Issued Patents All Time
Showing 1–25 of 113 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12350951 | Optical anti-counterfeiting element and anti-counterfeiting product | Baoli Zhang, Kai Sun, Weiwei Zhang | 2025-07-08 |
| 12304231 | Optical anti-counterfeiting element and manufacturing method therefor | Chunhua Hu, Weiwei Zhang, Kai Sun | 2025-05-20 |
| 12257857 | Optical anti-counterfeiting element and manufacturing method thereof | Weiwei Zhang, Kai Sun | 2025-03-25 |
| 12233658 | Multi-plating-layer optical anti-counterfeiting element and manufacturing method thereof | Chunhua Hu, Weiwei Zhang, Baoli Zhang | 2025-02-25 |
| 12189118 | Method for designing nonsymmetric freeform surface optical system | Yi-Lin Tan, Guo-Fan Jin, Shou-Shan Fan | 2025-01-07 |
| 11981157 | Optical anti-counterfeiting element and optical anti-counterfeiting product using the same | Kai Sun, Baoli Zhang, Xiaoli Wang | 2024-05-14 |
| 11796796 | Off-axis two-mirror infrared imaging system | Wei Wu, Guo-Fan Jin, Shou-Shan Fan | 2023-10-24 |
| 11675187 | Method for designing imaging optical system | Ben-qi Zhang, Guo-Fan Jin, Shou-Shan Fan | 2023-06-13 |
| 11650402 | Freeform surface off-axial three-mirror imaging system | Rui Tang, Wei Wu, Guo-Fan Jin, Shou-Shan Fan | 2023-05-16 |
| 11635611 | Freeform surface optical telescope imaging system | Rui Tang, Wei Wu, Guo-Fan Jin, Shou-Shan Fan | 2023-04-25 |
| 11614617 | Method for designing freeform concave grating imaging spectrometer | Ben-qi Zhang, Yi-Lin Tan, Guo-Fan Jin, Shou-Shan Fan | 2023-03-28 |
| 11555988 | Nonsymmetric freeform surface optical system | Yi-Lin Tan, Guo-Fan Jin, Shou-Shan Fan | 2023-01-17 |
| 11448865 | Imaging optical system | Ben-qi Zhang, Guo-Fan Jin, Shou-Shan Fan | 2022-09-20 |
| 11435261 | Method for analyzing tolerance distributions in a freeform surface mirror of an optical system | Xiao-Fei Wu, Yu-Ting Deng, Guo-Fan Jin, Shou-Shan Fan | 2022-09-06 |
| 11409101 | Method for designing freeform surface off-axial three-mirror imaging system | Rui Tang, Guo-Fan Jin, Shou-Shan Fan | 2022-08-09 |
| 11386246 | Method for designing hybrid surface optical system | Tong-Tong Gong, Guo-Fan Jin, Shou-Shan Fan | 2022-07-12 |
| 11371889 | Freeform surface reflective infrared imaging system | Wei Wu, Guo-Fan Jin, Shou-Shan Fan | 2022-06-28 |
| 11340113 | Freeform concave grating imaging spectrometer | Ben-qi Zhang, Yi-Lin Tan, Guo-Fan Jin, Shou-Shan Fan | 2022-05-24 |
| 11294148 | Method for designing freeform surface imaging systems | Ben-qi Zhang, Guo-Fan Jin | 2022-04-05 |
| 11256075 | Freeform surface off-axial three-mirror imaging system | Rui Tang, Guo-Fan Jin, Shou-Shan Fan | 2022-02-22 |
| 11249292 | Freeform surface off-axial three-mirror imaging system | Rui Tang, Guo-Fan Jin, Shou-Shan Fan | 2022-02-15 |
| 11221471 | Freeform surface off-axis three-mirror optical system | Ben-qi Zhang, Guo-Fan Jin, Shou-Shan Fan | 2022-01-11 |
| 11099367 | Freeform surface off-axial three-mirror imaging system | Rui Tang, Guo-Fan Jin, Shou-Shan Fan | 2021-08-24 |
| 11043521 | Freeform surface off-axial three-mirror imaging system | Rui Tang, Ben-qi Zhang, Guo-Fan Jin, Shou-Shan Fan | 2021-06-22 |
| 11025841 | Method for designing a freeform surface reflective imaging system | Wei Wu, Guo-Fan Jin, Shou-Shan Fan | 2021-06-01 |