Patents by Inventor Tomotaka SAKAGAMI

Tomotaka SAKAGAMI 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).

  • Torsion tester
    Patent number: 9442052
    Abstract: A torsion tester including a plurality of driving units configured to connect with and rotate three or more input/output shafts of a test body, respectively, and a controller configured to control the plurality of driving units to be driven with one of individually-set rotational frequencies and individually-set torques, respectively.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: September 13, 2016
    Assignee: Kokusai Keisokuki Kabushiki Kaisha
    Inventors: Sigeru Matsumoto, Hiroshi Miyashita, Kazuhiro Murauchi, Masanobu Hasegawa, Tomotaka Sakagami
  • Torsion tester
    Patent number: 9032813
    Abstract: A torsion tester including a reaction force unit and a drive unit including a servo motor, a first reduction gear, a shaft transmitting an output force from the first reduction gear, a clutch having an input shaft fixed to the shaft, a second reduction gear decelerating rotation of an output shaft of the clutch, a chuck, and a connection mechanism connecting the chuck with one of the shaft and the second reduction gear, the drive unit configured to switch between a first mode where the clutch is disengaged, and the shaft is connected with the chuck by the connection mechanism and a second mode where the clutch is engaged, and the second reduction gear is connected with the chuck by the connection mechanism.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: May 19, 2015
    Assignee: KOKUSAI KEISOKUKI KABUSHIKI KAISHA
    Inventors: Sigeru Matsumoto, Hiroshi Miyashita, Kazuhiro Murauchi, Masanobu Hasegawa, Tomotaka Sakagami, Yasuyuki Mido, Shigenobu Kawai
  • TORSION TESTER
    Publication number: 20140208864
    Abstract: A torsion tester including a reaction force unit and a drive unit including a servo motor, a first reduction gear, a shaft transmitting an output force from the first reduction gear, a clutch having an input shaft fixed to the shaft, a second reduction gear decelerating rotation of an output shaft of the clutch, a chuck, and a connection mechanism connecting the chuck with one of the shaft and the second reduction gear, the drive unit configured to switch between a first mode where the clutch is disengaged, and the shaft is connected with the chuck by the connection mechanism and a second mode where the clutch is engaged, and the second reduction gear is connected with the chuck by the connection mechanism.
    Type: Application
    Filed: March 28, 2014
    Publication date: July 31, 2014
    Applicant: KOKUSAI KEISOKUKI KABUSHIKI KAISHA
    Inventors: Sigeru MATSUMOTO, Hiroshi MIYASHITA, Kazuhiro MURAUCHI, Masanobu HASEGAWA, Tomotaka SAKAGAMI, Yasuyuki MIDO, Shigenobu KAWAI
  • TORSION TESTER
    Publication number: 20140208863
    Abstract: A torsion tester including a plurality of driving units configured to connect with and rotate three or more input/output shafts of a test body, respectively, and a controller configured to control the plurality of driving units to be driven with one of individually-set rotational frequencies and individually-set torques, respectively.
    Type: Application
    Filed: March 28, 2014
    Publication date: July 31, 2014
    Applicant: KOKUSAI KEISOKUKI KABUSHIKI KAISHA
    Inventors: Sigeru MATSUMOTO, Hiroshi MIYASHITA, Kazuhiro MURAUCHI, Masanobu HASEGAWA, Tomotaka SAKAGAMI