Patents Assigned to Ricoh Company, Ltd.
  • Publication number: 20240121353
    Abstract: A transmission management apparatus manages transmission states of a plurality of transmission terminals including a first transmission terminal and a second transmission terminal.
    Type: Application
    Filed: December 15, 2023
    Publication date: April 11, 2024
    Applicant: Ricoh Company, Ltd.
    Inventors: Yoshinaga KATO, Taro OKUYAMA
  • Publication number: 20240116729
    Abstract: A paper feeding device includes: a bearing base to which a spool inserted into a paper roll, around which a paper is wound, is detachably attachable; a support including: a leading-end detection sensor to detect a leading end of the paper on the paper roll and output a sensor signal; and a roller disposed at a position in the support different from the leading-end detection sensor in a circumferential direction of the paper roll, to cause the leading-end detection sensor and the roller to contact a surface of the paper roll attached to the bearing base; and to cause the leading-end detection sensor and the roller to be directed toward an axial center of the spool; and a motor to rotate the spool in a feeding direction to feed the paper and in a reverse direction opposite to the feeding direction.
    Type: Application
    Filed: September 29, 2023
    Publication date: April 11, 2024
    Applicant: Ricoh Company, Ltd.
    Inventors: Takeshi IWASAKI, Daiki SATOH, Katsumi OKADA
  • Publication number: 20240117206
    Abstract: An ink contains water, a coloring material, a resin, and an organic solvent, wherein the dried layer of the ink has a surface free energy ?S having a polar component ?Sp of from 3.5 to 20 J/m2 at 25 degrees C.
    Type: Application
    Filed: September 22, 2023
    Publication date: April 11, 2024
    Applicant: Ricoh Company, Ltd.
    Inventors: Mayumi YOSHIHARA, Michihiko Namba, Takashi Tamai, Shin Hasegawa, Yuta Nakamura, Daiki Hasebe
  • Publication number: 20240119880
    Abstract: A display device, a display control method, a non-transitory recoding medium, and a display system. The display device receives an image from a terminal device by wireless communication, outputs the image to a display, acquires operation information on the image being displayed at the display, and displays a first display component together with the image, the first display component for receiving an operation that executes to stop the output of the image and restrict transmission of the operation information to the terminal device.
    Type: Application
    Filed: August 28, 2023
    Publication date: April 11, 2024
    Applicant: Ricoh Company, Ltd.
    Inventor: Kohdai Asanuma
  • Publication number: 20240118648
    Abstract: A heating device includes a planar heater, a heating rotator, a pressure rotator, and one or more charge eliminators. The planar heater includes a base and a resistive heat generator. The heating rotator contacts the heater and includes a conductive layer. The pressure rotator presses the heating rotator and has an outer surface including a conductive material. The one or more charge eliminators contact the conductive layer and the outer surface of the pressure rotator.
    Type: Application
    Filed: April 25, 2022
    Publication date: April 11, 2024
    Applicant: Ricoh Company, Ltd.
    Inventors: Tomoya ADACHI, Yuusuke FURUICHI
  • Patent number: 11953662
    Abstract: A zoom lens includes a first lens group having positive refractive power, a second lens group having negative refractive power, and a rear group. The second lens group consists of a second sub-first lens group having positive or negative power, and a second sub-second lens group having negative power. The second sub-second lens group consists of, sequentially from the object side toward the image: a positive second-first lens component; a negative second-second lens component; and a negative second-third lens component. During zooming from a short focal length end to a long focal length end, a distance between the first lens group and the second lens group increases, and a distance between the second lens group and the rear group decreases. A part of the second lens group is movable in a direction perpendicular to an optical axis during correction of image blurring.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: April 9, 2024
    Assignee: RICOH COMPANY, LTD.
    Inventor: Tomoya Koga
  • Patent number: 11951746
    Abstract: A device (1) for controlling user access to at least one container (4) for dispensing printing material housed by a printing apparatus (5), the device (1) comprising an openable and closable barrier (2) corresponding to the container (4) and a lock for locking the barrier (2) in a closed position. The lock is overlapped by at least a portion of the barrier (2) both when the barrier (2) is in the closed position and when the barrier (2) is in an open position.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: April 9, 2024
    Assignee: Ricoh Company, Ltd.
    Inventors: James R. Pryde, Mark Smith, Robert Hargreaves
  • Patent number: 11951662
    Abstract: A foamed sheet including: a polylactic acid; and a filler, wherein the foamed sheet has a compressive stress of 0.2 Mpa or less when the cushioning coefficient of the foamed sheet is 10 or less; and wherein the foamed sheet has a puncture strength of 2 N or more when the sheet thickness of the foamed sheet is 2 mm.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: April 9, 2024
    Assignee: RICOH COMPANY, LTD.
    Inventors: Taichi Nemoto, Shizuka Hashida, Yoshimitsu Kumai, Ryo Miyakoshi, Tomoharu Miki
  • Patent number: 11953843
    Abstract: A powder container includes a powder chamber for containing powder for forming images, a powder outlet formed in a face of the powder container, and a shutter assembly to open and close the powder outlet and including first and second shutters. The first shutter is movable between a sealing position to close the powder outlet and an open position to open the powder outlet and includes a pressed member to cancel retention of the first shutter at the sealing position. The second shutter includes a pressing projection that interferes with the pressed member of the first shutter and is movable between a shielding position to cover the pressed member without interference between the pressing projection and the pressed member and a releasing position to press the pressed member with the pressing projection.
    Type: Grant
    Filed: July 13, 2022
    Date of Patent: April 9, 2024
    Assignee: RICOH COMPANY, LTD.
    Inventors: Kentaro Nodera, Emi Kita, Akihiro Takayama, Susumu Tateyama, Shinnosuke Koshizuka, Tatsuya Kubo, Teppei Kikuchi
  • Patent number: 11954343
    Abstract: An apparatus, system, and method are provided each of which stores data that is received in a memory; acquires transfer history information indicating a transfer state of the data, from an information processing system configured to transfer the data to an external storage; identifies data to be transmitted from within the data stored in the memory, based on the transfer history information; and transmits the identified data to the information processing system.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: April 9, 2024
    Assignee: Ricoh Company, Ltd.
    Inventor: Yusuke Shibata
  • Patent number: 11954519
    Abstract: An information processing apparatus includes a memory and processing circuitry. The memory stores log data generated by an execution of a process. The processing circuity stops the execution of the process in a state where the process is being executed and when an amount of the log data in the memory is larger than a first threshold, and restarts the execution of the process in a state where the execution of the process is stopped and when the amount of the log data in the memory is smaller than a second threshold that is smaller than the first threshold.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: April 9, 2024
    Assignee: Ricoh Company, Ltd.
    Inventor: Masahiko Uejo
  • Patent number: 11956403
    Abstract: A system is disclosed. The system includes at least one physical memory device to store edge enhancement logic and one or more processors coupled with the at least one physical memory device to execute the edge enhancement logic to receive a plurality of pels in a continuous tone image (CTI), receive compensation data for pel forming elements associated with each of the plurality of pels, receive edge enhancement transfer functions, determine whether each of the plurality of pels is an edge pel, perform edge enhancement processing for each of the determined edge pels, including generating a final pel value for the pel based on the pel value for the pel, the edge enhancement transfer function associated with the pel, and the compensation data associated with the pel and perform compensation processing for each of the determined not edge pels, including generating a final pel value for the pel based on the pel value for the pel, and the compensation data associated with the pel.
    Type: Grant
    Filed: March 10, 2023
    Date of Patent: April 9, 2024
    Assignee: Ricoh Company, Ltd.
    Inventors: Walter F. Kailey, Claudiu Attila Balogh, Mikel Stanich
  • Patent number: 11956547
    Abstract: An image capturing device includes an imaging device and circuitry. The imaging device captures an image. The circuitry defines a point of interest in the image, converts the defined point of interest in accordance with attitude information of the image capturing device, and cuts out a viewable area from the image. The viewable area includes the converted point of interest.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: April 9, 2024
    Assignee: RICOH COMPANY, LTD.
    Inventors: Hideki Shiro, Kenichiro Morita, Hidekuni Annaka, Takeshi Homma, Takuya Soneda, Tomonori Aikawa, Takafumi Takeda
  • Patent number: 11951834
    Abstract: An information provision device, information provision method, and a non-transitory recording medium storing a program for causing a computer to execute the information provision method. Each of the information provision device and the information provision method includes projecting an image light to a light transmission member to display a for-driver information image indicating for-driver information to be provided to a driver of a mobile object in a prescribed display area, and displaying at a first point where a normal for-driver information image is displayed a priority for-driver information image in place of the normal for-driver information image, where the displaying includes displaying the normal for-driver information image at a second point different from the first point for at least some of a period during which the priority for-driver information image is displayed at the first point.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: April 9, 2024
    Assignee: Ricoh Company, Ltd.
    Inventors: Yoshiaki Nishizaki, Michinari Shinohara
  • Patent number: 11956405
    Abstract: An information processing apparatus includes: circuitry that converts: a total-amount restriction value that is input into a value corresponding to a gradation value; for each of colors of color materials included in an image forming apparatus, convert a gradation value of color information into a value of a color material amount normalized using a gradation value of the color of the color information; perform total-amount restriction on the normalized and converted value of the color material amount of the each of the colors based on the converted value corresponding to the gradation value; and convert the value of the color material amount of the each of the colors after the total-amount restriction into the gradation value of the each of the colors.
    Type: Grant
    Filed: October 10, 2022
    Date of Patent: April 9, 2024
    Assignee: Ricoh Company, Ltd.
    Inventor: Paru Kondo
  • Patent number: 11953816
    Abstract: A wavelength conversion plate includes a conversion region and a reflection region on a base surface. The conversion region includes a wavelength conversion member configured to receive excitation light and generate a color different from a color of the excitation light. The reflection region is configured to reflect the excitation light. The reflection region includes a transmissive diffusion surface, a transmissive layer, and a reflection surface. The transmissive diffusion surface is configured to diffuse the excitation light. The transmissive layer is configured to transmit the excitation light. The reflection surface is configured to reflect the excitation light. The transmissive diffusion surface is in a position separate from a surface closer to the base surface, of the wavelength conversion member, toward a direction from which the excitation light is incident.
    Type: Grant
    Filed: July 25, 2022
    Date of Patent: April 9, 2024
    Assignee: RICOH COMPANY, LTD.
    Inventors: Kazuhiro Fujita, Yohei Takano, Kasumi Nakamura
  • Patent number: 11955640
    Abstract: An inorganic particle layer for use in an electrode of a non-aqueous electrolyte power storage element is provided. The inorganic particle layer includes an inorganic particle and a polymer. The inorganic particle is insulating and has a surface potential. The polymer has an ionic functional group (A) and an ion-conducting functional group (B) each charged opposite to the surface potential of the inorganic particle. The inorganic particle and the polymer are bonded to each other.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: April 9, 2024
    Assignee: Ricoh Company, Ltd.
    Inventors: Yuu Zama, Masahiro Masuzawa, Kohji Matsuoka, Hideo Yanagita, Ryuji Higashi, Anna Hirowatari
  • Patent number: 11956301
    Abstract: A transmission management system includes a destination name data managing unit which manages a plurality of destination name data items which indicate a plurality of names of a destination in communications between transmission terminals, a destination name data reading unit which reads a destination name data item from the plurality of destination name data items managed by the destination name data managing unit, and a destination name data transmitting unit which transmits the destination name data item read by the destination name data reading unit to a transmission terminal capable of communicating with the destination.
    Type: Grant
    Filed: June 14, 2022
    Date of Patent: April 9, 2024
    Assignee: RICOH COMPANY, LTD.
    Inventors: Kaoru Maeda, Takahiro Asai
  • Patent number: 11956392
    Abstract: An image forming apparatus includes a conveyer configured to convey a recording medium on which a mark is formed; an image reader configured to read an image formed on the recording medium while the recording medium is being conveyed; a detector configured to detected a value corresponding to a conveyance amount of the recording medium conveyed by the conveyer and output the detected value; and a processor and a memory that stores program instructions causing the processor to calculate a position of the mark on the recording medium with respect to a conveyance direction of the recording medium based on respective detected values output from the detector when an edge of the recording medium and the mark are read by the image reader.
    Type: Grant
    Filed: September 28, 2021
    Date of Patent: April 9, 2024
    Assignee: Ricoh Company, Ltd.
    Inventors: Yoshihiro Takahashi, Noboru Hirano
  • Publication number: 20240109322
    Abstract: A maintenance device includes: a cap detachably contactable with a nozzle face of a liquid discharge head; a suction device to suck liquid from the cap; a waste liquid storage to store the liquid sucked from the cap by the suction device; a waste liquid channel connecting the cap and the waste liquid storage; a cleaning liquid storage storing a cleaning liquid to be supplied to the cap; and a cleaning liquid channel connecting the cap and the cleaning liquid storage. The suction device sucks: the waste liquid in the cap to discharge the waste liquid to the waste liquid storage through the waste liquid channel; and the cleaning liquid in the cleaning liquid storage to supply the cleaning liquid to the cap through the cleaning liquid channel.
    Type: Application
    Filed: August 30, 2023
    Publication date: April 4, 2024
    Applicant: Ricoh Company, Ltd.
    Inventor: Kaoru SATOH