Patents Assigned to KYOCERA Document Solutions Inc.
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Patent number: 11880163Abstract: A toner includes toner particles. The toner particles each include a toner mother particle and an external additive attached to the surface of the toner mother particle. The external additive includes specific external additive particles. The specific external additive particles have a number average primary particle diameter of at least 30 nm and no greater than 305 nm. The specific external additive particles include antimony-doped tin oxide particles or indium tin oxide particles. A ratio (MSb/(MSn+MSb)) of a mass (MSb) of an antimony atom to a total of the mass (MSb) of the antimony atom and a mass (MSn) of a tin atom in the antimony-doped tin oxide particles is at least 0.04 and no greater than 0.46.Type: GrantFiled: October 13, 2021Date of Patent: January 23, 2024Assignee: KYOCERA Document Solutions Inc.Inventors: Ryota Kobayashi, Naruo Yabe, Takeshi Arakawa, Takeo Mizobe, Masanori Sugahara
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Patent number: 11880156Abstract: The image forming apparatus includes a paper feed unit that stores print paper used for printing, a paper size sensor that detects a paper size of the print paper stored in the paper feed unit, a filter information setting unit that sets filter information indicating the paper size detected by the paper size sensor in association with the paper feed unit, and a paper catalog list generating unit that extracts a paper catalog matching the filter information from paper catalogs included in predetermined paper catalog data and generates a paper catalog list using the extracted paper catalog.Type: GrantFiled: November 12, 2021Date of Patent: January 23, 2024Assignee: KYOCERA DOCUMENT SOLUTIONS INC.Inventor: Hiroki Takehana
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Patent number: 11880621Abstract: Provided is an image forming apparatus capable of appropriately setting and adjusting the order of printing jobs by changing an internal priority. An instruction acquiring unit presents a job list in which a plurality of jobs is arranged in printing order, and it acquires a change instruction of the printing order. An internal priority setting unit sets, based on the change instruction acquired by the instruction acquiring unit, an internal priority that is different from set priority specified for each of the plurality of jobs. A list adjusting unit adjusts the printing order of an adding job according to the internal priority set by the internal priority setting unit and reflects adjustment in the job list. An image forming unit outputs each of the plurality of jobs in the printing order based on the job list adjusted by the list adjusting unit.Type: GrantFiled: January 16, 2023Date of Patent: January 23, 2024Assignee: KYOCERA Document Solutions Inc.Inventors: Kunihiko Shimamoto, Yoshihiro Osada, Taku Matsuo, Norifumi Miyahara
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Publication number: 20240017876Abstract: A packaging member includes a first partition plate and a second partition plate. The first partition plate has a first slit. The second partition plate has a second slit. The second slit is inserted into the first slit. The first slit includes a one-side cut surface and an other-side cut surface. The one-side cut surface has an engagement protrusion protruding toward the other-side cut surface. The second partition plate has an engagement hole. With the second partition plate inserted in the first slit, the engagement protrusion is inserted into the engagement hole to thereby couple the first partition plate and the second partition plate to each other.Type: ApplicationFiled: July 7, 2023Publication date: January 18, 2024Applicant: KYOCERA Document Solutions Inc.Inventor: Akinari TAKAHASHI
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Publication number: 20240022675Abstract: An image forming apparatus includes a storage device and a control device. The storage device stores a document. The control device includes a processor and functions, through the processor executing a control program, as a character recognizer and a tag generator. The character recognizer analyzes the document stored in the storage device and recognizes characters contained in the document. The tag generator analyzes, based on a recognition result of the character recognizer, a sequence of characters contained in the document and generates a tag expressing a feature of descriptive content of the document.Type: ApplicationFiled: July 5, 2023Publication date: January 18, 2024Applicant: KYOCERA Document Solutions Inc.Inventors: Keanu GO, Eliot Emerson UY, Romel DIANON, JR., Roy Vincent MARANON, Peter James BULAT-AG, J'mark RAMOS, Gerald GALANIDA, Hazel OZON, Fritzer ABAPO, Maria Johanna YBANEZ, Kenneth Kienzle ARRIETA, July DESCARTIN
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Publication number: 20240019798Abstract: A developing device includes a developing device case, a developer carrier, a regulating blade, a magnet member, and a blade magnet. The regulating blade forms a regulating part. Toner contains toner mother particles containing binder resin and magnetic powder, and silica particles and alumina particles adhered to surfaces of the toner mother particles. The alumina particles has a primary particle size of 150 nm or more and 400 nm or less, and resistivity of 0.1 ?m or more and 2 ?m or less. The developing device can execute a developer removal mode in which the developer carrier is rotated in a reverse direction opposite to a forward direction that is a rotation direction at image forming time, in a range of 1/18 or more and ? or less of an outer circumference length of the developer carrier, so as to remove the developer staying at the regulating part.Type: ApplicationFiled: July 7, 2023Publication date: January 18, 2024Applicant: KYOCERA Document Solutions Inc.Inventor: Seiji KIKUSHIMA
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Publication number: 20240017954Abstract: A sheet discharge device includes a discharge portion, a sheet stacking tray, a pair of alignment members and a pair of width regulation members, a shift portion, and a control portion. The pair of alignment members include an arm portion formed of a rigid body, and an alignment portion formed of a flat-shaped elastic material and fixed to a swingable end of the arm portion. In the sorting processing, when stacking a sheet at a first position, the control portion causes a first alignment member to ride on a top surface of the sheet and a first side edge of a second alignment member to make contact with the sheet, and, when stacking the sheet at a second position, causes the second alignment member to ride on the top surface of the sheet and the first side edge of the first alignment member to make contact with the sheet.Type: ApplicationFiled: July 7, 2023Publication date: January 18, 2024Applicant: KYOCERA Document Solutions Inc.Inventors: Hironori DAIGO, Shuji OSAKI
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Patent number: 11872820Abstract: A liquid leakage detection device includes a first absorption layer, a second absorption layer, and a pair of terminals. The first absorption layer absorbs liquid. The second absorption layer is stacked on the first absorption layer, and absorbs the liquid. The pair of terminals are in contact only with the second absorption layer.Type: GrantFiled: February 25, 2022Date of Patent: January 16, 2024Assignee: KYOCERA Document Solutions Inc.Inventors: Masanobu Maeshima, Yasuyuki Fukunaga, Kuniaki Araishi, Noriaki Furukawa, Haruki Sayama
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Patent number: 11873186Abstract: A document conveyance device includes a supply tray, a discharge tray, a conveyance part, a discharge part, and a lifting and lowering part. The lifting and lowering part lifts the supply tray and the discharge part according to a feeding of the document. When the feeding of the document to the document conveyance path is completed and then the supply tray is lifted, in a small number of documents discharge state where the height of the documents stacked on the discharge tray is less than the specified value, the lifting and lowering part positions the supply tray at a taking out position depart upward from the specified value by a predetermined space.Type: GrantFiled: December 10, 2021Date of Patent: January 16, 2024Assignee: KYOCERA Document Solutions Inc.Inventor: Hirofumi Hagihara
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Patent number: 11874623Abstract: An image forming apparatus includes a photoconductor drum and a drive device. A latent image is to be formed on the photoconductor drum. The drive device drives the photoconductor drum. The drive device includes a motor, a drive pulley, a driven pulley, and a metal belt. The drive pulley is provided for the motor. The driven pulley is provided for the photoconductor drum. The metal belt is wrapped around the drive pulley and the driven pulley.Type: GrantFiled: March 18, 2022Date of Patent: January 16, 2024Assignee: KYOCERA Document Solutions Inc.Inventor: Akihiro Yamaguchi
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Patent number: 11872825Abstract: A head cooling device includes a refrigerant supplying portion, a switching portion, and a switch processing portion. The refrigerant supplying portion supplies a refrigerant to each of a plurality of recording heads, which ejects ink, through a supplying path. The switching portion can switch a corresponding supplying path of at least one of the plurality of recording heads. The switch processing portion controls the switching portion to switch the corresponding supplying path so as to decrease the temperature difference among the plurality of recording heads.Type: GrantFiled: June 20, 2022Date of Patent: January 16, 2024Assignee: KYOCERA Document Solutions Inc.Inventor: Kakeru Tanaka
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Patent number: 11873410Abstract: An ink set includes an inkjet ink and a recording head filling liquid. The inkjet ink contains a pigment, water, and 1,2-alkanediol with a carbon number of at least 7 or 8. The recording head filling liquid contains a specific surfactant, water, and a specific alcohol compound with a carbon number of at least 10 and no greater than 12. The specific surfactant has an HLB value of no greater than 5.0. An amount of content of the specific alcohol compound in the recording head filling liquid is at least 0.1 ppm and no greater than 1.0 ppm.Type: GrantFiled: April 25, 2022Date of Patent: January 16, 2024Assignee: KYOCERA Document Solutions Inc.Inventor: Noriaki Ozawa
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Patent number: 11874615Abstract: A developing device includes a developing container, a first stirring conveyance member, a second stirring conveyance member, a developer carrying member including a developing sleeve and a magnet, and a regulation member. The regulation pole in the magnet has a region extending over 10° or more in which a maximum value of a vertical magnetic force is not more than 65 [mT] and a vertical magnetic force gradient is not more than 0.3 [mT/°]. A peak position of the vertical magnetic force gradient of the regulation pole is arranged at a position opposed to the second stirring conveyance member, and when a value of the vertical magnetic force gradient and a value of the vertical magnetic force at the peak position of the vertical magnetic force gradient are indicated as A [mT/°] and K [mT], respectively, A?2.8 and A×K?62.5 are satisfied.Type: GrantFiled: July 7, 2022Date of Patent: January 16, 2024Assignee: KYOCERA DOCUMENT SOLUTIONS INC.Inventors: Tamotsu Shimizu, Akihiro Watanabe, Ryo Yamada, Uto Syu, Yuji Toyota, Yasuhiro Tauchi
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Patent number: 11874616Abstract: A developer conveying mechanism includes a pipe-shaped conveying path that conveys developer and includes a discharge port formed in part of a side surface thereof, a shutter that is slidably attached to the pipe-shaped conveying path and that is selectively arranged at a closing position overlapping with the discharge port and an opening position retreated from the discharge port, a seal member that is fixed to a seal affixing surface of the shutter, and a biasing member that biases the shutter toward the closing position. The shutter includes the seal affixing surface, which is a flat surface, and a pair of engagement portions that are opposite to each other across the seal affixing surface in a circumferential direction of the pipe-shaped conveying path. The pipe-shaped conveying path includes a pair of guide ribs with which the pair of engagement portions slidably engage.Type: GrantFiled: February 10, 2023Date of Patent: January 16, 2024Assignee: KYOCERA DOCUMENT SOLUTIONS INC.Inventor: Geki Son
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Patent number: 11872818Abstract: An image forming apparatus includes a housing, a container body, and an electrostatic capacitance sensor. The container body contains a liquid and is placed on a ground surface which is a part of the housing. The electrostatic capacitance sensor detects a change in capacitance between a side surface of the container body and the ground surface to determine a change in quantity of the liquid in the container body. The top surface of the container body is a part of the housing. The top surface and the ground surface are in electrically conductive state, a distance between the top surface and the electrostatic capacitance sensor is longer than a distance between the ground surface and the electrostatic capacitance sensor, or the top surface and the ground surface are electrically insulated, or the top surface is opened.Type: GrantFiled: March 9, 2022Date of Patent: January 16, 2024Assignee: KYOCERA Document Solutions Inc.Inventors: Masaki Murashima, Mitsuhiro Goda
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Patent number: 11874630Abstract: A pale-color toner includes toner particles. The toner particles each include a toner mother particle and an external additive attached to a surface of the toner mother particle. The external additive includes specific external additive particles. The specific external additive particles have a number average primary particle diameter of at least 30 nm and no greater than 305 nm. The specific external additive particles include antimony-doped tin oxide particles. A ratio (MSb/(MSn+MSb)) of a mass (MSb) of an antimony atom to a total of the mass (MSb) of the antimony atom and a mass (MSn) of a tin atom in the antimony-doped tin oxide particles is at least 0.04 and no greater than 0.31.Type: GrantFiled: October 13, 2021Date of Patent: January 16, 2024Assignee: KYOCERA Document Solutions Inc.Inventor: Ryota Kobayashi
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Publication number: 20240012356Abstract: An image forming apparatus includes: a conveyance device; an image forming device that forms an image on a recording paper sheet conveyed by the conveyance device; and a controller that determines a conveyance speed for the recording medium in accordance with a predetermined condition and allows the conveyance device to convey the recording medium at the determined conveyance speed for the recording medium. In allowing the conveyance device to convey the recording paper sheet and subsequently allowing the conveyance device to convey a slip sheet, the controller allows the conveyance device to convey the slip sheet at the same speed as the determined conveyance speed for the recording paper sheet.Type: ApplicationFiled: July 29, 2022Publication date: January 11, 2024Applicant: KYOCERA Document Solutions Inc.Inventor: Hiroki TAKEHANA
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Publication number: 20240010453Abstract: A sheet conveyance device includes a sheet conveyance passage, a mounting plate, and a sheet detection sensor. The mounting plate is fixed to a recessed portion formed in the inner wall surface of the sheet conveyance passage at its one side it. The sheet detection sensor is fitted on the mounting plate. The sheet detection sensor has a sensor surface. The mounting plate has a mounting surface on which the sheet detection sensor is mounted and a first projection piece which projects from the mounting surface toward the sheet conveyance passage and which is grounded. The first projection piece is disposed upstream, in the sheet conveyance direction, of the sheet detection sensor on the mounting plate. The distance from the mounting surface to the distal end of the first projection piece is greater than the distance from the mounting surface to the sensor surface.Type: ApplicationFiled: November 4, 2021Publication date: January 11, 2024Applicant: KYOCERA Document Solutions Inc.Inventor: Yuichiro TANAKA
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Publication number: 20240010452Abstract: A sheet feeder includes: a sheet feed roller holding member that holds a pick-up roller capable of coming into contact with and away from a top surface of a sheet, supports the pick-up roller rotatably, and pivotally moves while urging the pick-up roller toward contact with the top surface of the sheet; a restricting member that restricts pivotal movement of the sheet feed roller holding member, resulting in restriction of movement of the pick-up roller toward the contact with the top surface of the sheet; and a restriction cancelling portion that is provided in a sheet feed cassette and abuts against the restricting member to apply to the restricting member a pressing force from the sheet feed cassette, thus cancelling the restriction of the restricting member.Type: ApplicationFiled: June 25, 2023Publication date: January 11, 2024Applicant: KYOCERA Document Solutions Inc.Inventor: Akira ISHII
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Publication number: 20240010451Abstract: An image forming apparatus for a first purpose forms an image on a sheet, according to a sheet type. The image forming apparatus for the first purpose includes a conversion device and an image forming device. The conversion device converts second information for defining the sheet type in association with another image forming apparatus for a second purpose different from the first purpose, into third information of a same format as the first information for defining the sheet type in association with the image forming apparatus for the first purpose. The image forming device forms an image on the sheet P according to the third information, when the sheet P, the sheet type of which has been defined by the second information, is designated. The first information and the third information each define the sheet type more detailedly than the second information.Type: ApplicationFiled: June 27, 2023Publication date: January 11, 2024Applicant: KYOCERA Document Solutions Inc.Inventors: Daiki SONE, Hiroki TAKEHANA
