Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5767543 | Ferroelectric semiconductor device having a layered ferroelectric structure | Daniel S. Marshall, Jerald A. Hallmark | 1998-06-16 |
| 5719088 | Method of fabricating semiconductor devices with a passivated surface | Jenn Hwa Huang, Mark Durlam, Marino J. Martinez, Ernie Schirmann, Saied N. Tehrani | 1998-02-17 |
| 5606184 | Heterostructure field effect device having refractory ohmic contact directly on channel layer and method for making | Jonathan K. Abrokwah, Jenn Hwa Huang, Carl L. Shurboff, Jerald A. Hallmark | 1997-02-25 |
| 5480829 | Method of making a III-V complementary heterostructure device with compatible non-gold ohmic contacts | Jonathan K. Abrokwah, Jenn Hwa Huang | 1996-01-02 |
| 5457405 | Complementary logic recovered energy circuit | Jerald A. Hallmark | 1995-10-10 |
| 5426382 | Complementary logic recovered energy circuit | Jerald A. Hallmark | 1995-06-20 |
| 5243206 | Logic circuit using vertically stacked heterojunction field effect transistors | X. Theodore Zhu, Jonathan K. Abrokwah, Herbert Goronkin, Carl L. Shurboff | 1993-09-07 |
| 5142349 | Self-doped high performance complementary heterojunction field effect transistor | X. Theodore Zhu, Jonathan K. Abrokwah, Herbert Goronkin, Carl L. Shurboff | 1992-08-25 |
| 5049760 | High speed complementary flipflop | — | 1991-09-17 |
| 5039881 | High speed, low power input buffer | Jerald A. Hallmark | 1991-08-13 |
| 5020017 | Method and apparatus for obtaining the quotient of two numbers within one clock cycle | Clifford D. Leitch, Rene M. Delgado | 1991-05-28 |
| 4959624 | Coil-less overtone crystal oscillator | Robert J. Higgins, Jr., James S. Irwin | 1990-09-25 |
| 4585957 | Diode load emitter coupled logic circuits | — | 1986-04-29 |
| 4325031 | Divider with dual modulus prescaler for phase locked loop frequency synthesizer | Richard E. Barnett | 1982-04-13 |
| 4316151 | Phase locked loop frequency synthesizer using multiple dual modulus prescalers | — | 1982-02-16 |