2. Single-frequency tunable laser, patent type: invention, patent number: 338649, 2007-8.
3. Full-cavity fully-cured single-frequency frequency doubling laser, patent type: invention, patent number: 103050, February 2003.
4. Fully solidified single frequency doubling laser, patent type: invention, patent number: 88700, July 2002.
5. Full-cavity fully-cured single-frequency frequency doubling laser, patent type: utility model, patent number: 440106,2001-6.
6. Fully-cured single frequency doubling laser, patent type: utility model, patent number: 3605 19, 1999- 12.