On June 1 2005, the State Patent Office announced the invention patent of Suoheng Chinese shorthand machine (name of invention: a method of interface between special Chinese character input keyboard and computer system), and the patentee was Liu Yongsen.
On July 7, 2006, the State Trademark Office announced that the trademark "Suoheng" was authorized by Liu Yongsen (registration number: ZC 4056 134).
On April 2, 2007, the State Trademark Office announced the trademark authorization of "Wenshan Huihai" registered by Liu Yongsen (registration number: ZC 4056 135).
On June 23, 2008, 65438, the State Patent Office announced the invention patent authorization of Suoheng Chinese shorthand machine (invention name: multi-key simultaneous Chinese character input keyboard and its input method). The patent number is ZL 02131414.4, and the patentee is Liu Yongsen.
On may 2, 2010/day, the state trademark office announced that the trademark "haoyiduo" was authorized by Liu Yongsen (registration number: ZC 6666559). August 8 1990 won the Excellence Award in Shorthand Competition of the 2nd China Shorthand Festival Celebration Conference;
1August 8th, 994, the 6th China shorthand festival celebration conference won the second place in shorthand competition.
1996 was rated as a model teacher;
In July 2003, 16 was awarded the honorary certificate by the Beijing Municipal Government;
20 10 10 won the "China Shorthand First Summit Forum" Excellence Award;
201010/kloc-0 won the third prize of the 18th National Secretarial Festival Forum on October 30th.