Patents by Inventor Masayuki SUNAOSHI
Masayuki SUNAOSHI 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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Patent number: 11939715Abstract: A liquid discharge apparatus includes a liquid discharge head including a nozzle face in which a nozzle is formed and configured to discharge a liquid, a carriage on which the liquid discharge head is mounted, and a guide shaft configured to hold the carriage movably. The liquid discharge apparatus further includes a driver configured to move the carriage, and a coupling between the carriage and the driver. The coupling is disposed on an axis of the guide shaft in a direction orthogonal to the axis of the guide shaft.Type: GrantFiled: December 16, 2019Date of Patent: March 26, 2024Assignee: RICOH COMPANY, LTD.Inventor: Masayuki Sunaoshi
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Patent number: 11618250Abstract: A liquid ejection apparatus includes a plurality of liquid ejection head units that eject liquid onto a conveyed object at different positions along a conveying path; a first support member and a second support member that are respectively provided at an upstream side and a downstream side of a landing position of liquid ejected by a corresponding liquid ejection head unit; a first detection unit that is installed between the first support member and the second support member and is configured to detect a position of the conveyed object in a direction orthogonal to a conveying direction of the conveyed object; a second detection unit that is installed upstream of the first detection unit; and a movement control unit that moves each liquid ejection head unit based on a plurality of detection results output by the first detection unit and/or the second detection unit.Type: GrantFiled: October 13, 2020Date of Patent: April 4, 2023Assignee: Ricoh Company, Ltd.Inventors: Tsuyoshi Nagasu, Tomoaki Hayashi, Masayuki Sunaoshi, Koichi Kudo, Masahiro Mizuno
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Publication number: 20230088949Abstract: A liquid ejection apparatus is provided that includes a plurality of liquid ejection head units that are configured to eject liquid onto a conveyed object being conveyed; a detection unit that is provided with respect to each liquid ejection head unit of the plurality of liquid ejection head units and is configured to output a detection result indicating at least one of a position, a moving speed, and an amount of movement of the conveyed object with respect to a conveying direction of the conveyed object; and a control unit configured to control each liquid ejection head unit among the plurality of liquid ejection head units to eject liquid at a timing based on a plurality of the detection results of a plurality of the detection units.Type: ApplicationFiled: November 22, 2022Publication date: March 23, 2023Applicant: Ricoh Company, Ltd.Inventors: Mitsunobu GOHDA, Tsuyoshi NAGASU, Koichi KUDO, Tomoaki HAYASHI, Masayuki SUNAOSHI, Masahiro MIZUNO
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Patent number: 11535031Abstract: A liquid ejection apparatus is provided that includes a plurality of liquid ejection head units that are configured to eject liquid onto a conveyed object being conveyed; a detection unit that is provided with respect to each liquid ejection head unit of the plurality of liquid ejection head units and is configured to output a detection result indicating at least one of a position, a moving speed, and an amount of movement of the conveyed object with respect to a conveying direction of the conveyed object; and a control unit configured to control each liquid ejection head unit among the plurality of liquid ejection head units to eject liquid at a timing based on a plurality of the detection results of a plurality of the detection units.Type: GrantFiled: September 25, 2020Date of Patent: December 27, 2022Assignee: Ricoh Company, Ltd.Inventors: Mitsunobu Gohda, Tsuyoshi Nagasu, Koichi Kudo, Tomoaki Hayashi, Masayuki Sunaoshi, Masahiro Mizuno
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Publication number: 20220098777Abstract: A dyeing apparatus is configured to be connected to an embroidery apparatus. The dyeing apparatus includes a dyer configured to dye a thread; a conveying path in which a path length of the thread from the dyer to the embroidery apparatus is changed according to an operation of the embroidery apparatus; and a conveyance control unit configured to adjust a conveyance speed of the thread in the conveying path, according to a change in the path length. The dyer dyes the thread at a dyeing speed that matches the adjusted conveyance speed.Type: ApplicationFiled: September 28, 2021Publication date: March 31, 2022Applicant: Ricoh Company, Ltd.Inventor: Masayuki SUNAOSHI
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Publication number: 20210023837Abstract: A liquid ejection apparatus includes a plurality of liquid ejection head units that eject liquid onto a conveyed object at different positions along a conveying path; a first support member and a second support member that are respectively provided at an upstream side and a downstream side of a landing position of liquid ejected by a corresponding liquid ejection head unit; a first detection unit that is installed between the first support member and the second support member and is configured to detect a position of the conveyed object in a direction orthogonal to a conveying direction of the conveyed object; a second detection unit that is installed upstream of the first detection unit; and a movement control unit that moves each liquid ejection head unit based on a plurality of detection results output by the first detection unit and/or the second detection unit.Type: ApplicationFiled: October 13, 2020Publication date: January 28, 2021Applicant: Ricoh Company, Ltd.Inventors: Tsuyoshi NAGASU, Tomoaki HAYASHI, Masayuki SUNAOSHI, Koichi KUDO, Masahiro MIZUNO
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Publication number: 20210008879Abstract: A liquid ejection apparatus is provided that includes a plurality of liquid ejection head units that are configured to eject liquid onto a conveyed object being conveyed; a detection unit that is provided with respect to each liquid ejection head unit of the plurality of liquid ejection head units and is configured to output a detection result indicating at least one of a position, a moving speed, and an amount of movement of the conveyed object with respect to a conveying direction of the conveyed object; and a control unit configured to control each liquid ejection head unit among the plurality of liquid ejection head units to eject liquid at a timing based on a plurality of the detection results of a plurality of the detection units.Type: ApplicationFiled: September 25, 2020Publication date: January 14, 2021Applicant: Ricoh Company, Ltd.Inventors: Mitsunobu GOHDA, Tsuyoshi NAGASU, Koichi KUDO, Tomoaki HAYASHI, Masayuki SUNAOSHI, Masahiro MIZUNO
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Patent number: 10864754Abstract: A recording medium support device includes a recording medium support, a holder, and a support heater. The recording medium support supports a recording medium on which liquid is discharged. The holder holds the recording medium support, the holder including an air chamber and a duct. The support heater heats the recording medium support. A linear expansion coefficient of a bottom surface of the air chamber or a bottom surface of the duct away from the recording medium support is larger than a linear expansion coefficient of the recording medium support.Type: GrantFiled: March 13, 2019Date of Patent: December 15, 2020Assignee: Ricoh Company, Ltd.Inventor: Masayuki Sunaoshi
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Patent number: 10836154Abstract: A liquid ejection apparatus includes a plurality of liquid ejection head units that eject liquid onto a conveyed object at different positions along a conveying path; a first support member and a second support member that are respectively provided at an upstream side and a downstream side of a landing position of liquid ejected by a corresponding liquid ejection head unit; a first detection unit that is installed between the first support member and the second support member and is configured to detect a position of the conveyed object in a direction orthogonal to a conveying direction of the conveyed object; a second detection unit that is installed upstream of the first detection unit; and a movement control unit that moves each liquid ejection head unit based on a plurality of detection results output by the first detection unit and/or the second detection unit.Type: GrantFiled: January 9, 2019Date of Patent: November 17, 2020Assignee: Ricoh Company, Ltd.Inventors: Tsuyoshi Nagasu, Tomoaki Hayashi, Masayuki Sunaoshi, Koichi Kudo, Masahiro Mizuno
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Patent number: 10814622Abstract: A liquid ejection apparatus is provided that includes a plurality of liquid ejection head units that are configured to eject liquid onto a conveyed object being conveyed; a detection unit that is provided with respect to each liquid ejection head unit of the plurality of liquid ejection head units and is configured to output a detection result indicating at least one of a position, a moving speed, and an amount of movement of the conveyed object with respect to a conveying direction of the conveyed object; and a control unit configured to control the each liquid ejection head unit of the plurality of liquid ejection head units to eject liquid at a timing based on a plurality of the detection results of a plurality of the detection units.Type: GrantFiled: March 10, 2017Date of Patent: October 27, 2020Assignee: Ricoh Company, Ltd.Inventors: Mitsunobu Gohda, Tsuyoshi Nagasu, Koichi Kudo, Tomoaki Hayashi, Masayuki Sunaoshi, Masahiro Mizuno
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Patent number: 10744756Abstract: A conveyance device includes a conveyor to convey a conveyed object, a head unit to perform an operation on the conveyed object being conveyed at a first conveyance speed, a sensor to acquire data of the conveyed object, a gauge to output a measured travel amount of the conveyed object, and a processor. The processor includes a calculator to calculate a detection result including at least one of a position, a speed of travel, and a calculated travel amount of the conveyed object based on the data acquired by the sensor; and an adjusting unit to adjust a timing of acquisition of the data acquired while the conveyed object is conveyed at the first conveyance speed, based on the detection result and the measured travel amount of the conveyed object being conveyed at a second conveyance speed lower than the first conveyance speed.Type: GrantFiled: March 20, 2018Date of Patent: August 18, 2020Assignee: Ricoh Company, Ltd.Inventors: Mitsunobu Gohda, Tomoaki Hayashi, Masahiro Mizuno, Tsuyoshi Nagasu, Koichi Kudo, Masayuki Sunaoshi
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Publication number: 20200208317Abstract: A liquid discharge apparatus includes a liquid discharge head including a nozzle face in which a nozzle is formed and configured to discharge a liquid, a carriage on which the liquid discharge head is mounted, and a guide shaft configured to hold the carriage movably. The liquid discharge apparatus further includes a driver configured to move the carriage, and a coupling between the carriage and the driver. The coupling is disposed on an axis of the guide shaft in a direction orthogonal to the axis of the guide shaft.Type: ApplicationFiled: December 16, 2019Publication date: July 2, 2020Inventor: Masayuki SUNAOSHI
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Publication number: 20200171846Abstract: A liquid ejection apparatus is provided that includes a plurality of liquid ejection head units that eject liquid onto a conveyed object at different positions along a conveying path for the conveyed object; a first support member and a second support member that are respectively provided at an upstream side and a downstream side of a landing position of liquid ejected by a corresponding liquid ejection head unit; a detection unit that is installed between the first support member and the second support member for the corresponding liquid ejection head unit and is configured to output a detection result indicating a position of the conveyed object with respect to a direction orthogonal to a conveying direction of the conveyed object; and a moving unit configured to move each liquid ejection head unit based on the detection result.Type: ApplicationFiled: February 10, 2020Publication date: June 4, 2020Applicant: Ricoh Company, Ltd.Inventors: Tomoaki HAYASHI, Tsuyoshi NAGASU, Masayuki SUNAOSHI, Koichi KUDO, Masahiro MIZUNO
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Publication number: 20200171854Abstract: A liquid ejection apparatus is provided that includes a plurality of liquid ejection head units that are configured to eject liquid onto a conveyed object that is being conveyed; a detection unit that is provided with respect to each liquid ejection head unit of the plurality of liquid ejection head units and is configured to output a detection result indicating at least one of a position, a moving speed, and an amount of movement of the conveyed object with respect to a conveying direction of the conveyed object; and a control unit configured to control each liquid ejection head unit of the plurality of liquid ejection head units to eject the liquid based on the detection result.Type: ApplicationFiled: February 10, 2020Publication date: June 4, 2020Applicant: Ricoh Company, Ltd.Inventors: Masayuki SUNAOSHI, Tsuyoshi NAGASU, Tomoaki HAYASHI, Koichi KUDO, Masahiro MIZUNO
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Patent number: 10632770Abstract: A conveyance device includes a conveyor to convey a conveyed object, a head unit to perform an operation on the conveyed object, a sensor to obtain surface data of the conveyed object, provided for each head unit, and at least one processor. The processor is configured to calculate a first detection result including at least one of a position, a speed of movement, and an amount of movement of the conveyed object based on the surface data, set a detection area based on the first detection result, calculate a second detection result using the detection area according to the first detection result. The processor is further configured to control operation of the at least one head unit based on the second detection result.Type: GrantFiled: February 14, 2018Date of Patent: April 28, 2020Assignee: Ricoh Company, Ltd.Inventors: Masahiro Mizuno, Tomoaki Hayashi, Tsuyoshi Nagasu, Masayuki Sunaoshi, Mitsunobu Gohda
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Publication number: 20190283461Abstract: A recording medium support device includes a recording medium support, a holder, and a support heater. The recording medium support supports a recording medium on which liquid is discharged. The holder holds the recording medium support, the holder including an air chamber and a duct. The support heater heats the recording medium support. A linear expansion coefficient of a bottom surface of the air chamber or a bottom surface of the duct away from the recording medium support is larger than a linear expansion coefficient of the recording medium support.Type: ApplicationFiled: March 13, 2019Publication date: September 19, 2019Inventor: Masayuki SUNAOSHI
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Patent number: 10334130Abstract: An image forming apparatus includes a conveyor to convey a conveyed object in a conveyance direction, a plurality of head units to perform image formation on the conveyed object, a displacement sensor disposed downstream from the plurality of head units to detect a position adjustment image on the conveyed object, formed by the plurality of head units, and at least one processor configured to adjust an image formation position of at least one of the head units in a direction orthogonal to the conveyance direction, based on a result generated by the displacement sensor. The image forming apparatus further includes a surface sensor to obtain surface data of the conveyed object at a position corresponding to the head unit to be adjusted, and the processor further adjusts the image formation position in the orthogonal direction based on the surface data obtained by the surface sensor.Type: GrantFiled: March 14, 2018Date of Patent: June 25, 2019Assignee: Ricoh Company, Ltd.Inventors: Masayuki Sunaoshi, Tomoaki Hayashi, Masahiro Mizuno, Tsuyoshi Nagasu
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Publication number: 20190143675Abstract: A liquid ejection apparatus includes a plurality of liquid ejection head units that eject liquid onto a conveyed object at different positions along a conveying path; a first support member and a second support member that are respectively provided at an upstream side and a downstream side of a landing position of liquid ejected by a corresponding liquid ejection head unit; a first detection unit that is installed between the first support member and the second support member and is configured to detect a position of the conveyed object in a direction orthogonal to a conveying direction of the conveyed object; a second detection unit that is installed upstream of the first detection unit; and a movement control unit that moves each liquid ejection head unit based on a plurality of detection results output by the first detection unit and/or the second detection unit.Type: ApplicationFiled: January 9, 2019Publication date: May 16, 2019Applicant: Ricoh Company, Ltd.Inventors: Tsuyoshi NAGASU, Tomoaki HAYASHI, Masayuki SUNAOSHI, Koichi KUDO, Masahiro MIZUNO
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Patent number: 10207494Abstract: A liquid ejection apparatus includes a plurality of liquid ejection head units that eject liquid onto a conveyed object at different positions along a conveying path; a first support member and a second support member that are respectively provided at an upstream side and a downstream side of a landing position of liquid ejected by a corresponding liquid ejection head unit; a first detection unit that is installed between the first support member and the second support member and is configured to detect a position of the conveyed object in a direction orthogonal to a conveying direction of the conveyed object; a second detection unit that is installed upstream of the first detection unit; and a movement control unit that moves each liquid ejection head unit based on a plurality of detection results output by the first detection unit and/or the second detection unit.Type: GrantFiled: December 19, 2016Date of Patent: February 19, 2019Assignee: Ricoh Company, Ltd.Inventors: Tsuyoshi Nagasu, Tomoaki Hayashi, Masayuki Sunaoshi, Koichi Kudo, Masahiro Mizuno
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Publication number: 20180272694Abstract: A conveyance device includes a conveyor to convey a conveyed object, a head unit to perform an operation on the conveyed object being conveyed at a first conveyance speed, a sensor to acquire data of the conveyed object, a gauge to output a measured travel amount of the conveyed object, and a processor. The processor includes a calculator to calculate a detection result including at least one of a position, a speed of travel, and a calculated travel amount of the conveyed object based on the data acquired by the sensor; and an adjusting unit to adjust a timing of acquisition of the data acquired while the conveyed object is conveyed at the first conveyance speed, based on the detection result and the measured travel amount of the conveyed object being conveyed at a second conveyance speed lower than the first conveyance speed.Type: ApplicationFiled: March 20, 2018Publication date: September 27, 2018Applicant: Ricoh Company, Ltd.Inventors: Mitsunobu Gohda, Tomoaki Hayashi, Masahiro Mizuno, Tsuyoshi Nagasu, Koichi Kudo, Masayuki Sunaoshi