Patents Assigned to Ricoh Company, Ltd.
  • Publication number: 20220143970
    Abstract: A droplet discharge apparatus includes a plurality of dischargers and a control device. The plurality of dischargers discharge droplets. The control device acquires characteristic values of end portions of areas on which the droplets discharged by the plurality of dischargers land, from a measurement of the end portions. The control device adjusts the plurality of dischargers such that a difference between the characteristic values is within a range.
    Type: Application
    Filed: October 28, 2021
    Publication date: May 12, 2022
    Applicant: Ricoh Company, Ltd.
    Inventor: Hiroshi Takaki
  • Publication number: 20220150284
    Abstract: A resource management system includes a resource management apparatus configured to manage a use state of a resource; and a communication terminal configured to communicate with the resource management apparatus. The communication terminal executes acquiring code information embedded in a predetermined code by capturing the predetermined code relating to reservation information, the predetermined code being displayed by a resource terminal used in a predetermined resource and configured to communicate with the resource management apparatus; and transmitting, to the resource management apparatus, user identification information for identifying a user using the predetermined resource associated with the acquired code information, as a start request to start using the predetermined resource.
    Type: Application
    Filed: November 2, 2021
    Publication date: May 12, 2022
    Applicant: Ricoh Company, Ltd.
    Inventor: Ryo SUZUKI
  • Publication number: 20220150376
    Abstract: An image forming apparatus includes a first medium scanned with a first signal, a second medium scanned with a second signal, a rotary polygon mirror that deflects the first and second signals, a synchronization signal generation circuit that generates a synchronization signal representing a time to start scanning the first medium, and at least one pseudo synchronization signal generation circuit that generates a pseudo synchronization signal with the synchronization signal. The pseudo synchronization signal represents a time to start scanning the second medium. Based on a previously calculated period of the synchronization signal and a period of the synchronization signal counted on a particular surface of the polygon mirror, the pseudo synchronization signal generation circuit generates a particular value for generating the pseudo synchronization signal.
    Type: Application
    Filed: September 29, 2021
    Publication date: May 12, 2022
    Applicant: Ricoh Company, Ltd.
    Inventor: Yuichiro SHUKUYA
  • Publication number: 20220143971
    Abstract: A droplet discharge apparatus includes a control device, a discharge device, and a measuring device. The control device sets conditions for a recording medium or a process using droplets. The discharge device discharges the droplets onto the recording medium. The measuring device measures landing positions of the droplets on the recording medium. The control device calculates a correction amount based on the landing positions, stores the correction amount for each of the conditions, and correct a timing at which the discharge device performs discharge with correction amounts that match the conditions, to correct the landing positions.
    Type: Application
    Filed: November 2, 2021
    Publication date: May 12, 2022
    Applicant: Ricoh Company, Ltd.
    Inventor: Kenji Maruoka
  • Publication number: 20220143975
    Abstract: A liquid discharge apparatus is configure to drive nozzles with drive waveforms with which timing of discharge pulses fall within a range where a condition |A?C|<|B?D| is satisfied, where “A” is a discharge velocity of a droplet having a first size when drive units are driven to discharge a droplet having the first size, “B” is a discharge velocity of a droplet having a second size larger than the first size when drive units are driven to discharge a droplet having the second size, “C” is a discharge velocity of a droplet having the first size when drive units are driven to discharge droplets having the first size and the second size, and “D” is a discharge velocity of a droplet having the second size when drive units are driven to discharge droplets having the second size and the first size.
    Type: Application
    Filed: October 26, 2021
    Publication date: May 12, 2022
    Applicant: Ricoh Company, Ltd.
    Inventor: Kohta Akiyama
  • Patent number: 11330128
    Abstract: Adjustment image data is for use in adjusting imaging operation. The adjustment image data is stored in a storage of an image forming apparatus and read from the storage to form an image on a sheet of paper at the time of adjusting an imaging operation of the image forming apparatus. The adjustment image data includes a single identification mark located in the vicinity of a longitudinal center of the sheet of paper.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: May 10, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Akihiko Tosaka, Megumi Arai, Kohji Yoshimura, Yoshiko Konaka
  • Patent number: 11330133
    Abstract: An electronic apparatus includes circuitry. The circuitry acquires, from an external server, information related to software that is downloadable on the electronic apparatus through a network and installable on the electronic apparatus. The circuitry determines whether at least conditions of authentication settings with respect to the electronic apparatus are satisfied. The circuitry displays, on a display, a notification screen for notifying the acquired information, according to a determination result.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: May 10, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Taku Ikawa, Hiroatsu Hatanaka
  • Patent number: 11330156
    Abstract: An image capturing device includes a movable mirror including a half mirror and circuitry to set a superimpose display mode that superimposes and displays an optical image of a finder optical system and an electronic image captured by an image sensor, and a consecutive photographing mode, control the movable mirror to rotate between a mirror-down position, in which the mirror is inserted in a photographing optical path, reflects light to a finder optical system, and transmits the light to an image sensor, and a mirror-up position in which the mirror is retracted from the photographing optical path and the light passes through to the image sensor, and prohibit the movable mirror from rotating to the mirror-up position and maintain the mirror-down position, when the superimpose display mode and the consecutive photographing mode are both set.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: May 10, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventor: Koichi Sato
  • Patent number: 11330117
    Abstract: An information processing apparatus includes processing circuitry; and a memory storing computer-executable instructions that cause the processing circuitry to transmit an image acquisition request to an image display apparatus upon detecting that a predetermined condition is satisfied; receive image data of an image displayed on the image display apparatus, transmitted from the image display apparatus in response to the image acquisition request; and store the received image data in a shared storage destination.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: May 10, 2022
    Assignee: Ricoh Company, Ltd.
    Inventor: Takehiro Tanaka
  • Patent number: 11330121
    Abstract: Systems and methods are provided for reviewing images. One embodiment is a system in the form of an image review device that includes a display, an interface that receives images of print media marked by a printer, and a controller that generates notifications based upon the images, assigns the notifications to types based upon the images, and generates a Graphical User Interface (GUI) that presents the notifications via the display, wherein the GUI comprises a carousel that includes a detail area which presents a single notification at a time, a summary area that presents visual indicators that correspond with the notifications, and interactive elements for advancing the detail area to a next notification and for returning the detail area to a prior notification. The controller automatically controls at least one of a color or a shape of each visual indicator to indicate a type of a corresponding notification.
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: May 10, 2022
    Assignee: Ricoh Company, Ltd.
    Inventor: Kara Larsen
  • Patent number: 11327296
    Abstract: A light deflector includes a reflector having a reflection plane, a pair of movable parts that support the reflector, a supporting unit configured to support the pair of movable parts, a piezoelectric drive circuit provided for the pair of movable parts, the piezoelectric drive circuit being configured to drive the reflector in response to waveform of driving voltage, and circuitry configured to output two different driving voltages to the piezoelectric drive circuit. Each one of the two different driving voltages has waveform, and the waveform of each one of the two different driving voltages includes, in one cycle, a step-up period where voltage increases, a step-down period where voltage decreases, a first constant-voltage period where voltage is constant after the step-up period and before the step-down period, and a second constant-voltage period where voltage is constant before the step-up period and after the step-down period.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: May 10, 2022
    Assignee: Ricoh Company, Ltd.
    Inventor: Akitoshi Mochida
  • Patent number: 11330082
    Abstract: An information processing system, a service providing system, and a user creation method. The information processing system creates a second user belonging to a second tenant in response to reception of a request for managing the second tenant from a terminal device operated by a first user, the second tenant being different from a first tenant to which the first user belongs.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: May 10, 2022
    Assignee: Ricoh Company, Ltd.
    Inventor: Yasuharu Fukuda
  • Patent number: 11330147
    Abstract: System and method for printer intrusion detection. One embodiment is a system that includes memory configured to store personnel identification data for a plurality of operator classes permitted to perform different levels of maintenance actions on a printer. The system also includes an intrusion detection controller configured to detect a presence of a person in an operating space of the printer based on image data, to analyze the image data to detect one or more characteristics of the person, to determine an operator class for the person based on a match of the detected characteristics of the person with the personnel identification data stored in the memory, and to monitor adherence to maintenance permissions by the person in a plurality of physical areas of the printer based on the operator class of the person.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: May 10, 2022
    Assignee: Ricoh Company, Ltd.
    Inventors: Larry M Ernst, Mike Munson
  • Patent number: 11330130
    Abstract: An image processing apparatus includes a flow execution unit configured to receive, in response to an instruction from a user to start an application installed in the image processing apparatus, a request to register a flow from the application; store information for identifying functions included in the flow and an execution order of the functions; switchably display setting screens for the respective functions included in the flow in response to a request from the application to execute the flow; and execute the functions identified based on the stored information in the stored execution order based on setting information input on the setting screens for the respective functions.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: May 10, 2022
    Assignee: Ricoh Company, Ltd.
    Inventors: Motoyuki Katsumata, Yusuke Hayashi
  • Patent number: 11324428
    Abstract: In one aspect, a computer-implemented method corrects a multi-sphere head model used in dipole localization for a set of magnetic field sensors (MEG sensors) by replacing ghost spheres with replacement spheres that are not ghost spheres. One type of ghost sphere completely encloses the brain volume but is so large that a center of the sphere is outside the brain volume. Another type of ghost sphere lies entirely outside the brain volume. Various approaches for correcting ghost spheres are disclosed.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: May 10, 2022
    Assignee: Ricoh Company, Ltd.
    Inventors: Krishna Prasad Agara Venkatesha Rao, Srinidhi Srinivasa
  • Patent number: 11327272
    Abstract: A mirror driving device includes a positioner in the imaging apparatus; a mirror holder configured to hold the movable mirror and move to the first position and the second position of the movable mirror; a positioning surface at the mirror holder and configured to come into contact with the positioner to determine the first position of the movable mirror; and a shock dispersion surface provided at the mirror holder. When moving from the second position toward the first position, the movable mirror is configured to contact the positioner before the positioning surface comes into contact with the positioner to reduce a shock. The shock dispersion surface has a smaller inclination with respect to a travel-direction tangent line than an inclination of the positioning surface with respect to the tangent line. The shock dispersion surface is located forward of the positioning surface in the travel direction toward the first position.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: May 10, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventor: Shinichiroh Sanada
  • Patent number: 11325802
    Abstract: A sheet stacker includes a sheet stacking portion, a guide portion, and an air blower. The sheet stacking portion is configured to stack a sheet bundle. The guide portion is configured to receive a leading end of a sheet conveyed toward the sheet stacking portion and guide the sheet downstream in a sheet conveyance direction in which the sheet is conveyed. The air blower is disposed above the sheet stacking portion and configured to blow air toward the sheet on a downstream side, in the sheet conveyance direction, from a position at which the guide portion receives the leading end of the sheet.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: May 10, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventor: Tomonori Tamura
  • Publication number: 20220141394
    Abstract: A measurement apparatus mountable on a movable apparatus includes a first imaging device to capture an image in a first image capture direction, the first image capture direction having a first angle with respect to a direction of travel of the movable apparatus, and a second imaging device disposed next to the first imaging device to capture an image in a second image capture direction, the second image capture direction having a second angle with respect to the direction of travel of the movable apparatus. The first and second imaging devices are disposed to overlap at least partially a first imaging range of the first imaging device and a second imaging range of the second imaging device. At least one of the first image capture direction of the first imaging device and the second image capture direction of the second imaging device is set at a given angle with respect to a width dimension of the movable apparatus.
    Type: Application
    Filed: January 20, 2022
    Publication date: May 5, 2022
    Applicant: Ricoh Company, Ltd.
    Inventor: Shoh TSURITANI
  • Publication number: 20220137525
    Abstract: The present disclosure provides a toner having excellent low-temperature fixing, heat-resistant-storage property, cleaning performance, and filming resistance. A toner containing toner base particles having a crystalline polyester resin and an amorphous polyester resin includes a plurality of organic particles disposed at least partially embedded in a surface of the toner base particles. A percentage of the crystalline polyester resin occupying the surface of the toner base particles is 4% to 20%, a volume average particle size of the organic particles is 10 nm to 40 nm, and a standard deviation of a distance between adjacent particles of the organic particles that are not in contact is 500 nm or less.
    Type: Application
    Filed: November 2, 2021
    Publication date: May 5, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Ryuuta Yoshida, Toma Takebayashi, Akio Takei, Yasuo Kamada
  • Patent number: D951319
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: May 10, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventor: Takeo Suzuki