Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6680494 | Ultra high speed heterojunction bipolar transistor having a cantilevered base | Augusto Gutierrez-Aitken, Aaron K. Oki, Eric N. Kaneshiro | 2004-01-20 |
| 6528829 | Integrated circuit structure having a charge injection barrier | Augusto Gutierrez-Aitken, Aaron K. Oki, Michael Wojtowicz, Thomas R. Block, Frank M. Yamada | 2003-03-04 |
| 6465289 | Method of fabricating monolithic multifunction integrated circuit devices | Donald K. Umemoto, Aaron K. Oki, Kevin Wesley Kobayashi | 2002-10-15 |
| 6452464 | Backgate heterojunction acoustic charge transport device | Chung-Hsu Chen, Daniel K. Ko, Edward M. Garber, Scott R. Olson | 2002-09-17 |
| 6376867 | Heterojunction bipolar transistor with reduced thermal resistance | Augusto Gutierrez-Aitken, Aaron K. Oki, Patrick Chin | 2002-04-23 |
| 6037646 | High-frequency GaAs substrate based schottky barrier diodes | Aaron K. Oki, Donald K. Umemoto, Liem T. Tran | 2000-03-14 |
| 5930636 | Method of fabricating high-frequency GaAs substrate-based Schottky barrier diodes | Aaron K. Oki, Donald K. Umemoto, Liem T. Tran | 1999-07-27 |
| 5892248 | Double photoresist layer self-aligned heterojuction bipolar transistor | Aaron K. Oki, Donald K. Umemoto, Liem T. Tran | 1999-04-06 |
| 5840612 | Method of fabricating very high gain heterojunction bipolar transistors | Aaron K. Oki, Donald K. Umemoto, Liem T. Tran | 1998-11-24 |
| 5838031 | Low noise-high linearity HEMT-HBT composite | Kevin Wesley Kobayashi, Aaron K. Oki, Donald Katsu Umemto | 1998-11-17 |
| 5736417 | Method of fabricating double photoresist layer self-aligned heterojunction bipolar transistor | Aaron K. Oki, Donald K. Umemoto, Liem T. Tran | 1998-04-07 |
| 5672522 | Method for making selective subcollector heterojunction bipolar transistors | Michael D. Lammert, Aaron K. Oki | 1997-09-30 |
| 5668387 | Relaxed channel high electron mobility transistor | Thomas R. Block | 1997-09-16 |
| 5648666 | Double-epitaxy heterojunction bipolar transistors for high speed performance | Liem T. Tran, Aaron K. Oki | 1997-07-15 |
| 5631477 | Quaternary collector InAlAs-InGaAlAs heterojunction bipolar transistor | Aaron K. Oki, Liem T. Tran | 1997-05-20 |
| 5323138 | Reliable thin film resistors for integrated circuit applications | Aaron K. Oki, Donald K. Umemoto, Frank M. Yamada | 1994-06-21 |
| 5262335 | Method to produce complementary heterojunction bipolar transistors | Aaron K. Oki, Donald K. Umemoto, James Velebir | 1993-11-16 |
| 5262660 | High power pseudomorphic gallium arsenide high electron mobility transistors | Kin L. Tan, Po-Hsin Liu | 1993-11-16 |
| 5239186 | Composite quantum well infrared detector | George W. McIver | 1993-08-24 |
| 5162243 | Method of producing high reliability heterojunction bipolar transistors | Aaron K. Oki | 1992-11-10 |
| 4559091 | Method for producing hyperabrupt doping profiles in semiconductors | Frederick G. Allen, Robert A. Metzger | 1985-12-17 |