Patents by Inventor Kazumi TAKENAKA

Kazumi TAKENAKA 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).

  • Method and machine for producing titanium cobbles
    Patent number: 10967386
    Abstract: A method of producing titanium cobbles includes: a preparation step of preparing a scrap material containing 50% by mass or more of metal titanium; a first crushing step of roughly crushing the scrap material using a first crusher; a second crushing step of crushing the scrap material, which has been roughly crushed in the first crushing step, using a second crusher; a dust collection step of collecting fine dust of the scrap material generated in the second crushing step; and a first classification step of classifying products obtained by crushing the scrap material, which have been generated in the second crushing step, into medium particles with particle sizes within a predetermined particle size range, large particles with particle sizes larger than the particle size range, and small particles with particle sizes smaller than the particle size range.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: April 6, 2021
    Assignee: METALDO CO., LTD.
    Inventors: Shingo Nomura, Keigo Kobayashi, Kazumi Takenaka
  • METHOD AND MACHINE FOR PRODUCING TITANIUM COBBLES
    Publication number: 20210008568
    Abstract: A method of producing titanium cobbles includes: a preparation step of preparing a scrap material containing 50% by mass or more of metal titanium; a first crushing step of roughly crushing the scrap material using a first crusher; a second crushing step of crushing the scrap material, which has been roughly crushed in the first crushing step, using a second crusher; a dust collection step of collecting fine dust of the scrap material generated in the second crushing step; and a first classification step of classifying products obtained by crushing the scrap material, which have been generated in the second crushing step, into medium particles with particle sizes within a predetermined particle size range, large particles with particle sizes larger than the particle size range, and small particles with particle sizes smaller than the particle size range.
    Type: Application
    Filed: February 21, 2019
    Publication date: January 14, 2021
    Applicant: Metaldo Co., Ltd.
    Inventors: Shingo NOMURA, Keigo KOBAYASHI, Kazumi TAKENAKA