Patents by Inventor Masaharu IMAIZUMI

Masaharu IMAIZUMI 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).

  • Gas supply manifold and production method of gas supply manifold
    Patent number: 10288313
    Abstract: A gas supply manifold has a nozzle forming member having a plurality of gas injection nozzles, a cover member configured to be overlapped on the nozzle forming member, and a caulking-fastening portion configured to fasten the nozzle forming member and the cover member. The caulking-fastening portion is configured such that a convex portion provided for one of the nozzle forming member and the cover member penetrates a hole provided for the other member, and a tip end portion of the convex portion has an engagement portion, the engagement portion having a larger diameter or a larger width than the hole and being engaged with a peripheral edge portion of the hole. A tip end face of the convex portion has a dent portion formed by pressing the tip end face into a base portion side of the convex portion and an area around the dent portion constitutes the engagement portion. Thus, the nozzle forming member and the cover member are appropriately caulked and fastened.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: May 14, 2019
    Assignee: NORITZ CORPORATION
    Inventors: Naoki Se, Michihisa Nakahara, Hideyuki Fujisawa, Kenichi Sakurai, Yuta Tsuji, Keizo Kawano, Taihei Terasawa, Masahiro Kawamoto, Masaharu Imaizumi
  • GAS SUPPLY MANIFOLD AND PRODUCTION METHOD OF GAS SUPPLY MANIFOLD
    Publication number: 20170184324
    Abstract: A gas supply manifold has a nozzle forming member having a plurality of gas injection nozzles, a cover member configured to be overlapped on the nozzle forming member, and a caulking-fastening portion configured to fasten the nozzle forming member and the cover member. The caulking-fastening portion is configured such that a convex portion provided for one of the nozzle forming member and the cover member penetrates a hole provided for the other member, and a tip end portion of the convex portion has an engagement portion, the engagement portion having a larger diameter or a larger width than the hole and being engaged with a peripheral edge portion of the hole. A tip end face of the convex portion has a dent portion formed by pressing the tip end face into a base portion side of the convex portion and an area around the dent portion constitutes the engagement portion. Thus, the nozzle forming member and the cover member are appropriately caulked and fastened.
    Type: Application
    Filed: December 15, 2016
    Publication date: June 29, 2017
    Applicant: NORITZ CORPORATION
    Inventors: Naoki SE, Michihisa NAKAHARA, Hideyuki FUJISAWA, Kenichi SAKURAI, Yuta TSUJI, Keizo KAWANO, Taihei TERASAWA, Masahiro KAWAMOTO, Masaharu IMAIZUMI