Patents by Inventor Koji Hirata

Koji Hirata 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: 11960225
    Abstract: An image forming apparatus includes, an image forming portion configured to form a toner image on a sheet using printing toner and apply powder adhesive on the sheet, a fixing portion configured to heat the toner image formed on the sheet and the powder adhesive applied on the sheet by the image forming portion and fix the toner image and the powder adhesive to the sheet, and a bonding portion configured to bond the sheet with the powder adhesive by reheating the sheet having been heated by the fixing portion. The bonding portion is arranged above the image forming portion.
    Type: Grant
    Filed: May 12, 2022
    Date of Patent: April 16, 2024
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Koji Yamaguchi, Kohei Matsuda, Hiroki Ogino, Yasushi Katsuta, Kaori Noguchi, Junko Hirata, Akira Kuroda, Yuki Nishizawa, Tsutomu Shimano, Toru Oguma
  • Publication number: 20240103351
    Abstract: An information display system having acute-angled diffusion characteristics configured to display an image to inside or outside of a space via a transparent projected member, the information display system including an image projection apparatus, a transparent sheet provided on an inner surface of a display region set on a part of the projected member; and a light direction changing unit that directs a direction of image light toward the transparent sheet of the display region, the image projection apparatus including an image light characteristic converting unit, and an image light control film that restricts an emission direction of the image light being provided on an upper surface of the image projection apparatus, so that the image light is not directly delivered to an observer and the image light reflected by the transparent sheet is recognized by the observer.
    Type: Application
    Filed: December 8, 2023
    Publication date: March 28, 2024
    Applicant: Maxell, Ltd.
    Inventors: Koji HIRATA, Toshinori SUGIYAMA, Koji FUJITA, Eiji TAKAGI
  • Publication number: 20240092172
    Abstract: An information display apparatus and a spatial sensing apparatus for the information display apparatus are provided, the information display apparatus enabling the selection/change of the lot of display images in small point-of-view motion so that an interactive function for a driver is achieved. An information display apparatus displaying information onto a vehicle includes: an information display apparatus displaying image information onto an image display region on a forward part of a driver seat of the vehicle; and a spatial sensing means detecting positional information of instruction made by a driver in a spatial region between the driver seat and the displayed image display region, and the information display apparatus includes a means displaying the instruction made by the driver onto the image display region on the forward part in response to the positional information of the instruction made by the driver, detected by the spatial sensing means.
    Type: Application
    Filed: November 29, 2023
    Publication date: March 21, 2024
    Inventors: Koji HIRATA, Koji FUJITA, Eiji TAKAGI
  • Patent number: 11931895
    Abstract: A robot control system includes circuitry configured to: determine a necessity of assisting a robot to complete an automated work, based on environment information of the robot; select a remote operator from candidate remote operators based on stored operator data in response to determining that it is necessary to assist the robot to complete the automated work; transmit the environment information to the selected remote operator via a communication network; receive an operation instruction based on the environment information from the selected remote operator via the communication network; and control the robot to complete the automated work based on the operation instruction.
    Type: Grant
    Filed: July 8, 2021
    Date of Patent: March 19, 2024
    Inventors: Hiroyuki Handa, Koji Sokabe, Keita Shimamoto, Masaru Adachi, Ryokichi Hirata
  • Patent number: 11933980
    Abstract: The information display apparatus configured to display video information of a virtual image on a reflecting surface of conveyance includes: a display configured to display the video information; and a virtual image optical system configured to display a virtual image at a front of the conveyance by reflecting light emitted from the display by means of the reflecting surface. The virtual image optical system includes a concave mirror and an optical element. The optical element is arranged between the display and the concave mirror, and is configured to correct distortion of the virtual image obtained so as to correspond to a viewpoint position of a driver on a basis of a shape of the concave mirror and a shape of the optical element. The information display apparatus further includes a virtual image double image conversion reducer configured to reduce double image conversion of the virtual image.
    Type: Grant
    Filed: April 26, 2023
    Date of Patent: March 19, 2024
    Assignees: MAXELL, LTD., HITACHI INDUSTRY & CONTROL SOLUTIONS, LTD.
    Inventors: Koji Hirata, Masahiko Yatsu, Toshinori Sugiyama, Kazuomi Kaneko
  • Patent number: 11921287
    Abstract: The information display apparatus has a housing with an opening and a transparent cover formed on the opening, the housing includes image-light generating means configured to generate image light that displays the image information and an optical system configured to allow a driver of the vehicle to recognize image information based on the image light from the image-light generating means as a virtual image in front of the windshield. When S-polarized light on the windshield is assumed to be a first polarized wave while polarized light that orthogonally crosses the S-polarized light in a polarizing direction is assumed to be a second polarized wave, the image-light generating means is configured to generate the image light made of the first polarized wave, and a transmittance/reflectance control means blocks a part of the first polarized wave and the second polarized wave of incident external light entering the housing from the opening.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: March 5, 2024
    Assignee: MAXELL, LTD.
    Inventors: Tomoki Yamamoto, Toshinori Sugiyama, Koji Hirata, Masahiko Yatsu
  • Publication number: 20240069341
    Abstract: An object of the present invention is to provide a head-up display apparatus further reduced in size, the head-up display apparatus having: an image display apparatus including a light source and a display element; and a virtual image optical system in which light emitted from the image display apparatus is reflected by a windshield or a combiner of the vehicle so that a virtual image is displayed in front of the vehicle, wherein the virtual image optical system has a concave mirror and a distortion correcting lens, and the distortion correcting lens is disposed between the image display apparatus and the concave mirror, the concave mirror is disposed in a housing including an outer case along a shape of an effective light path area of the image light from the image display apparatus, and the image display apparatus is attached to part of an outer periphery of the housing.
    Type: Application
    Filed: November 7, 2023
    Publication date: February 29, 2024
    Inventors: Akio MISAWA, Nozomu SHIMODA, Kazuomi KANEKO, Koji HIRATA, Toshinori SUGIYAMA
  • Publication number: 20240062889
    Abstract: A medical information processing device according to an embodiment includes processing circuitry configured to acquire information on a cause of damage to a site of a patient, to specify an area where the damage is present in a medical image including the site, and to determine an amount of cells for cell therapy for the damage to the site on the basis of the acquired information on the cause and the specified area where the damage is present.
    Type: Application
    Filed: August 18, 2023
    Publication date: February 22, 2024
    Applicants: CANON MEDICAL SYSTEMS CORPORATION, Canon Kabushiki Kaisha
    Inventors: Koji HIRATA, Katsuhiko FUJIMOTO, Tomoki FUJITO
  • Publication number: 20240061240
    Abstract: A compact air floating video display apparatus providing a highly visually recognized air floating video less susceptible to external light and having fewer ghosts is provided. The air floating video display apparatus includes: an opening portion having a transparent member configured to transmit video light of a specific polarization wave therethrough; a display panel serving as a video source; a light source configured to supply light having specific polarization directionality to the video source; a retroreflection optical member having a retroreflection surface provided with a waveplate; one or more reflection mirrors; a polarization splitter arranged in a space connecting the video source and the retroreflection optical member.
    Type: Application
    Filed: December 1, 2021
    Publication date: February 22, 2024
    Applicant: Maxell, Ltd.
    Inventors: Koji HIRATA, Koji FUJITA, Toshinori SUGIYAMA
  • Publication number: 20240052292
    Abstract: A cell management system according to an embodiment includes an analysis apparatus and a determination apparatus. The analysis apparatus acquires a first identification code from a processing sample from which a cell used for treatment is produced, or from a processed product based on the processing sample, and acquires a second identification code from a reference sample. Based on the first identification code and the second identification code, the determination apparatus determines the consistency of a subject from whom the processing sample is obtained and a subject from whom the reference sample is obtained.
    Type: Application
    Filed: August 10, 2023
    Publication date: February 15, 2024
    Applicants: CANON MEDICAL SYSTEMS CORPORATION, Canon Kabushiki Kaisha
    Inventors: Mayumi SAKAGAMI, Koji HIRATA
  • Publication number: 20240045227
    Abstract: A compact and portable air floating video display apparatus includes a housing that can be installed in a bottle holder in a vehicle. A video display apparatus, a beam splitter, a retroreflector, a retardation plate, and a plane mirror are provided in the housing. In the air floating video display apparatus, a video light of a specific polarized wave from the video display apparatus is reflected by the plane mirror, transmitted through the beam splitter, and subjected to polarization conversion by being reflected by the retroreflector and passing through the retardation plate. Then, the video light is reflected by the beam splitter and transmitted through the window, thereby displaying an air floating video outside the apparatus.
    Type: Application
    Filed: March 10, 2022
    Publication date: February 8, 2024
    Applicant: Maxell, Ltd.
    Inventors: Hiroaki TAKAHASHI, Koji HIRATA, Koji FUJITA, Toshinori SUGIYAMA
  • Publication number: 20240036634
    Abstract: A technique suitable when an air floating video is used as a non-contact user interface is provided. An air floating video display apparatus includes: a sensor for detecting a state of operation including a position of a hand finger of a user with respect to an air region including a plane of the air floating video or an object displayed on the plane; and a fingertip tactile sense generator which generates texture of a sense of touch on the hand finger by forming, based on information detected by the sensor, sound pressure based on an ultrasonic wave in vicinity of a position of the hand finger.
    Type: Application
    Filed: December 20, 2021
    Publication date: February 1, 2024
    Applicant: Maxell, Ltd.
    Inventors: Hiroaki TAKAHASHI, Koji HIRATA, Koji FUJITA, Toshinori SUGIYAMA
  • Publication number: 20240036313
    Abstract: A head-up display apparatus includes a display panel configured to display an image, and a reflecting mirror configured to reflect light from the display panel. An optical distance between the reflecting mirror and the display panel is changed to continuously change a display position of a virtual image from a distant place to an adjacent position such that a virtual image obtained by being reflected at an upper portion of a windshield is formed farther than a virtual image obtained by being reflected at a lower portion of the windshield when viewed from a viewpoint position of a driver.
    Type: Application
    Filed: October 16, 2023
    Publication date: February 1, 2024
    Inventors: Koji HIRATA, Masahiko YATSU, Toshinori SUGIYAMA, Kazuomi KANEKO, Shigeki HOSHINO
  • Patent number: 11878586
    Abstract: An information display apparatus and a spatial sensing apparatus for the information display apparatus are provided, the information display apparatus enabling the selection/change of the lot of display images in small point-of-view motion so that an interactive function for a driver is achieved. An information display apparatus displaying information onto a vehicle includes: an information display apparatus displaying image information onto an image display region on a forward part of a driver seat of the vehicle; and a spatial sensing means detecting positional information of instruction made by a driver in a spatial region between the driver seat and the displayed image display region, and the information display apparatus includes a means displaying the instruction made by the driver onto the image display region on the forward part in response to the positional information of the instruction made by the driver, detected by the spatial sensing means.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: January 23, 2024
    Assignee: MAXELL, LTD.
    Inventors: Koji Hirata, Koji Fujita, Eiji Takagi
  • Patent number: 11880125
    Abstract: An information display system having acute-angled diffusion characteristics configured to display an image to inside or outside of a space via a transparent projected member, the information display system including an image projection apparatus, a transparent sheet provided on an inner surface of a display region set on a part of the projected member; and a light direction changing unit that directs a direction of image light toward the transparent sheet of the display region, the image projection apparatus including an image light characteristic converting unit, and an image light control film that restricts an emission direction of the image light being provided on an upper surface of the image projection apparatus, so that the image light is not directly delivered to an observer and the image light reflected by the transparent sheet is recognized by the observer.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: January 23, 2024
    Assignee: MAXELL, LTD.
    Inventors: Koji Hirata, Toshinori Sugiyama, Koji Fujita, Eiji Takagi
  • Publication number: 20240019715
    Abstract: An air floating video display apparatus includes a display apparatus configured to display a video, a retroreflector configured to reflect video light from the display apparatus and form an air floating video in air by the reflected light, a sensor configured to detect a touch operation by a finger of a user on one or more objects displayed in the air floating video, and a controller. When the user performs the touch operation on the object, the controller assists the touch operation for the user based on a detection result of the touch operation by the sensor.
    Type: Application
    Filed: December 13, 2021
    Publication date: January 18, 2024
    Applicant: Maxell, Ltd.
    Inventors: Katsuyuki WATANABE, Takuya SHIMIZU, Koji HIRATA, Koji FUJITA, Toshinori SUGIYAMA
  • Publication number: 20240004216
    Abstract: An air-floating-video display apparatus includes a Liquid Crystal Display panel, a light source apparatus configured to supply a light in a specific polarization direction to the LCD panel, and a retroreflector that includes a phase difference plate on a retroreflection surface. A polarization separation member is disposed in a space between the LCD panel and the retroreflector. The polarization separation member is configured to once transmit a video light of a specific polarization from the LCD panel to the retroreflector, perform polarization conversion on the video light by the retroreflector and convert the video light into a video light of another polarization to cause the video light to be reflected by the polarization separation member, and display an air-floating-video as a real image at a side opposite to the LCD panel in a transparent member through which the video light of the specific polarization passes.
    Type: Application
    Filed: November 26, 2021
    Publication date: January 4, 2024
    Applicant: Maxell, Ltd.
    Inventors: Koji HIRATA, Koji FUJITA, Toshinori SUGIYAMA
  • Publication number: 20240005825
    Abstract: An aerial floating image display apparatus includes a display apparatus configured to generate an image, a retroreflector configured to reflect image light from the display apparatus, and an imager, and if a plurality of persons appear in a captured image generated by the imager, the aerial floating image display apparatus displays, as an aerial floating image, information for notifying a user of the aerial floating image display apparatus of being peeked.
    Type: Application
    Filed: November 10, 2021
    Publication date: January 4, 2024
    Inventors: Hiroaki TAKAHASHI, Yusuke UCHIYAMA, Koji HIRATA, Koji FUJITA, Toshinori SUGIYAMA
  • Patent number: 11846776
    Abstract: An object of the present invention is to provide a head-up display apparatus further reduced in size, the head-up display apparatus having: an image display apparatus including a light source and a display element; and a virtual image optical system in which light emitted from the image display apparatus is reflected by a windshield or a combiner of the vehicle so that a virtual image is displayed in front of the vehicle, wherein the virtual image optical system has a concave mirror and a distortion correcting lens, and the distortion correcting lens is disposed between the image display apparatus and the concave mirror, the concave mirror is disposed in a housing including an outer case along a shape of an effective light path area of the image light from the image display apparatus, and the image display apparatus is attached to part of an outer periphery of the housing.
    Type: Grant
    Filed: July 21, 2022
    Date of Patent: December 19, 2023
    Assignee: MAXELL, LTD.
    Inventors: Akio Misawa, Nozomu Shimoda, Kazuomi Kaneko, Koji Hirata, Toshinori Sugiyama
  • Publication number: 20230386430
    Abstract: An information display apparatus capable of reducing the viewpoint movement of a driver and achieving safer driving in consideration of the relationship between the traveling speed and the stopping distance of a vehicle is provided. The information display apparatus is configured to display image information in a transportation and comprises a HUD apparatus disposed between a windshield of the transportation and an instrument panel of the transportation. The HUD apparatus detects a viewpoint position of a driver; and displays a virtual image of the image information in front of the transportation by reflecting light emitted from the HUD apparatus to display the image information by the windshield. The HUD apparatus is configured to set a display position of the virtual image in accordance with movement of the viewpoint position of the driver who is driving the transportation.
    Type: Application
    Filed: August 16, 2023
    Publication date: November 30, 2023
    Applicant: Maxell, Ltd.
    Inventors: Koji HIRATA, Akio MISAWA, Takumi NAKADA