Patents Assigned to Ricoh Company
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Publication number: 20240311225Abstract: A system predicts an abnormality of a first device. The system includes processing circuitry. The processing circuitry calculates a first increment value of a number of uses of the first device included in a first apparatus, based on a first total number of uses of the first device within a first predetermined period. The processing circuitry determines an abnormality of the first device based on the first increment value.Type: ApplicationFiled: February 29, 2024Publication date: September 19, 2024Applicant: Ricoh Company, Ltd.Inventor: Yutaka Matsumura
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Publication number: 20240306978Abstract: A current source estimation time determination method includes: determining an analysis interval in which a characteristic waveform is obtained with respect to one or more pieces of waveform data acquired by a sensor; estimating a current source with respect to a signal in the analysis interval determined at the determining; detecting a continuous movement interval in which the current source continuously moves in the analysis interval, using coordinates of the current source estimated at the estimating; and determining a single current source estimation time from the continuous movement interval detected at the detecting.Type: ApplicationFiled: March 7, 2024Publication date: September 19, 2024Applicants: Ricoh Company, Ltd., TOHOKU UNIVERSITYInventors: Miyako ASAI, Nobukazu NAKASATO, Akitake KANNO
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Publication number: 20240311918Abstract: A non-transitory computer-readable recording medium stores a program that causes a computer to execute a process performed in an information processing system. The process includes acquiring data with which at least one of a year, a month, a date, an hour, a minute, or a second is associated; extracting at least one analysis target from the data acquired at the acquiring; creating a graph of a cumulative value of a value relating to the analysis target with respect to a period; calculating a first area formed by the graph and an x-axis; and identifying a pattern of a graph shape based on the first area.Type: ApplicationFiled: February 29, 2024Publication date: September 19, 2024Applicants: Ricoh Company, Ltd., RIKENInventors: Kohichi IKE, Wataru SOMA, Hideaki AOYAMA
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Publication number: 20240307956Abstract: A sintered body production method includes sintering a sintering precursor containing a metal in the presence of a gas adsorbent, the gas adsorbent being activated at a temperature at which the metal is not oxidized.Type: ApplicationFiled: February 28, 2024Publication date: September 19, 2024Applicant: Ricoh Company, Ltd.Inventors: Keisuke SHIBA, Daichi YAMAGUCHI, Hiroyuki MIYATA, Naoki OYA, Shimpei MIYATA
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Patent number: 12092978Abstract: A fixing device includes a first rotator, a second rotator, a heater, a nip formation pad, and a separator. The second rotator contacts an outer circumferential surface of the first rotator to form a nip between the first rotator and the second rotator. The heater includes a resistive heat generator to heat the first rotator. The nip formation pad contacts an inner circumferential surface of the first rotator to form the nip. The separator separates a recording medium passing through the nip from the first rotator. The separator includes a separating surface and a contact. The separating surface is separated from the outer circumferential surface of the first rotator and separates the recording medium from the first rotator. The contact contacts the outer circumferential surface of the first rotator at a position where the first rotator is pinchable between the contact and the nip formation pad.Type: GrantFiled: June 5, 2023Date of Patent: September 17, 2024Assignee: Ricoh Company, Ltd.Inventors: Yukimichi Someya, Yuusuke Furuichi, Tomoya Adachi, Hiroyuki Shimada
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Patent number: 12090759Abstract: A liquid discharge head includes a first component having a bonding face having a recess and a second component bonded to the bonding face of the first component. The recess includes a first recess to which an adhesive is applied and a second recess extending in an extending direction to connect the first recess and an outer peripheral end of the first component. The first recess includes an inner side face that is an interior of the first component. The second recess includes a first wall face and a second wall face opposed to the first wall face. The first wall face and the second wall face define side walls of the second recess in a width direction orthogonal to the extending direction of the second recess. The extending direction is inclined with respect to a perpendicular line perpendicular to the inner side face of the first recess.Type: GrantFiled: October 14, 2022Date of Patent: September 17, 2024Assignee: RICOH COMPANY, LTD.Inventors: Kazuto Nagahashi, Hitoshi Usami
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Patent number: 12092989Abstract: A unit accommodation apparatus includes a first unit and a second unit that are to be installed into and removed from an apparatus body through an opening in an installation-removal direction and are held by a unit holder. The unit holder includes a first positioner that is disposed opposite one lateral end of the first unit and the second unit and is detachably attached to the first unit and the second unit. A second positioner is disposed opposite another lateral end of the first unit and the second unit and holds the first unit and the second unit in a state in which the first unit and the second unit are detachably attached to the second positioner. The first positioner and the second positioner secure a relative position of the first unit relative to the second unit in a direction parallel to a hypothetical orthogonal plane perpendicular to the installation-removal direction.Type: GrantFiled: August 10, 2023Date of Patent: September 17, 2024Assignee: RICOH COMPANY, LTD.Inventor: Tomoaki Suga
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Patent number: 12090767Abstract: A printing system is disclosed. The printing system includes at least one physical memory device to store defective print element determination logic and one or more processors coupled with the at least one physical memory device to execute the defective print element determination logic to receive a print image comprising evaluation marks and locator marks applied to a print medium by a plurality of pel forming elements according to print instructions and identify pel forming elements associated with print defect pels in the print image among the plurality of pel forming elements based on the evaluation marks, the locator marks and the print instructions.Type: GrantFiled: September 29, 2022Date of Patent: September 17, 2024Assignee: Ricoh Company, Ltd.Inventors: Jiwon Gim, Scott R. Johnson, Ziling Zhang, Mikel Stanich
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Patent number: 12091309Abstract: A movable device includes a movable portion including a reflecting surface; a pair of drive beams to support the movable portion rotatably around a predetermined rotation axis with the movable portion disposed between the pair of drive beams; and a support portion configured to support the pair of drive beams. The support portion has a light passing portion on each of both sides of the movable portion in a direction intersecting with the rotation axis in a plane along the reflecting surface in a state in which the movable portion is not rotated, the light passing portion allowing light reflected by the reflecting surface to pass through the light passing portion.Type: GrantFiled: November 1, 2019Date of Patent: September 17, 2024Assignee: RICOH COMPANY, LTD.Inventors: Masayuki Fujishima, Junichi Konishi, Tsuyoshi Ueno, Nobunari Tsukamoto
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Patent number: 12091269Abstract: A sheet feeding apparatus includes a sheet stacker, an air blower, a suction feeder, a lifting mechanism, an elevation detection sensor, an elevation detection sensor, a feed detection sensor, and processing circuitry. The air blower blows air to float an uppermost sheet of sheets stacked on the sheet stacker. The processing circuitry drives the lifting mechanism such that the sheet stacker is lifted by an elevation amount determined based on a sheet thickness of the sheets stacked on the sheet stacker, each time a sheet is detected when a number of sheets detected is smaller than a threshold number of sheets, and stops lifting of the sheet stacker until a sheet is not detected when the number of sheets reaches the threshold number of sheets, while repeatedly feeding the uppermost sheet and counting the number of sheets.Type: GrantFiled: October 27, 2022Date of Patent: September 17, 2024Assignee: Ricoh Company, Ltd.Inventors: Yohsuke Takamiya, Hidetoshi Kojima, Tatsuya Sugawara, Toshihiro Okutsu, Sachika Tamaki
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Patent number: 12091612Abstract: An electrochromic element including a first electrode, second electrode facing the first electrode with gap, electrolyte layer between the first and second electrodes, and layer including a compound represented by General Formula (1) where the layer is on or above the first electrode, where R1 to R4 are each a monovalent organic group wherein no hydrogen atom is at a benzyl site where the monovalent group may include a polymerizable functional group; and R5 to R28 are each a hydrogen atom, alkyl or alkoxy group where R25 and R28, or R26 and R27 may be bonded to form a structure represented by General Formula (2), where R29 and R30 are each an alkyl, alkoxy or aryl group, and R29 and R30 may be bonded via a common bond to form a cyclic structure when R29 and R30 are aryl groups.Type: GrantFiled: March 10, 2021Date of Patent: September 17, 2024Assignee: RICOH COMPANY, LTD.Inventors: Daisuke Goto, Fuminari Kaneko, Masato Shinoda
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Patent number: 12091280Abstract: A conveyance apparatus includes a bearing rotator, an entrance rotator, an exit rotator, a first driver circuit, a downstream conveyor, a second driver circuit, and a recording medium detector. The entrance rotator receives a recording medium at a first position. The downstream conveyor receives the medium at a second position. As a process of removing the medium, the first driver circuit starts rotation operation after the second driver circuit starts driving the downstream conveyor and rotates the rotators for not less than a period of time for the medium to be conveyed from the first position to the second position. The second driver circuit continues driving the downstream conveyor for not less than a period of time for the medium to be conveyed from the second position to a position at which the medium is detected after the rotation operation of the first driver circuit is stopped.Type: GrantFiled: June 1, 2022Date of Patent: September 17, 2024Assignee: Ricoh Company, Ltd.Inventor: Kohei Chike
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Publication number: 20240300772Abstract: A medium processing apparatus includes a liquid applier and a post-processing device. The liquid applier includes a liquid application member including a foam containable a liquid to apply the liquid to a liquid application region in a part of at least one medium of a bundle of media. The post-processing device performs a given process on a post-processing region in the part of at least one medium having the liquid application region on which the liquid is applied by the liquid applier. The liquid applier applies the liquid to the liquid application region overlapped with at least a part of the post-processing region.Type: ApplicationFiled: February 22, 2024Publication date: September 12, 2024Applicant: Ricoh Company, Ltd.Inventors: Kohta ABE, Kei SASAKI, Keisuke SUGIYAMA, Kazuki SETO, Shohei SAITO, Sachika TAMAKI, Takashi YAMAMOTO
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Publication number: 20240300764Abstract: A system is disclosed.Type: ApplicationFiled: March 7, 2023Publication date: September 12, 2024Applicant: Ricoh Company, Ltd.Inventors: Samuel Hopper, Scott R. Johnson, Walter F. Kailey, Michael McDermott
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Publication number: 20240303418Abstract: A method, apparatus, and storage media for implementing an intelligent form filling system are provided. The system generates an association between a first field name and a second field name based on entry of field values by users into a first form document at a first device within a plurality of devices connected to a network and stores the association in a field name dictionary data structure at a server device connected to the network to form a field name association. The system identifies a field name in a second form document that matches the first field name or the second field name in the field name association. In response to the second user entering a value into the identified field, the system causes to be presented to the second user a prompt to associate the first field name and the second field name in a data file.Type: ApplicationFiled: March 8, 2023Publication date: September 12, 2024Applicant: Ricoh Company, Ltd.Inventor: CARLOTA DANIEL
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Publication number: 20240302787Abstract: An image forming apparatus includes an opening-and-closing cover that is rotatable around a support shaft with respect to a body of the image forming apparatus. The opening-and-closing cover receives pressure in an opening direction from the body of the image forming apparatus when the opening-and-closing cover is closed and includes a rotation shaft rotatably held, a lock lever, and a pair of holding portions. The lock lever is rotatably disposed on the rotation shaft, is to be locked to or unlocked from a locking portion of the body of the image forming apparatus in conjunction with rotation of the rotation shaft, and includes a pair of held portions at both ends of the lock lever. The pair of holding portions are disposed to sandwich the lock lever from both sides of the lock lever in an axial direction of the rotation shaft and hold the pair of held portions.Type: ApplicationFiled: February 28, 2024Publication date: September 12, 2024Applicant: Ricoh Company, Ltd.Inventor: Mitsutaka NAKAMURA
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Publication number: 20240300760Abstract: A sheet conveying device includes: a conveyor to convey a sheet in a conveyance direction; a sound collector to collect sound generated by a conveyance of the sheet by the conveyor, the sound collector movable in a sheet width direction orthogonal to the conveyance direction; and a circuitry configured to determine whether an abnormal conveyance occurs based on the sound collected by the sound collector.Type: ApplicationFiled: February 4, 2024Publication date: September 12, 2024Applicant: Ricoh Company, Ltd.Inventor: Yosuke Iida
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Publication number: 20240305733Abstract: A communication device includes: a signal reception circuit to receive a differential signal and convert the differential signal into binary data; a squelch detection circuit to compare an amplitude level of the differential signal with threshold voltages to detect presence or absence of a signal and detect a non-squelch state and a squelch state; a start pattern detection circuit to enter a receivable state in response to a predetermined start pattern based on the differential signal; a register that stores a squelch setting value associated with the threshold voltages; a DC voltage selection circuit to select two DC voltages in accordance with the squelch setting value, and supply the two DC voltages to the squelch detection circuit; and a squelch setting control circuit to change the squelch setting value to increase or decrease the squelch setting value in steps and sequentially set the squelch setting value in the register.Type: ApplicationFiled: March 1, 2024Publication date: September 12, 2024Applicant: Ricoh Company, Ltd.Inventors: Tomohiko Kaneko, Kenichi Watanabe, Kazuhiro Ikeda
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Publication number: 20240300771Abstract: A medium processing apparatus for processing a medium ejected from an image forming apparatus includes a conveyor, a slit, a medium processing device, a stopper, and detectors. The conveyor conveys the medium ejected from the image forming apparatus. The slit communicates with an opening of a housing into which a medium is manually inserted from outside and includes a placement face on which the inserted medium is placed. The placement face has a first side and a second side orthogonal to the first side. The first and second sides are not parallel to a direction in which a side face of the housing extends. The medium processing device processes the medium conveyed by the conveyor or the medium placed on the slit. The stopper regulates edges of the medium along the first and second sides of the placement face. The detectors are disposed on the stopper to detect the medium.Type: ApplicationFiled: February 20, 2024Publication date: September 12, 2024Applicant: Ricoh Company, Ltd.Inventors: Shuuto Tohkaishi, Yuusuke Shibasaki, Yusuke Hirono, Atsushi Shinoda, Satoshi Hirata, Shingo Yoshizawa, Suzuka Fujita, Naofumi Yoshida, Ryota Takayama, Takahiro Watanabe, Takuya Morinaga, Yuji Suzuki, Wataru Nozaki, Kanako Fujisaki, Jun Yamada
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Publication number: 20240305492Abstract: An approach is provided for a meeting assist process to receive, over one or more communications networks, a meeting request for meeting assistance, the request including meeting background information, the meeting assist process instantiating an information gathering module to automatically parse the background information to form one or more queries for collecting data across a plurality of data sources, query a plurality of data sources to gather information, and distribute the gathered information automatically to predetermined locations.Type: ApplicationFiled: March 7, 2023Publication date: September 12, 2024Applicant: Ricoh Company, Ltd.Inventors: Shun Tanaka, Jayasimha Nuggehalli, Toshiya Watanabe