2005-12-27 |
| 6537883 | Method for reducing plasma damage to a gate oxide of a metal-oxide semiconductor wafer | Yi-Fan Chen, Chi-King Pu | 2003-03-25 |
| 6384639 | Circuit and method for reducing static power dissipation in a semiconductor device | Yi-Fan Chen | 2002-05-07 |
| 6159816 | Method of fabricating a bipolar transistor | Darrell G. Hill, Timothy S. Henderson, William U. Liu, Hin Fai Chau, Damian Costa +1 more | 2000-12-12 |
| 5783966 | Reducing junction capacitance and increasing current gain in collector-up bipolar transistors | Darrell G. Hill, Ali Khatibzadeh | 1998-07-21 |
| 5700701 | Method for reducing junction capacitance and increasing current gain in collector-up bipolar transistors | Darrell G. Hill, Ali Khatibzadeh | 1997-12-23 |
| 5552617 | Bipolar transistor | Darrell G. Hill, Timothy S. Henderson, William U. Liu, Hin Fai Chau, Damian Costa +1 more | 1996-09-03 |
| 5552667 | Apparatus and method for generating photluminescence emission lines from rare-earth-element-doped CAF2 thin films over a SI-based substrate | Chin-Chen Cho, Tsen-Hwang Lin, Walter M. Duncan | 1996-09-03 |
| 5455440 | Method to reduce emitter-base leakage current in bipolar transistors | Timothy S. Henderson, William U. Liu | 1995-10-03 |
| 5434091 | Method for making collector up bipolar transistors having reducing junction capacitance and increasing current gain | Darrell G. Hill, Ali Khatibzadeh | 1995-07-18 |
| 5330932 | Method for fabricating GaInP/GaAs structures | William U. Liu, Timothy S. Henderson, Darrell G. Hill | 1994-07-19 |
| 5306385 | Method for generating photoluminescence emission lines from transition element doped CAF2 thin films over a Si-based substrate | Chih-Chen Cho, Tsen-Hwang Lin, Walter M. Duncan | 1994-04-26 |
| 5298439 | 1/f noise reduction in heterojunction bipolar transistors | William U. Liu | 1994-03-29 |