Patents Assigned to Ricoh Company, Ltd.
  • Publication number: 20200201028
    Abstract: A light deflection device includes a reflector; a drive beam supporting the reflector such that the reflector is movable; a supporting section supporting the drive beam; and a piezoelectric drive circuit disposed on the drive beam. The light deflection device further includes circuitry configured to output a first drive-voltage waveform and a second drive-voltage waveform to the piezoelectric drive circuit. The first drive-voltage waveform has a period of a positive slope within one cycle, the period of the positive slope includes a period of a first slope and a period of a second slope different from the first slope. The second drive-voltage waveform has a period of a negative slope within one cycle, and the period of the negative slope includes a period of a third slope and a period of a fourth slope different from the third slope.
    Type: Application
    Filed: October 21, 2019
    Publication date: June 25, 2020
    Applicant: Ricoh Company, Ltd.
    Inventors: AKITOSHI MOCHIDA, TOMOHIKO KAMATANI
  • Publication number: 20200204692
    Abstract: An image processing apparatus includes: an automatic document feeder; a document placement table; a document detector provided on at least one of the automatic document feeder and the document placement table, the document detector being configured to detect a document; and circuitry to cause a display to display one of a first screen that receives an input for selecting an orientation of a document placed on the automatic document feeder and a second screen that receives an input for selecting the orientation of the document placed on the document placement table, based on a detection result of the document detector.
    Type: Application
    Filed: October 2, 2019
    Publication date: June 25, 2020
    Applicant: Ricoh Company, Ltd.
    Inventor: SHIN YAMAUCHI
  • Publication number: 20200198379
    Abstract: A medium cutter includes a conveyor configured to convey a medium in a conveyance direction, a cutter configured to cut the medium from one end of medium in a cutting direction orthogonal to the conveyance direction, a first holder movable to contact a first surface of the one end of medium, and a second holder configured to contact a second surface of the one end of medium opposite the first surface. The first holder is disposed downstream of the cutter in the conveyance direction, and the first holder moves to the one end of medium to pinch and hold the one end of medium between the first holder and the second holder.
    Type: Application
    Filed: December 12, 2019
    Publication date: June 25, 2020
    Applicant: Ricoh Company, Ltd.
    Inventor: Hirotaka Endo
  • Publication number: 20200201229
    Abstract: A remaining toner amount detecting apparatus includes two electrodes; a remaining toner amount detector configured to detect a remaining toner amount in a toner container based on a capacitance between the two electrodes; a storage configured to store a first capacitance value between the two electrodes preliminarily detected in a non-disposed state in which the toner container is not disposed between the two electrodes; and an abnormality detector configured to detect an abnormality of the remaining toner amount detecting apparatus based on the first capacitance value stored in the storage and a second capacitance value between the two electrodes that is detected in the non-disposed state.
    Type: Application
    Filed: December 13, 2019
    Publication date: June 25, 2020
    Applicant: Ricoh Company, Ltd.
    Inventor: Yuji IEIRI
  • Publication number: 20200201008
    Abstract: An optical system includes a reflective optical system on a magnification side along an optical path of the projection optical system and a refractive optical system on a reduction side along the optical path. The reflective optical system includes one reflective optical element having a power. The refractive optical system includes a front group on the magnification side and a rear group on the reduction side. The front group having, in order from the magnification side toward the reduction side, a first lens group with a positive or negative refractive power, a second lens group, and a third lens group with a positive refractive power. The rear group has a positive refractive power. The first lens group moves to the magnification side, and the second lens group and the third lens group move to the reduction side in a change in focus from a long distance to a short distance.
    Type: Application
    Filed: March 4, 2020
    Publication date: June 25, 2020
    Applicant: Ricoh Company, Ltd.
    Inventors: Yohei TAKANO, Hibiki TATSUNO, Yasuyuki SHIBAYAMA
  • Patent number: 10694051
    Abstract: An image handling apparatus is disclosed, including an operation panel, hardware resources, a transferring part, and an image generation controlling part. The transferring part transfers image handle information input at the input screen to an external apparatus. The image generation controlling part receives and parses image generation information for at least one of the hardware resources to execute an image generation based on the image handle information, from the external apparatus in response to an instruction of the image generation, so that at least one of the hardware resources executes the image generation.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: June 23, 2020
    Assignee: RICOH COMPANY, LTD.
    Inventor: Shohhei Moroi
  • Patent number: 10691049
    Abstract: A fixing device includes a fixing rotator and a pressure rotator that is disposed opposite the fixing rotator. A nip former is disposed inside a loop formed by the fixing rotator and disposed opposite the pressure rotator via the fixing rotator to form a fixing nip between the fixing rotator and the pressure rotator. The fixing rotator slides over the nip former. A flange supports the fixing rotator at both lateral ends of the fixing rotator in a longitudinal direction of the fixing rotator. The nip former includes a base and a thermal conductor that has a thermal conductivity greater than a thermal conductivity of the base. The base is greater than the thermal conductor in the longitudinal direction of the fixing rotator. The base includes a groove that is disposed outboard at least from the thermal conductor in the longitudinal direction of the fixing rotator.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: June 23, 2020
    Assignee: RICOH COMPANY, LTD.
    Inventors: Ippei Fujimoto, Hiroyuki Shimada, Yoshiki Yamaguchi, Takashi Seto, Takayuki Seki
  • Patent number: 10692180
    Abstract: An image processing apparatus includes a memory and circuitry. The circuitry is configured to calculate a pixel scale factor for each of pixel positions in a main scanning direction of an input image for a line based on a magnification. The circuitry is configured to store, in the memory, the pixel scale factors calculated for the line in order of pixel position. The circuitry is configured to read, in parallel, N-number of pixel scale factors of the pixel scale factors for the line in order of pixel position from the memory, in synchronization with parallel reading of N-number of pixels in the main scanning direction from the input image, where N represents an integer not smaller than 2. The circuitry is configured to multiply, in parallel, the N-number of pixels read from the input image by the respective N-number of pixel scale factors read from the memory.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: June 23, 2020
    Assignee: RICOH COMPANY, LTD.
    Inventor: Tasuku Nagai
  • Patent number: 10689221
    Abstract: A sheet processing apparatus includes: a conveying unit configured to convey a sheet along a sheet conveyance path; a conveyance-path supporting unit configured to support both ends of the sheet conveyance path with respect to a direction perpendicular to a sheet conveying direction; a first stitching unit configured to stitch the sheets conveyed; a second stitching unit configured to stitch the sheets conveyed; a first moving unit configured to move the first stitching unit in a direction perpendicular to the sheet conveying direction; and a second moving unit configured to move the second stitching unit in a direction perpendicular to the sheet conveying direction, wherein any one of the first stitching unit and the second stitching unit is movable to outside of the conveyance-path supporting unit.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: June 23, 2020
    Assignee: RICOH COMPANY, LTD.
    Inventors: Koki Sakano, Nobuyoshi Suzuki, Hidehiko Fujiwara, Yuusuke Shibasaki, Wataru Takahashi, Katsuhiro Kosuge, Makoto Hidaka, Shohichi Satoh, Akira Kunieda, Takuya Morinaga, Yohsuke Haraguchi
  • Patent number: 10692409
    Abstract: An information processing apparatus configured to paste a full-spherical panoramic image along an inner wall of a virtual three-dimensional sphere; calculate an arrangement position for arranging a planar image closer to a center point of the virtual three-dimensional sphere than the inner wall, in such an orientation that a line-of-sight direction from the center point to the inner wall and a perpendicular line of the planar image are parallel to each other, the planar image being obtained by pasting an embedding image to be embedded in the full-spherical panoramic image, on a two-dimensional plane; and display a display image on a display unit. The display image is a two-dimensional image viewed from the center point in the line-of-sight direction in a state in which the full-spherical panoramic image is pasted along the inner wall of the virtual three-dimensional sphere and the planar image is arranged at an arrangement position.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: June 23, 2020
    Assignee: RICOH COMPANY, LTD.
    Inventor: Taketo Chiba
  • Patent number: 10688811
    Abstract: A gas blower includes a supply port, a chamber to which a gas is fed from the supply port, a nozzle communicating with an interior of the chamber to discharge the gas from the nozzle, a partition member disposed in the chamber to partition the interior of the chamber into a first space including the supply port and a second space not including the supply port, the partition member including at least one first opening through which the gas communicates between the first space and the second space, and an air flow guide including a plurality of second openings, disposed in the chamber between the second space and the nozzle. The supply port is disposed on one end in a longitudinal direction of the chamber.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: June 23, 2020
    Assignee: Ricoh Company, Ltd.
    Inventors: Hideaki Nishimura, Toshihiro Yoshinuma
  • Patent number: 10691987
    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 17, 2019
    Date of Patent: June 23, 2020
    Assignee: RICOH COMPANY, LTD.
    Inventors: Tadashi Kaiba, Shuusei Murai
  • Patent number: 10694066
    Abstract: An electronic whiteboard includes a power button, a display device, and circuitry that implements processes of detecting an operation of the power button being turned off, storing at least a part of visible information displayed on the display device from a time the power button was turned on until a time the power button was turned off in a first storage device upon detecting that the power button has been turned off, determining whether to display the visible information stored in the first storage device on the display device based on a first time corresponding to a power-on time recorded when the power button was turned on and a second time corresponding to the power-off time recorded immediately before the first time when the power button was turned off, and controlling the display device to display the stored visible information upon determining to display the stored visible information.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: June 23, 2020
    Assignee: Ricoh Company, Ltd.
    Inventors: Ayako Watanabe, Yoshiko Aono, Yasuhiro Kuba, Eiji Kemmochi
  • Patent number: 10693092
    Abstract: A photoelectric conversion element is provided. The photoelectric conversion element comprises a substrate, a first electrode, an electron transport layer, a hole transport layer, and a second electrode. The electron transport layer comprises a photosensitizing compound. The hole transport layer comprises a basic compound A and an ionic compound B. The basic compound A is represented by the following formula (1): where each of R1 and R2 independently represents an alkyl group or an aromatic hydrocarbon group, or R1 and R2 share bond connectivity to form a nitrogen-containing heterocyclic ring; and the ionic compound B is represented by the following formula (2): where X+ represents a counter cation.
    Type: Grant
    Filed: January 2, 2018
    Date of Patent: June 23, 2020
    Assignee: Ricoh Company, Ltd.
    Inventors: Yuuji Tanaka, Tsuyoshi Matsuyama, Tamotsu Horiuchi, Takahiro Ide, Tokushige Kino, Shigeyo Suzuki, Naomichi Kanei
  • Patent number: 10691973
    Abstract: An image scanning device including an image sensor, an operation unit, and circuitry. The circuitry acquires reference-image data and comparative-image data output from the image sensor when a predetermined time elapses after acquiring the reference-image data. The circuitry further divides each of the reference-image data and the comparative-image data into a plurality of image areas, extracts a feature point of a given pixel for each of the plurality of image areas of each of the reference-image data and the comparative-image data, compares pixel values of feature points in the same coordinate to determine a difference in pixel value, identifies an image area including at least one feature point having a difference in pixel value, and identifies a direction of flip of pages of the document based on the image area including the at least one feature point having the difference in pixel value.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: June 23, 2020
    Assignee: Ricoh Company, Ltd.
    Inventors: Masayuki Yabuuchi, Naoki Goh
  • Patent number: 10689222
    Abstract: A sheet processing apparatus includes a rotatable pressing member, a guide, and a contact member. The rotatable pressing member includes a pressing portion that is disposed in a predetermined range in a rotation direction of the pressing member to press a folded portion of a sheet. The guide is disposed opposite the pressing member. The contact member contacts the guide and is rotatably disposed at at least one end of the pressing member in an axial direction of the pressing member.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: June 23, 2020
    Assignee: RICOH COMPANY, LTD.
    Inventors: Fumiharu Yoneyama, Shinji Asami, Akira Kunieda, Tomohiro Furuhashi, Michitaka Suzuki, Tomomichi Hoshino, Makoto Hidaka, Koki Sakano, Takuya Morinaga, Yohsuke Haraguchi
  • Patent number: 10689536
    Abstract: An ink is provided. The ink includes a colorant, an organic solvent, a resin particle including an anionic urethane resin, and an organic amine compound having a boiling point in the range of from 120° C. to 200° C. and a molecular weight of 100 or less, and water, and the mass ratio of the organic amine compound to the resin particle is in the range of from 0.01 to 1.00.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: June 23, 2020
    Assignee: Ricoh Company, Ltd.
    Inventors: Amika Sagara, Hidetoshi Fujii, Michihiko Namba, Hiroaki Takahashi, Kiminori Masuda
  • Patent number: 10690879
    Abstract: A lens barrel includes a movable device to adjust an optical system, an operation section, and a display section. The operation section has a coupling section to be coupled with the movable device to control movement of the movable device. The display section is disposed in line with the operation section in a direction around an optical axis of the lens barrel to overlap with the operation section in a direction of the optical axis. The display section includes a display body that is movable in displaying a state of the optical system adjusted by the movable device. The display body of the display section is disposed to overlap the coupling section of the operation section in a radial direction of the lens barrel.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: June 23, 2020
    Assignee: Ricoh Company, Ltd.
    Inventor: Takahiro Ooya
  • Publication number: 20200195858
    Abstract: An imaging device further includes a correction gain calculating unit configured to calculate a first correction gain of a first partial image captured by the first imaging element and calculate a second correction gain of a second partial image captured by the second imaging element based on the first exposure amount and the second exposure amount; a photographing processing unit configured to make an imaging element having a smaller one of the first exposure amount and the second exposure amount image with an exposure amount of the imaging element and makes an imaging element having a larger one of the first exposure amount and the second exposure amount image with the third exposure amount; and an image correction unit configured to correct the first partial image with the first correction gain and correct the second partial image with the second correction gain calculated by the correction gain calculating unit.
    Type: Application
    Filed: February 26, 2020
    Publication date: June 18, 2020
    Applicant: Ricoh Company, Ltd.
    Inventor: Yasuhiro KAZAMA
  • Publication number: 20200195809
    Abstract: An information processing system includes a storage storing flow information in association with application identification information, for each application for executing a sequence of processes, the flow information defining program identification information and an execution order of the programs; a storage storing screen information in association with the application identification information for each application; a transmitter for sending, to a device, the screen information associated with the application identification information, when a first request including the application identification information is received from the device; a receiver for receiving a second request including information relating to the electronic data specified by a user in the screen displayed on the first device; an acquirer for acquiring the flow information associated with the application identification information; and an executor for executing the programs identified by the program identification information.
    Type: Application
    Filed: February 25, 2020
    Publication date: June 18, 2020
    Applicant: Ricoh Company, Ltd.
    Inventors: Yuuichiroh HAYASHI, Dongzhe ZHANG, Ryutaro SAKANASHI