Patents by Inventor Masahiko Takashima

Masahiko Takashima 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: 11972594
    Abstract: A multifunction peripheral includes a color number conversion determiner. The color number conversion determiner determines whether it is appropriate to perform either an index color process or a full-color process based on a color distribution degree, which is a distribution degree of pixel values of the respective sets of pixel data included in input image data, a photograph area ratio, which is a ratio of photograph area pixel data forming a photograph area to the pixel data, and a color uniformity area ratio, which is a ratio of white base area pixel data forming a white base area to the pixel data.
    Type: Grant
    Filed: February 16, 2022
    Date of Patent: April 30, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Teruhiko Matsuoka, Akihito Yoshida, Masahiko Takashima
  • Patent number: 11972061
    Abstract: To provide an input apparatus including an acquisition circuit that acquires a captured image capturing a user, a detection circuit that detects a first hand of the user from the captured image acquired by the acquisition circuit, and a display circuit that displays, when a second hand different from the first hand is detected during tracking of the first hand detected by the detection circuit, notification information corresponding to a distance between the first hand and the second hand on the display screen.
    Type: Grant
    Filed: April 21, 2023
    Date of Patent: April 30, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Masahiko Takashima, Teruhiko Matsuoka, Tomoya Ishikura
  • Publication number: 20230341945
    Abstract: To provide an input apparatus including an acquisition circuit that acquires a captured image capturing a user, a detection circuit that detects a first hand of the user from the captured image acquired by the acquisition circuit, and a display circuit that displays, when a second hand different from the first hand is detected during tracking of the first hand detected by the detection circuit, notification information corresponding to a distance between the first hand and the second hand on the display screen.
    Type: Application
    Filed: April 21, 2023
    Publication date: October 26, 2023
    Inventors: MASAHIKO TAKASHIMA, TERUHIKO MATSUOKA, TOMOYA ISHIKURA
  • Publication number: 20230057757
    Abstract: Provided are a memory and a processor connected to the memory to execute a program stored in the memory. The processor classifies each of pixels included in an image into any one region of a region of achromatic color and a region of chromatic color inside a color space, uses the pixels classified into the region of achromatic color to extract a first predetermined number of representative colors, uses the pixels classified into the region of chromatic color to extract a second predetermined number of representative colors, and replaces each of the pixels included in the image with a pixel of a representative color having a smallest difference in pixel value from the pixels included in the image, among the first predetermined number of representative colors and the second predetermined number of representative colors, to generate a color-reduced image of the image.
    Type: Application
    Filed: August 11, 2022
    Publication date: February 23, 2023
    Inventors: TERUHIKO MATSUOKA, MASAHIKO TAKASHIMA, DAISAKU IMAIZUMI
  • Publication number: 20220284631
    Abstract: A multifunction peripheral includes a color number conversion determiner. The color number conversion determiner determines whether it is appropriate to perform either an index color process or a full-color process based on a color distribution degree, which is a distribution degree of pixel values of the respective sets of pixel data included in input image data, a photograph area ratio, which is a ratio of photograph area pixel data forming a photograph area to the pixel data, and a color uniformity area ratio, which is a ratio of white base area pixel data forming a white base area to the pixel data.
    Type: Application
    Filed: February 16, 2022
    Publication date: September 8, 2022
    Inventors: TERUHIKO MATSUOKA, AKIHITO YOSHIDA, MASAHIKO TAKASHIMA
  • Patent number: 11310378
    Abstract: A system includes an image processing device connected to a transmission and reception device that communicates with an external device, and a terminal device connected to a display device. The image processing device includes an evaluation value calculation processor that calculates, for each of two or more types of output modes, an evaluation value of output image data when image data is output in the output mode, and an evaluation information transmitter that transmits evaluation information including information based on the evaluation value for each of the output modes, to the terminal device, via the transmission and reception device. The terminal device includes a display controller that performs control of displaying, for each of the output modes, the information based on the evaluation value corresponding to the output mode, on the display device, if the evaluation information is received.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: April 19, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Masahiko Takashima, Daisaku Imaizumi
  • Patent number: 11196874
    Abstract: To provide an image processing device including a generator that generates output image data from input image data, a calculation processor that calculates an evaluation value indicating a degree of information loss of the output image data, a determiner that compares the evaluation value with a predetermined threshold value and determines a magnitude of the degree of information loss, and a display that displays information in accordance with a determination result by the determiner.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: December 7, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Masahiko Takashima, Daisaku Imaizumi, Teruhiko Matsuoka, Yasushi Adachi
  • Publication number: 20210211549
    Abstract: A system includes an image processing device connected to a transmission and reception device that communicates with an external device, and a terminal device connected to a display device. The image processing device includes an evaluation value calculation processor that calculates, for each of two or more types of output modes, an evaluation value of output image data when image data is output in the output mode, and an evaluation information transmitter that transmits evaluation information including information based on the evaluation value for each of the output modes, to the terminal device, via the transmission and reception device. The terminal device includes a display controller that performs control of displaying, for each of the output modes, the information based on the evaluation value corresponding to the output mode, on the display device, if the evaluation information is received.
    Type: Application
    Filed: December 30, 2020
    Publication date: July 8, 2021
    Inventors: MASAHIKO TAKASHIMA, DAISAKU IMAIZUMI
  • Patent number: 10855882
    Abstract: An image processing apparatus processes input image data and generates output image data. The image processing apparatus includes a feature-value calculating unit, an output-gradation-number setting unit, and an image processor. The feature-value calculating unit calculates a feature value from the input image data. The output-gradation-number setting unit sets, as the number of output gradations, any one gradation number of candidates for the number of output gradations based on the feature value calculated by the feature-value calculating unit. The image processor processes the input image data and generates the output image data having the number of output gradations which is set by the output-gradation-number setting unit.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: December 1, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Daisaku Imaizumi, Teruhiko Matsuoka, Masahiko Takashima, Yasushi Adachi
  • Publication number: 20200336604
    Abstract: To provide an image processing device including a generator that generates output image data from input image data, a calculation processor that calculates an evaluation value indicating a degree of information loss of the output image data, a determiner that compares the evaluation value with a predetermined threshold value and determines a magnitude of the degree of information loss, and a display that displays information in accordance with a determination result by the determiner.
    Type: Application
    Filed: April 3, 2020
    Publication date: October 22, 2020
    Inventors: MASAHIKO TAKASHIMA, DAISAKU IMAIZUMI, TERUHIKO MATSUOKA, YASUSHI ADACHI
  • Publication number: 20200055683
    Abstract: A paper feed roller that can prevent paper sheet transport failure caused by accumulation of paper powder for a long period of time is provide. This paper feed roller includes a shaft body and an elastic body layer formed on the outer periphery of the shaft body. Unevenness are formed by protrusions on the circumferential surface of the elastic body layer. The protrusions are arranged on the circumferential surface of the elastic body layer in a direction different from an axial direction. The gap between a row of protrusions which extends in the direction different from the axial direction and a row of protrusions which is parallel to the row of protrusions is a continuous recess, i.e., a groove, and the width of the groove is greater than the distance between the protrusions in the row of protrusions which extends in the direction different from the axial direction.
    Type: Application
    Filed: October 24, 2019
    Publication date: February 20, 2020
    Applicant: Sumitomo Riko Company Limited
    Inventors: Kazushi YAMAGUCHI, Masahiko TAKASHIMA, Takahisa KOSE, Atsuhiro KAWANO
  • Publication number: 20200014820
    Abstract: An image processing apparatus processes input image data and generates output image data. The image processing apparatus includes a feature-value calculating unit, an output-gradation-number setting unit, and an image processor. The feature-value calculating unit calculates a feature value from the input image data. The output-gradation-number setting unit sets, as the number of output gradations, any one gradation number of candidates for the number of output gradations based on the feature value calculated by the feature-value calculating unit. The image processor processes the input image data and generates the output image data having the number of output gradations which is set by the output-gradation-number setting unit.
    Type: Application
    Filed: July 3, 2019
    Publication date: January 9, 2020
    Inventors: DAISAKU IMAIZUMI, TERUHIKO MATSUOKA, MASAHIKO TAKASHIMA, YASUSHI ADACHI
  • Patent number: 10495115
    Abstract: The invention is directed to a portable power working machine in which a casing has a side surface in which a suction port is provided. A block prevention guard is attached to the side surface of the casing. The block prevention guard comprises a top surface opening formed in the block prevention guard to at least partially overlap the suction port. The block prevention guard further comprises a plurality of legs standing from the side surface of the casing to maintain the top surface opening at a distance from the side surface. In addition to the top surface surface, an air flow window is formed between two adjacent legs in the circumferential direction of the top surface opening.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: December 3, 2019
    Assignee: YAMABIKO CORPORATION
    Inventors: Masahiko Takashima, Yusuke Kinoshita
  • Publication number: 20190119057
    Abstract: Provided is a paper feeding roll that is capable of reducing conveying noise and suppressing adhesion of paper dust. A paper feeding roll (10) is provided with: a shaft body (12); and an elastic body layer (14) that is formed on the outer circumference of the shaft body (12), wherein the elastic body layer (14) is a foamed body that contains hydrin rubber, and has a cavity (18) formed of foaming cells (16) being connected with one another is located radially inward of the elastic body layer (14). The average diameter of the foaming cells (16) located inward of the elastic body layer (14) in the radial direction is larger than the average diameter of the foaming cells (16) located outward in the radial direction. Recesses (20b) formed of foaming cells (16) being opened are provided to the outer circumferential surface (14b) of the elastic body layer (14).
    Type: Application
    Filed: December 17, 2018
    Publication date: April 25, 2019
    Applicant: Sumitomo Riko Company Limited
    Inventors: Masahiko TAKASHIMA, Kazuhiro DOI, Atsuhiro KAWANO, Daisuke INOUE
  • Publication number: 20170241443
    Abstract: Provided is a portable power working machine in which suction of clothing to a safety guard can be reliably prevented and the amount of a portion protruding laterally from one side surface portion of a fan case can be reduced so as to enable a required air blowing performance to be obtained without causing an increase in size or weight or deterioration of the operability thereof. A suction port for inhaling air is provided on one side surface portion of a fan case of an air blower, and a safety guard is provided in the suction port. Further, the one side surface portion of the fan case has attached thereto a block prevention guard that has a top surface portion with a top surface opening facing the suction port, three leg portions for allowing the top surface opening to face the suction port with a predetermined distance therebetween, and a lattice provided in the top surface opening.
    Type: Application
    Filed: December 29, 2016
    Publication date: August 24, 2017
    Inventors: Masahiko TAKASHIMA, Yusuke KINOSHITA
  • Publication number: 20170007087
    Abstract: To provide a vacuum cleaner capable of effectively preventing damage to a fan and a fan case without significantly decreasing the suction force. The vacuum cleaner includes a suction portion, a centrifugal separation portion, and a first collection portion that are provided on an upstream side of a fan stored in a fan case; and a second collection portion provided on a downstream side of the fan. The vacuum cleaner is configured to, with rotation of the fan, separate a part of air introduced into the centrifugal separation portion via the suction portion to the first collection portion side, thereby collecting sucked objects contained in the air into the first collection portion, and separate another part of the air introduced into the centrifugal separation portion to the fan side, thereby collecting sucked objects contained in the air into the second collection portion.
    Type: Application
    Filed: June 24, 2016
    Publication date: January 12, 2017
    Inventors: Keita KAMO, Masahiko TAKASHIMA
  • Patent number: 9288363
    Abstract: A television receiver includes: an edge gradient direction setting section configured to set an edge gradient direction of an interpolation pixel by use of input pixels within a reference block; a temporary reference coordinate setting section (65) configured to set four reference pixels to be vertices of a parallelogram having two sides perpendicular to the edge gradient direction; a reference pixel value setting section (66) configured to set, by use of the input pixels within the reference block regardless of whether a first reference pixel and/or a second reference pixel of the four reference pixels is/are located inside or outside the reference block, reference pixel values which are pixel values of the respective four reference pixels; and an interpolation pixel value calculating section (67) configured to calculate a pixel value of the interpolation pixel by use of the reference pixel values of the respective four reference pixels.
    Type: Grant
    Filed: October 15, 2013
    Date of Patent: March 15, 2016
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Masahiko Takashima, Toyohisa Matsuda
  • Publication number: 20150288851
    Abstract: A television receiver includes: an edge gradient direction setting section configured to set an edge gradient direction of an interpolation pixel by use of input pixels within a reference block; a temporary reference coordinate setting section (65) configured to set four reference pixels to be vertices of a parallelogram having two sides perpendicular to the edge gradient direction; a reference pixel value setting section (66) configured to set, by use of the input pixels within the reference block regardless of whether a first reference pixel and/or a second reference pixel of the four reference pixels is/are located inside or outside the reference block, reference pixel values which are pixel values of the respective four reference pixels; and an interpolation pixel value calculating section (67) configured to calculate a pixel value of the interpolation pixel by use of the reference pixel values of the respective four reference pixels.
    Type: Application
    Filed: October 15, 2013
    Publication date: October 8, 2015
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Masahiko Takashima, Toyohisa Matsuda
  • Patent number: 6908419
    Abstract: An electrically conductive roll includes a center shaft, an electrically conductive elastic layer formed on an outer circumferential surface of the center shaft, and a resistance adjusting layer formed radially outwardly of the electrically conductive elastic layer. The resistance adjusting layer is formed of a rubber composition which includes a rubber material, a thermoplastic resin having crosslinkable double bonds, at least one electron-conductive agent, at least one ion-conductive agent, and at least one electrically insulating filler. The thermoplastic resin, the at least one electron-conductive agent, the at least one ion-conductive agent, and the at least one electrically insulating filler are included in the rubber composition in respective amounts of 3-40 parts by weight, 10-150 parts by weight, not greater than 2 parts by weight, and 20-80 parts by weight, per 100 parts by weight of the rubber material.
    Type: Grant
    Filed: August 27, 2003
    Date of Patent: June 21, 2005
    Assignee: Tokai Rubber Industries, Ltd.
    Inventors: Masahiko Takashima, Nobuya Yoshida, Satoshi Tatsumi, Tetsuya Itoh, Kenichi Tsuchiya, Jiro Iwashiro
  • Patent number: 6733853
    Abstract: The polyester-based resin composition of the present invention comprises a melt blend (C) consisting of a polyamide resin (A) and a polyester resin (B). The polyester-based resin composition satisfies the following formulas 1 and 2: P×C/100≦25  (1) Y/X×100≧90  (2) wherein P is a concentration, ppm, of a phosphorus compound in the polyamide resin (A) in terms of phosphorus atom; C is a content, % by mass, of the polyamide resin (A) in the melt blend (C); X is a lightness of a 2-mm thick plate which is molded only from the polyester resin (B); and Y is a lightness of a 2-mm thick plate which is molded from the melt blend (C).
    Type: Grant
    Filed: February 25, 2002
    Date of Patent: May 11, 2004
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Masahiko Takashima, Koji Yamamoto, Hiroyuki Nanba