Patents Assigned to Ricoh Company, Ltd.
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Patent number: 12286326Abstract: A sheet processing apparatus including a sheet feeder, a sheet processing device, a sheet ejection device, a purge unit, a multifeed sensor, and circuitry. The sheet feeder feeds a sheet toward a sheet conveyance passage. The sheet processing device performs a predetermined operation on the sheet. The sheet ejection device stacks the sheet when the predetermined operation has been performed. The purge unit stacks the sheet when the predetermined operation has not been performed. The multifeed sensor detects whether sheets are multifed and a number of multifed sheets. The circuitry counts a number of sheets, determines that the sheets stacked in the purge unit is full when a number of counted sheets reaches a predetermined number of sheets, and conveys the multifed sheets toward the purge unit and adds the number of counted sheets according to the number of multifed sheets, in response to detection of the multifed sheets.Type: GrantFiled: February 14, 2023Date of Patent: April 29, 2025Assignee: Ricoh Company, Ltd.Inventors: Ryohsuke Akaishi, Akira Kunieda, Yohsuke Haraguchi, Hirofumi Horita, Satoshi Kuno, Koju Kawakami, Yasunobu Kidoura
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Patent number: 12286542Abstract: An ink discharging device contains an ink containing an organic solvent with an SP value of from 9.0 to 12.0, a white pigment, a polyurethane resin with a glass transition temperature Tg of 0 degrees C. or lower, and water, and an ink discharging unit including a nozzle plate including a liquid repellent layer containing a silicone resin, the ink discharging unit for discharging the ink, wherein the proportion of the organic solvent to the entire of the ink is from 0.5 to 2.5 percent by mass and the proportion of the white pigment to the entire of the ink is from 6 to 15 percent by mass.Type: GrantFiled: March 16, 2023Date of Patent: April 29, 2025Assignee: Ricoh Company, Ltd.Inventors: Daisuke Ozaki, Toshiyuki Kobashi, Hiroshi Gotou, Ayaka Tanaka, Juichi Furukawa
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Publication number: 20250128527Abstract: A printer includes a liquid discharge head configured to discharge a liquid to a print target, a holder configured to hold the print target, and a height detector configured to detect the print target on the holder at a first height and at a second height lower than the first height.Type: ApplicationFiled: December 23, 2024Publication date: April 24, 2025Applicant: Ricoh Company, Ltd.Inventors: Tetsu MORINO, Muneyuki OKEGUCHI
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Publication number: 20250128905Abstract: A sheet processing apparatus includes a conveyor, a first folding roller, a second folding roller, a return conveyance passage, and a third folding roller. The conveyor conveys a sheet along a main conveyance passage in a conveyance direction. The second folding roller facing the first folding roller across the main conveyance passage conveys the sheet by a first conveyance amount. The return conveyance passage having a curvature is branched from the main conveyance passage at a branching position and is merged to the main conveyance passage at a merging position. The third folding roller facing the second folding roller across the return conveyance passage conveys the sheet by a second conveyance amount smaller than the first conveyance amount of the second folding roller. The second folding roller is on an outer peripheral side and the third folding roller is on an inner peripheral side of the return conveyance passage.Type: ApplicationFiled: October 2, 2024Publication date: April 24, 2025Applicant: Ricoh Company, Ltd.Inventors: Yuusuke SHIBASAKI, Atsushi SHINODA, Shuuto TOHKAISHI, Sho ASANO, Wataru TAKAHASHI, Tomomichi HOSHINO, Kotomi KAMEYAMA, Satoshi HIRATA, Shingo YOSHIZAWA, Suzuka FUJITA, Naofumi YOSHIDA, Ryota TAKAYAMA, Hirotaka YASUKAWA, Yoshito SUZUKI, Shinya MONMA, Yuji SUZUKI, Wataru NOZAKI, Jun YAMADA, Naohiro YOSHIDA, Yusuke HIRONO, Takahiro WATANABE, Yohsuke HARAGUCHI
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Publication number: 20250129226Abstract: A foamed polylactic acid sheet has a polylactic acid resin. The foamed polylactic acid sheet has oligomers and monomers having molecular weights of 3,000 or less in a total amount of 1,000 ppm or less.Type: ApplicationFiled: September 2, 2022Publication date: April 24, 2025Applicant: Ricoh Company, Ltd.Inventor: Satoshi Ogawa
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Publication number: 20250130520Abstract: A fixing device includes a rotator, a pressure rotator, a heater, a conductor, and a resistor. The rotator includes a conductive layer. The pressure rotator presses the rotator to form a fixing nip between the rotator and the pressure rotator. The heater is in contact with an inner surface of the rotator to heat the rotator. The conductor is in contact with the conductive layer of the rotator and has a resistance value larger than 100 k?. The resistor has one end electrically coupled in series to the conductor and another end grounded via an image forming apparatus.Type: ApplicationFiled: January 23, 2023Publication date: April 24, 2025Applicant: Ricoh Company, Ltd.Inventors: Daisuke HIRANO, Yuusuke FURUICHI, Naohiro KUMAGAI
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Publication number: 20250130746Abstract: A system includes an operation device and an information storing apparatus, which are connected via a network. The operation device determines, based on information input from the outside of the operation device in response to an operation performed on the operation device, an electronic device among a plurality of electronic devices connected to the system, for causing the electronic device to input electronic data to the information storing apparatus, and sends, to the information storing apparatus, a first request to cause the determined electronic device to input the electronic data to the information storing apparatus. The information storing apparatus sends, to the determined electronic device, a second request based on the first request sent from the operation device, and stores the electronic data that has been sent from the determined electronic device based on the sent second request.Type: ApplicationFiled: December 20, 2024Publication date: April 24, 2025Applicant: Ricoh Company, Ltd.Inventor: Kazuhiro YAMADA
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Publication number: 20250128903Abstract: A medium processing apparatus includes a liquid applier, a post-processing device, and circuitry. The liquid applier applies liquid to a part of a medium. The liquid applier includes a liquid storage to store the liquid to be applied to the part of the medium. The post-processing device binds a media bundle including the medium to which the liquid has been applied by the liquid applier. The circuitry is to restrict a temperature decrease of the liquid in a liquid temperature restricting mode.Type: ApplicationFiled: October 4, 2024Publication date: April 24, 2025Applicant: Ricoh Company, Ltd.Inventors: Atsushi Nunokawa, Kei Sasaki, Sachika Tamaki, Keisuke Sugiyama
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Information processing apparatus, information processing method, and non-transitory recording medium
Patent number: 12282534Abstract: An information processing apparatus includes circuitry to read identification information of an application and a program of the application from a recording medium; generate license information using unique information assigned to the information processing apparatus, the identification information, and the program; and store the generated license information in the recording medium. The license information is for using the application on the information processing apparatus.Type: GrantFiled: October 24, 2022Date of Patent: April 22, 2025Assignee: Ricoh Company, Ltd.Inventor: Shijie Mao -
Patent number: 12280579Abstract: A sheet processing apparatus including a sheet feeder, a sheet processing device, a sheet ejection device, a purge unit, a multifeed sensor, a sheet sensor, and circuitry. The circuitry stops an operation of the sheet processing apparatus when the multifeed sensor has not detected multifeed of the sheet and the sheet sensor does not detect a trailing end of the sheet after a first set time from detection of a leading end of the sheet, stop the operation when the multifeed sensor has detected the multifeed and the sheet sensor does not detect the trailing end of the sheet after a second set time from the detection, and conveys the sheet toward the purge unit without stopping the operation when the multifeed sensor has detected the multifeed and the sheet sensor detects the trailing end of the sheet before the second set time elapses from the detection.Type: GrantFiled: February 14, 2023Date of Patent: April 22, 2025Assignee: Ricoh Company, LTD.Inventors: Akira Kunieda, Satoshi Kuno, Hirofumi Horita, Koju Kawakami, Yasunobu Kidoura, Ryohsuke Akaishi, Yohsuke Haraguchi
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Patent number: 12281231Abstract: Provided is an active-energy-ray-curable ink including at least a surface tension modifier and including a monomer having a surface tension of 39 mN/m or greater in an amount of 20% by mass or greater but 60% by mass or less. Preferably, the ink includes a monomer having a surface tension of 43 mN/m or greater in an amount of 5% by mass or greater but 10% by mass or less.Type: GrantFiled: January 21, 2020Date of Patent: April 22, 2025Assignee: Ricoh Company, Ltd.Inventors: Yukiko Ishijima, Satoshi Kojima, Takayuki Shimizu, Shin Hasegawa, Hiroki Kobayashi, Yuuki Matsushita
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Patent number: 12284451Abstract: An image capturing device includes: an image capturing lens having a central axis; and an image sensor having a sensor surface and a perpendicular line perpendicular to the sensor surface, the image sensor to capture an image of an object surface of an object. A Scheimpflug angle between the central axis and the perpendicular line is set to an angle other than 0° based on an angle ? obtained by subtracting an inclination angle of the object surface from 90°.Type: GrantFiled: March 17, 2023Date of Patent: April 22, 2025Assignee: Ricoh Company, Ltd.Inventors: Hibiki Tatsuno, Kohei Ushio
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Patent number: 12282764Abstract: An electronic apparatus for acquiring a program via a network, includes an input unit configured to receive a user operation, and circuitry configured to display, on a display, a list including a plurality of versions of firmware programs installable on the electronic apparatus, download a specific firmware program included in the list or a particular firmware program not included in the list, update a current firmware program being installed on the electronic apparatus with the downloaded specific firmware program or the particular firmware program; and enable function of the updated firmware program. When updating with the specific firmware program, in response to a designation operation, the circuitry enables functionality of the specific firmware program. When updating with the particular firmware program not included in the list, the circuitry enables functionality of the particular firmware program having the upgraded function version after updating the particular firmware program.Type: GrantFiled: June 9, 2020Date of Patent: April 22, 2025Assignee: RICOH COMPANY, LTD.Inventors: Ryoh Shimomoto, Tomoki Shibukawa, Genki Watanabe
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Patent number: 12282276Abstract: An image forming method to be performed by an image forming apparatus includes forming, transferring, fixing, and drying. The forming forms a foil portion to which foil is adhered on one surface of a recording medium. The transferring transfers an image to the one surface of the recording medium after the forming of the foil portion. The fixing fixes the image transferred to the one surface of the recording medium by the transferring of the image, to form a foil image portion including the foil portion and the image on the recording medium. The drying dries the recording medium on which the foil portion is formed, between the forming of the foil portion and the transferring of the image.Type: GrantFiled: November 28, 2023Date of Patent: April 22, 2025Assignee: RICOH COMPANY, LTD.Inventors: Yohhei Watanabe, Kenji Ishii, Kaori Hemmi
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Patent number: 12283032Abstract: An image processing device includes: a determination means for determining an image capturing means used for capturing at least one particular portion in a combined image in which a first partial image captured using a first image capturing means and a second partial image captured using a second image capturing means are stitched together; and a correction means for applying image correction to the combined image based on a determination result of the determination means.Type: GrantFiled: February 1, 2021Date of Patent: April 22, 2025Assignee: RICOH COMPANY, LTD.Inventor: Kazuhiro Yoshida
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Publication number: 20250121614Abstract: An image forming apparatus includes a conveyance device, a printing device, an image reading device, and circuitry. The image reading device reads a print position based on an image formed by the printing device. The circuitry detects an amount of change in the print position that is read relative to a target print position. The circuitry corrects an image position based on the detected amount of change. The image position is a position of an image to be formed on the recording medium in subsequent image formations. The circuitry determines the image position on the second side of the recording medium based on deviations of the print position on the first side of the recording medium from the target print position. The deviations include a deviation at a time of printing the first side, and a post-printing deviation after printing and are the detected amount of change.Type: ApplicationFiled: October 4, 2024Publication date: April 17, 2025Applicant: Ricoh Company, Ltd.Inventor: Noboru Hirano
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Publication number: 20250122036Abstract: A sheet feeder includes a sheet placement unit to place a sheet, and an indicator indicating a predetermined position at which the sheet is to be set on the sheet placement unit. The indicator is movable between a first position at which the indicator is adjacent to or in contact with the sheet on the sheet placement unit and a second position farther than the first position from the sheet placement unit.Type: ApplicationFiled: August 22, 2024Publication date: April 17, 2025Applicant: Ricoh Company, Ltd.Inventors: Hiroshi KUBO, Ryo KOBAYASHI, Ayumu HASHIMOTO, Shinya TAKAI, Takashi FUJII, Ryuichi SHIRANE, Takashi MUNAKATA, Makoto KURATA, Sakiko TOMIZAWA
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Publication number: 20250126082Abstract: An information processing system includes a user terminal that receives input from a user; an operator terminal that receives input from an operator; and one or more information processing apparatuses connected to the user terminal and the operator terminal. The information processing system includes circuitry configured to: acquire identification information from the user terminal and input information input to the user terminal; search response information for the input information; respond to the user terminal with the response information in response to the input information; determine, based on the identification information acquired from the user terminal, whether to perform a switching operation to perform a chat between the user terminal and the operator terminal; and control the switching operation based on a determination result.Type: ApplicationFiled: December 19, 2024Publication date: April 17, 2025Applicant: Ricoh Company, Ltd.Inventor: NAOYA KITOH
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Publication number: 20250124000Abstract: An information processing terminal, connected with an information processing device, enables viewing data managed in a data management device with ease. The data management device includes: circuitry; and a memory storing executable instructions which, when executed by the circuitry, cause the circuitry to: communicably connect with an information processing terminal and an information processing device via a network; transmit access information to the information processing device, the transmitted access information being used to view data stored in the memory; receive an acquisition request from the information processing device, the received acquisition request being transmitted in response to a user operation performed on the access information in the information processing terminal connected to the information processing device, and being used to acquire the data; and transmit the acquired data to the information processing device based on the access information included in the acquisition request.Type: ApplicationFiled: December 17, 2024Publication date: April 17, 2025Applicant: Ricoh Company, Ltd.Inventor: Baihain RIN
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Publication number: 20250121626Abstract: An enclosing device that inserts an enclosure into an envelope includes an envelope conveyance passage, a first conveyor, a second conveyor, a conveyance guide, and a flap opener. The envelope is conveyed in the envelope conveyance passage. The first conveyor conveys the envelope in the envelope conveyance passage. The second conveyor is positioned downstream from the first conveyor in a conveyance direction of the envelope in the envelope conveyance passage. The conveyance guide is positioned between the first conveyor and the second conveyor in the envelope conveyance passage. The flap opener opens a flap of the envelope. At least one of a part of the conveyance guide or one end of the flap opener is positioned to straddle the envelope conveyance passage.Type: ApplicationFiled: January 20, 2023Publication date: April 17, 2025Applicant: Ricoh Company, Ltd.Inventors: Michitaka SUZUKI, Nobuyoshi SUZUKI, Yuusuke SHIBASAKI, Takahiro MATSUDA, Atsushi SHINODA, Shingo YOSHIZAWA, Takahiro WATANABE, Takuya MORINAGA