Patents by Inventor Vincent Yue Sern Kho

Vincent Yue Sern Kho 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).

  • Solders
    Patent number: 7472817
    Abstract: A substantially lead-free solder, comprising: from around 96.8% to around 99.3% tin; from around 0.2% to around 3.0% copper; and from around 0.02% to around 0.12% silicon.
    Type: Grant
    Filed: February 12, 2007
    Date of Patent: January 6, 2009
    Assignees: Quantum Chemical Technologies (Singapore) Pte. Ltd, Singapore Asahi Chemical & Solder Industries Pte.
    Inventors: Kai Hwa Chew, Vincent Yue Sern Kho