Patents by Inventor Yasutaka INUI
Yasutaka INUI 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: 11865840Abstract: A recording head includes an ink ejection portion and an ink holding portion. The ink holding portion includes a sheet portion and a holding portion. The sheet portion has an upper end side fixed to the ink ejection portion and a lower end side movable in a direction of coming closer to or separating away from a side surface of the ink ejection portion. The holding portion is located at a lower end portion of the sheet portion on the ink ejection portion side, is disposed to come into contact with or close to the side surface of the ink ejection portion, and is configured to hold an ink in an adjacent region with respect to the ink ejection portion.Type: GrantFiled: March 25, 2022Date of Patent: January 9, 2024Assignee: KYOCERA Document Solutions Inc.Inventors: Yasutaka Inui, Naoto Miyakoshi
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Publication number: 20240001677Abstract: An image forming apparatus includes a recording head, a wiper and a head mounting member. The recording head is provided with a nozzle area where a number of ink ejection ports are opened downward. The wiper is configured to move in a wiping direction while coming into contact with the nozzle area to wipe the nozzle area. The head mounting member is provided on a side surface of the recording head in the wiping direction. The surface of the head mounting member has water repellency higher than the side surface of the recording head. A recess portion and a protrusion are alternatively provided in a lower end portion of the head mounting member.Type: ApplicationFiled: May 30, 2023Publication date: January 4, 2024Applicants: KYOCERA Document Solutions Inc., KYOCERA CorporationInventors: Yasutaka INUI, Naoto MIYAKOSHI, Issei NAKANO, Takuma ARAKI, Yuuji MIZUTANI, Takashi MIYAHARA, Misaki NOMOTO
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Publication number: 20230106417Abstract: An image forming apparatus includes a recording head and a wiper. The recording head is provided with a nozzle region where a plurality of ink ejection ports are opened downward. The wiper comes into contact with the nozzle region and moves in a predetermined direction to wipe the ink ejection ports. A head mounting part protruding outward is provided along the wiping direction on a side surface of the recording head at a position higher than the nozzle region. The head mounting part has: an outside portion having a water repellency higher than that of the side surface; and an inside portion provided inside the outside portion and having a water repellency smaller than that of the outside portion.Type: ApplicationFiled: September 30, 2022Publication date: April 6, 2023Applicant: KYOCERA Document Solutions Inc.Inventors: Yasutaka INUI, Naoto MIYAKOSHI
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Patent number: 11554588Abstract: The inkjet recording apparatus includes a conveyance belt, a conveyance plate, a suction unit, an inkjet head, and a cleaning unit. The conveyance belt has a plurality of through holes. The conveyance plate includes a plurality of through holes formed in bottom portions of the plurality of recessed portions. The suction unit is configured to suck the sheet to the conveyance belt. The inkjet head includes a head main body and a head end portion adjacent to the head main body, and faces an upper surface of the conveyance plate via the conveyance belt. The cleaning unit removes ink adhering to a lower surface of the head main body. A depth of the recessed portion in a facing region facing the head end portion of the conveyance plate is shallower than a depth of the recessed portion in a region other than the facing region.Type: GrantFiled: March 19, 2021Date of Patent: January 17, 2023Assignee: KYOCERA DOCUMENT SOLUTIONS INC.Inventors: Hiroyuki Ueda, Chikara Ishihara, Takashi Somete, Issei Nakano, Jun Nakano, Hiroomi Nakatsuji, Aiichiro Otana, Takuma Araki, Noriaki Furukawa, Yasutaka Inui
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Patent number: 11554587Abstract: The inkjet recording apparatus includes a conveyance belt, a conveyance plate, a suction unit, an inkjet head, and a cleaning unit. The conveyance belt has a plurality of through holes. The suction unit causes the conveyance belt to suck the sheet. The conveyance plate includes a plurality of through holes formed in bottom portions of the plurality of recessed portions. The inkjet head includes a head main body and a head end portion adjacent to the head main body, and faces an upper surface of the conveyance plate via the conveyance belt. The cleaning unit removes ink adhering to a lower surface of the head main body. A ratio of the recessed portions per unit area in a facing region of the conveyance plate facing the head end portion is smaller than a ratio of the recessed portions per unit area in a region other than the facing region.Type: GrantFiled: March 19, 2021Date of Patent: January 17, 2023Assignee: KYOCERA DOCUMENT SOLUTIONS INC.Inventors: Hiroyuki Ueda, Chikara Ishihara, Takashi Somete, Issei Nakano, Jun Nakano, Hiroomi Nakatsuji, Aiichiro Otana, Takuma Araki, Noriaki Furukawa, Yasutaka Inui
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Publication number: 20220332111Abstract: A recording head includes an ink ejection portion and an ink holding portion. The ink holding portion includes a sheet portion and a holding portion. The sheet portion has an upper end side fixed to the ink ejection portion and a lower end side movable in a direction of coming closer to or separating away from a side surface of the ink ejection portion. The holding portion is located at a lower end portion of the sheet portion on the ink ejection portion side, is disposed to come into contact with or close to the side surface of the ink ejection portion, and is configured to hold an ink in an adjacent region with respect to the ink ejection portion.Type: ApplicationFiled: March 25, 2022Publication date: October 20, 2022Applicant: KYOCERA Document Solutions Inc.Inventors: Yasutaka INUI, Naoto MIYAKOSHI
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Patent number: 11396184Abstract: An ink jet recording apparatus includes a recording head, a wiper member, a cleaning liquid supply device, and a controller. The recording head includes an ink ejection surface having an ink ejection port from which ink is ejected. The cleaning liquid supply device includes a cleaning liquid supply surface having a cleaning liquid supply port from which cleaning liquid for wiping the ink ejection surface with the wiper member is supplied, and is located upstream of the ink ejection surface in a wiping direction. The controller controls a cleaning operation including squeezing out the cleaning liquid containing bubbles from the cleaning liquid supply port, and moving the wiper member carrying the cleaning liquid containing bubbles, in the wiping direction from a movement start position to an end position ahead of the ink ejection surface.Type: GrantFiled: May 29, 2020Date of Patent: July 26, 2022Assignee: KYOCERA Document Solutions Inc.Inventors: Issei Nakano, Takashi Somete, Chikara Ishihara, Hiroyuki Ueda, Hiroomi Nakatsuji, Noriaki Furukawa, Aiichiro Otana, Jun Nakano, Yasutaka Inui, Takuma Araki
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Publication number: 20220018574Abstract: A heater unit includes a metal plate, a pipe and a linear heater. The pipe comes into contact with one surface of the metal plate, and a fluid to be heated is passed through the pipe. The linear heater comes into contact with the other surface of the metal plate and is disposed along the pipe.Type: ApplicationFiled: July 12, 2021Publication date: January 20, 2022Applicant: KYOCERA Document Solutions Inc.Inventors: Yasutaka Inui, Noriaki Furukawa, Yuko Yano, Sho Harabe, Yuzo Onishi, Tetsuya Ueno, Shunsuke Yamasaki
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Patent number: 11192377Abstract: Provided is a recording head recovery system, which includes a recording head and a wiper. The recording head includes an ink ejection surface provided with an ink ejection region in which ink ejection ports are formed. The recording head is disposed on a wiping direction upstream side of the ink ejection region, and includes a cleaning liquid supply region in which cleaning liquid supply ports for supplying cleaning liquid are formed. A height position of a lower end part of the wiper when passing the cleaning liquid supply region is lower than a height position of the lower end part of the wiper when wiping the ink ejection region.Type: GrantFiled: December 17, 2020Date of Patent: December 7, 2021Assignee: KYOCERA Document Solutions Inc.Inventors: Kenichi Satake, Yasutaka Inui, Takuma Araki
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Patent number: 11161345Abstract: An inkjet recording apparatus includes a recording head, a wiper member, a cleaning liquid supply device, a cleaning liquid flow path, and a controller. The cleaning liquid flow path includes a vertical tubular member connected to the cleaning liquid supply device and extending upward, and a horizontal tubular member connected to an upper end of the vertical tubular member and extending in a horizontal direction. The controller extrudes a cleaning liquid in at least a part of the cleaning liquid flow path from a cleaning liquid supply port before control of a cleaning operation for wiping an ink ejection surface of the recording head, thereby performing control of an air bubble release operation of the cleaning liquid flow path.Type: GrantFiled: May 27, 2020Date of Patent: November 2, 2021Assignee: KYOCERA Document Solutions Inc.Inventors: Noriaki Furukawa, Takashi Somete, Chikara Ishihara, Hiroyuki Ueda, Hiroomi Nakatsuji, Issei Nakano, Aiichiro Otana, Jun Nakano, Yasutaka Inui, Takuma Araki
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Publication number: 20210300044Abstract: The inkjet recording apparatus includes a conveyance belt, a conveyance plate, a suction unit, an inkjet head, and a cleaning unit. The conveyance belt has a plurality of through holes. The suction unit causes the conveyance belt to suck the sheet. The conveyance plate includes a plurality of through holes formed in bottom portions of the plurality of recessed portions. The inkjet head includes a head main body and a head end portion adjacent to the head main body, and faces an upper surface of the conveyance plate via the conveyance belt. The cleaning unit removes ink adhering to a lower surface of the head main body. A ratio of the recessed portions per unit area in a facing region of the conveyance plate facing the head end portion is smaller than a ratio of the recessed portions per unit area in a region other than the facing region.Type: ApplicationFiled: March 19, 2021Publication date: September 30, 2021Inventors: Hiroyuki UEDA, Chikara ISHIHARA, Takashi SOMETE, lssei NAKANO, Jun NAKANO, Hiroomi NAKATSUJI, Aiichiro OTANA, Takuma ARAKI, Noriaki FURUKAWA, Yasutaka INUI
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Publication number: 20210300045Abstract: The inkjet recording apparatus includes a conveyance belt, a conveyance plate, a suction unit, an inkjet head, and a cleaning unit. The conveyance belt has a plurality of through holes. The conveyance plate includes a plurality of through holes formed in bottom portions of the plurality of recessed portions. The suction unit is configured to suck the sheet to the conveyance belt. The inkjet head includes a head main body and a head end portion adjacent to the head main body, and faces an upper surface of the conveyance plate via the conveyance belt. The cleaning unit removes ink adhering to a lower surface of the head main body. A depth of the recessed portion in a facing region facing the head end portion of the conveyance plate is shallower than a depth of the recessed portion in a region other than the facing region.Type: ApplicationFiled: March 19, 2021Publication date: September 30, 2021Inventors: Hiroyuki UEDA, Chikara Ishihara, Takashi Somete, Issei Nakano, Jun Nakano, Hiroomi Nakatsuji, Aiichiro Otana, Takuma Araki, Noriaki Furukawa, Yasutaka Inui
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Publication number: 20210101388Abstract: Provided is a recording head recovery system, which includes a recording head and a wiper. The recording head includes an ink ejection surface provided with an ink ejection region in which ink ejection ports are formed. The recording head is disposed on a wiping direction upstream side of the ink ejection region, and includes a cleaning liquid supply region in which cleaning liquid supply ports for supplying cleaning liquid are formed. A height position of a lower end part of the wiper when passing the cleaning liquid supply region is lower than a height position of the lower end part of the wiper when wiping the ink ejection region.Type: ApplicationFiled: December 17, 2020Publication date: April 8, 2021Applicant: KYOCERA Document Solutions Inc.Inventors: Kenichi SATAKE, Yasutaka INUI, Takuma ARAKI
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Publication number: 20210070053Abstract: An ink jet recording apparatus includes a recording head, a wiper element, and a controller. The recording head includes a cleaning solution supplier, an ink ejecting surface, and an abutment member. To perform a cleaning operation, the controller causes a cleaning solution to be squeezed from a cleaning solution outlet, moves the wiper element over the ink ejecting surface in a wiping direction, from a travel start position where the wiper element contacts with the cleaning solution supplier, to an end position corresponding to the abutment member, moves the wiper element away from the end position in a vertical descending direction, and performs, a predetermined number of times, an operation including: bringing the wiper element into contact with the abutment member by moving the wiper element in a vertical ascending direction; and moving the wiper element in the vertical descending direction to separate from the abutment member.Type: ApplicationFiled: September 1, 2020Publication date: March 11, 2021Applicant: KYOCERA Document Solutions Inc.Inventor: Yasutaka INUI
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Patent number: 10899132Abstract: A recording head recovery system includes a recording head and a wiper. The recording head includes an ink ejection surface provided with an ink ejection region in which ink ejection ports are formed. The recording head is disposed on a wiping direction upstream side of the ink ejection region, and a cleaning liquid supply region in which cleaning liquid supply ports for supplying cleaning liquid are formed. The pressure contact angle of the tip of the wiper to the ink ejection surface is decreased after the wiper passes the cleaning liquid supply region before reaching the ink ejection region.Type: GrantFiled: July 10, 2020Date of Patent: January 26, 2021Assignee: KYOCERA Document Solutions Inc.Inventors: Kenichi Satake, Yasutaka Inui, Takuma Araki
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Publication number: 20200376845Abstract: An inkjet recording apparatus includes a recording head, a wiper member, a cleaning liquid supply device, a cleaning liquid flow path, and a controller. The cleaning liquid flow path includes a vertical tubular member connected to the cleaning liquid supply device and extending upward, and a horizontal tubular member connected to an upper end of the vertical tubular member and extending in a horizontal direction. The controller extrudes a cleaning liquid in at least a part of the cleaning liquid flow path from a cleaning liquid supply port before control of a cleaning operation for wiping an ink ejection surface of the recording head, thereby performing control of an air bubble release operation of the cleaning liquid flow path.Type: ApplicationFiled: May 27, 2020Publication date: December 3, 2020Applicant: KYOCERA Document Solutions Inc.Inventors: Noriaki FURUKAWA, Takashi SOMETE, Chikara ISHIHARA, Hiroyuki UEDA, Hiroomi NAKATSUJI, Issei NAKANO, Aiichiro OTANA, Jun NAKANO, Yasutaka INUI, Takuma ARAKI
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Publication number: 20200376834Abstract: An ink jet recording apparatus includes a recording head, a wiper member, a cleaning liquid supply device, and a controller. The recording head includes an ink ejection surface having an ink ejection port from which ink is ejected. The cleaning liquid supply device includes a cleaning liquid supply surface having a cleaning liquid supply port from which cleaning liquid for wiping the ink ejection surface with the wiper member is supplied, and is located upstream of the ink ejection surface in a wiping direction. The controller controls a cleaning operation including squeezing out the cleaning liquid containing bubbles from the cleaning liquid supply port, and moving the wiper member carrying the cleaning liquid containing bubbles, in the wiping direction from a movement start position to an end position ahead of the ink ejection surface.Type: ApplicationFiled: May 29, 2020Publication date: December 3, 2020Applicant: KYOCERA Document Solutions Inc.Inventors: Issei NAKANO, Takashi SOMETE, Chikara ISHIHARA, Hiroyuki UEDA, Hiroomi NAKATSUJI, Noriaki FURUKAWA, Aiichiro OTANA, Jun NAKANO, Yasutaka INUI, Takuma ARAKI
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Patent number: 10836172Abstract: Provided are a recording head and an ink jet recording apparatus provided with the same capable of cleaning an ink ejection surface while preventing damage to a wiper. The recording head is provided with an ink ejection surface including an ink ejection region in which a plurality of ink ejection ports for ejecting ink onto a sheet is opened. With respect to the ink ejection region, on the upstream side in a wiping direction in which a wiper wipes the ink ejection surface, a plurality of concave parts is provided. Inside each of the concave parts, two or more cleaning liquid supply ports for supplying a cleaning liquid are provided in the wiping direction.Type: GrantFiled: October 2, 2017Date of Patent: November 17, 2020Assignee: KYOCERA Document Solutions Inc.Inventors: Yasutaka Inui, Kenichi Satake, Takuma Araki
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Publication number: 20200338895Abstract: A recording head recovery system includes a recording head and a wiper. The recording head includes an ink ejection surface provided with an ink ejection region in which ink ejection ports are formed. The recording head is disposed on a wiping direction upstream side of the ink ejection region, and a cleaning liquid supply region in which cleaning liquid supply ports for supplying cleaning liquid are formed. The pressure contact angle of the tip of the wiper to the ink ejection surface is decreased after the wiper passes the cleaning liquid supply region before reaching the ink ejection region.Type: ApplicationFiled: July 10, 2020Publication date: October 29, 2020Applicant: KYOCERA Document Solutions Inc.Inventors: Kenichi SATAKE, Yasutaka INUI, Takuma ARAKI
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Patent number: 10744773Abstract: Provided is a recording head recovery system, which includes a recording head and a wiper. The recording head includes an ink ejection surface provided with an ink ejection region in which ink ejection ports are formed. The recording head is disposed on a wiping direction upstream side of the ink ejection region, and a cleaning liquid supply region in which cleaning liquid supply ports for supplying cleaning liquid are formed. A height position of a lower end part of the wiper when passing the cleaning liquid supply region is lower than a height position of the lower end part of the wiper when wiping the ink ejection region.Type: GrantFiled: January 11, 2018Date of Patent: August 18, 2020Assignee: KYOCERA Document Solutions Inc.Inventors: Kenichi Satake, Yasutaka Inui, Takuma Araki