Patents by Inventor Jack K. Wakamatsu

Jack K. Wakamatsu 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).

  • Light fixture unit for open plan office
    Patent number: 4300185
    Abstract: A light fixture unit is provided for use at a work station of an open plan office design. The light fixture unit combines in a single framework a downwardly facing light chamber for directing light onto a task work surface and an upwardly facing light chamber for directing light over a wide area for reflection off the ceiling of the office area to provide ambient indirect light.
    Type: Grant
    Filed: December 7, 1979
    Date of Patent: November 10, 1981
    Assignee: C. W. Cole & Company, Inc.
    Inventor: Jack K. Wakamatsu