Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12276615 | Dark-field confocal microscopy measurement apparatus and method based on multi-fractional angular momentum demodulation | Jian Liu, Chenguang Liu, Zijie Hua | 2025-04-15 |
| 12203867 | Dark-field confocal microscopy measurement apparatus and method based on differential fractional vortex beam | Jian Liu, Chenguang Liu, Zijie Hua | 2025-01-21 |
| 8379892 | Array of high frequency loudspeakers | — | 2013-02-19 |
| 7053538 | Sectioned resistor layer for a carbon nanotube electron-emitting device | Chang Chul Ha | 2006-05-30 |