Issued Patents All Time
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12344957 | Tungsten-infused aluminum nitride crystals and methods of forming them | Sean P. Branagan, Naoki Ishigami, Thomas Miebach, Jianfeng Chen | 2025-07-01 |
| 12264410 | Aluminum nitride crystals having low urbach energy and high transparency to deep-ultraviolet wavelengths | James R. Grandusky, Jianfeng Chen, Shichao Wang, Toru Kimura, Thomas Miebach +2 more | 2025-04-01 |
| 12227873 | Aluminum nitride single crystals having large crystal augmentation parameters | Thomas Miebach, Jianfeng Chen, Takashi Suzuki, Leo J. Schowalter | 2025-02-18 |
| 12163250 | Control of basal plane dislocations in large aluminum nitride crystals | Sean P. Branagan, James R. Grandusky, Kasey Hogan, Justin Mark, Jianfeng Chen | 2024-12-10 |
| 11939700 | Impurity control during formation of aluminum nitride crystals and thermal treatment of aluminum nitride crystals | James R. Grandusky, Jianfeng Chen, Shichao Wang, Toru Kimura, Thomas Miebach +2 more | 2024-03-26 |
| 11913136 | Thermal control for formation and processing of aluminum nitride | Jianfeng Chen, Keisuke Yamaoka, Shichao Wang, Shailaja P. Rao, Takashi Suzuki +1 more | 2024-02-27 |
| 11840773 | Aluminum nitride single crystals having controllable color and methods of forming them | James R. Grandusky, Jianfeng Chen, Sean P. Branagan, Shichao Wang, Toru Kimura +3 more | 2023-12-12 |
| 11828002 | Large, UV-transparent aluminum nitride single crystals | Jianfeng Chen, Keisuke Yamaoka, Shichao Wang, Shailaja P. Rao, Takashi Suzuki +1 more | 2023-11-28 |
| 11578425 | Thermal control for formation and processing of aluminum nitride | Jianfeng Chen, Keisuke Yamaoka, Shichao Wang, Shailaja P. Rao, Takashi Suzuki +1 more | 2023-02-14 |
| 11555256 | Aluminum nitride crystals having low urbach energy and high transparency to deep-ultraviolet wavelengths | James R. Grandusky, Jianfeng Chen, Shichao Wang, Toru Kimura, Thomas Miebach +2 more | 2023-01-17 |
| 11384449 | Two-stage seeded growth of large aluminum nitride single crystals | Leo J. Schowalter, James R. Grandusky | 2022-07-12 |
| 11225731 | Large aluminum nitride crystals with reduced defects and methods of making them | Kenneth E. Morgan, Glen A. Slack, Leo J. Schowalter | 2022-01-18 |
| 11168411 | Impurity control during formation of aluminum nitride crystals and thermal treatment of aluminum nitride crystals | James R. Grandusky, Jianfeng Chen, Shichao Wang, Toru Kimura, Thomas Miebach +2 more | 2021-11-09 |
| 11124892 | Defect reduction in seeded aluminum nitride crystal growth | Kenneth E. Morgan, Leo J. Schowalter, Glen A. Slack | 2021-09-21 |
| 11015263 | Defect reduction in seeded aluminum nitride crystal growth | Leo J. Schowalter, Kenneth E. Morgan, Glen A. Slack, Shailaja P. Rao, Shawn R. Gibb | 2021-05-25 |
| 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 | Jianfeng Chen, Keisuke Yamaoka, Shichao Wang, Shailaja P. Rao, Takashi Suzuki +1 more | 2021-03-23 |
| 10851474 | Thermal control for formation and processing of aluminum nitride | Jianfeng Chen, Keisuke Yamaoka, Shichao Wang, Shailaja P. Rao, Takashi Suzuki +1 more | 2020-12-01 |
| 10801127 | Aluminum nitride bulk crystals having high transparency to ultraviolet light and methods of forming them | Sandra B. Schujman, Shailaja P. Rao, Kenneth E. Morgan, Glen A. Slack, Leo J. Schowalter | 2020-10-13 |
| 10697085 | Defect reduction in seeded aluminum nitride crystal growth | Kenneth E. Morgan, Leo J. Schowalter, Glen A. Slack | 2020-06-30 |
| 10612156 | Two-stage seeded growth of large aluminum nitride single crystals | Leo J. Schowalter, James R. Grandusky | 2020-04-07 |
| 10550493 | Thermal control for formation and processing of aluminum nitride | Jianfeng Chen, Keisuke Yamaoka, Shichao Wang, Shailaja P. Rao, Takashi Suzuki +1 more | 2020-02-04 |
| 10407798 | Two-stage seeded growth of large aluminum nitride single crystals | Leo J. Schowalter, James R. Grandusky | 2019-09-10 |
| 10392722 | Defect reduction in seeded aluminum nitride crystal growth | Leo J. Schowalter, Kenneth E. Morgan, Glen A. Slack, Shailaja P. Rao, Shawn R. Gibb | 2019-08-27 |
| 10316428 | Aluminum nitride bulk crystals having high transparency to ultraviolet light and methods of forming them | Sandra B. Schujman, Shailaja P. Rao, Kenneth E. Morgan, Glen A. Slack, Leo J. Schowalter | 2019-06-11 |
| 10125432 | Defect reduction in seeded aluminum nitride crystal growth | Kenneth E. Morgan, Leo J. Schowalter, Glen A. Slack | 2018-11-13 |