Patents by Inventor Takao Namiki
Takao Namiki 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: 11953850Abstract: A heater for use in an image heating apparatus includes a substrate, first and second conductors provided on the substrate, and heating elements. The heating elements are arranged between, and electrically connected in parallel to, the first and second conductors. When n denotes a number of heating elements, connected to one second conductor, in one row of the heating elements, a width L denotes a sum (n×Wh) of widths, as seen in a longitudinal direction of the substrate, of shortest current paths of all respective heating elements connected to the one second conductor plus a sum of widths, as seen in the longitudinal direction, of respective gaps between adjacent shortest current paths, and a ratio R denotes a ratio of the sum (n×Wh) of widths to the width L, the heating elements are configured so as to satisfy 0.54?the ratio R<1.Type: GrantFiled: March 9, 2022Date of Patent: April 9, 2024Assignee: Canon Kabushiki KaishaInventors: Takaomi Uezono, Takao Kawazu, Teruhiko Namiki, Atsushi Iwasaki
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Publication number: 20230278339Abstract: A service tank includes a container having an internal space, the container being provided with an inlet through which ink is introduced into the internal space and a plurality of supply ports through which the ink is supplied, a divider configured to divide the internal space into a plurality of compartments, and a detector configured to detect that the liquid surface of the ink is at an upper limit or a lower limit. The divider is attached between the inlet and a supply port located closest to the inlet. The divider includes a plate that prevents flow of the ink and air between adjacent compartments, an ink opening through which the ink flows between the adjacent compartments, and an air opening through which the air flows between the adjacent compartments. The plate, the ink opening, and the air opening are located in, below, and above the proper area, respectively.Type: ApplicationFiled: February 17, 2023Publication date: September 7, 2023Inventors: Takao NAMIKI, Wataru ITABASHI, Mizuki SUGAHARA
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Patent number: 9475327Abstract: The transfer inkjet printer device includes an intermediate transfer body including an intermediate transfer surface capable of moving along a rotation route; an inkjet head used to discharge ink including toner particles onto the intermediate transfer surface at a first area in the rotation route in a state where the toner particles are charged, so as to form an intermediate image composed of an ink layer on the intermediate transfer surface; a pressure device used to press the ink layer of the intermediate image on the intermediate transfer surface, onto a surface of a recording medium at a second area in the rotation route; and an electric field application device used to electrophorese the charged toner particles in the ink layer of the intermediate image toward the recording medium at the second area.Type: GrantFiled: February 3, 2014Date of Patent: October 25, 2016Assignee: Miyakoshi Printing Machinery Co., Ltd.Inventors: Hideo Izawa, Takao Namiki, Junichi Setoyama
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Patent number: 9372444Abstract: A wet type developing apparatus is provided which allows printing in a quality that is stable at an increased printing speed and also with changes in physical property of a liquid developer. The wet type developing apparatus to this end includes a liquid developer feed pathway which comprises a developing roller 7 for feeding the liquid developer onto a photoconductor drum 3; an anilox roller 9 immersed in part in the liquid developer and driven to rotate in rotational contact with the developing roller; and a doctor blade 11 disposed in contact with a surface of the anilox roller for controlling the rate of drawing up of the liquid developer. The developing and anilox rollers have their peripheral surfaces moving in an identical direction and at an identical rate of movement in an area of their rotational contact.Type: GrantFiled: April 5, 2011Date of Patent: June 21, 2016Assignee: MIYAKOSHI PRINTING MACHINERY CO., LTD.Inventors: Hideo Izawa, Junichi Setoyama, Takao Namiki, Sumito Mera
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Patent number: 9358814Abstract: A label paper processing apparatus includes a paper supply unit for supplying and feeding label paper, a digital printing unit for printing the label paper, a laser processing unit, and a pair of loop forming unit disposed between the paper supply unit and the digital printing unit, and between the digital printing unit and the laser processing unit, respectively, each forming a loop of the label paper. The laser processing unit is designed to half-cut the printed label paper and to form cutouts of a shape along a printed cutting locus with a laser beam so as to scan and trace the printed cutting locus, thereby facilitating control in half-cutting of the label paper. The loop forming unit is designed to form a loop of the label paper and to hold a length of the loop substantially constant so as to control feeding of the label paper.Type: GrantFiled: August 26, 2014Date of Patent: June 7, 2016Assignee: MIYAKOSHI PRINTING MACHINERY CO., LTD.Inventors: Hideo Izawa, Takao Namiki, Akira Ishikawa, Yuuichi Yamazaki
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Publication number: 20160107455Abstract: Fluttering of paper traveling opposite to and parallel to a nozzle width region of an ink jet head is held down, thereby improving the printing quality. An ink jet recording apparatus comprises an ink jet printer including printing units whereby a sheet of paper traveling in a paper passage in the form of an arch shaped by a plurality of guide rollers is printed by a plurality of ink jet heads. The ink jet heads of the printing units comprise ink jet heads of on-demand type having a plurality of nozzle rows of a nozzle width region in a direction of travel of paper. The paper passage opposite to nozzle faces of each ink jet head nozzle defined by two guide rollers positioned at an upstream and at a downstream side in the direction of travel of paper, respectively.Type: ApplicationFiled: December 29, 2015Publication date: April 21, 2016Applicant: MIYAKOSHI PRINTING MACHINERY CO., LTD.Inventors: Hideo Izawa, Takao Namiki, Akira Ishikawa, Yuuichi Yamazaki
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Patent number: 9290013Abstract: An inkjet recording apparatus 100 is provided with a fabric feeding section A having a medium for recording 1 composed of a fabric, an inkjet section B for performing inkjet recording on the medium for recording 1 fed from the fabric feeding section A to form a recorded medium 1a, and a treating section C1, C2 having a drying section 11, 21 for drying the recorded medium 1a and a collecting section 12, 22 for collecting the dried recorded medium, the drying section 11, 21 and the collecting section 12, 22 being integrated with each other, where the treating section C1, C2 is attachable to and detachable from the inkjet section B.Type: GrantFiled: December 16, 2014Date of Patent: March 22, 2016Assignee: MIYAKOSHI PRINTING MACHINERY CO., LTD.Inventors: Hideo Izawa, Takao Namiki, Yasushi Katagiri, Akira Ishikawa
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Publication number: 20150375531Abstract: An inkjet recording apparatus 100 is provided with a fabric feeding section A having a medium for recording 1 composed of a fabric, an inkjet section B for performing inkjet recording on the medium for recording 1 fed from the fabric feeding section A to form a recorded medium 1a, and a treating section C1, C2 having a drying section 11, 21 for drying the recorded medium 1a and a collecting section 12, 22 for collecting the dried recorded medium, the drying section 11, 21 and the collecting section 12, 22 being integrated with each other, where the treating section C1, C2 is attachable to and detachable from the inkjet section B.Type: ApplicationFiled: December 16, 2014Publication date: December 31, 2015Inventors: Hideo IZAWA, Takao NAMIKI, Yasushi KATAGIRI, Akira ISHIKAWA
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Patent number: 9170517Abstract: An electrophotographic apparatus and method that can effect favorable transfer of a toner image onto a medium under a nip pressure between a transfer roller and a backup roller and a potential difference between the transfer and backup rollers even if the medium has a high insulating property, such as due to its being thick.Type: GrantFiled: June 10, 2014Date of Patent: October 27, 2015Assignee: Miyakoshi Printing Machinery Co., Ltd.Inventors: Hideo Izawa, Takao Namiki, Junichi Setoyama
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Patent number: 9157680Abstract: A drum-type drying device according to the invention includes a cylindrical drum section that is rotatably supported and rotated by winding a base material on the drum section, engaging portions that are disposed in an inner cavity of the drum section, and a heating section that includes engaged portions detachably engaged with the engaging portions.Type: GrantFiled: June 22, 2011Date of Patent: October 13, 2015Assignee: MIYAKOSHI PRINTING MACHINERY CO., LTD.Inventors: Hideo Izawa, Takao Namiki, Yuuichi Yamazaki
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Patent number: 9090093Abstract: An ink jet recording apparatus in which a fabric as a recording medium is intermittently conveyed in an ink jet recording section is capable of printing an image on the fabric with precision and at high quality. The ink jet recording section of serial printing type includes a conveyer for intermittently conveying the fabric.Type: GrantFiled: August 7, 2009Date of Patent: July 28, 2015Assignee: MIYAKOSHI PRINTING MACHINERY CO., LTD.Inventors: Hideo Izawa, Takao Namiki, Yasushi Katagiri, Akira Ishikawa
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Patent number: 9004627Abstract: An inkjet recording apparatus which can make a distribution tank compact and has excellent pressure-control precision is provided with an inkjet portion A having a recording head 11 for applying ink to a recording medium 1 and a distribution tank 12 for supplying ink to the recording head 11, an ink supply means B having a main tank 21 for supplying ink to the distribution tank 12, and an air supply means C having an air chamber 31 communicating with a space 12ain the distribution tank 12 and a pressure adjustment mechanism provided on the air chamber 31 via a solenoid valve, where the pressure of the space 12a and the internal pressure of the air chamber 31 are equal to each other.Type: GrantFiled: June 27, 2013Date of Patent: April 14, 2015Assignee: Miyakoshi Printing Machinery Co., Ltd.Inventors: Hideo Izawa, Takao Namiki, Akira Ishikawa, Wataru Itabashi
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Publication number: 20150078798Abstract: A label paper processing apparatus includes a paper supply unit for supplying and feeding label paper, a digital printing unit for printing the label paper, a laser processing unit, and a pair of loop forming unit disposed between the paper supply unit and the digital printing unit, and between the digital printing unit and the laser processing unit, respectively, each forming a loop of the label paper. The laser processing unit is designed to half-cut the printed label paper and to form cutouts of a shape along a printed cutting locus with a laser beam so as to scan and trace the printed cutting locus, thereby facilitating control in half-cutting of the label paper. The loop forming unit is designed to form a loop of the label paper and to hold a length of the loop substantially constant so as to control feeding of the label paper.Type: ApplicationFiled: August 26, 2014Publication date: March 19, 2015Applicant: MIYAKOSHI PRINTING MACHINERY CO., LTD.Inventors: Hideo IZAWA, Takao NAMIKI, Akira ISHIKAWA, Yuuichi YAMAZAKI
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Publication number: 20140294454Abstract: An electrophotographic apparatus and method that can effect favorable transfer of a toner image onto a medium under a nip pressure between a transfer roller and a backup roller and a potential difference between the transfer and backup rollers even if the medium has a high insulating property, such as due to its being thick.Type: ApplicationFiled: June 10, 2014Publication date: October 2, 2014Inventors: Hideo IZAWA, Takao NAMIKI, Junichi SETOYAMA
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Publication number: 20140225966Abstract: The transfer inkjet printer device includes an intermediate transfer body including an intermediate transfer surface capable of moving along a rotation route; an inkjet head used to discharge ink including toner particles onto the intermediate transfer surface at a first area in the rotation route in a state where the toner particles are charged, so as to form an intermediate image composed of an ink layer on the intermediate transfer surface; a pressure device used to press the ink layer of the intermediate image on the intermediate transfer surface, onto a surface of a recording medium at a second area in the rotation route; and an electric field application device used to electrophorese the charged toner particles in the ink layer of the intermediate image toward the recording medium at the second area.Type: ApplicationFiled: February 3, 2014Publication date: August 14, 2014Applicant: MIYAKOSHI PRINTING MACHINERY CO., LTD.Inventors: Hideo Izawa, Takao Namiki, Junichi Setoyama
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Patent number: 8801148Abstract: An inkjet recording apparatus is provided that is easy to maintain and that is compact. The inkjet recording apparatus includes a line head capable of printing on a recording medium, and a housing with the line head attached, in which the line head is slid along a guide groove provided in the housing so that the line head is detachably attached.Type: GrantFiled: July 14, 2011Date of Patent: August 12, 2014Assignee: Miyakoshi Printing Machinery Co., Ltd.Inventors: Hideo Izawa, Takao Namiki, Kouichi Ooyama, Masahito Sato
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Publication number: 20140043381Abstract: An inkjet recording apparatus which can make a distribution tank compact and has excellent pressure-control precision is provided. The present invention is provided with an inkjet portion A having a recording head 11 for applying ink to a recording medium 1 and a distribution tank 12 for supplying ink to the recording head 11, an ink supply means B having a main tank 21 for supplying ink to the distribution tank 12, and an air supply means C having an air chamber 31 communicating with a space 12a in the distribution tank 12 and a pressure adjustment mechanism provided on the air chamber 31 via a solenoid valve, where the pressure of the space 12a and the internal pressure of the air chamber 31 are equal to each other.Type: ApplicationFiled: June 27, 2013Publication date: February 13, 2014Inventors: Hideo IZAWA, Takao NAMIKI, Akira ISHIKAWA, Wataru ITABASHI
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Patent number: 8611796Abstract: A wet type developing apparatus is disclosed which can eliminate the need to provide a separately built cleansing unit and, moreover, makes it unnecessary to dismount a developer supply unit for its cleansing operation and to perform its subsequent re-mounting operation. The apparatus in which a developing roller 2 is in rotational contact with a rotating photoconductor drum 1 and an electrostatic latent image made on a surface of the photoconductor drum is developed with a liquid developer 6 supplied onto the developing roller from a developer supply roller 3 whose surface is in part immersed in the liquid developer reserved in a developer reservoir 5, includes a cleansing arrangement, comprising a unit or units 7 and/or 8, which is disposed at a site in the developer reservoir which is always immersed in the liquid developer for cleansing a portion of the developer supply roller which is immersed in the liquid developer.Type: GrantFiled: December 30, 2009Date of Patent: December 17, 2013Assignee: Miyakoshi Printing Machinery Co., Ltd.Inventors: Hideo Izawa, Takao Namiki, Junichi Setoyama, Kotaro Harada, Sumito Mera
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Patent number: 8369767Abstract: An electrophotographic printer includes a transfer roller cleaning device 12 and a carrier liquid supply unit 11 disposed at a portion of the circumference of a transfer roller 2 between a position of image transfer onto a recording medium 7 and the transfer roller cleaning device and including a carrier liquid supply roll 13 in rotational contact with a surface of the transfer roller. The transfer roller cleaning device comprises a cleaning roll 17 rotating in rubbing contact with the surface of the transfer roller and having a bias voltage applied thereto which is of a polarity opposite to that of a residual toner; a peripheral surface scraping blade 18 positioned downstream of the cleaning roll in the rotation direction of the transfer roller; a side surface scraping blade 19 likewise positioned downward; and a surface scraping blade 26 disposed at a portion of the circumference of the cleaning roll.Type: GrantFiled: October 19, 2009Date of Patent: February 5, 2013Assignee: Miyakoshi Printing Machinery Co., Ltd.Inventors: Hideo Izawa, Takao Namiki, Junichi Setoyama, Kouichi Ooyama
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Patent number: 8336991Abstract: In an ink jet printer having a plural number of line heads arranged in a paper printing direction, it is sought to render the printing density high in the nozzle row direction without the need to exchange the line heads. The invention provides an ink jet printer in which line heads other than at least one of the line heads 3 are each displaceable by a distance that is equal to a part per the plural number of a nozzle pitch in the line head in a direction of the nozzle row.Type: GrantFiled: January 7, 2011Date of Patent: December 25, 2012Assignee: Miyakoshi Printing Machinery Co., Ltd.Inventors: Hideo Izawa, Takao Namiki, Kouichi Ooyama, Masahito Sato