Patents by Inventor Masayoshi Sakamoto

Masayoshi Sakamoto 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: 20240170250
    Abstract: A charged particle beam device 1 includes analysis means performed by a controller when a sample holder HL holding a sample SAM is installed on a stage 23. The analysis means includes a step (a) of raising a degree of vacuum of each of an observation chamber 10 and a preprocessing chamber 20 by opening a gate valve VL5, opening a valve VL1, closing a valve VL2, and driving a vacuum pump 40, a step (b) of closing the gate valve VL5 and opening the valve VL2 after the step (a), and a step (c) of processing the sample SAM by radiating an ion beam from an ion source 22 to the sample SAM while performing vacuum exhaust of the preprocessing chamber 20 by the vacuum pump 40 after the step (b). The analysis means can process the sample SAM quickly after performing the vacuum exhaust of the preprocessing chamber 20 in a short time.
    Type: Application
    Filed: April 7, 2021
    Publication date: May 23, 2024
    Inventors: Masayoshi YOSHIOKA, Naoki SAKAMOTO, Shinya KITAYAMA
  • Patent number: 11985529
    Abstract: A plurality of access points configured to communicate with a subordinate wireless LAN terminal, an information collecting device configured to collect a frame respectively transmitted and received between the plurality of access points and the wireless LAN terminal, and extract information on communication quality of an access point of the plurality of access points from a header of the frame, and an information collecting server configured to acquire the information on the communication quality of the access point from the information collecting device, analyze the information to determine whether the communication quality is good or bad for each of the plurality of access points, and execute processing of externally displaying or notifying a result that is determined are included.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: May 14, 2024
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Masayoshi Nabeshima, Hiroyuki Nakamura, Tomoaki Ogawa, Shinya Otsuki, Makoto Umeuchi, Junichi Iwatani, Hiroshi Sakamoto
  • Patent number: 11985533
    Abstract: There are provided a plurality of radio devices detecting an interference source signal transmitted by an interference source and generating pieces of air time information showing whether the interference source signal exists or not for each predetermined time unit; and an aggregation device estimating air time of the interference source by acquiring the pieces of air time information from the plurality of radio devices and aggregating/integrating the acquired pieces of air time information for each predetermined unit time, matching timings.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: May 14, 2024
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Junichi Iwatani, Hiroyuki Nakamura, Tomoaki Ogawa, Makoto Umeuchi, Shinya Otsuki, Hiroshi Sakamoto, Masayoshi Nabeshima
  • Patent number: 11059687
    Abstract: A sheet supplying device includes: an air blow opening configured to blow air to a side portion of an uppermost part of stacked sheets; and a flow adjuster extending from above the air blow opening over an edge of a top sheet of the stacked sheets and configured to cause an air flow blown from the air blow opening to travel along an upper surface of the top sheet of the stacked sheets.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: July 13, 2021
    Assignee: RISO KAGAKU CORPORATION
    Inventors: Masayoshi Sakamoto, Yoshihisa Morita, Naoya Masuda, Toru Sakabe
  • Publication number: 20190127163
    Abstract: A sheet supplying device includes: an air blow opening configured to blow air to a side portion of an uppermost part of stacked sheets; and a flow adjuster extending from above the air blow opening over an edge of a top sheet of the stacked sheets and configured to cause an air flow blown from the air blow opening to travel along an upper surface of the top sheet of the stacked sheets.
    Type: Application
    Filed: October 30, 2018
    Publication date: May 2, 2019
    Applicant: RISO KAGAKU CORPORATION
    Inventors: Masayoshi SAKAMOTO, Yoshihisa MORITA, Naoya MASUDA, Toru SAKABE
  • Patent number: 7224996
    Abstract: A mobile information device has an operation unit which detects an operation by a user, a detection unit which detects a predetermined state when operated by the user, and a control unit which validates or invalidates the operation of the operation unit, depending on whether the predetermined state is detected or not.
    Type: Grant
    Filed: February 13, 2003
    Date of Patent: May 29, 2007
    Assignee: Fujitsu Limited
    Inventor: Masayoshi Sakamoto
  • Publication number: 20040204016
    Abstract: A mobile information device has an operation unit which detects an operation by a user, a detection unit which detects a predetermined state when operated by the user, and a cntrol unit which validates or invalidates the operation of the operation unit, depending on whether the predetermined state is detected or not.
    Type: Application
    Filed: February 13, 2003
    Publication date: October 14, 2004
    Applicant: FUJITSU LIMITED
    Inventor: Masayoshi Sakamoto
  • Patent number: 4507694
    Abstract: An improved selection/drive system is incorporated in a magnetic tape recording/reproducing apparatus such that the apparatus may be changed into any of the stop, playback, pause, que and review operations by making use of a single drive gear rotating with a capstan. A sector gear selectively meshes with the drive gear and has first, second and third engaging stubs thereon, and first, second, third and fourth locking members interlocked with operation buttons are selectively engaged with the stubs to lock the sector gear at any of predetermined angles of rotation for establishing the stop, playback, pause, fast-forward or rewind state.
    Type: Grant
    Filed: May 21, 1982
    Date of Patent: March 26, 1985
    Assignee: Pioneer Electronic Corporation
    Inventors: Toshio Hosono, Masayoshi Sakamoto, Shozo Ema
  • Patent number: 4470087
    Abstract: The head base drive mechanism for cassette tape players. The head base which is normally urged toward the stop position is advanced to the play-back position using the rotation of the capstan. A pinion integrally provided on the flywheel of the capstan is engaged or disengaged with a sector gear. The sector gear is blocked from rotation after it goes out of said engagement and before it comes into engagement with the pinion. Since the sector gear is urged in a predetermined direction by way of a cam attached thereto, the release of said blocking causes the sector gear to rotate very quickly while the pinion is in facing relation to the untoothed position of the sector gear. Meantime, the cam actuates the head base to advance it to the play-back position through gear transmission whereas it restores the head base to the stop position quickly with the force by which the sector gear is urged.
    Type: Grant
    Filed: September 15, 1981
    Date of Patent: September 4, 1984
    Assignee: Pioneer Electronic Corporation
    Inventors: Masayoshi Sakamoto, Minoru Kamata