Patents by Inventor Masatsugu Sato

Masatsugu Sato 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).

  • SPUTTERING DEVICE FOR MULTILAYER OPTICAL RECORDING MEDIUM AND METHOD FOR MANUFACTURING MULTILAYER OPTICAL RECORDING MEDIUM
    Publication number: 20240170016
    Abstract: Provided is a sputtering device for a multilayer optical recording medium capable of suppressing the occurrence of defects in a recording region. A sputtering device for a multilayer optical recording medium includes an outer mask, wherein the outer mask is configured to be capable of covering an outer periphery of a film-forming surface of an intermediate layer without coming into contact with the film-forming surface.
    Type: Application
    Filed: March 4, 2022
    Publication date: May 23, 2024
    Inventors: MASATSUGU SUWABE, TAKAHIRO IGARI, YOSHIO SHIRAI, TAKEHIRO SATO
  • LINEAR RECIPROCATING MOTION DEVICE USING ELECTRIC MOTOR-DRIVEN DRILL
    Publication number: 20160271781
    Abstract: A linear reciprocating motion device using an electric motor-driven drill is provided, the device converting the rotation of the electric motor-driven drill to a linear reciprocating motion with a simple structure.
    Type: Application
    Filed: December 5, 2013
    Publication date: September 22, 2016
    Inventors: Mitsuharu Kobayashi, Makoto Ikarashi, Masatsugu Sato