Patents by Inventor Joichi MURAKAMI

Joichi MURAKAMI 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).

  • Patent number: 12085538
    Abstract: An ultrasonic phased array detection device sequentially performing flaw detection testing on a welded joint of tubes arranged in a row. The ultrasonic phased array detection device includes: a flaw detection testing unit inserted into a target tube targeted for flaw detection testing among the tubes, and performing flaw detection testing on the welded joint of the target tube; a drive mechanism rotating the flaw detection testing unit around an axis of the target tube; and a jig to be inserted and fixed in a tube different from the target tube. The flaw detection testing unit has a flaw detection part incorporating a phased array probe performing ultrasonic phased array method, and has a pressing mechanism pressing the flaw detection part against an inner surface of the target tube.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: September 10, 2024
    Assignee: HITACHI ZOSEN CORPORATION
    Inventors: Kaoru Shinoda, Masamitsu Abe, Joichi Murakami
  • Publication number: 20240161267
    Abstract: This invention carries out highly accurate determination even on an image which is likely to cause erroneous determination. An information processing device (1) includes: a classifying section (105) that obtains an output value given in response to inputting an inspection image into a classification model generated by carrying out learning so that distances, in a feature space, between feature quantities extracted from an image group not having a noise become small; and a determining section (102) that applies, in accordance with the output value, a method for the image group not having a noise or a method for an image group having a noise to determine the presence or absence of a defect.
    Type: Application
    Filed: January 19, 2022
    Publication date: May 16, 2024
    Inventors: Kaoru SHINODA, Takeru KATAYAMA, Masamitsu ABE, Ryota IOKA, Takahiro WADA, Hiroshi HATTORI, Joichi MURAKAMI
  • Publication number: 20230298327
    Abstract: A final determination result is derived in accordance with target data, in consideration of determination results given by determining sections. An information processing device includes: a reliability determining section that determines, in accordance with an inspection image, reliabilities of determination results given by determining sections each configured to determine a given determination matter in accordance with the inspection image; and a comprehensive determination section configured to determine the given determination matter with use of the determination results and the reliabilities.
    Type: Application
    Filed: May 14, 2021
    Publication date: September 21, 2023
    Inventors: Takeru KATAYAMA, Kaoru SHINODA, Masamitsu ABE, Ryota IOKA, Takahiro WADA, Joichi MURAKAMI, Hiroshi HATTORI
  • Publication number: 20220334088
    Abstract: In an ultrasonic testing method and an ultrasonic testing device that ultrasonically examine a flaw of a subject, a scanning range specified for the subject is scanned while flaw testing is performed by an array probe, and it is determined that a flaw is present at a point where a groove signal DG is present and a bottom echo signal BE is not obtained.
    Type: Application
    Filed: July 9, 2020
    Publication date: October 20, 2022
    Inventors: Kaoru SHINODA, Masamitsu ABE, Joichi MURAKAMI, Hiroshi HATTORI
  • Publication number: 20220236233
    Abstract: An ultrasonic phased array detection device sequentially performing flaw detection testing on a welded joint of tubes arranged in a row. The ultrasonic phased array detection device includes: a flaw detection testing unit inserted into a target tube targeted for flaw detection testing among the tubes, and performing flaw detection testing on the welded joint of the target tube; a drive mechanism rotating the flaw detection testing unit around an axis of the target tube; and a jig to be inserted and fixed in a tube different from the target tube. The flaw detection testing unit has a flaw detection part incorporating a phased array probe performing ultrasonic phased array method, and has a pressing mechanism pressing the flaw detection part against an inner surface of the target tube.
    Type: Application
    Filed: December 10, 2019
    Publication date: July 28, 2022
    Inventors: Kaoru SHINODA, Masamitsu ABE, Joichi MURAKAMI