Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12356755 | Photovoltaic devices and semiconductor layers with group v dopants and methods for forming the same | Hongbo Cao, Sachit Grover, William Hullinger Huber, Xiaoping Li, Dingyuan Lu +4 more | 2025-07-08 |
| 12261231 | Thin film stacks for group V doping, photovoltaic devices including the same, and methods for forming photovoltaic devices with thin film stacks | Sachit Grover, Chungho Lee, Xiaoping Li, Dingyuan Lu, Gang Xiong | 2025-03-25 |
| 11791427 | Doped photovoltaic semiconductor layers and methods of making | Sachit Grover, Stuart Irvine, Xiaoping Li, Shahram Seyedmohammadi, Gang Xiong +1 more | 2023-10-17 |
| 11502212 | Photovoltaic devices and semiconductor layers with group V dopants and methods for forming the same | Hongbo Cao, Sachit Grover, William Hullinger Huber, Xiaoping Li, Dingyuan Lu +4 more | 2022-11-15 |
| 11367805 | Solar cells and methods of making the same | Andrei Los | 2022-06-21 |
| 11342471 | Thin film stacks for group V doping, photovoltaic devices including the same, and methods for forming photovoltaic devices with thin film stacks | Sachit Grover, Chungho Lee, Xiaoping Li, Dingyuan Lu, Gang Xiong | 2022-05-24 |
| 11201257 | Methods for group V doping of photovoltaic devices | Sachit Grover, Dingyuan Lu, Gang Xiong | 2021-12-14 |
| 11158749 | Doped photovoltaic semiconductor layers and methods of making | Sachit Grover, Stuart Irvine, Xiaoping Li, Shahram Seyedmohammadi, Gang Xiong +1 more | 2021-10-26 |
| 6894362 | Method and apparatus for a self-aligned heterojunction bipolar transistor using dielectric assisted metal liftoff process | — | 2005-05-17 |
| 6541346 | Method and apparatus for a self-aligned heterojunction bipolar transistor using dielectric assisted metal liftoff process | — | 2003-04-01 |
| 5329151 | Semiconductor diode | Yoginder Anand | 1994-07-12 |
| 5106766 | Method of making a semiconductor device that comprises p-type III-V semiconductor material | Leda M. Lunardi, Robert William Ryan | 1992-04-21 |
| 5023685 | Quantum-well radiation-interactive device, and methods of radiation detection and modulation | Clyde George Bethea, Ghulam Hasnain, Barry Levine | 1991-06-11 |
| 5001534 | Heterojunction bipolar transistor | Leda M. Lunardi, Robert William Ryan | 1991-03-19 |
| 4945393 | Floating gate memory circuit and apparatus | Fabio Beltram, Federico Capasso, Nitin J. Shah | 1990-07-31 |
| 4939102 | Method of growing III-V semiconductor layers with high effective hole concentration | Robert Alan Hamm, Morton B. Panish, John Walker | 1990-07-03 |
| 4905063 | Floating gate memories | Fabio Beltram, Federico Capasso, Nitin J. Shah | 1990-02-27 |
| 4894526 | Infrared-radiation detector device | Clyde George Bethea, Kwong-Kit Choi, Barry Levine, John Walker | 1990-01-16 |
| 4825265 | Transistor | Leda M. Lunardi | 1989-04-25 |
| 4794440 | Heterojunction bipolar transistor | Federico Capasso, Arthur C. Gossard, John Hayes, Pierre M. Petroff | 1988-12-27 |
| 4667211 | Millimeter wave-infrared bloch oscillator/detector | Gerald J. Iafrate, Thomas R. Au Coin | 1987-05-19 |
| 4654609 | Monolithic planar doped barrier limiter | Samuel Dixon, Jr., Thomas R. AuCoin | 1987-03-31 |
| 4563773 | Monolithic planar doped barrier subharmonic mixer | Samuel Dixon, Jr. | 1986-01-07 |
| 4539581 | Planar doped barrier transferred electron oscillator | Gerald J. Iafrate | 1985-09-03 |
| 4442445 | Planar doped barrier gate field effect transistor | Thomas R. AuCoin | 1984-04-10 |