Patents Assigned to Ricoh Company, Ltd.
  • Patent number: 12271104
    Abstract: A light-source device, an image projection apparatus, and a display device. The light-source device includes a light source to emit light, an optical element having a lens array on one side or both sides of which a plurality of lenses are arrayed with distance from each other, the distance between a pair of vertices of an adjacent pair of the plurality of lenses of the optical element being equal to or less than one-quarter of width of light flux of the light incident on the optical element, and a wavelength conversion element to convert a wavelength of the light emitted from the light source and passed through the optical element. An image projection apparatus includes the light-source device, a light mixing element to mix the light emitted from the light-source device to uniformize the light, and an illumination optical system to emit the light uniformized by the light mixing element.
    Type: Grant
    Filed: September 16, 2022
    Date of Patent: April 8, 2025
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yohei Takano, Makoto Hirakawa, Kazuhiro Fujita, Takashi Sasaki
  • Patent number: 12272081
    Abstract: An inspection apparatus includes processing circuitry. The processing circuitry acquires read image data obtained by reading an image printed on both sides of a conveyance medium. The processing circuitry searches for marks printed on both sides of the conveyance medium in the read image data. The processing circuitry outputs information indicating a misalignment amount of both sides of the conveyance medium based on positions where the marks are printed.
    Type: Grant
    Filed: April 13, 2022
    Date of Patent: April 8, 2025
    Assignee: Ricoh Company, Ltd.
    Inventor: Takahiro Koyama
  • Publication number: 20250108612
    Abstract: A drive circuit includes a first drive-waveform generator circuit, first waveform-selection control circuits, second drive-waveform generator circuits, second waveform-selection control circuits, and memory circuits. The first drive-waveform generator circuit generates a first drive waveform applied to piezoelectric elements in a liquid discharge head. Each of the first waveform-selection control circuits is connected to the first drive-waveform generator circuits, to select the first drive waveform. The second drive-waveform generator circuits generates a second drive waveform applied to the piezoelectric elements corresponding to nozzles at each end of the liquid discharge head. The second waveform-selection control circuits are connected in parallel with the second drive-waveform generator circuits, respectively, to select one of the first drive waveform and the second drive waveform.
    Type: Application
    Filed: September 18, 2024
    Publication date: April 3, 2025
    Applicant: Ricoh Company, Ltd.
    Inventor: Arata Suzuki
  • Publication number: 20250111184
    Abstract: A printing system is disclosed. The printing system includes at least one physical memory device to store calibration logic and one or more processors coupled with the at least one physical memory device to execute the calibration logic to receive a first printer transfer function, receive a first print substrate transfer function associated with a first print substrate and generate a composite transfer function based on a function composition operation of the first print substrate transfer function and the first printer transfer function.
    Type: Application
    Filed: September 28, 2023
    Publication date: April 3, 2025
    Applicant: Ricoh Company, Ltd.
    Inventors: Mikel Stanich, Scott R. Johnson, Walter F. Kailey, William Manchester, Pallavi Premkumar
  • Publication number: 20250107968
    Abstract: A medication support device includes a container that stores a medicine package, a pickup device to pick up the medicine package from the container, a suction device disposed at the pickup device to suck the medicine package in the container by air, a conveyor to convey the medicine package picked up from the container using the suction device, a medicine dispensing container to dispense the medicine package conveyed by the conveyor at a specific one of a plurality of positions partitioned by a plurality of partitions, and a jogger to move the medicine package that has already been dispensed to the medicine dispensing container to a desired position of the medicine dispensing container when the medicine package is dispensed from the container to the medicine dispensing container a plurality of times.
    Type: Application
    Filed: September 23, 2024
    Publication date: April 3, 2025
    Applicant: Ricoh Company, Ltd.
    Inventors: Takato Mochizuki, Hirotaka Hayashi, Terumitsu Azuma, Manabu Yamanaka, Yoshihide Sugiyama, Hiroshi Fujie, Youhei Niitsuma, Yu Yamaya
  • Publication number: 20250112966
    Abstract: A wireless apparatus is wirelessly communicable with an information processing apparatus and includes wireless control circuitry and standby control circuitry. The wireless control circuitry stands by for both a peer-to-peer (P2P) connection and an infrastructure connection from the information processing apparatus. The standby control circuitry causes the wireless control circuitry to stop standing by for the P2P connection when the wireless control circuitry is performing the infrastructure connection with the information processing apparatus.
    Type: Application
    Filed: August 29, 2024
    Publication date: April 3, 2025
    Applicant: Ricoh Company, Ltd.
    Inventor: Kohdai Asanuma
  • Patent number: 12265781
    Abstract: Systems and methods for facilitating conversion of a page description language (PDL) representation of a correspondence to an accessible format are provided. According to one embodiment, a correspondence is received in a form of an input file represented in a PDL. Text strings and corresponding coordinates indicative of points at which the text strings are positioned within a printable area of a page of the correspondence or an electronic equivalent thereof are extracted from the input file. Information is received indicative of multiple groups of the text strings. Each group is processed in accordance with an associated rule selected from multiple rules to create an output file in which the text strings within a given group of the plurality of groups are excluded or included within an element of the output file based on application of the associated rule to the given group.
    Type: Grant
    Filed: March 10, 2023
    Date of Patent: April 1, 2025
    Assignee: Ricoh Company, Ltd.
    Inventors: David Wagner, Scott Mastie
  • Patent number: 12264032
    Abstract: A medium processing apparatus includes a conveyor, a liquid applier, and a crimper. The conveyor conveys a medium in a conveyance direction. The liquid applier applies liquid to a liquid application position on the medium conveyed by the conveyor. The crimper presses and deforms the liquid application position on a plurality of media including the medium to bind the plurality of media. The liquid applier includes a liquid application rotator configured to rotate, in contact with the medium conveyed by the conveyor, about a pivot extending in a main scanning direction orthogonal to the conveyance direction of the medium and to a thickness direction of the medium, to apply the liquid to the medium.
    Type: Grant
    Filed: April 16, 2024
    Date of Patent: April 1, 2025
    Assignee: Ricoh Company, Ltd.
    Inventors: Junya Suzuki, Kei Sasaki, Kazuki Seto, Kotomi Kameyama
  • Patent number: 12268043
    Abstract: A photoelectric conversion element includes a first electrode section; a second electrode section; an electron-transporting section between the first electrode section and the second electrode section; a light-absorbing section; and a hole-transporting section. The hole-transporting section has a peak that reaches maximum at a Raman shift of 1575 cm?1±10 cm?1 and a peak that reaches maximum at a Raman shift of 1606 cm?1±10 cm?1 in a Raman spectrum obtained by emitting laser light having a wavelength of 532 nm; and has a peak intensity ratio A/B of 0.80 or more, the peak intensity ratio A/B being obtained from a maximum peak intensity A of the peak that reaches maximum at 1575 cm?1±10 cm?1 and a maximum peak intensity B of the peak that reaches maximum at 1606 cm?1±10 cm?1.
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: April 1, 2025
    Assignee: Ricoh Company, Ltd.
    Inventors: Nozomu Tamoto, Yuuji Tanaka, Tamotsu Horiuchi, Naomichi Kanei, Takahiro Ide, Yoshiaki Masuda
  • Patent number: 12267469
    Abstract: An image forming apparatus includes an apparatus main body and a cover to openably close the apparatus main body in a front-back direction. The cover includes an inner cover and an exterior cover outside the inner cover in the front-back direction. The exterior cover is fitted to the inner cover to form a single body with the inner cover.
    Type: Grant
    Filed: November 8, 2023
    Date of Patent: April 1, 2025
    Assignee: RICOH COMPANY, LTD.
    Inventors: Ryuta Kaneda, Hiroaki Nieda, Naoki Matsuda
  • Patent number: 12264028
    Abstract: A sheet stacker for use in a device including a stacker portion, a fence, and a guide face. The stacker portion includes a stacker face that is inclined at a predetermined angle with respect to a horizontal plane and receives a plurality of sheets ejected from above and stack the plurality of sheets on the stacker face. The fence includes an angled face to contact an end of the plurality of sheets stacked on the stacker face. The angled face rises in a direction in which the plurality of sheets is stacked, with respect to a lower side of the stacker face. The guide face guides the sheet conveyed along the lower side toward an outlet port to a lower end of the outlet port, the outlet port opening in an exterior of the device to remove the sheet to an outside of the device.
    Type: Grant
    Filed: October 27, 2022
    Date of Patent: April 1, 2025
    Assignee: Ricoh Company, Ltd.
    Inventors: Sho Asano, Keisuke Sugiyama, Tomohiro Furuhashi, Wataru Takahashi, Ruki Midorikawa, Shinya Monma
  • Patent number: 12264024
    Abstract: A sheet feeding device includes a sensor, a roller, a support, circuitry, and a spool. The sensor detects a step at a leading end of a sheet roll. The roller and the sensor are disposed at different positions in a circumferential direction of the sheet roll. The support supports the sensor and the roller to bring the sensor and the roller into contact with the sheet roll. The circuitry acquires a sensor signal. The spool is insertable through a sheet tube of the sheet roll to rotate the sheet roll. The sensor and the roller face an axial center of the spool. The support is pivotable within a range in which the sensor does not contact the spool. The circuitry detects first and second inclinations of the sensor signal when the leading end passes by the roller and the sensor, respectively, to determine whether the leading end is present.
    Type: Grant
    Filed: December 22, 2022
    Date of Patent: April 1, 2025
    Assignee: RICOH COMPANY, LTD.
    Inventor: Katsumi Okada
  • Patent number: 12265225
    Abstract: A light guide member (300) includes a boundary surface (304) configured to reflect image light guided to the boundary surface (304) and emit the image light outside the light guide member (300), an opposing surface (306) parallel to the boundary surface (304), the opposing surface (306) facing the boundary surface (304), a first inclined surface (305) having an inclination in which a distance between the first inclined surface (305) and the boundary surface (304) decreases in a guiding direction of the image light, and a second inclined surface (307) between the opposing surface (306) and the first inclined surface (305), the second inclined surface (307) inclined at a different angle with the first inclined surface (305) in the guiding direction.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: April 1, 2025
    Assignee: RICOH COMPANY, LTD.
    Inventors: Naoki Nakamura, Masahiro Itoh, Susumu Momma, Shigenobu Hirano, Yoshifumi Sudoh, Shun Okazaki, Yasuo Katano, Kenji Kameyama, Norikazu Igarashi, Masamichi Yamada, Aino Hasegawa, Takashi Maki
  • Publication number: 20250100773
    Abstract: A cushioning material including a base and a bending portion. The base includes a first main face and a first cushioning rib protruding orthogonally to the first main face. The bending portion is bent orthogonally to the base, and includes a second main face, a second cushioning rib, and a protrusion. The second cushioning rib protrudes orthogonally to the second main face. The protrusion protrudes orthogonally to the second main face. The base has an opening and a cut portion. The opening has a rim contacting and engaging with the protrusion of the bending portion bent orthogonally to the base. The cut portion is in the rim to cause the rim to elastically deform in response to an engagement of the protrusion of the bending portion with the opening.
    Type: Application
    Filed: September 4, 2024
    Publication date: March 27, 2025
    Applicant: Ricoh Company, Ltd.
    Inventor: Shinya Suehiro
  • Publication number: 20250100300
    Abstract: An image forming apparatus includes an image former to form an image on a sheet; a dryer to dry the sheet on which the image is formed by the image former, a cooler to cool the sheet dried by the dryer, and an inspection unit to inspect the image on the sheet cooled by the cooler, wherein the dryer, the cooler, and the inspection unit are arranged below the image former.
    Type: Application
    Filed: August 28, 2024
    Publication date: March 27, 2025
    Applicant: Ricoh Company, Ltd.
    Inventors: Ayane KUMAGAI, Masaki KITAMURA, Ken ONODERA
  • Publication number: 20250100838
    Abstract: A medium processing apparatus includes a liquid applier, a crimper, and a controller. The liquid applier includes a liquid application member to apply liquid to a part of a medium. The crimper presses and deforms a bundle of media including the medium to which the liquid is applied by the liquid applier, to bind the bundle of media. The controller causes the liquid application member to move with respect to the medium, based on height information of the medium, so that an amount of the liquid applied to the medium by the liquid application member is equal to a designated amount.
    Type: Application
    Filed: February 6, 2023
    Publication date: March 27, 2025
    Applicant: Ricoh Company, Ltd.
    Inventors: Kazuki MISHINA, Kei SASAKI, Kazuki SETO, Kohta ABE
  • Publication number: 20250104218
    Abstract: An image forming apparatus includes circuitry to cause a reading device to read a printed matter printed by a printing apparatus based on print data to generate a first image to be inspected, detect a defect on the printed matter based on a master image and the first image, the master image being generated from the print data of the printed matter, detect a defect on a second image to be inspected and a defect state of the defect, the second image being generated by the reading device without sheet passage, set a region including a position of the defect detected on the second image to an inspection exclusion region to be excluded from detection of a defect on the first image, and notify a user in a case that the defect state is determined to exceed a threshold value.
    Type: Application
    Filed: September 10, 2024
    Publication date: March 27, 2025
    Applicant: Ricoh Company, Ltd.
    Inventors: Kohta AOYAGI, Tohru MATSUMOTO, Tadashi KITAI, Daisuke ANAN
  • Patent number: 12257833
    Abstract: A liquid discharge apparatus includes: a liquid discharge head configured to discharge a liquid from a nozzle, the liquid discharge head including: a liquid chamber communicating with the nozzle; a pressure generator configured to deform the liquid chamber to apply pressure to the liquid in the liquid chamber; and circuitry configured to apply a drive signal to the pressure generator to drive the pressure generator, the drive signal including at least one drive pulse. The drive pulse includes: an expansion element to expand the liquid chamber to a first volume; a holding element to hold the first volume of the liquid chamber expanded by the expansion element for a predetermined time; and a contraction element to contract the liquid chamber from the first volume held by the holding element to a second volume.
    Type: Grant
    Filed: August 9, 2022
    Date of Patent: March 25, 2025
    Assignee: Ricoh Company, Ltd.
    Inventor: Satomi Araki
  • Patent number: 12257853
    Abstract: A recording-head position adjustment mechanism adjusts a position of a recording head that discharges liquid droplets. The recording-head position adjustment mechanism includes a supporting member and a discharge angle adjuster. The supporting member includes an upper support to support an upper portion of the recording head and a lower support to support a lower portion of the recording head. The discharge angle adjuster swings the lower portion around the upper portion as a fulcrum to adjust a discharge direction of the liquid droplets from the recording head.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: March 25, 2025
    Assignee: RICOH COMPANY, LTD.
    Inventor: Kengo Tsubaki
  • Patent number: 12260293
    Abstract: An information processing system including a circuitry configured to detect first identification information used to identify a job, generate second identification information associated with the first identification information, and create a slip on which the first identification information and the second identification information are displayed.
    Type: Grant
    Filed: June 6, 2023
    Date of Patent: March 25, 2025
    Assignee: Ricoh Company, Ltd.
    Inventors: Hajime Kawasaki, Makoto Aoki, Takeshi Ogawa, Koichi Kudo