Patents by Inventor Itaru Kozuma
Itaru Kozuma 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: 11338597Abstract: A printing apparatus includes a first roller pair configured to convey a continuous medium, a printing head that is located downstream of the first roller pair and that performs printing on the continuous medium, a cutting unit that is located downstream of the printing head and that is configured to cut the continuous medium, a second roller pair that is located downstream of the cutting unit and that is configured to convey the continuous medium, a common driving source configured to apply driving force to the first roller pair and the second roller pair, and a clutch mechanism configured to cut power from the driving source to the second roller pair, wherein the clutch mechanism is a one-way mechanism that transmits the power when the continuous medium is conveyed in a forward direction and does not transmit the power when the continuous medium is conveyed in a reverse direction.Type: GrantFiled: July 31, 2019Date of Patent: May 24, 2022Assignee: Seiko Epson CorporationInventors: Itaru Kozuma, Yasushi Yajima, Takayuki Tamaki, Toshiaki Ishikawa
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Patent number: 10787009Abstract: A printing apparatus includes a first roller pair that sandwiches and conveys a continuous medium, a printing head that is located downstream of the first roller pair in a conveying direction of the continuous medium and that performs printing on the continuous medium, a cutting unit that is located downstream of the printing head in the conveying direction of the continuous medium and that cuts the continuous medium, a second roller pair that is located downstream of the cutting unit in the conveying direction of the continuous medium and that sandwiches and conveys the continuous medium, a common driving source that applies driving force to the first roller pair and the second roller pair, and a clutch mechanism configured to cut power from the driving source to the second roller pair, wherein the clutch mechanism is an electromagnetic mechanism that releases transmission of the power by electromagnetism.Type: GrantFiled: August 1, 2019Date of Patent: September 29, 2020Assignee: Seiko Epson CorporationInventors: Itaru Kozuma, Toshiaki Ishikawa, Tae Kojima
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Publication number: 20200039253Abstract: A printing apparatus includes a first roller pair configured to convey a continuous medium, a printing head that is located downstream of the first roller pair and that performs printing on the continuous medium, a cutting unit that is located downstream of the printing head and that is configured to cut the continuous medium, a second roller pair that is located downstream of the cutting unit and that is configured to convey the continuous medium, a common driving source configured to apply driving force to the first roller pair and the second roller pair, and a clutch mechanism configured to cut power from the driving source to the second roller pair, wherein the clutch mechanism is a one-way mechanism that transmits the power when the continuous medium is conveyed in a forward direction and does not transmit the power when the continuous medium is conveyed in a reverse direction.Type: ApplicationFiled: July 31, 2019Publication date: February 6, 2020Inventors: Itaru KOZUMA, Yasushi YAJIMA, Takayuki TAMAKI, Toshiaki ISHIKAWA
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Publication number: 20200039255Abstract: A printing apparatus includes a first roller pair that sandwiches and conveys a continuous medium, a printing head that is located downstream of the first roller pair in a conveying direction of the continuous medium and that performs printing on the continuous medium, a cutting unit that is located downstream of the printing head in the conveying direction of the continuous medium and that cuts the continuous medium, a second roller pair that is located downstream of the cutting unit in the conveying direction of the continuous medium and that sandwiches and conveys the continuous medium, a common driving source that applies driving force to the first roller pair and the second roller pair, and a clutch mechanism configured to cut power from the driving source to the second roller pair, wherein the clutch mechanism is an electromagnetic mechanism that releases transmission of the power by electromagnetism.Type: ApplicationFiled: August 1, 2019Publication date: February 6, 2020Inventors: Itaru KOZUMA, Toshiaki ISHIKAWA, Tae KOJIMA
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Patent number: 10500615Abstract: To improve cleaning properties of a transport belt which transports a recording medium. A recording apparatus includes a transport belt (2) which supports and transports a recording medium (P), a recording head (6) through which ink is discharged onto the recording medium (P), and a cleaning portion (10) for the transport belt (2). The recording apparatus has a first cleaning mode in which the cleaning portion (10) cleans the transport belt (2) during transporting of the recording medium (P) by the transport belt (2) and a second cleaning mode in which the cleaning portion (10) cleans the transport belt (2) during a period except for transporting of the recording medium (P) by the transport belt (2).Type: GrantFiled: October 1, 2014Date of Patent: December 10, 2019Assignee: Seiko Epson CorporationInventor: Itaru Kozuma
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Patent number: 10442216Abstract: A printing apparatus includes a transporting section that transports a work, a printing mechanism section that has a nozzle plate that performs printing by discharging ink on the work, and a moving section that reciprocally and relatively moves the printing mechanism section in a direction intersecting the transporting direction of the work. In the printing apparatus, when the printing mechanism section moves reciprocally, printing in a forward path includes a first printing area, a second printing areas, and printing in a backward path includes a first printing area, and second printing areas. In addition, the transportation amount of the work is adjusted based on the second printing areas.Type: GrantFiled: October 14, 2015Date of Patent: October 15, 2019Assignee: Seiko Epson CorporationInventors: Itaru Kozuma, Kazuaki Sakurada, Seigo Momose
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Patent number: 10093117Abstract: A recording apparatus includes a transportation belt, a washing portion that washes the transportation belt, and a selection unit. The selection unit selects a transportation mode for transporting the recorded medium from among a washing transportation mode in which the transportation belt is transported while being washed by the washing portion, and a non-washing transportation mode in which the transportation belt is transported without being washed by the washing portion. The selection unit selects the transportation mode in accordance with a recording mode. The selection unit selects, as a transportation mode for use in transporting the recorded medium along with no recording operation after a recording operation onto the recorded medium has been brought to a halt, the washing transportation mode or the non-washing transportation mode, whichever has been selected in the recording operation having been brought to a halt.Type: GrantFiled: July 1, 2016Date of Patent: October 9, 2018Assignee: Seiko Epson CorporationInventor: Itaru Kozuma
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Publication number: 20180229519Abstract: A printing apparatus includes a transporting section that transports a work, a printing mechanism section that has a nozzle plate that performs printing by discharging ink on the work, and a moving section that reciprocally and relatively moves the printing mechanism section in a direction intersecting the transporting direction of the work. In the printing apparatus, when the printing mechanism section moves reciprocally, printing in a forward path includes a first printing area, a second printing areas, and printing in a backward path includes a first printing area, and second printing areas. In addition, the transportation amount of the work is adjusted based on the second printing areas.Type: ApplicationFiled: October 14, 2015Publication date: August 16, 2018Inventors: Itaru KOZUMA, Kazuaki SAKURADA, Seigo MOMOSE
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Patent number: 9682578Abstract: A method is for notifying information of a remaining amount of a recording medium in a recording apparatus including a delivery section that rotates and delivers a roll-shaped recording medium, a transport belt that transports the recording medium delivered from the delivery section, and a slack sensor that detects a slackened state in the recording medium delivered from the delivery section to the transport belt. The method includes notifying the information of the remaining amount of the recording medium if the slack sensor detects a lack of slack of the recording medium in a period of a first time or more.Type: GrantFiled: April 7, 2016Date of Patent: June 20, 2017Assignee: Seiko Epson CorporationInventor: Itaru Kozuma
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Patent number: 9597901Abstract: The medium feed device has a meandering detection sensor which detects position displacement of a recording medium in a width direction, and a control section which controls driving of a width movement unit based on detection results by the meandering detection sensor. The control section stops driving of the width movement unit when stopping feeding of the intermittent feeding.Type: GrantFiled: April 6, 2016Date of Patent: March 21, 2017Assignee: Seiko Epson CorporationInventor: Itaru Kozuma
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Publication number: 20160311236Abstract: A recording apparatus includes a transportation belt, a washing portion that washes the transportation belt, and a selection unit. The selection unit selects a transportation mode for transporting the recorded medium from among a washing transportation mode in which the transportation belt is transported while being washed by the washing portion, and a non-washing transportation mode in which the transportation belt is transported without being washed by the washing portion. The selection unit selects the transportation mode in accordance with a recording mode. The selection unit selects, as a transportation mode for use in transporting the recorded medium along with no recording operation after a recording operation onto the recorded medium has been brought to a halt, the washing transportation mode or the non-washing transportation mode, whichever has been selected in the recording operation having been brought to a halt.Type: ApplicationFiled: July 1, 2016Publication date: October 27, 2016Inventor: Itaru KOZUMA
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Publication number: 20160236246Abstract: To improve cleaning properties of a transport belt which transports a recording medium. A recording apparatus includes a transport belt (2) which supports and transports a recording medium (P), a recording head (6) through which ink is discharged onto the recording medium (P), and a cleaning portion (10) for the transport belt (2). The recording apparatus has a first cleaning mode in which the cleaning portion (10) cleans the transport belt (2) during transporting of the recording medium (P) by the transport belt (2) and a second cleaning mode in which the cleaning portion (10) cleans the transport belt (2) during a period except for transporting of the recording medium (P) by the transport belt (2).Type: ApplicationFiled: October 1, 2014Publication date: August 18, 2016Inventor: Itaru KOZUMA
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Patent number: 9409415Abstract: A recording apparatus includes a transportation belt that transports a recorded medium; a washing portion that washes the transportation belt; and a selection unit that selects a transportation mode for transporting the recorded medium from among a washing transportation mode in which the transportation belt is transported while being washed by the washing portion, and a non-washing transportation mode in which the transportation belt is transported without being washed by the washing portion.Type: GrantFiled: March 10, 2015Date of Patent: August 9, 2016Assignee: Seiko Epson CorporationInventor: Itaru Kozuma
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Publication number: 20160221372Abstract: The medium feed device has a meandering detection sensor which detects position displacement of a recording medium in a width direction, and a control section which controls driving of a width movement unit based on detection results by the meandering detection sensor. The control section stops driving of the width movement unit when stopping feeding of the intermittent feeding.Type: ApplicationFiled: April 6, 2016Publication date: August 4, 2016Inventor: Itaru KOZUMA
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Publication number: 20160214414Abstract: A method is for notifying information of a remaining amount of a recording medium in a recording apparatus including a delivery section that rotates and delivers a roll-shaped recording medium, a transport belt that transports the recording medium delivered from the delivery section, and a slack sensor that detects a slackened state in the recording medium delivered from the delivery section to the transport belt. The method includes notifying the information of the remaining amount of the recording medium if the slack sensor detects a lack of slack of the recording medium in a period of a first time or more.Type: ApplicationFiled: April 7, 2016Publication date: July 28, 2016Inventor: Itaru KOZUMA
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Patent number: 9333774Abstract: A recording apparatus includes a delivery section that rotates and delivers a roll-shaped recording medium; a transport belt that transports the recording medium delivered from the delivery section; a slack sensor that detects a slackened state in the recording medium delivered from the delivery section to the transport belt; and a control section that performs low speed transport control for controlling the transport belt such that the recording medium is transported by decreasing a transport speed of the recording medium depending on the transport belt if the slack sensor detects a lack of slack of the recording medium in a period of a first time or more.Type: GrantFiled: March 4, 2015Date of Patent: May 10, 2016Assignee: Seiko Epson CorporationInventor: Itaru Kozuma
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Patent number: 9333775Abstract: The advantage of the invention is to provide a medium feed device and the like for intermittently feeding a recording medium in which meandering can be securely corrected without the occurrence of wrinkles in the recording medium. The medium feed device has a meandering detection sensor which detects position displacement of a recording medium in a width direction, and a control section which controls driving of a width movement unit based on detection results by the meandering detection sensor. The control section stops driving of the width movement unit when stopping feeding of the intermittent feeding.Type: GrantFiled: August 30, 2013Date of Patent: May 10, 2016Assignee: Seiko Epson CorporationInventor: Itaru Kozuma
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Publication number: 20150266316Abstract: A recording apparatus includes a transportation belt that transports a recorded medium; a washing portion that washes the transportation belt; and a selection unit that selects a transportation mode for transporting the recorded medium from among a washing transportation mode in which the transportation belt is transported while being washed by the washing portion, and a non-washing transportation mode in which the transportation belt is transported without being washed by the washing portion.Type: ApplicationFiled: March 10, 2015Publication date: September 24, 2015Inventor: Itaru KOZUMA
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Publication number: 20150258820Abstract: A recording apparatus includes a delivery section that rotates and delivers a roll-shaped recording medium; a transport belt that transports the recording medium delivered from the delivery section; a slack sensor that detects a slackened state in the recording medium delivered from the delivery section to the transport belt; and a control section that performs low speed transport control for controlling the transport belt such that the recording medium is transported by decreasing a transport speed of the recording medium depending on the transport belt if the slack sensor detects a lack of slack of the recording medium in a period of a first time or more.Type: ApplicationFiled: March 4, 2015Publication date: September 17, 2015Inventor: Itaru KOZUMA
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Patent number: 8611776Abstract: A cleaning apparatus includes a first cleaning roller, and a second cleaning roller. The first cleaning roller is contrived to contact to a circumferential surface against a moving member to be cleaned and to apply a bias to the member to be cleaned while rotating such that the circumferential surface of the first cleaning roller moves in a same direction as the member to be cleaned moves. The second cleaning roller is contrived to contact to the member to be cleaned after the member has been cleaned by the first cleaning roller and to rotate such that a circumferential surface of the second cleaning roller moves in a direction opposite a direction in which the member being cleaned moves.Type: GrantFiled: April 20, 2011Date of Patent: December 17, 2013Assignee: Seiko Epson CorporationInventors: Itaru Kozuma, Tomoyuki Shiiya, Tsutomu Sasaki