Patents by Inventor Hiroyuki Ebara

Hiroyuki Ebara 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).

  • Fluorescent lamp with layer of plural phosphors having different particle sizes
    Patent number: 4447756
    Abstract: A flourescent lamp, having a vacuum tight radiation transmitting envelope comprising mercury and rare gas, provided with electrodes between which the discharge takes place during operation and a luminescent layer which comprises a mixture of phosphors having different densities wherein the greater the density of the phosphor, the smaller its particle size.
    Type: Grant
    Filed: March 23, 1981
    Date of Patent: May 8, 1984
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Kohtaro Kohmoto, Hiroyuki Ebara, Hisami Nira
  • Fluorescent lamp assembly
    Patent number: D283253
    Type: Grant
    Filed: March 15, 1982
    Date of Patent: April 1, 1986
    Assignees: Tokyo Shibaura Denki Kabushiki Kaisha, Moriyama Sangyo Kabushiki Kaisha
    Inventors: Taketo Kamei, Hidenori Ito, Hiroyuki Ebara, Hideo Moriyama, Masayuki Katoogi