Patents by Inventor Shoichi Sato

Shoichi Sato 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: 20210031268
    Abstract: Provided is a method of manufacturing a soft magnetic dust core. The method includes: preparing coated powder including amorphous powder made of an Fe-B-Si-P-C-Cu-based alloy, an Fe-B-P-C-Cu-based alloy, an Fe-B-Si-P-Cu-based alloy, or an Fe-B-P-Cu-based alloy, with a first initial crystallization temperature Tx1 and a second initial crystallization temperature Tx2; and a coating formed on a surface of particles of the amorphous powder; applying a compacting pressure to the coated powder or a mixture of the coated powder and the amorphous powder at a temperature equal to or lower than Tx1?100 K; and heating to a maximum end-point temperature equal to or higher than Tx1?50 K and lower than Tx2 with the compacting pressure being applied.
    Type: Application
    Filed: October 21, 2020
    Publication date: February 4, 2021
    Applicants: JFE STEEL CORPORATION, JFE PRECISION CORPORATION, TOKIN CORPORATION, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Naomichi NAKAMURA, Makoto NAKASEKO, Takuya TAKASHITA, Mineo MURAKI, Hoshiaki TERAO, Raita WADA, Akiri URATA, Yu KANAMORI, Makoto YAMAKI, Koichi OKAMOTO, Toshinori TSUDA, Shoichi SATO, Kimihiro OZAKI
  • Publication number: 20180361474
    Abstract: Provided is a soft magnetic dust core having high density and favorable properties. A method of manufacturing a soft magnetic dust core includes: preparing coated powder including amorphous powder made of an Fe—B—Si—P—C—Cu-based alloy, an Fe—B—P—C—Cu-based alloy, an Fe—B—Si—P—Cu-based alloy, or an Fe—B—P—Cu-based alloy, with a first initial crystallization temperature Tx1 and a second initial crystallization temperature Tx2; and a coating formed on a surface of particles of the amorphous powder; applying a compacting pressure to the coated powder or a mixture of the coated powder and the amorphous powder at a temperature equal to or lower than Tx1?100 K; and heating to a maximum end-point temperature equal to or higher than Tx1?50 K and lower than Tx2 with the compacting pressure being applied.
    Type: Application
    Filed: July 28, 2016
    Publication date: December 20, 2018
    Applicants: JFE STEEL CORPORATION, JFE PRECISION CORPORATION, TOKIN CORPORATION, National Institute of Advanced Industrial Science and Technology
    Inventors: Naomichi NAKAMURA, Makoto NAKASEKO, Takuya TAKASHITA, Mineo MURAKI, Hoshiaki TERAO, Raita WADA, Akiri URATA, Yu KANAMORI, Makoto YAMAKI, Koichi OKAMOTO, Toshinori TSUDA, Shoichi SATO, Kimihiro OZAKI
  • Publication number: 20180339457
    Abstract: In three-dimensional laminating and shaping, a three-dimensional laminated and shaped object having a corner portion is accurately shaped. A three-dimensional laminating and shaping apparatus includes a material supplier that supplies a material of a three-dimensional laminated and shaped object onto a shaping table, a light beam irradiator that performs irradiation of a light beam, a controller that controls a scanning direction and scanning speed of the light beam, a shaping model acquirer that acquires a shaping model of the three-dimensional laminated and shaped object, a shaping route decider that decides shaping routes based on the acquired shaping model, an extractor that extracts, from the decided shaping routes, a start point and end point of the shaping routes and a relay point at which a direction of the shaping route changes, and an additional route decider that decides additional routes for at least one of the extracted start point, end point, and relay point.
    Type: Application
    Filed: October 5, 2016
    Publication date: November 29, 2018
    Applicant: Technology Research Association For Future Additive Manufacturing
    Inventors: Shimpei FUJIMAKI, Takahiro FUNAKI, Shoichi SATO
  • Publication number: 20180169759
    Abstract: Provided is a soft magnetic dust core having high density and favorable properties. A method of manufacturing a soft magnetic dust core includes: preparing coated powder including amorphous powder made of an Fe—B—Si—P—C—Cu-based alloy, an Fe—B—P—C—Cu-based alloy, an Fe—B—Si—P—Cu-based alloy, or an Fe—B—P—Cu-based alloy, with a first initial crystallization temperature Tx1 and a second initial crystallization temperature Tx2; and a coating formed on a surface of particles of the amorphous powder; applying a compacting pressure to the coated powder or a mixture of the coated powder and the amorphous powder at a temperature equal to or lower than Tx1?100 K; and heating to a maximum end-point temperature equal to or higher than Tx1?50 K and lower than Tx2 with the compacting pressure being applied.
    Type: Application
    Filed: July 28, 2016
    Publication date: June 21, 2018
    Applicants: JFE STEEL CORPORATION, JFE PRECISION CORPORATION, TOKIN CORPORATION, National Institute of Advanced Industrial Science and Technology
    Inventors: Naomichi NAKAMURA, Makoto NAKASEKO, Takuya TAKASHITA, Mineo MURAKI, Hoshiaki TERAO, Raita WADA, Akiri URATA, Yu KANAMORI, Makoto YAMAKI, Koichi OKAMOTO, Toshinori TSUDA, Shoichi SATO, Kimihiro OZAKI
  • Patent number: 9283639
    Abstract: A laser dicing method is a laser dicing method which includes: switching irradiation and non-irradiation of the pulse laser beam on the work piece in light pulse units by controlling passing and blocking of the pulse laser beam using a pulse picker in synchronization with the clock signal; and forming a crack reaching a substrate surface of the work piece to be continuous in the substrate surface of the work piece, and which includes: a first crack forming step of irradiating the pulse laser beam on the work piece along a first line; and a second crack forming step of irradiating the pulse laser beam on the work piece along a second line orthogonal to the first line, and in which, in an area in which the first line and the second line cross, a light pulse density of the pulse laser beam is increased in the first crack forming step or the second crack forming step.
    Type: Grant
    Filed: July 5, 2013
    Date of Patent: March 15, 2016
    Assignee: Toshiba Kikai Kabushiki Kaisha
    Inventor: Shoichi Sato
  • Patent number: 9050683
    Abstract: A laser dicing method of a work piece on a surface of which a metal film is provided, includes: a first metal film removing of irradiating a pulse laser beam defocused from the metal film, along a first line, and removing the metal film; a second metal film removing of irradiating the pulse laser beam defocused from the metal film, along a second line orthogonal to the first line, and removing the metal film; and a crack forming of irradiating the pulse laser beam in an area from which the metal film of the work piece is removed, and forming the crack in the work piece, and, in an area in which the first line and the second line cross, irradiation of the pulse laser beam is interrupted in the first metal film removing or the second metal film removing.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: June 9, 2015
    Assignee: Toshiba Kikai Kabushiki Kaisha
    Inventor: Shoichi Sato
  • Patent number: 8942568
    Abstract: An apparatus has frame loss detecting unit 14 for detecting frame loss of a data frame; dispersion amount control request transmission device for transmitting, when the frame loss detecting device 14 detects the frame loss in an undetected state of an input break of an optical signal by optical input break detecting unit 13, an optical signal of a dispersion amount control request pattern to the opposite apparatus at a bit rate lower than that for transmitting the optical signal of the data frame until the frame loss becomes undetected state; and dispersion amount control request receiving device for receiving the optical signal of the dispersion amount control request pattern transmitted from the opposite apparatus, wherein dispersion compensator 21 controls the dispersion amount of transmission line between the apparatus and the opposite apparatus when the dispersion amount control request receiving device receives the optical signal of a specific pattern.
    Type: Grant
    Filed: December 24, 2010
    Date of Patent: January 27, 2015
    Assignee: Mitsubishi Electric Corporation
    Inventor: Shoichi Sato
  • Publication number: 20140360988
    Abstract: A laser dicing method includes: placing a workpiece substrate on a stage; generating a clock signal; emitting a pulse laser beam synchronous with the clock signal; switching irradiation and non-irradiation of the workpiece substrate with the pulse laser beam in a unit of light pulse in synchronization with the clock signal to perform first irradiation of the pulse laser beam on a first straight line by controlling the pulse laser beam using a pulse picker; performing second irradiation of the pulse laser beam on a second straight line, which is adjacent to the first straight line in a substantially parallel fashion, after the first irradiation; and forming a crack reaching a workpiece substrate surface on the workpiece substrate by the first irradiation and the second irradiation.
    Type: Application
    Filed: August 22, 2014
    Publication date: December 11, 2014
    Inventor: Shoichi SATO
  • Patent number: 8896741
    Abstract: A photographing device to photograph an object includes a displaying unit to display an image acquired from the object, an image recording unit to record the image, an enlarged image generating unit to extract a portion or whole of the image displayed on the displaying unit to generate an enlarged image from the image, and a display control unit to display the enlarged image instead of the image on the displaying unit or in an overlapped manner with the image before capturing the image into the image recording unit.
    Type: Grant
    Filed: January 19, 2010
    Date of Patent: November 25, 2014
    Assignees: Fujitsu Limited, Fujitsu Frontech Limited
    Inventors: Miwa Akagi, Atsushi Miura, Katsuaki Akama, Yukio Takayashiki, Takashi Wakabayashi, Mikihiko Yamamoto, Shoichi Sato
  • Patent number: 8871540
    Abstract: A laser dicing method includes: placing a workpiece substrate on a stage; generating a clock signal; emitting a pulse laser beam synchronous with the clock signal; switching irradiation and non-irradiation of the workpiece substrate with the pulse laser beam in a unit of light pulse in synchronization with the clock signal to perform first irradiation of the pulse laser beam on a first straight line by controlling the pulse laser beam using a pulse picker; performing second irradiation of the pulse laser beam on a second straight line, which is adjacent to the first straight line in a substantially parallel fashion, after the first irradiation; and forming a crack reaching a workpiece substrate surface on the workpiece substrate by the first irradiation and the second irradiation.
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: October 28, 2014
    Assignee: Toshiba Kikai Kabushiki Kaisha
    Inventor: Shoichi Sato
  • Publication number: 20140008338
    Abstract: A laser dicing method is a laser dicing method which includes: switching irradiation and non-irradiation of the pulse laser beam on the work piece in light pulse units by controlling passing and blocking of the pulse laser beam using a pulse picker in synchronization with the clock signal; and forming a crack reaching a substrate surface of the work piece to be continuous in the substrate surface of the work piece, and which includes: a first crack forming step of irradiating the pulse laser beam on the work piece along a first line; and a second crack forming step of irradiating the pulse laser beam on the work piece along a second line orthogonal to the first line, and in which, in an area in which the first line and the second line cross, a light pulse density of the pulse laser beam is increased in the first crack forming step or the second crack forming step.
    Type: Application
    Filed: July 5, 2013
    Publication date: January 9, 2014
    Inventor: Shoichi SATO
  • Publication number: 20140004639
    Abstract: A laser dicing method of a work piece on a surface of which a metal film is provided, includes: a first metal film removing of irradiating a pulse laser beam defocused from the metal film, along a first line, and removing the metal film; a second metal film removing of irradiating the pulse laser beam defocused from the metal film, along a second line orthogonal to the first line, and removing the metal film; and a crack forming of irradiating the pulse laser beam in an area from which the metal film of the work piece is removed, and forming the crack in the work piece, and, in an area in which the first line and the second line cross, irradiation of the pulse laser beam is interrupted in the first metal film removing or the second metal film removing.
    Type: Application
    Filed: June 27, 2013
    Publication date: January 2, 2014
    Inventor: Shoichi SATO
  • Publication number: 20130209092
    Abstract: An apparatus has frame loss detecting unit 14 for detecting frame loss of a data frame; dispersion amount control request transmission device for transmitting, when the frame loss detecting device 14 detects the frame loss in an undetected state of an input break of an optical signal by optical input break detecting unit 13, an optical signal of a dispersion amount control request pattern to the opposite apparatus at a bit rate lower than that for transmitting the optical signal of the data frame until the frame loss becomes undetected state; and dispersion amount control request receiving device for receiving the optical signal of the dispersion amount control request pattern transmitted from the opposite apparatus, wherein dispersion compensator 21 controls the dispersion amount of transmission line between the apparatus and the opposite apparatus when the dispersion amount control request receiving device receives the optical signal of a specific pattern.
    Type: Application
    Filed: December 24, 2010
    Publication date: August 15, 2013
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventor: Shoichi Sato
  • Patent number: 8437796
    Abstract: A transmission level control method in a wireless local loop system capable of suppressing occurrence of an unnecessarily high transmission level, comprises a step of generating a required reception level corresponding to a classification of data, a step of detecting the reception level of data at a receiver side transceiver apparatus, a step of finding a level difference between the detected reception level and the required reception level corresponding to the classification of the related received data, and a step of controlling a change of the transmission level at a transmitter side transceiver apparatus according to this level difference.
    Type: Grant
    Filed: May 25, 2011
    Date of Patent: May 7, 2013
    Assignee: Fujitsu Limited
    Inventors: Shoichi Sato, Koji Arai
  • Publication number: 20130026145
    Abstract: A laser dicing method for a substrate to be processed having a metal film on a surface thereof includes a metal film removing step for placing the substrate to be processed on a stage, irradiating the metal film with a defocused pulse laser beam, and removing the metal film, and a crack forming step for irradiating a region where the metal film is removed of the substrate to be processed with a pulse laser beam, and forming a crack in the substrate to be processed.
    Type: Application
    Filed: July 24, 2012
    Publication date: January 31, 2013
    Inventors: Mitsuhiro IDE, Makoto HAYASHI, Shoichi SATO
  • Publication number: 20130029444
    Abstract: A laser dicing method includes: placing a workpiece substrate on a stage; generating a clock signal; emitting a pulse laser beam synchronous with the clock signal; switching irradiation and non-irradiation of the workpiece substrate with the pulse laser beam in a unit of light pulse in synchronization with the clock signal to perform first irradiation of the pulse laser beam on a first straight line by controlling the pulse laser beam using a pulse picker; performing second irradiation of the pulse laser beam on a second straight line, which is adjacent to the first straight line in a substantially parallel fashion, after the first irradiation; and forming a crack reaching a workpiece substrate surface on the workpiece substrate by the first irradiation and the second irradiation.
    Type: Application
    Filed: July 24, 2012
    Publication date: January 31, 2013
    Applicant: TOSHIBA KIKAI KABUSHIKI KAISHA
    Inventor: Shoichi SATO
  • Patent number: 8311571
    Abstract: A transmission level control method in a wireless local loop system capable of suppressing occurrence of an unnecessarily high transmission level, comprises a step of generating a required reception level corresponding to a classification of data, a step of detecting the reception level of data at a receiver side transceiver apparatus, a step of finding a level difference between the detected reception level and the required reception level corresponding to the classification of the related received data, and a step of controlling a change of the transmission level at a transmitter side transceiver apparatus according to this level difference.
    Type: Grant
    Filed: May 25, 2011
    Date of Patent: November 13, 2012
    Assignee: Fujitsu Limited
    Inventors: Shoichi Sato, Koji Arai
  • Patent number: 8244006
    Abstract: There is a need for providing a finger vein image inputting device that can miniaturize and thin a finger vein authentication apparatus and provide high authentication accuracy. The finger vein image inputting device according to the present invention includes a body, a band pass filter for transmitting only light of a specific wavelength, a light source for applying light to a finger placed over the band pass filter, and an imaging means for imaging transmitted light from the finger. A gradient index lens is provided between the band pass filter and the imaging means and causes refractive-index distribution around an optical axis. A polarizing filter is provided at least one of between the light source and the finger and between the finger and an imaging device.
    Type: Grant
    Filed: October 3, 2008
    Date of Patent: August 14, 2012
    Assignee: Hitachi Media Electronics Co., Ltd.
    Inventors: Shingo Yokoyama, Tadayuki Abe, Hiromi Sugo, Kyoichi Takahashi, Shoichi Sato, Soichi Sakurai
  • Publication number: 20110287723
    Abstract: A transmission level control method in a wireless local loop system capable of suppressing occurrence of an unnecessarily high transmission level, comprises a step of generating a required reception level corresponding to a classification of data, a step of detecting the reception level of data at a receiver side transceiver apparatus, a step of finding a level difference between the detected reception level and the required reception level corresponding to the classification of the related received data, and a step of controlling a change of the transmission level at a transmitter side transceiver apparatus according to this level difference.
    Type: Application
    Filed: May 25, 2011
    Publication date: November 24, 2011
    Applicant: FUJITSU LIMITED
    Inventors: Shoichi Sato, Koji Arai
  • Publication number: 20110281611
    Abstract: A transmission level control method in a wireless local loop system capable of suppressing occurrence of an unnecessarily high transmission level, comprises a step of generating a required reception level corresponding to a classification of data, a step of detecting the reception level of data at a receiver side transceiver apparatus, a step of finding a level difference between the detected reception level and the required reception level corresponding to the classification of the related received data, and a step of controlling a change of the transmission level at a transmitter side transceiver apparatus according to this level difference.
    Type: Application
    Filed: May 25, 2011
    Publication date: November 17, 2011
    Applicant: FUJITSU LIMITED
    Inventors: Shoichi SATO, Koji Arai