Patents by Inventor Muneyoshi Numao

Muneyoshi Numao 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).

  • Patent number: 8844438
    Abstract: A screen printing apparatus includes: a main squeegee that includes a pair of end portions in a width direction and prints, by sliding in a direction orthogonal to the width direction on an upper surface of a screen that is supplied with a paste-like material and on which a hole is formed, the paste-like material on an upper surface of a printing object provided on a lower surface side of the screen via the hole; and a pair of auxiliary squeegees each including a first end portion provided more on an outer side than the end portion in the width direction and a second end portion provided more on an inner side than the end portion in the width direction, the pair of auxiliary squeegees being tilted a predetermined angle with respect to the main squeegee on a rear side of the main squeegee in the sliding direction.
    Type: Grant
    Filed: March 22, 2010
    Date of Patent: September 30, 2014
    Assignee: Juki Automation Systems Corporation
    Inventors: Eiichi Nishi, Muneyoshi Numao
  • Patent number: 8590450
    Abstract: A screen printing apparatus that prevents degradation of a printing tact and print quality is provided. There are included a cleaning unit 14 that cleans one surface 11c of a screen mask 11 opposing a workpiece 2, the screen mask 11 having a print pattern for printing a pattern on the workpiece 2, and a conveying means 15 that conveys the cleaning unit 14 over the surface 11c of the screen mask 11. The cleaning unit 14 includes cleaning paper 21 that contacts the surface 11c of the screen mask 11, a scraper 22 that brings the cleaning paper 21 into contact with the surface 11c of the screen mask 11, that slides on the surface 11c of the screen mask 11 with the cleaning paper 21 being disposed therebetween, and that has an uneven face portion 22b, and a scraper moving means 23 that moves the scraper 22 to the contact position.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: November 26, 2013
    Assignee: Sony Corporation
    Inventors: Eiichi Nishi, Muneyoshi Numao
  • Publication number: 20110061549
    Abstract: A screen printing apparatus that prevents degradation of a printing tact and print quality is provided. There are included a cleaning unit 14 that cleans one surface 11c of a screen mask 11 opposing a workpiece 2, the screen mask 11 having a print pattern for printing a pattern on the workpiece 2, and a conveying means 15 that conveys the cleaning unit 14 over the surface 11c of the screen mask 11. The cleaning unit 14 includes cleaning paper 21 that contacts the surface 11c of the screen mask 11, a scraper 22 that brings the cleaning paper 21 into contact with the surface 11c of the screen mask 11, that slides on the surface 11c of the screen mask 11 with the cleaning paper 21 being disposed therebetween, and that has an uneven face portion 22b, and a scraper moving means 23 that moves the scraper 22 to the contact position.
    Type: Application
    Filed: April 24, 2009
    Publication date: March 17, 2011
    Inventors: Eiichi Nishi, Muneyoshi Numao
  • Publication number: 20100242754
    Abstract: A screen printing apparatus includes: a main squeegee that includes a pair of end portions in a width direction and prints, by sliding in a direction orthogonal to the width direction on an upper surface of a screen that is supplied with a paste-like material and on which a hole is formed, the paste-like material on an upper surface of a printing object provided on a lower surface side of the screen via the hole; and a pair of auxiliary squeegees each including a first end portion provided more on an outer side than the end portion in the width direction and a second end portion provided more on an inner side than the end portion in the width direction, the pair of auxiliary squeegees being tilted a predetermined angle with respect to the main squeegee on a rear side of the main squeegee in the sliding direction.
    Type: Application
    Filed: March 22, 2010
    Publication date: September 30, 2010
    Applicant: SONY CORPORATION
    Inventors: Eiichi Nishi, Muneyoshi Numao