On October 1st, 23, the State Patent Office announced the patent authorization of utility model of Suoheng Chinese shorthand machine (name of utility model: multi-key Chinese character input keyboard). The patent number is ZL 2257286.4 and the patentee is Liu Yongsen.

On June 1st, 25, the State Patent Office published the invention patent of Suoheng Chinese shorthand machine (name of invention: a method for interfacing a special Chinese character input keyboard with a computer system), and the patentee was Liu Yongsen.

on July 7th, 26, the State Trademark Office announced the trademark authorization of "Suoheng" (registration number: ZC 456134), and the registered owner was Liu Yongsen.

on April 21st, 27, the State Trademark Office announced the trademark authorization (registration number: ZC 456135) of "Wenshan Huihai", registered by Liu Yongsen.

On January 23, 28, 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 2131414.4 and the patentee is Liu Yongsen.

on may 21, 21, the state trademark office announced that the trademark "haoyiduo" was authorized (registration number: ZC 6666559) by Liu yongsen. On August 8, 199, he won the Excellence Award in the Shorthand Competition of the Second China Shorthand Festival Celebration Conference.

On August 8th, 1994, he won the second place in the shorthand competition of the 6th China Shorthand Festival Celebration Conference.

in p>1996, she was rated as a model teacher;

On July 16th, 23, he was awarded the Certificate of Honor by Beijing Municipal Government;

On October 9th, 21, he won the "China Shorthand First Summit Forum" Excellence Award;

On October 3th, 21, he won the third prize of the 18th National Secretarial Festival Forum.