Patents by Inventor Tatsuya Koyama

Tatsuya Koyama 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).

  • Image Forming Apparatus
    Publication number: 20200192256
    Abstract: An image forming apparatus has a heating roller and a pressing roller, a nip being formed therebetween, and a controller configured to perform a heating controlling process of raising the temperature of the heating roller toward a fixing temperature, a rotational controlling process of rotating the heating roller and the pressing roller when a detected temperature of the heating roller is equal to or higher than a first threshold temperature, and a conveyance controlling process of conveying the sheet toward the developing device when the detected temperature is equal to or higher than a second temperature higher than the first temperature and lower than the fixing temperature. The controller is configured to set the first temperature to be lower in a case where a nip width is the second width than in a case where the nip width is the first width.
    Type: Application
    Filed: December 3, 2019
    Publication date: June 18, 2020
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Tatsuya KOYAMA
  • IMAGE DISPLAY METHOD, IMAGE DISTRIBUTION METHOD, IMAGE DISPLAY APPARATUS, AND IMAGE DISTRIBUTION APPARATUS
    Publication number: 20200195997
    Abstract: An image display method includes receiving an integrated image in which low-resolution images of a scene from different viewpoints are arranged, displaying the integrated image such that a low-resolution image among the low-resolution images is displayed in a first size, receiving a high-resolution image having a same viewpoint as the low-resolution image, the high-resolution image having a higher resolution than the low-resolution image, displaying the high-resolution image in a second size larger than the first size, and displaying the low-resolution image in a third size larger than the first size after the integrated image is displayed and before the high-resolution image is displayed in the second size.
    Type: Application
    Filed: February 26, 2020
    Publication date: June 18, 2020
    Inventors: Satoshi YOSHIKAWA, Toshiyasu SUGIO, Toru MATSUNOBU, Tatsuya KOYAMA, Masaki FUKUDA
  • Image forming apparatus and sheet feeding method
    Patent number: 10684579
    Abstract: An image forming apparatus configured to, in a case where a temperature of a heating unit is lower than a first temperature when receiving a printing command, start feeding of a sheet based on an elapsed time which is time elapsed from a predetermined timing after start of heating of the heating unit until the temperature of the heating unit has reached a second temperature higher than a first temperature and lower than a fixing temperature, the feeding of the sheet being started based on a timing at which the temperature of the heating unit has reached the second temperature in a case where the elapsed time is equal to or longer than a first time, and the feeding of the sheet being started when or after the first time has elapsed from the predetermined timing in a case where the elapsed time is shorter than the first time.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: June 16, 2020
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Kotaro Fujishiro, Tatsuya Koyama
  • Display method and display device for providing surrounding information based on driving condition
    Patent number: 10679406
    Abstract: A display method is a display method performed by a display device that operates in conjunction with a mobile object, and includes: determining which one of first surrounding information, which is video showing a surrounding condition of the mobile object and is generated using two-dimensional information, and second surrounding information, which is video showing the surrounding condition of the mobile object and is generated using three-dimensional data, is to be displayed, based on a driving condition of the mobile object; and displaying the one of the first surrounding information and the second surrounding information that is determined to be displayed.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: June 9, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
    Inventors: Tatsuya Koyama, Takahiro Nishi, Toshiyasu Sugio, Tadamasa Toma, Satoshi Yoshikawa, Toru Matsunobu
  • Image forming apparatus
    Patent number: 10571838
    Abstract: A controller of an image forming apparatus executes acquisition processing of acquiring an area of an image which exists in a predetermined region of a first page where a developer image is first to be formed, heating processing of heating a heating member such that a temperature of the heating member reaches a fixing temperature, and feeding processing of starting feed of a sheet to a process unit after a predetermined period of time elapses from a predetermined timing after a start of print processing. The predetermined region is laid at both end portions in a width direction of the first page. In a case where the area of the image is equal to or smaller than a predetermined value, the controller sets the predetermined period of time in the feeding processing shorter as compared with a case where the area of the image is larger than the predetermined value.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: February 25, 2020
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Fumitake Tajiri, Yusuke Mizuno, Tatsuya Koyama, Hisashi Tsukawaki
  • IMAGE DISPLAY METHOD AND IMAGE DISPLAY APPARATUS
    Publication number: 20200059675
    Abstract: An image display method includes displaying an integrated video in which videos of a scene from different viewpoints are arranged in a frame, the videos including at least one real video and at least one virtual video generated from the at least one real video. A first user interface into which a first operation is input is displayed. Viewpoints of the displayed videos are changed according to the first operation. A second user interface into which a second operation is input is displayed. A playing speed of the displayed videos is changed according to the second operation.
    Type: Application
    Filed: October 24, 2019
    Publication date: February 20, 2020
    Inventors: Satoshi YOSHIKAWA, Toshiyasu SUGIO, Toru MATSUNOBU, Tatsuya KOYAMA
  • IMAGING SYSTEM, CALIBRATION METHOD, AND CALIBRATOR
    Publication number: 20200034989
    Abstract: A calibrator for cameras includes a controlling circuit, a photographing circuit, a calculating circuit, and an instructing circuit. The controlling circuit is configured to control a movable body in a shooting area of the cameras. A marker is provided on the movable body for calibration of the cameras. The photographing circuit is configured to control the cameras to photograph the marker at a first position at a first timing to generate first images. The photographing circuit is configured to control the cameras to photograph the marker at a second position at a second timing to generate second images. The calculating circuit is configured to calculate parameters of the cameras based on the first images and the second images. The instructing circuit is configured to transmit the parameters to the cameras to calibrate the cameras.
    Type: Application
    Filed: September 24, 2019
    Publication date: January 30, 2020
    Inventors: Tatsuya KOYAMA, Toshiyasu SUGIO, Yoichi SUGINO, Toru MATSUNOBU, Satoshi YOSHIKAWA
  • IMAGING SYSTEM, CALIBRATION METHOD, AND CALIBRATOR
    Publication number: 20200027242
    Abstract: A calibrator for a camera includes a controlling circuit, a photographing circuit, a calculating circuit, and an instructing circuit. The controlling circuit is configured to control a movable body to move into a shooting area of the camera. A marker is provided on the movable body for calibration of the camera. The photographing circuit is configured to control the camera to photograph the marker. The calculating circuit is configured to calculate at least one parameter of the camera based on the photographed marker. The instructing circuit is configured to transmit the at least one parameter to the camera to calibrate the camera.
    Type: Application
    Filed: September 20, 2019
    Publication date: January 23, 2020
    Inventors: Tatsuya KOYAMA, Toshiyasu SUGIO, Yoichi SUGINO, Toru MATSUNOBU, Satoshi YOSHIKAWA
  • Steel for carbonitrided bearing
    Patent number: 10538832
    Abstract: Provided is a steel for carbonitrided bearing which excels in hardenability and also excels in toughness, wear resistance, and surface-originated flaking life after quenching and tempering. A steel for carbonitrided bearing of the present embodiment has a chemical composition containing, in mass %, C: 0.22 to 0.45%, Si: not more than 0.50%, Mn: 0.40 to 1.50%, P: not more than 0.015%, S: not more than 0.005%, Cr: 0.30 to 2.0%, Mo: 0.10 to 0.35%, V: 0.20 to 0.40%, Al: 0.005 to 0.10%, N: not more than 0.030%, and O: not more than 0.0015%, with the balance being Fe and impurities, and satisfying Formulae (1) and (2). 1.20<0.4Cr+0.4Mo+4.5V<2.60??(1) 2.7C+0.4Si+Mn+0.8Cr+Mo+V>2.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: January 21, 2020
    Assignees: NIPPON STEEL CORPORATION, JTEKT CORPORATION
    Inventors: Yutaka Neishi, Takahisa Suzuki, Tatsuya Koyama, Shingo Yamasaki, Kohei Kanetani, Takashi Sada
  • IMAGE DISTRIBUTION METHOD AND IMAGE DISPLAY METHOD
    Publication number: 20190379917
    Abstract: An image distribution method includes generating an integrated image in which images are arranged. The images are generated by shooting a scene from respective different viewpoints. The images include a virtual image generated from a real image. The image distribution method includes distributing the integrated image to image display apparatuses provided to display at least one of the images.
    Type: Application
    Filed: August 26, 2019
    Publication date: December 12, 2019
    Inventors: Toshiyasu SUGIO, Toru MATSUNOBU, Satoshi YOSHIKAWA, Tatsuya KOYAMA, Yoichi SUGINO
  • FREE-VIEWPOINT VIDEO GENERATING METHOD AND FREE-VIEWPOINT VIDEO GENERATING SYSTEM
    Publication number: 20190364265
    Abstract: A free-viewpoint video generating method includes obtaining a multi-viewpoint video including N videos of N viewpoints (N being an integer greater than 1), and generating a free-viewpoint video of a virtual viewpoint based on the multi-viewpoint video such that the free-viewpoint video shows target areas and has a first resolution higher than each of resolutions of the N videos, the virtual viewpoint being different from the N viewpoints. For each target area, the generating includes: referring to a three-dimensional model generated based on the N videos to specify N reference areas which are shown by the N videos and which correspond to the each target area in the free-viewpoint video; and calculating components of pixels to represent the each target area in the free-viewpoint video, based on components of pixels to represent the N reference areas in the N videos.
    Type: Application
    Filed: August 7, 2019
    Publication date: November 28, 2019
    Inventors: Toru MATSUNOBU, Toshiyasu SUGIO, Satoshi YOSHIKAWA, Tatsuya KOYAMA, Yoichi SUGINO
  • THREE-DIMENSIONAL RECONSTRUCTION METHOD, THREE-DIMENSIONAL RECONSTRUCTION APPARATUS, AND GENERATION METHOD FOR GENERATING THREE-DIMENSIONAL MODEL
    Publication number: 20190333269
    Abstract: A three-dimensional reconstruction method includes: reconstructing a first three-dimensional model from a first multi-viewpoint image obtained by shooting a real space, and reconstructing a second three-dimensional model from a second multi-viewpoint image obtained by shooting the real space at a different time; and matching world coordinate systems of the first three-dimensional model and the second three-dimensional model.
    Type: Application
    Filed: July 12, 2019
    Publication date: October 31, 2019
    Inventors: Toru MATSUNOBU, Toshiyasu SUGIO, Satoshi YOSHIKAWA, Tatsuya KOYAMA, Yoichi SUGINO
  • THREE-DIMENSIONAL MODEL DISTRIBUTION METHOD, THREE-DIMENSIONAL MODEL RECEIVING METHOD, THREE-DIMENSIONAL MODEL DISTRIBUTION DEVICE, AND THREE-DIMENSIONAL MODEL RECEIVING DEVICE
    Publication number: 20190311526
    Abstract: A three-dimensional model distribution method includes generating a depth image from a three-dimensional model; and distributing the depth image and information for restoring the three-dimensional model from the depth image.
    Type: Application
    Filed: June 24, 2019
    Publication date: October 10, 2019
    Inventors: Toshiyasu SUGIO, Toru MATSUNOBU, Satoshi YOSHIKAWA, Tatsuya KOYAMA, Yoichi SUGINO
  • THREE-DIMENSIONAL MODEL DISTRIBUTION METHOD AND THREE-DIMENSIONAL MODEL DISTRIBUTION DEVICE
    Publication number: 20190281274
    Abstract: A three-dimensional model distribution method includes: distributing a first model, which is a three-dimensional model of a target space in a target time period, in a first distribution mode; and distributing a second model, which is a three-dimensional model of the target space in the target time period and makes a smaller change per unit time than the first model, in a second distribution mode different from the first distribution mode.
    Type: Application
    Filed: May 28, 2019
    Publication date: September 12, 2019
    Inventors: Toshiyasu SUGIO, Toru MATSUNOBU, Satoshi YOSHIKAWA, Tatsuya KOYAMA, Yoichi SUGINO
  • Image Forming Apparatus and Sheet Feeding Method
    Publication number: 20190265619
    Abstract: An image forming apparatus configured to, in a case where a temperature of a heating unit is lower than a first temperature when receiving a printing command, start feeding of a sheet based on an elapsed time which is time elapsed from a predetermined timing after start of heating of the heating unit until the temperature of the heating unit has reached a second temperature higher than a first temperature and lower than a fixing temperature, the feeding of the sheet being started based on a timing at which the temperature of the heating unit has reached the second temperature in a case where the elapsed time is equal to or longer than a first time, and the feeding of the sheet being started when or after the first time has elapsed from the predetermined timing in a case where the elapsed time is shorter than the first time.
    Type: Application
    Filed: February 27, 2019
    Publication date: August 29, 2019
    Inventors: Kotaro Fujishiro, Tatsuya Koyama
  • IMAGE FORMING APPARATUS
    Publication number: 20190265622
    Abstract: A controller of an image forming apparatus executes acquisition processing of acquiring an area of an image which exists in a predetermined region of a first page where a developer image is first to be formed, heating processing of heating a heating member such that a temperature of the heating member reaches a fixing temperature, and feeding processing of starting feed of a sheet to a process unit after a predetermined period of time elapses from a predetermined timing after a start of print processing. The predetermined region is laid at both end portions in a width direction of the first page. In a case where the area of the image is equal to or smaller than a predetermined value, the controller sets the predetermined period of time in the feeding processing shorter as compared with a case where the area of the image is larger than the predetermined value.
    Type: Application
    Filed: February 25, 2019
    Publication date: August 29, 2019
    Applicant: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Fumitake TAJIRI, Yusuke MIZUNO, Tatsuya KOYAMA, Hisashi TSUKAWAKI
  • DISPLAY METHOD AND DISPLAY DEVICE
    Publication number: 20190251743
    Abstract: A display method is a display method performed by a display device that operates in conjunction with a mobile object, and includes: determining which one of first surrounding information, which is video showing a surrounding condition of the mobile object and is generated using two-dimensional information, and second surrounding information, which is video showing the surrounding condition of the mobile object and is generated using three-dimensional data, is to be displayed, based on a driving condition of the mobile object; and displaying the one of the first surrounding information and the second surrounding information that is determined to be displayed.
    Type: Application
    Filed: April 23, 2019
    Publication date: August 15, 2019
    Inventors: Tatsuya KOYAMA, Takahiro NISHI, Toshiyasu SUGIO, Tadamasa TOMA, Satoshi YOSHIKAWA, Toru MATSUNOBU
  • Fixing device provided with insulator and restriction member supporting the same
    Patent number: 10379484
    Abstract: A fixing device includes: a rotary body, a heater having one end and another end, a first power supply cord having one end portion connected to the one end of the heater, a first insulator, a second power supply cord having one end portion connected to the other end of the heater, a second insulator, a support frame, and a restriction member. The first insulator holds both the one end of the heater and the one end portion of the first power supply cord. The second insulator holds both the other end of the heater and the one end portion of the second power supply cord. The support frame includes a first support portion supporting the first insulator and a second support portion supporting the second insulator. The restriction member is detachably attachable to the support frame and restricts movement of the first insulator in a first direction.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: August 13, 2019
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventor: Tatsuya Koyama
  • Carbonitrided bearing part
    Patent number: 10358706
    Abstract: Provided is a carbonitrided bearing part which has high hardenability and toughness, and is excellent in wear resistance and surface-originated flaking life. A carbonitrided bearing part of the present embodiment has a chemical composition containing, in mass %, C: 0.15 to 0.45%, Si: not more than 0.50%, Mn: 0.40 to 1.50%, P: not more than 0.015%, S: not more than 0.005%, Cr: 0.30 to 2.0%, Mo: 0.10 to 0.35%, V: 0.20 to 0.40%, Al: 0.005 to 0.10%, N: not more than 0.030%, and O: not more than 0.0015%, with the balance being Fe and impurities, and satisfying Formulae (1) and (2). At surface, C concentration is 0.7 to 1.2%, N concentration is 0.15 to 0.6%, and Rockwell hardness HRC is 58 to 65. 1.20<0.4Cr+0.4Mo+4.5V<2.60??(1) 2.7C+0.4Si+Mn+0.8Cr+Mo+V>2.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: July 23, 2019
    Assignees: NIPPON STEEL & SUMITOMO METAL CORPORATION, JTEKT CORPORATION
    Inventors: Yutaka Neishi, Takahisa Suzuki, Tatsuya Koyama, Shingo Yamasaki, Kohei Kanetani, Takashi Sada
  • THREE-DIMENSIONAL DATA CREATION METHOD AND THREE-DIMENSIONAL DATA CREATION DEVICE
    Publication number: 20190204076
    Abstract: A three-dimensional data creation method for use in a vehicle including a sensor and a data receiver that transmits and receives three-dimensional data to and from an external device. The three-dimensional data creation method includes: creating second three-dimensional data based on information detected by the sensor and first three-dimensional data received by the data receiver; and transmitting, to the external device, third three-dimensional data that is part of the second three-dimensional data.
    Type: Application
    Filed: March 12, 2019
    Publication date: July 4, 2019
    Inventors: Takahiro NISHI, Tadamasa TOMA, Toshiyasu SUGIO, Toru MATSUNOBU, Satoshi YOSHIKAWA, Tatsuya KOYAMA