Patents by Inventor Howard S. Tom, JR.

Howard S. Tom, JR. 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).

  • Lighting for additive manufacturing
    Patent number: 12202197
    Abstract: In one example, a non-transitory processor readable medium having instructions thereon that when executed cause an additive manufacturing machine to expose build material to a light source emitting monochromatic light within a band of wavelengths that includes a peak light absorption of a liquid coalescing agent to be dispensed on to the build material.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: January 21, 2025
    Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Krzysztof Nauka, Sivapackia Ganapathiappan, Lihua Zhao, Howard S. Tom, Yan Zhao, Hou T. Ng, James Elmer Abbott, Jr., Alexander Govyadinov, Vladek Kasperchik
  • Lighting for additive manufacturing
    Patent number: 11458679
    Abstract: In one example, a lighting device for an additive manufacturing machine includes an array of light sources each to emit monochromatic light within a band of wavelengths that includes a peak light absorption of a liquid coalescing agent to be dispensed on to a build material.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: October 4, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: James Elmer Abbott, Jr., Alexander Govyadinov, Vladek Kasperchik, Krzysztof Nauka, Sivapackia Ganapathiappan, Lihua Zhao, Howard S. Tom, Jr., Yan Zhao, Hou T. Ng
  • LIGHTING FOR ADDITIVE MANUFACTURING
    Publication number: 20170361505
    Abstract: In one example, a lighting device for an additive manufacturing machine includes an array of light sources each to emit monochromatic light within a band of wavelengths that includes a peak light absorption of a liquid coalescing agent to be dispensed on to a build material.
    Type: Application
    Filed: September 26, 2014
    Publication date: December 21, 2017
    Inventors: James Elmer Abbott, JR., Alexander Govyadinov, Vladek Kasperchik, Krzysztof Nauka, Sivapackia Ganapathiappan, Lihua Zhao, Howard S. Tom, JR., Yan Zhao, Hou T. Ng