Patents by Inventor Keiji MUNEKANE

Keiji MUNEKANE 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).

  • Ball bearing and method for manufacturing same
    Patent number: 11773904
    Abstract: A ball bearing has an outer circumferential surface of an inner ring subjected to a surface treatment by laser cladding in a circumferential direction, forming an annular first build-up layer with which a plurality of balls 4 is brought into contact so that the balls are rolled in the circumferential direction (first build-up layer formation step). An inner circumferential surface of an outer ring is subjected to a surface treatment by laser cladding in a circumferential direction, thereby forming an annular second build-up layer with which the plurality of balls contacts so that the balls can be rolled in the circumferential direction (second build-up layer formation step).
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: October 3, 2023
    Assignees: Osaka Fuji Corporation, Asahi Seiko Co., Ltd., University Public Corporation Osaka
    Inventors: Yoshihiro Tatsumi, Yuki Kitamura, Keiji Munekane, Yasuyuki Kaneno, Takayuki Takasugi
  • BALL BEARING AND METHOD FOR MANUFACTURING SAME
    Publication number: 20220213929
    Abstract: A ball bearing has an outer circumferential surface of an inner ring subjected to a surface treatment by laser cladding in a circumferential direction, forming an annular first build-up layer with which a plurality of balls 4 is brought into contact so that the balls are rolled in the circumferential direction (first build-up layer formation step). An inner circumferential surface of an outer ring is subjected to a surface treatment by laser cladding in a circumferential direction, thereby forming an annular second build-up layer with which the plurality of balls contacts so that the balls can be rolled in the circumferential direction (second build-up layer formation step).
    Type: Application
    Filed: April 10, 2020
    Publication date: July 7, 2022
    Applicants: OSAKA FUJI Corporation, ASAHI SEIKO CO., LTD., University Public Corporation Osaka
    Inventors: Yoshihiro TATSUMI, Yuki KITAMURA, Keiji MUNEKANE, Yasuyuki KANENO, Takayuki TAKASUGI