Patents by Inventor Akihiko Matoba

Akihiko Matoba 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: 20240074214
    Abstract: A semiconductor memory device includes a plurality of transistors arranged in a first direction, and arranged in a second direction and a first wiring layer disposed between a semiconductor substrate and a plurality of voltage supply wirings. Each of the plurality of transistors includes a source region and a drain region. The first wiring layer includes a plurality of first connecting portions disposed at positions overlapping with the plurality of source regions when viewed in a third direction and electrically connected to the plurality of source regions and the plurality of voltage supply wirings, a plurality of second connecting portions disposed at positions overlapping with the plurality of source regions when viewed in the third direction and electrically connected to a plurality of the drain regions and a plurality of conductive layers, and a passing wiring region disposed between a pair of the second connecting portions.
    Type: Application
    Filed: August 25, 2023
    Publication date: February 29, 2024
    Applicant: KIOXIA CORPORATION
    Inventors: Nobuaki OKADA, Akihiko CHIBA, Kenichi MATOBA, Haruna SUGIURA
  • Patent number: 5791972
    Abstract: A method of working a workpiece with an apparatus comprising the steps of holding the workpiece by a holding means, rotating the held workpiece by a rotational means in a direction of a tool to match a rotational axis line of the workpiece with a rotation axis line of the tool, matching a vertical axis of the holding means holding the workpiece with an intersection of a swingable rotation axis line of a means for swingably rotating the tool and the tool rotation axis line, and holding the workpiece above the tool and the working the workpiece by exerting work pressure on the workpiece.
    Type: Grant
    Filed: August 9, 1994
    Date of Patent: August 11, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshinori Murasugi, Akihiko Matoba, Kenji Fujiwara, Toru Imanari