Patents Assigned to Ricoh Company, Ltd.
  • Patent number: 11006042
    Abstract: An imaging device includes a plurality of image sensors, and circuitry configured to determine whether a difference between average brightness values of first image data and second image data, both captured by a same image sensor, is equal to or greater than a first threshold. The second image data is captured at a timing later than capture of the first image data. The circuitry perform one of a) output of image data captured by a rest of the plurality of image sensors excluding the one of the plurality of image sensors and b) composition of the image data captured by the rest of the plurality of image sensors, in response to a determination that the difference in average brightness value is equal to or greater than the first threshold and the average brightness value of the second image data is equal to or smaller than a second threshold.
    Type: Grant
    Filed: May 21, 2020
    Date of Patent: May 11, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Koji Takatsu, Susumu Fujioka
  • Patent number: 11006047
    Abstract: An imaging apparatus including an incline detection device configured to detect an incline of the imaging apparatus, an image display device configured to display an image based on the image information, an incline computation device configured to compute an incline information that corresponds to a magnitude of the incline, an information storage device configured to store the incline information that is computed by the incline computation device, and a display processing device configured to display the image and an incline guide display corresponding to the incline information upon a screen of the image display device. The display processing device is configured to change a display format of the incline guide display in accordance with the magnitude of the incline.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: May 11, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Takuroh Yasuda, Yohsuke Suzuki, Atsushi Matsutani, Takashi Maki
  • Patent number: 11005916
    Abstract: A mobile device includes a file information acquiring unit, a file information display unit that displays the file information acquired on a display unit, a file presence identifying unit that determines whether or not a file specified by file information designated by a user from among the file information displayed on the display unit is stored in a storage unit, a first file transmitting unit that transmits the stored file to another mobile device when the file presence identifying unit determines that the file is stored in the internal storage unit, a file acquiring unit that downloads the file specified by the designated file information from the server when the file presence identifying unit determines that the file is not stored in the internal storage unit, and a second file transmitting unit that transmits the file acquired by the file acquiring unit to the other mobile device.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: May 11, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Takahiro Imamichi, Takaaki Harada
  • Patent number: 11006016
    Abstract: An image forming apparatus is configured to form an image on a recording medium by scanning of the image forming apparatus by a user. The image forming apparatus includes an image forming device and processing circuitry. The image forming device includes a plurality of image forming arrays. Each of the image forming arrays includes an image forming portion configured to form the image. The processing circuitry is configured to set an image forming array to be used to form the image, according to a use mode of the image forming apparatus.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: May 11, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Ko Tokumaru, Jun Shiori, Takuya Murata, Yuji Tanaka, Takahisa Koike
  • Patent number: 11001070
    Abstract: Apparatus and method for providing a print fluid to a flow-through printhead. The printhead has a row of jetting channels configured to jet droplets of a print fluid, a supply manifold fluidly coupled to the row of jetting channels, and a return manifold fluidly coupled to the row of jetting channels. A first reservoir is fluidly coupled to the supply manifold, and a second reservoir is fluidly coupled to the return manifold. The first reservoir and the second reservoir are fluidly isolated except through the printhead.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: May 11, 2021
    Assignee: Ricoh Company, Ltd.
    Inventor: Hiroshi Nishimura
  • Patent number: 11006008
    Abstract: An image forming apparatus are installed with a plurality of applications each for executing at least one of a plurality of functions of the image forming apparatus. The image forming apparatus includes a memory to store first information associating each of the plurality of applications with at least one of the plurality of functions executed by the application. The image forming apparatus further includes circuitry configured to: set, for each of the plurality of functions, restriction information indicating whether or not to restrict use of the function; and control, in a screen including icons each for starting a corresponding one of the plurality of applications, a display state of each of the icons of the applications based on the restriction information set by the circuitry for the function associated with the application by the first information.
    Type: Grant
    Filed: January 28, 2020
    Date of Patent: May 11, 2021
    Assignee: Ricoh Company, Ltd.
    Inventor: Takuya Mori
  • Patent number: 11001075
    Abstract: A printing method includes discharging a first white ink comprising a first white pigment and a second white ink containing a second white pigment by a discharging head, wherein the following relationship is satisfied: |RA?RB|?0.5, where RA represents a refractive index of the first white pigment and RB represents a refractive index of the second white pigment.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: May 11, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Hiroshi Gotou, Tomohiro Hirade
  • Patent number: 11001065
    Abstract: A roll device includes a feeding roll in which a web is wound, a winding roll configured to wind the web fed from the feeding roll, and a partition disposed between an outermost winding portion of the web fed from the feeding roll and an inner winding portion of the web overlapped with the outermost winding portion.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: May 11, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Kenta Takahashi, Yukihiro Asano, Daisuke Hasebe, Tatsuroh Watanabe
  • Patent number: 11002887
    Abstract: An image display apparatus includes: a light source to emit light; a lens array including a plurality of lenses arranged therein; and an image forming device to form an image with the emitted light on the lens array. The light corresponding to the formed image is transmitted from the lens array to be reflected by a reflective surface to visualize the formed image into a virtual image. At least two of the plurality of lenses of the lens array have curvatures different from each other.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: May 11, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Makoto Inamoto, Daisuke Ichii
  • Patent number: 11001072
    Abstract: Liquid discharge head comprising: liquid discharge unit, which includes discharge port, liquid retaining section configured to retain liquid to be discharged from the discharge port, and displacement section configured to discharge the liquid retained within the liquid retaining section from the discharge port; a pair of liquid storage sections, which are configured to store the liquid and are each connected to the liquid retaining section in the liquid discharge unit so that the liquid can flow; a pair of liquid feeding sections that are connected to the pair of liquid storage sections and are configured to feed the liquid between the liquid storage section and the liquid retaining section; and a pair of open and close sections that are each disposed at flow path between the liquid feeding section and the liquid storage section and are configured to open and close the flow path.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: May 11, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Manabu Yamanaka, Daisuke Takagi, Shinnosuke Koshizuka, Hiroshi Fujie, Takeshi Akai, Yu Yamaya, Youhei Niitsuma
  • Patent number: 11003964
    Abstract: A predetermined area of a print surface is captured by a camera as a plurality of subdivided images to include an end edge portion of a previously printed image on a coating-target object, the end edge portion serving as a connection portion with an image to be drawn to be printed contiguous to the printed image, a composite print surface, which is a plane projection of the print-target surface which is non-plane, is created on the basis of the captured subdivided images, an edited image to be drawn is created by superimposing the image to be drawn on the composite print surface, and the image to be drawn is adjacently printed contiguous to the printed image on the basis of the edited image to be drawn.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: May 11, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Tadashi Kaiba, Shuusei Murai
  • Patent number: 11003119
    Abstract: A fixing device includes a rotary endless fixing belt; a nip forming member disposed in an interior of the fixing belt; a rotary opposed member to contact the nip forming member via the fixing belt to form a nip together with the fixing belt; a heat source to directly heat the fixing belt at a portion other than the nip, including at lease one heat-generation part disposed outside lateral ends of a maximum area of the fixing belt where a recording medium passes through, wherein a recording medium carrying an unfixed image is conveyed to the nip and the fixing device fixes the unfixed image onto the recording medium; and a shielding member disposed between the fixing belt and the heat generation part of the heat source and configured to shield heat from the heat source at least at an area outside the maximum passing area of the recording medium.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: May 11, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Takamasa Hase, Hiroshi Yoshinaga, Takeshi Uchitani, Yutaka Ikebuchi, Takuya Seshita, Shuutaroh Yuasa
  • Patent number: 11003124
    Abstract: An image forming apparatus including an image forming unit, a fixing device, and circuitry is provided. The image forming unit is configured to perform a special image forming operation that forms a color toner image and a special toner image with a color toner and a special toner, respectively, on a recording medium and a normal image forming operation that forms the color toner image without forming the special toner image on the recording medium. The fixing device is configured to fix the color toner image and the special toner image on the recording medium. The circuitry is configured to perform, in the special image forming operation, a toner amount suppression control that makes an amount of the color toner on the recording medium per unit area smaller than that in the normal image forming operation.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: May 11, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Masato Tanaka, Keiji Kunimi, Masaki Yoshino, Kazumi Suzuki
  • Patent number: 11003399
    Abstract: An image forming apparatus includes circuitry to receive a file including data of a plurality of pages and position information indicating individual positions of data of the plurality of pages. The circuitry further starts printing of one of the plurality of pages based on data specified by specifying information that indicates a position of data of one of the plurality of pages. The circuitry further starts the printing of one of the plurality of pages when receiving the specifying information before the position information.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: May 11, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventor: Junji Suzuki
  • Patent number: 11004215
    Abstract: Disclosed is an image processing apparatus that includes one or more processors; and a memory, the memory storing instructions. When executed by the one or more processors, cause the one or more processors to: generate distribution data indicating a frequency distribution of horizontal distance values of a range image based on the range image having pixel values according to distance of an object in a plurality of captured images; predict a predicted position of the object in the distribution data with respect to a range image of a current frame, based on the distribution data with respect to range images of a plurality of previous frames; and continue tracking of the object, based on a similarity between a region of the object in a previous frame and a region in the current frame with respect to the predicted position of the object.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: May 11, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Genki Watanabe, Keito Sawada, Hiroyoshi Sekiguchi
  • Publication number: 20210132524
    Abstract: A nozzle insertion member is in a powder container that includes a nozzle insertion opening into which a conveying nozzle is inserted. The nozzle insertion member includes an opening/closing structure to move to an opening position to open the nozzle insertion opening by being pressed by the inserted conveying nozzle, and to a closing position to close the nozzle insertion opening when the conveying nozzle is separated from the nozzle insertion member, and a seal arranged at the nozzle insertion opening and including a through hole into which the conveying nozzle is insertable. The opening/closing structure includes a front cylindrical portion to contact with an inner surface of the through hole, and a slide area formed on another side relative to the front cylindrical portion. W1<W4 is satisfied, where W1 is an inner diameter of the through hole, and W4 is an outer diameter of the slide area.
    Type: Application
    Filed: January 5, 2021
    Publication date: May 6, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: Kenji KIKUCHI, Shinji TAMAKI, Shunji KATOH, Junji YAMABE
  • Publication number: 20210132938
    Abstract: An information processing apparatus includes a memory, and a processor coupled to the memory and configured to acquire first update data used to update a program and including first version information of the program, from another apparatus connected via a network. The program causes the information processing apparatus to execute a process. The processor is further configured to acquire second version information of second update data from the other apparatus in response to an instruction to stop the operation of the information processing apparatus. The second version information is a latest version of the program available from the other apparatus. The processor is further configured to update the program based on the first update data in a case where the first version information matches the second version information.
    Type: Application
    Filed: October 29, 2020
    Publication date: May 6, 2021
    Applicant: Ricoh Company, Ltd.
    Inventor: Yoshimitsu OGURA
  • Publication number: 20210134288
    Abstract: An information processing apparatus, an information processing system, and an information processing method. The information processing apparatus identifies a work target and work content of work, based on first voice data sent from a terminal for inputting utterance about the work by a worker, determines whether the work content indicated by the first voice data satisfies predetermined condition based on the work target and work content of work that are identified, and when the work content indicated by the first voice data does not satisfy the condition, controls to transmit to the terminal of transmission source of the first voice data, notification indicating that the condition is not satisfied.
    Type: Application
    Filed: October 21, 2020
    Publication date: May 6, 2021
    Applicant: Ricoh Company, Ltd.
    Inventor: KAZUKI OHNISHI
  • Publication number: 20210132538
    Abstract: An image forming apparatus includes an image bearer; a first power supply configured to generate a first voltage applied to the image bearer according to a first voltage control signal; a second power supply configured to generate a second voltage, which has a polarity opposite to a polarity of the first voltage, applied to the image bearer according to a second voltage control signal; and circuitry. The circuitry is configured to generate the first voltage control signal and the second voltage control signal, detect an overcurrent in the image forming apparatus as an abnormality; and set a mask period for masking detection of the abnormality in response to an input of the second voltage control signal after an input of the first voltage control signal.
    Type: Application
    Filed: August 26, 2020
    Publication date: May 6, 2021
    Applicant: Ricoh Company, Ltd.
    Inventor: YUUSUKE YAMAMOTO
  • Publication number: 20210132874
    Abstract: An information processing system includes a plurality of imaging devices, and an information processing device. The information processing device includes a receiving unit configured to receive work process data indicating items of multiple work processes; a first image of a first form including first job ID information; and information indicating that multiple pieces are obtained from a first deliverable corresponding to the first form, in a first work process from among the multiple work processes. The information processing device includes a job-ID generating unit configured to generate a second job ID in which distinguishing information is added to a first job ID. The information processing device includes a color-code image generating unit configured to generate second color code data based on the second job ID.
    Type: Application
    Filed: January 15, 2021
    Publication date: May 6, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: Hajime KAWASAKI, Makoto AOKI