Patents by Inventor Takeshi Nishigata

Takeshi Nishigata 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).

  • Discharge tube
    Patent number: 8796925
    Abstract: A discharge tube 10 includes first electrode 12, second electrode 14 and third electrode 16 which are arranged in parallel, airtight outer enclosure 22 including first tubular body 18 sandwiched between first electrode 12 and second electrode 14, and second tubular body 20 sandwiched between second electrode 14 and third electrode 16. Through-holes 24 is formed in second electrode 14 and allows internal spaces of first tubular body 18 and second tubular body 20 to communicate with each other. On first electrode 12 and third electrode 16, discharge electrode portions 26 are formed which protrude toward a center of airtight outer enclosure 22 and are disposed opposite to each other with discharge gap 28 provided in between, and discharge gas is filled in airtight outer enclosure 22. The discharge electrode portions 26 are inserted and arranged in through-hole 24 of second electrode 14.
    Type: Grant
    Filed: May 10, 2011
    Date of Patent: August 5, 2014
    Assignee: Okaya Electric Industries, Co., Ltd.
    Inventors: Koichi Imai, Yoshikazu Hanamura, Takeshi Nishigata
  • DISCHARGE TUBE
    Publication number: 20130063025
    Abstract: A discharge tube 10 includes first electrode 12, second electrode 14 and third electrode 16 which are arranged in parallel, airtight outer enclosure 22 including first tubular body 18 sandwiched between first electrode 12 and second electrode 14, and second tubular body 20 sandwiched between second electrode 14 and third electrode 16. Through-holes 24 is formed in second electrode 14 and allows internal spaces of first tubular body 18 and second tubular body 20 to communicate with each other. On first electrode 12 and third electrode 16, discharge electrode portions 26 are formed which protrude toward a center of airtight outer enclosure 22 and are disposed opposite to each other with discharge gap 28 provided in between, and discharge gas is filled in airtight outer enclosure 22. The discharge electrode portions 26 are inserted and arranged in through-hole 24 of second electrode 14.
    Type: Application
    Filed: May 10, 2011
    Publication date: March 14, 2013
    Applicant: OKAYA ELECTRIC INDUSTRIES CO., LTD.
    Inventors: Koichi Imai, Yoshikazu Hanamura, Takeshi Nishigata