Patents by Inventor Kohji Ue
Kohji Ue 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: 20230308764Abstract: A display terminal includes circuitry that: displays, on a display, a predetermined-area moving image, the predetermined-area moving image representing a predetermined area of a wide-view moving image having a wide angle of view; receives designation of a specific object visible in the predetermined-area moving image displayed on the display; and displays, on the display, the predetermined-area moving image such that movement of the specific object that is designated is tracked to make the specific object continuously visible in the predetermined-area moving image.Type: ApplicationFiled: March 21, 2023Publication date: September 28, 2023Inventors: Hiroshi HINOHARA, Kohji UE, Kyoya SAWADA, Hidekuni ANNAKA, Takeshi HOMMA, Daisuke SAITOH
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Publication number: 20230308762Abstract: A display terminal includes circuitry that: receives an instruction to play back a moving image associated with a predetermined-area still image, the predetermined-area still image representing a predetermined area of a wide-view still image displayed on a display and having a wide angle of view; and in response to the instruction to play back the moving image, controls a display to display a predetermined-area moving image, based on point-of-view information indicating the predetermined area represented by the predetermined-area still image, the predetermined-area moving image representing a predetermined area of a wide-view moving image including the wide-view still image.Type: ApplicationFiled: March 3, 2023Publication date: September 28, 2023Inventors: Kohji UE, Hidekuni ANNAKA, Daisuke SAITOH, Takeshi HOMMA, Kyoya SAWADA
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Publication number: 20140348520Abstract: An area calculating unit calculates an image area of a toner image formed on a sheet recording member. A behavior detecting unit detects behavior of the recording member fed out of a conveying nip formed by a pair of conveying members. A thickness obtaining unit obtains thickness information of the recording member. An index calculating unit calculates an index value indicating windability of the recording member with respect to the conveying members based on the image area, the behavior, and the thickness information.Type: ApplicationFiled: August 18, 2014Publication date: November 27, 2014Inventors: Osamu SATOH, Yasushi NAKAZATO, Kohji UE, Jun YAMANE
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Patent number: 8843004Abstract: An area calculating unit calculates an image area of a toner image formed on a sheet recording member. A behavior detecting unit detects behavior of the recording member fed out of a conveying nip formed by a pair of conveying members. A thickness obtaining unit obtains thickness information of the recording member. An index calculating unit calculates an index value indicating windability of the recording member with respect to the conveying members based on the image area, the behavior, and the thickness information.Type: GrantFiled: October 4, 2012Date of Patent: September 23, 2014Assignee: Ricoh Company, Ltd.Inventors: Osamu Satoh, Yasushi Nakazato, Kohji Ue, Jun Yamane
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Patent number: 8768186Abstract: An apparatus, system, and method of predicting failure of a fixing device of an image forming apparatus are provided. Based on a plurality of sheet transfer time values of the fixing device, a first characteristic value that is an average value of the plurality of sheet transfer time values, and at least one of a second characteristics value that indicates the variance of the plurality of sheet transfer time values and a third characteristics value that indicates the maximum value of the plurality of sheet transfer time values are calculated. Using a determination result generated based on the first characteristics value and the at least one of the second and third characteristics values, failure of the fixing device is predicted.Type: GrantFiled: June 24, 2010Date of Patent: July 1, 2014Assignee: Ricoh Company, LimitedInventors: Mikiko Imazeki, Yasushi Nakazato, Osamu Satoh, Masahide Yamashita, Jun Yamane, Kohji Ue
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Patent number: 8531696Abstract: A management apparatus includes: a receiver that receives, via a network, status data based on control system data for stabilizing image forming from an image forming apparatus formed by image forming units; an inference unit that determines abnormality occurrence symptom, and calculates an index of the abnormality occurrence symptom, of the image forming units based on the received status data; a replacement part information acquisition unit that acquires information including a replacement date from a maintenance management system via the network when receiving a diagnosis request from a terminal of a maintenance person; a judgment table generator that calculates weight information of the symptom determination index value; a integrated diagnostic information generator for the image forming units based on the symptom determination index value and the weight information; and a integrated diagnostic information notification unit transmitting the integrated diagnostic value information to the terminal of the maType: GrantFiled: September 28, 2011Date of Patent: September 10, 2013Assignee: Ricoh Company, LimitedInventors: Masaichi Sawada, Yasushi Nakazato, Kohji Ue, Mikiko Imazeki, Osamu Satoh, Masahide Yamashita, Jun Yamane
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Patent number: 8478561Abstract: A rotation measuring mechanism capable of measuring a rotation amount and a displacement amount of a rotary member in a direction perpendicular to the rotation axis is provided. An exemplary combination of the rotation measuring mechanism includes a detection target rotating in synchrony with the rotary member and range sensors. Each time the detection target rotates once, each sensor outputs one cycle of a sine wave. The amplitude of the sine wave output from the sensor varies in accordance with the displacement of the detection target together with the rotary member in the direction perpendicular to the axis, thereby obtaining the rotation amount and the displacement amount of the rotary member.Type: GrantFiled: November 1, 2010Date of Patent: July 2, 2013Assignee: Ricoh Company, Ltd.Inventors: Osamu Satoh, Yasushi Nakazato, Kohji Ue, Mikiko Imazeki, Masahide Yamashita, Jun Yamane
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Patent number: 8472818Abstract: An image carrier deterioration degree evaluating apparatus for evaluating a degree of deterioration of an image carrier of an image forming apparatus, the image carrier deterioration degree evaluating apparatus including: an image deletion detecting unit that detects image deletion by obtaining latent image information written on the image carrier; an image deletion reducing unit that performs a process of reducing image deletion when the image deletion detecting unit detects image deletion, and an image carrier deterioration degree evaluating unit that drives the image deletion detecting unit and the image deletion reducing unit alternately one or more times each, and evaluates a degree of deterioration of the image carrier by using the latent image information obtained one or more times by the image deletion detecting unit.Type: GrantFiled: January 7, 2011Date of Patent: June 25, 2013Assignee: Ricoh Company, Ltd.Inventors: Jun Yamane, Yasushi Nakazato, Kohji Ue, Masahide Yamashita, Mikiko Imazeki, Yasuo Suzuki, Michio Kimura, Takaaki Ikegami, Yoshiaki Kawasaki, Hideo Nakamori, Akihiro Sugino
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Patent number: 8385756Abstract: A first feature quantity computing unit that computes a first feature quantity representing an average of a plurality of driving loads recorded by a driving load of a fixing section recording unit of an image forming device that records the driving load acquired by a driving load acquiring unit that acquires the driving load, a second feature quantity computing unit that computes a second feature quantity representing a deviation of the plurality of the driving loads, and a diagnosis unit that performs failure diagnosis including estimation of a cause of a failure of the fixing section using the first feature quantity and the second feature quantity are used.Type: GrantFiled: August 30, 2010Date of Patent: February 26, 2013Assignee: Ricoh Company, LimitedInventors: Ryota Yamashina, Yasushi Nakazato, Osamu Satoh, Kohji Ue, Mikiko Imazeki, Masahide Yamashita, Jun Yamane
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Publication number: 20130028615Abstract: An area calculating unit calculates an image area of a toner image formed on a sheet recording member. A behavior detecting unit detects behavior of the recording member fed out of a conveying nip formed by a pair of conveying members. A thickness obtaining unit obtains thickness information of the recording member. An index calculating unit calculates an index value indicating windability of the recording member with respect to the conveying members based on the image area, the behavior, and the thickness information.Type: ApplicationFiled: October 4, 2012Publication date: January 31, 2013Inventors: Osamu SATOH, Yasushi Nakazato, Kohji Ue, Jun Yamane
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Patent number: 8358941Abstract: A management device for an image forming apparatus including a status data collection unit where multiple types of status data are received from the image forming apparatus and stored in a status database, a target data creation unit where multiple types of target data are created based upon the multiple types of status data, a first stage determination unit where the multiple types of target data are identified as being above or below reference values set for each type, and a second stage determination unit where a weight value set for each status data type is attached to the determination results of the multiple types of status data of the first stage determination unit and as a whole of the multiple types of status data determined with majority logic for abnormal occurrence prediction.Type: GrantFiled: October 13, 2011Date of Patent: January 22, 2013Assignee: Ricoh Company, Ltd.Inventors: Yasushi Nakazato, Kohji Ue, Jun Yamane, Osamu Satoh, Masahide Yamashita
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Patent number: 8339637Abstract: A data collecting unit receives a plurality of types of status data from an image forming apparatus and stores the status data in a status database. A data generating unit generates a plurality of types of target data for determining a maintenance sign, based on the status data. A first determining unit determines whether each of the status data exceeds a predetermined reference value. A second determining unit performs weighted majority decision based on a determination result from the first determining unit and a weight value set for each of the status data, and determines whether there is a maintenance sign taking all the status data into consideration.Type: GrantFiled: August 1, 2008Date of Patent: December 25, 2012Assignee: Ricoh Company, Ltd.Inventors: Yasushi Nakazato, Takenori Oku, Jun Yamane, Osamu Satoh, Kohji Ue, Masahide Yamashita
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Patent number: 8294918Abstract: An image forming apparatus includes a failure prediction unit, an image identification unit, a simulated-image generating unit, and an output unit. The failure prediction unit prepares an index value indicating a condition of the image forming apparatus based on multidimensional signal, obtained by monitoring the image forming apparatus, and compares the index value with a first threshold value to predict a failure mode of the image forming apparatus. The image identification unit identifies types of abnormal images based on the failure mode predicted by the failure prediction unit. An identified abnormal image is predicted to be appear a given time later. The simulated-image generating unit generates a simulated image of the identified abnormal image. The output unit outputs the identified abnormal image as the simulated image.Type: GrantFiled: September 18, 2007Date of Patent: October 23, 2012Assignee: Ricoh Company, Ltd.Inventors: Osamu Satoh, Yasushi Nakazato, Kohji Ue, Masahide Yamashita, Jun Yamane, Masaichi Sawada, Noriyuki Ochiai, Shintaroh Takahashi
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Patent number: 8200101Abstract: A system abnormality determining method comprises the steps of transmitting fake abnormal information representing an abnormal condition of the target instrument from the target instrument to a condition determination device via a network during a test operation of the target instrument instead of condition information, determining if the condition determination device can determine the target instrument as being abnormal based on the fake abnormal information, and operating the target instrument in a normal operation condition when the condition determination device can determine the target instrument as being abnormal.Type: GrantFiled: June 18, 2009Date of Patent: June 12, 2012Assignee: Ricoh Company, LimitedInventors: Kohji Ue, Yasushi Nakazato, Osamu Satoh, Masahide Yamashita, Jun Yamane
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Patent number: 8190037Abstract: A fault prediction method predicts a plurality of faults in a target device, and includes the steps of collecting internal information of the target device output from the target device, generating one or more criteria for defining a deviation from a normal state based on the collected internal information of the target device, incorporating the one or more criteria into a device state discriminator, identifying a deviation from a normal state in the target device according to the one or more criteria using the device state discriminator, and outputting a fault prediction as a result of the identifying step to a user. One or more of the steps are performed by a processor.Type: GrantFiled: June 19, 2009Date of Patent: May 29, 2012Assignee: Ricoh Company, LimitedInventors: Yasushi Nakazato, Osamu Satoh, Kohji Ue, Masahide Yamashita, Jun Yamane
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Patent number: 8175470Abstract: An image forming apparatus is provided. The image forming apparatus includes an acquiring unit that acquires a plurality of types of operation control information of the image forming apparatus that indicate deterioration of a toner in the image forming apparatus or deterioration of a component of the image forming apparatus. An index value calculating unit calculates an index value indicating a state of the image forming apparatus based on the acquired operation control information. An abnormality judging unit judges whether the image forming apparatus abnormality has occurred and predicts an occurrence of a failure that requires maintenance of the image forming apparatus due to deterioration of the toner in the image forming apparatus or deterioration of the component of the image forming apparatus based on the index value.Type: GrantFiled: April 29, 2011Date of Patent: May 8, 2012Assignee: Ricoh Company, LimitedInventors: Yasushi Nakazato, Kohji Ue, Osamu Satoh, Masahide Yamashita, Jun Yamane, Hitoshi Shimizu, Shuji Hirai, Takenori Oku
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Patent number: 8175849Abstract: A determining unit determines whether the printer is in the predictive failure state based on the internal information of the printer acquired by the information acquiring unit. A failure risk computing unit performs a failure risk determination process for determining the size of failure risk of the printer when the printer is in the predictive failure state. The determination result is reported to a maintenance person or a user. In this way, the maintenance person or the user who receives the report can definitely grasp a degree of urgency of maintenance at that point.Type: GrantFiled: September 24, 2009Date of Patent: May 8, 2012Assignee: Ricoh Company, LimitedInventors: Masahide Yamashita, Yasushi Nakazato, Osamu Satoh, Kohji Ue, Jun Yamane
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Patent number: 8150278Abstract: In an image forming apparatus, a cleaning blade cleans residual toner adhered on the surface of an image carrier and a sound sensor collects a sound generated inside a casing of the image forming apparatus. A determining unit determines, based on the sound collected by the sound sensor, whether cleaning failure has occurred in the cleaning blade. The determining unit makes the determination based on at least intensity of a first sound component that is a sound component of a first frequency and intensity of a second sound component that is a sound component of a second frequency different from the first frequency.Type: GrantFiled: January 16, 2009Date of Patent: April 3, 2012Assignee: Ricoh Company, LimitedInventors: Osamu Satoh, Yasushi Nakazato, Kohji Ue, Masahide Yamashita, Jun Yamane, Shokichiro Hino
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Publication number: 20120075659Abstract: A management apparatus includes: a receiver that receives, via a network, status data based on control system data for stabilizing image forming from an image forming apparatus formed by image forming units; an inference unit that determines abnormality occurrence symptom, and calculates an index of the abnormality occurrence symptom, of the image forming units based on the received status data; a replacement part information acquisition unit that acquires information including a replacement date from a maintenance management system via the network when receiving a diagnosis request from a terminal of a maintenance person; a judgment table generator that calculates weight information of the symptom determination index value; a integrated diagnostic information generator for the image forming units based on the symptom determination index value and the weight information; and a integrated diagnostic information notification unit transmitting the integrated diagnostic value information to the terminal of the maType: ApplicationFiled: September 28, 2011Publication date: March 29, 2012Inventors: Masaichi Sawada, Yasushi Nakazato, Kohji Ue, Mikiko Imazeki, Osamu Satoh, Masahide Yamashita, Jun Yamane
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Publication number: 20120065885Abstract: A maintenance support device, supporting a maintenance work by providing a maintenance worker with information useful for a maintenance object, includes: a data storage unit; a characteristic acquiring unit that acquires a narrowing-down useful characteristic value; an information receiving unit that receives maintenance execution information; a storage process executing unit that executes a process of storing the maintenance execution information in association with execution timing information; and a graph image providing unit that forms a graph image in which a graph indicating a change in a plurality of narrowing-down useful characteristic values and a mark representing the execution timing are drawn in two dimensional coordinates including a value axis which is a coordinate axis for representing a value magnitude of the narrowing-down useful characteristic value and an operation axis which is a coordinate axis for representing the number of operation times or an operation time of the maintenance object.Type: ApplicationFiled: September 1, 2011Publication date: March 15, 2012Inventors: Mikiko IMAZEKI, Yasushi Nakazato, Osamu Satoh, Masahide Yamashita, Jun Yamane, Kohji Ue, Masaichi Sawada