Patents by Inventor Masanori KAKUI

Masanori KAKUI 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).

  • Publication number: 20230302544
    Abstract: A cutting tool is rotatable about an axis line, and includes a main body portion, a cutting insert, and a plurality of anti-vibration members. The main body portion has an inner circumferential surface and an outer circumferential surface opposite to the inner circumferential surface. The cutting insert is attached to at least one of the inner circumferential surface and the outer circumferential surface. Each of the plurality of anti-vibration members is provided at the main body portion. Each of the plurality of anti-vibration members includes a weight member composed of a material having a specific gravity larger than a specific gravity of a material of the main body portion.
    Type: Application
    Filed: July 8, 2021
    Publication date: September 28, 2023
    Applicants: Sumitomo Electric Hardmetal Corp., Komatsu NTC Ltd., Big Daishowa Seiki Co., Ltd.
    Inventors: Hirochika FUKUDA, Takuya NISHIMURA, Masanori KAKUI, Manabu TSUJINO, Tatsuya OGATA
  • Patent number: 10654115
    Abstract: A cutter performs milling on a crankshaft blank having a journal and a counterweight coupled to the journal. The cutter includes an annular main body part, a first chip, and a second chip. The annular main body part is centered on a predetermined axis center. The first chip is attached to a circumferential surface of the main body part and is used to cut an external circumferential surface of the journal. The second chip is attached to the circumferential surface of the main body part and is used to cut a groove on the external circumferential surface of the journal.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: May 19, 2020
    Assignee: KOMATSU NTC LTD.
    Inventor: Masanori Kakui
  • Publication number: 20180200807
    Abstract: A cutter performs milling on a crankshaft blank having a journal and a counterweight coupled to the journal. The cutter includes an annular main body part, a first chip, and a second chip. The annular main body part is centered on a predetermined axis center. The first chip is attached to a circumferential surface of the main body part and is used to cut an external circumferential surface of the journal. The second chip is attached to the circumferential surface of the main body part and is used to cut a groove on the external circumferential surface of the journal.
    Type: Application
    Filed: December 27, 2017
    Publication date: July 19, 2018
    Inventor: Masanori KAKUI