Patents by Inventor Nobuyuki Ohshima

Nobuyuki Ohshima 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).

  • SURFACE PROPERTY MEASURING APPARATUS FOR POLISHING PAD, SURFACE PROPERTY MEASURING METHOD FOR POLISHING PAD, AND SURFACE PROPERTY JUDGING METHOD FOR POLISHING PAD
    Publication number: 20240075579
    Abstract: The present invention relates to a surface property measuring apparatus for a polishing pad used for polishing a substrate, such as a semiconductor wafer, a surface property measuring method for a polishing pad, and a surface property judging mehod for a polishing pad. The surface property measuring apparatus (30) includes: a light-emitting structure (32) configured to irradiate the polishing pad (2) with light from a plurality of directions as viewed from a polishing surface (2a) of the polishing pad (2); and a light-receiving structure (32) configured to receive reflected light traveling in a plurality of directions from the surface of the polishing pad (2).
    Type: Application
    Filed: January 5, 2022
    Publication date: March 7, 2024
    Inventors: Kohei OHSHIMA, Hisanori MATSUO, Toshifumi KIMBA, Nobuyuki TAKADA
  • Method for producing Tonyu
    Patent number: 5853789
    Abstract: Tonyu containing alcohol and the method for producing the Tonyu. Alcohol is added to beans soaked in water, Go or the liquid obtained after filtrating Go. Further, Tonyu containing alcohol is distilled under reduced pressure to obtain Tonyu with high solid content.
    Type: Grant
    Filed: March 18, 1997
    Date of Patent: December 29, 1998
    Assignee: Co. Lim Marushou
    Inventors: Masami Hoshino, Miyoko Yamasaki, Nobuyuki Ohshima