Patents by Inventor Chun-Hsiang LI

Chun-Hsiang LI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11183951
    Abstract: A flexure stage with modularized flexure units for convenient manufacturing, assembly and repair is provided. The flexure stage comprises a base, a platform separated from the base, and a plurality of flexure units disposed between the base and the platform. Each flexure unit comprises a first section, a second section, and a third section. The first section is located on the base. The second section is connected with the platform and separated from the first section. The third section is coupled with the first section and the second section through the first bending part and the second bending part respectively wherein the first bending part and the second bending part comprises flexibility in different axial directions.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: November 23, 2021
    Assignee: HIWIN MTKROSYSTEM CORP.
    Inventors: Chun-Hsiang Li, Chih-Kai Fan, Yu-Jung Chang
  • Publication number: 20200246924
    Abstract: A flexure stage with modularized flexure units for convenient manufacturing, assembly and repair is provided. The flexure stage comprises a base, a first carrier, a plurality of first flexure units, a gantry unit, a second carrier, and a plurality of second flexure units. The first carrier is separated from the base and reciprocated along a first axis. The first flexure units are disposed between the base and the first carrier wherein each of the first flexure units comprises flexibility in the first axis. The gantry unit is located on the base and separated from the first carrier. The second carrier is set on the gantry unit and reciprocated along a second axis. The second flexure units are disposed between the first carrier and the second carrier wherein each of the second flexure units comprises flexibility in the second axis.
    Type: Application
    Filed: February 5, 2019
    Publication date: August 6, 2020
    Inventors: Chun-Hsiang LI, Chih-Kai FAN, Yu-Jung CHANG
  • Publication number: 20200252008
    Abstract: A flexure stage with modularized flexure units for convenient manufacturing, assembly and repair is provided. The flexure stage comprises a base, a platform separated from the base, and a plurality of flexure units disposed between the base and the platform. Each flexure unit comprises a first section, a second section, and a third section. The first section is located on the base. The second section is connected with the platform and separated from the first section. The third section is coupled with the first section and the second section through the first bending part and the second bending part 35 respectively wherein the first bending part and the second bending part comprises flexibility in different axial directions.
    Type: Application
    Filed: February 5, 2019
    Publication date: August 6, 2020
    Inventors: Chun-Hsiang LI, Chih-Kai FAN, Yu-Jung CHANG