Patents by Inventor Hiroyuki Machii

Hiroyuki Machii 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).

  • Ink jet recording head
    Patent number: 6598962
    Abstract: In a vibrator unit, a plurality of piezoelectric vibrators are arranged on a base member in a cantilevered manner. A case is formed with a housing space having a bonding area at which a first inner portion of the housing space and a first face of the base member are opposed with a gap. At least one adhesive inlet, from which an adhesive is poured, communicates with the bonding area. At least one air outlet, from which air remaining in the bonding area is expelled as the poured adhesive fills the gap is provided.
    Type: Grant
    Filed: October 2, 2001
    Date of Patent: July 29, 2003
    Assignee: Seiko Epson Corporation
    Inventors: Noriaki Okazawa, Takayuki Iijima, Hiroyuki Machii, Akihiko Kurashina
  • Ink jet recording head
    Publication number: 20020043213
    Abstract: In a vibrator unit, a plurality of piezoelectric vibrators are arranged on a base member in a cantilevered manner. A case is formed with a housing space having a bonding area at which a first inner portion of the housing space and a first face of the base member are opposed with a gap. At least one adhesive inlet, from which an adhesive is poured, communicates with the bonding area. At least one air outlet, from which air remaining in the bonding area is expelled as the poured adhesive fills the gap is provided.
    Type: Application
    Filed: October 2, 2001
    Publication date: April 18, 2002
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Noriaki Okazawa, Takayuki Iijima, Hiroyuki Machii, Akihiko Kurashina