Issued Patents All Time
Showing 25 most recent of 87 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12343668 | Air disinfection chamber | James Davis | 2025-07-01 |
| 12264410 | Aluminum nitride crystals having low urbach energy and high transparency to deep-ultraviolet wavelengths | Robert T. Bondokov, James R. Grandusky, Jianfeng Chen, Shichao Wang, Toru Kimura +2 more | 2025-04-01 |
| 12227873 | Aluminum nitride single crystals having large crystal augmentation parameters | Robert T. Bondokov, Thomas Miebach, Jianfeng Chen, Takashi Suzuki | 2025-02-18 |
| 12195362 | Periodic UVC dosing | Christopher Scully, Amy Wilson Miller, Richard M. Mariita | 2025-01-14 |
| 11990562 | Ultraviolet light-emitting devices having enhanced light output | — | 2024-05-21 |
| 11939700 | Impurity control during formation of aluminum nitride crystals and thermal treatment of aluminum nitride crystals | Robert T. Bondokov, James R. Grandusky, Jianfeng Chen, Shichao Wang, Toru Kimura +2 more | 2024-03-26 |
| 11913136 | Thermal control for formation and processing of aluminum nitride | Robert T. Bondokov, Jianfeng Chen, Keisuke Yamaoka, Shichao Wang, Shailaja P. Rao +1 more | 2024-02-27 |
| 11840773 | Aluminum nitride single crystals having controllable color and methods of forming them | Robert T. Bondokov, James R. Grandusky, Jianfeng Chen, Sean P. Branagan, Shichao Wang +3 more | 2023-12-12 |
| 11828002 | Large, UV-transparent aluminum nitride single crystals | Robert T. Bondokov, Jianfeng Chen, Keisuke Yamaoka, Shichao Wang, Shailaja P. Rao +1 more | 2023-11-28 |
| 11578425 | Thermal control for formation and processing of aluminum nitride | Robert T. Bondokov, Jianfeng Chen, Keisuke Yamaoka, Shichao Wang, Shailaja P. Rao +1 more | 2023-02-14 |
| 11555256 | Aluminum nitride crystals having low urbach energy and high transparency to deep-ultraviolet wavelengths | Robert T. Bondokov, James R. Grandusky, Jianfeng Chen, Shichao Wang, Toru Kimura +2 more | 2023-01-17 |
| 11530141 | Systems and methods for fluid disinfection with ultraviolet light | Amy Miller | 2022-12-20 |
| 11515455 | Photon extraction from ultraviolet light-emitting devices | Ken Kitamura, Masato Toita, Hironori Ishii, Yuting Wang, Jianfeng Chen +1 more | 2022-11-29 |
| 11440818 | Fluid treatment reactor | Rajul V. Randive, Steven Berger | 2022-09-13 |
| 11384449 | Two-stage seeded growth of large aluminum nitride single crystals | Robert T. Bondokov, James R. Grandusky | 2022-07-12 |
| 11355664 | Aluminum nitride substrate removal for ultraviolet light-emitting devices | James R. Grandusky, Craig Moe | 2022-06-07 |
| 11279632 | Fluid treatment reactor | Rajul V. Randive, Steven Berger | 2022-03-22 |
| 11251330 | Pseudomorphic electronic and optoelectronic devices having planar contacts | James R. Grandusky, Muhammad Jamil, Mark C. Mendrick, Shawn R. Gibb | 2022-02-15 |
| 11225731 | Large aluminum nitride crystals with reduced defects and methods of making them | Robert T. Bondokov, Kenneth E. Morgan, Glen A. Slack | 2022-01-18 |
| 11183567 | Doped aluminum nitride crystals and methods of making them | Glen A. Slack | 2021-11-23 |
| 11168411 | Impurity control during formation of aluminum nitride crystals and thermal treatment of aluminum nitride crystals | Robert T. Bondokov, James R. Grandusky, Jianfeng Chen, Shichao Wang, Toru Kimura +2 more | 2021-11-09 |
| 11124892 | Defect reduction in seeded aluminum nitride crystal growth | Robert T. Bondokov, Kenneth E. Morgan, Glen A. Slack | 2021-09-21 |
| 11015263 | Defect reduction in seeded aluminum nitride crystal growth | Robert T. Bondokov, Kenneth E. Morgan, Glen A. Slack, Shailaja P. Rao, Shawn R. Gibb | 2021-05-25 |
| 10971665 | Photon extraction from nitride ultraviolet light-emitting devices | Jianfeng Chen, James R. Grandusky | 2021-04-06 |
| 10954608 | UV-transparent aluminum nitride single crystal having a diameter of 35 mm to 150 mm and a predefined UV transparency metric at a wavelength of 265 nm | Robert T. Bondokov, Jianfeng Chen, Keisuke Yamaoka, Shichao Wang, Shailaja P. Rao +1 more | 2021-03-23 |