Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6949776 | Heterojunction bipolar transistor with dielectric assisted planarized contacts and method for fabricating | Richard L. Pierson, Jr., James Chingwei Li, John A. Higgins | 2005-09-27 |
| 6870184 | Mechanically-stable BJT with reduced base-collector capacitance | James Chingwei Li, Richard L. Pierson, Jr., John A. Higgins | 2005-03-22 |
| 6858887 | BJT device configuration and fabrication method with reduced emitter width | James Chingwei Li, Richard L. Pierson, Jr., John A. Higgins | 2005-02-22 |
| 6815237 | Testing apparatus and method for determining an etch bias associated with a semiconductor-processing step | James Chingwei Li, Richard L. Pierson, Jr. | 2004-11-09 |
| 6800531 | Method of fabricating a bipolar transistor | Richard L. Pierson, Jr., James Chingwei Li, John A. Higgins | 2004-10-05 |
| 6797995 | Heterojunction bipolar transistor with InGaAs contact and etch stop layer for InP sub-collector | Richard L. Pierson, Jr., James Chingwei Li, John A. Higgins | 2004-09-28 |
| 6706574 | Field effect transistor and method for making the same | — | 2004-03-16 |
| 6605825 | Bipolar transistor characterization apparatus with lateral test probe pads | James Chingwei Li, John A. Higgins | 2003-08-12 |
| 6414340 | Field effect transistor and method for making the same | — | 2002-07-02 |
| 6255150 | Use of crystalline SiOx barriers for Si-based resonant tunneling diodes | Glen Wilk | 2001-07-03 |