Patents by Inventor Yasunari Miyazaki
Yasunari Miyazaki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240085840Abstract: Presented is an image forming apparatus that includes a plurality of photoconductors, a sensor, a first memory, and a processor. The photoconductors include first and second photoconductors on which a toner image is formed in response to an image being formed. The sensor detects a physical amount that changes in response to a deterioration state of the first photoconductor. The first memory collects and stores a history of the physical amount and usage status information relating to a usage status of the first photoconductor. The processor performs a prediction of a lifespan of the second photoconductor and determination of a failure of the second photoconductor based on the history of the physical amount and the usage status information of the first photoconductor, and usage status information relating to a usage status of the second photoconductor.Type: ApplicationFiled: September 9, 2022Publication date: March 14, 2024Inventor: Yasunari Miyazaki
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Publication number: 20230185224Abstract: An image forming apparatus includes a photoconductor, a charger, a detection unit, and a determination unit. The charger charges the photoconductor. The detection unit detects an actual charging potential of the photoconductor after the photoconductor is charged by the charger. The determination unit determines one of a plurality of causes related to a charging abnormality of the photoconductor based on a relationship between a standard charging potential of the photoconductor to be obtained by charging by the charger and a charging potential detected by the detection unit.Type: ApplicationFiled: February 3, 2023Publication date: June 15, 2023Inventor: Yasunari Miyazaki
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Patent number: 11675558Abstract: An image forming apparatus includes an electrophotographic process assembly, a processor, and a memory. The electrophotographic process assembly is configured to transfer a toner image formed on a photoconductive body rotating around an axis extending in a main scanning direction onto a sheet conveyed in a sub-scanning direction orthogonal to the main scanning direction. The processor and memory are configured to store a print amount in a plurality of divided sections corresponding to the main scanning direction, acquire the print amount from a monitoring section in one or more monitoring target groupings corresponding to a predetermined section included in the plurality of divided sections, calculate an integrated print amount in the monitoring section, and output information relating to the monitoring target grouping corresponding to the integrated print amount in the monitoring section.Type: GrantFiled: March 18, 2022Date of Patent: June 13, 2023Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventor: Yasunari Miyazaki
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Patent number: 11599051Abstract: An image forming apparatus includes a photoconductor, a charger, a detection unit, and a determination unit. The charger charges the photoconductor. The detection unit detects an actual charging potential of the photoconductor after the photoconductor is charged by the charger. The determination unit determines one of a plurality of causes related to a charging abnormality of the photoconductor based on a relationship between a standard charging potential of the photoconductor to be obtained by charging by the charger and a charging potential detected by the detection unit.Type: GrantFiled: August 11, 2021Date of Patent: March 7, 2023Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventor: Yasunari Miyazaki
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Publication number: 20230049232Abstract: An image forming apparatus includes a photoconductor, a charger, a detection unit, and a determination unit. The charger charges the photoconductor. The detection unit detects an actual charging potential of the photoconductor after the photoconductor is charged by the charger. The determination unit determines one of a plurality of causes related to a charging abnormality of the photoconductor based on a relationship between a standard charging potential of the photoconductor to be obtained by charging by the charger and a charging potential detected by the detection unit.Type: ApplicationFiled: August 11, 2021Publication date: February 16, 2023Inventor: Yasunari Miyazaki
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Publication number: 20220233656Abstract: The present invention relates to an antibacterial composition and the like having antibacterial property against Acinetobacter. The present invention provides an antibacterial composition comprising a complex of lysozyme and chitosan bound together, with antibacterial property against Acinetobacter; and a pharmaceutical composition for treating or preventing an Acinetobacter infection, comprising a complex of lysozyme and chitosan bound together.Type: ApplicationFiled: May 27, 2020Publication date: July 28, 2022Applicants: NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITY, WAKO FILTER TECHNOLOGY CO., LTD.Inventors: Yasunari MIYAZAKI, Hiroki KAGESHIMA, Akira SAITO
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Patent number: 11204564Abstract: An image forming apparatus includes a photoreceptor, a charger, an exposure unit, and a control unit. The charger charges a surface of the photoreceptor. The exposure unit exposes the photoreceptor charged by the charger using a light-emitting diode. The amount of light of a light-emitting diode gradually decreases over time. The control unit controls the exposure unit so that exposure energy by the exposure unit is constant.Type: GrantFiled: February 25, 2021Date of Patent: December 21, 2021Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventor: Yasunari Miyazaki
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Publication number: 20210311074Abstract: Disclosed is a method for obtaining information on a risk of a decrease in a respiratory function of a patient with interstitial pneumonia, the method comprising measuring at least one biomarker in a biological sample of the patient with interstitial pneumonia, wherein the biomarker comprises CCL17 and CXCL9, and a measurement result of the biomarker is an index of the risk of a decrease in the respiratory function of the patient.Type: ApplicationFiled: April 16, 2021Publication date: October 7, 2021Applicants: National University Corporation Tokyo Medical and Dental University, SYSMEX CORPORATIONInventors: Yasunari MIYAZAKI, Yoshihisa NUKUI, Takehiro HASEGAWA
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Publication number: 20210286286Abstract: An image forming apparatus includes a photoreceptor, a charger, an exposure unit, and a control unit. The charger charges a surface of the photoreceptor. The exposure unit exposes the photoreceptor charged by the charger using a light-emitting diode. The amount of light of a light-emitting diode gradually decreases over time. The control unit controls the exposure unit so that exposure energy by the exposure unit is constant.Type: ApplicationFiled: February 25, 2021Publication date: September 16, 2021Applicant: TOSHIBA TEC KABUSHIKI KAISHAInventor: Yasunari MIYAZAKI
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Patent number: 10962898Abstract: An image forming apparatus includes a photoreceptor, a charger, an exposure unit, and a control unit. The charger charges a surface of the photoreceptor. The exposure unit exposes the photoreceptor charged by the charger using a light-emitting diode. The amount of light of a light-emitting diode gradually decreases over time. The control unit controls the exposure unit so that exposure energy by the exposure unit is constant.Type: GrantFiled: March 12, 2020Date of Patent: March 30, 2021Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventor: Yasunari Miyazaki
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Patent number: 10884359Abstract: An image forming apparatus includes a photoconductive drum, a primary transfer belt, a secondary transfer counter roller, a secondary transfer roller, a bias control circuit, a belt cleaner, and a processor. The photoconductive drum forms a toner image. The primary transfer belt comes in contact with the photoconductive drum and receives the toner image from the photoconductive drum. The secondary transfer counter roller moves the primary transfer belt. The secondary transfer roller presses a printing medium against the primary transfer belt to transfer the toner image on the primary transfer belt to the printing medium. The bias control circuit applies a bias to the secondary transfer roller. The belt cleaner is in contact with the primary transfer belt and removes attached matters from the primary transfer belt. When a printing operation is interrupted, a cleaning operation can be executed to remove residuals on the primary transfer belt.Type: GrantFiled: March 17, 2020Date of Patent: January 5, 2021Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventors: Yasunari Miyazaki, Tomoyuki Kato
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Publication number: 20200249595Abstract: An image forming apparatus includes a photoconductive drum, a primary transfer belt, a secondary transfer counter roller, a secondary transfer roller, a bias control circuit, a belt cleaner, and a processor. The photoconductive drum forms a toner image. The primary transfer belt comes in contact with the photoconductive drum and receives the toner image from the photoconductive drum. The secondary transfer counter roller moves the primary transfer belt. The secondary transfer roller presses a printing medium against the primary transfer belt to transfer the toner image on the primary transfer belt to the printing medium. The bias control circuit applies a bias to the secondary transfer roller. The belt cleaner is in contact with the primary transfer belt and removes attached matters from the primary transfer belt. When a printing operation is interrupted, a cleaning operation can be executed to remove residuals on the primary transfer belt.Type: ApplicationFiled: March 17, 2020Publication date: August 6, 2020Applicant: TOSHIBA TEC KABUSHIKI KAISHAInventors: Yasunari MIYAZAKI, Tomoyuki KATO
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Patent number: 10613455Abstract: An image forming apparatus includes a photoconductive drum, a primary transfer belt, a secondary transfer counter roller, a secondary transfer roller, a bias control circuit, a belt cleaner, and a processor. The photoconductive drum forms a toner image. The primary transfer belt comes in contact with the photoconductive drum and receives the toner image from the photoconductive drum. The secondary transfer counter roller moves the primary transfer belt. The secondary transfer roller presses a printing medium against the primary transfer belt to transfer the toner image on the primary transfer belt to the printing medium. The bias control circuit applies a bias to the secondary transfer roller. The belt cleaner is in contact with the primary transfer belt and removes attached matters from the primary transfer belt. When a printing operation is interrupted, a cleaning operation can be executed to remove residuals on the primary transfer belt.Type: GrantFiled: February 1, 2019Date of Patent: April 7, 2020Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventors: Yasunari Miyazaki, Tomoyuki Kato
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Publication number: 20190053489Abstract: A novel antimicrobial composition useful against infectious microbes which cause respiratory infectious diseases employs highly safe natural food additives and comprises a complex of lysozyme and chitosan bound to each other which has an antimicrobial property against an infectious microbe which causes respiratory infectious diseases.Type: ApplicationFiled: February 6, 2017Publication date: February 21, 2019Inventors: Yasunari MIYAZAKI, Hiroki KAGESHIMA, Akira SAITO
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Patent number: 9964923Abstract: According to one embodiment, an estimation unit corrects ambient temperatures or ambient humidities measured by an environment measurement unit on the basis of calculating an estimated temperature or humidity from measured temperatures or humidities and temperature correction values or humidity correction values, so as to estimate ambient temperatures or ambient humidities of other photoconductors of which the ambient temperatures or the ambient humidities are not measured. A control unit determines image formation conditions for the image forming units forming images on the photoconductors of which the ambient temperatures or the ambient humidities are not measured, on the basis of the ambient temperatures or the ambient humidities estimated by the estimation unit.Type: GrantFiled: November 30, 2017Date of Patent: May 8, 2018Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHAInventor: Yasunari Miyazaki
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Patent number: 9864335Abstract: According to one embodiment, an estimation unit corrects ambient temperatures or ambient humidities measured by an environment measurement unit on the basis of conduction states of charging members provided in the one or more image forming units, so as to estimate ambient temperatures or ambient humidities of other photoconductors of which the ambient temperatures or the ambient humidities are not measured. A control unit determines image formation conditions for the image forming units forming images on the photoconductors of which the ambient temperatures or the ambient humidities are not measured, on the basis of the ambient temperatures or the ambient humidities estimated by the estimation unit.Type: GrantFiled: March 22, 2017Date of Patent: January 9, 2018Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHAInventor: Yasunari Miyazaki
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Patent number: 9632470Abstract: According to an example of an image forming apparatus, the apparatus includes an image forming unit configured to form a toner image by developing an electrostatic latent image formed on an image carrier using a toner and fixes the toner image on a recording medium, a count unit configured to count a use amount of a consumption component or an apparatus which are used in the image forming unit according to a image forming condition in the image forming unit, and a count changing unit configured to determine the toner used in the image forming unit and changes a count method of the count unit set according to the image forming condition in response to a determined result.Type: GrantFiled: June 20, 2016Date of Patent: April 25, 2017Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHAInventor: Yasunari Miyazaki
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Patent number: 9630438Abstract: Certain embodiments provide a marking apparatus that including a determination section configured to determine the type of a medium on which an image is formed with decolorable image forming material, a recording section configured to record a mark indicating the decolored times of the image on the medium on which the image is formed with the decolorable image forming material, and a change section configured to change a recording method of the mark recorded by the recording section according to the determination result of the medium determined by the determination section.Type: GrantFiled: January 25, 2016Date of Patent: April 25, 2017Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHAInventors: Yasunari Miyazaki, Masato Ogasawara, Daisuke Yamashita
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Publication number: 20170090377Abstract: According to an example of an image forming apparatus, the apparatus includes an image forming unit configured to form a toner image by developing an electrostatic latent image formed on an image carrier using a toner and fixes the toner image on a recording medium, a count unit configured to count a use amount of a consumption component or an apparatus which are used in the image forming unit according to a image forming condition in the image forming unit, and a count changing unit configured to determine the toner used in the image forming unit and changes a count method of the count unit set according to the image forming condition in response to a determined result.Type: ApplicationFiled: June 20, 2016Publication date: March 30, 2017Inventor: Yasunari Miyazaki
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Patent number: 9395669Abstract: According to an example of an image forming apparatus, the apparatus includes an image forming unit configured to form a toner image by developing an electrostatic latent image formed on an image carrier using a toner and fixes the toner image on a recording medium, a count unit configured to count a use amount of a consumption component or an apparatus which are used in the image forming unit according to a image forming condition in the image forming unit, and a count changing unit configured to determine the toner used in the image forming unit and changes a count method of the count unit set according to the image forming condition in response to a determined result.Type: GrantFiled: September 25, 2015Date of Patent: July 19, 2016Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHAInventor: Yasunari Miyazaki