Patents by Inventor Takahiro KUROMOTO

Takahiro KUROMOTO 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).

  • Cryocooler
    Patent number: 11725854
    Abstract: A cryocooler includes a displacer that includes a lid portion and a main body portion, a displacer drive shaft that includes a collar portion held between the lid portion and the main body portion, and a buffer that is disposed in a clearance between the collar portion and the lid portion or between the collar portion and the main body portion and includes a soft material and a hard material disposed on an opposite side to the collar portion with respect to the soft material.
    Type: Grant
    Filed: March 10, 2022
    Date of Patent: August 15, 2023
    Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.
    Inventors: Takahiro Kuromoto, Yosuke Matsumura
  • CRYOCOOLER
    Publication number: 20220290902
    Abstract: A cryocooler includes a displacer that includes a lid portion and a main body portion, a displacer drive shaft that includes a collar portion held between the lid portion and the main body portion, and a buffer that is disposed in a clearance between the collar portion and the lid portion or between the collar portion and the main body portion and includes a soft material and a hard material disposed on an opposite side to the collar portion with respect to the soft material.
    Type: Application
    Filed: March 10, 2022
    Publication date: September 15, 2022
    Applicant: SUMITOMO HEAVY INDUSTRIES, LTD.
    Inventors: Takahiro KUROMOTO, Yosuke MATSUMURA
  • Displacer assembly and cryocooler
    Patent number: 11156214
    Abstract: A displacer assembly includes a first displacer including a first displacer lower lid portion and extending along a displacer center axis, a second displacer including a second displacer upper lid portion and disposed so that the second displacer upper lid portion is adjacent to the first displacer lower lid portion along the displacer center axis, and a cross-shaped connector including a first connector pin and a second connector pin, and connecting the second displacer upper lid portion to the first displacer lower lid portion so that the second displacer is inclinable forward, rearward, rightward, and leftward with respect to the first displacer.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: October 26, 2021
    Assignee: SUMITOMO HEAVY INDUSTRIES, LTD.
    Inventor: Takahiro Kuromoto
  • DISPLACER ASSEMBLY AND CRYOCOOLER
    Publication number: 20200263676
    Abstract: A displacer assembly includes a first displacer including a first displacer lower lid portion and extending along a displacer center axis, a second displacer including a second displacer upper lid portion and disposed so that the second displacer upper lid portion is adjacent to the first displacer lower lid portion along the displacer center axis, and a cross-shaped connector including a first connector pin and a second connector pin, and connecting the second displacer upper lid portion to the first displacer lower lid portion so that the second displacer is inclinable forward, rearward, rightward, and leftward with respect to the first displacer.
    Type: Application
    Filed: February 18, 2020
    Publication date: August 20, 2020
    Applicant: SUMITOMO HEAVY INDUSTRIES, LTD.
    Inventor: Takahiro KUROMOTO