Patents by Inventor Lee Yong Hoon

Lee Yong Hoon 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).

  • Method for manufacturing a thermoelectric semiconductor material or element and method for manufacturing a thermoelectric module
    Patent number: 6319744
    Abstract: To provide a method for manufacturing a thermoelectric semiconductor material or a thermoelectric semiconductor element and method for manufacturing a thermoelectric module effective in improving thermoelectric performance. The thermoelectric semiconductor material is manufactured by producing a laminated body of thin powders manufactured by a quenching roller method, and compressing simultaneously the side surfaces of the laminated body using a secondary punch.
    Type: Grant
    Filed: June 1, 2000
    Date of Patent: November 20, 2001
    Assignee: Komatsu Ltd.
    Inventors: Lee Yong Hoon, Takeji Kajiura