Patents by Inventor Go Yamaguchi
Go Yamaguchi 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: 20200190349Abstract: The image forming method of the present invention includes first formation of an image, the formation including attaching a white ink containing an actinic radiation polymerizable compound and a white pigment through an inkjet head to a surface of a recording medium, first light exposure including the white ink attached to the surface of the recording medium with actinic radiation to cure or temporarily cure the white ink, second formation of an image, the formation including attaching an ink containing an actinic radiation polymerizable compound and a gelling agent through an inkjet head to a surface of a white cured film obtained by curing of the white ink, and second light exposure including irradiating the actinic radiation curable ink attached to the surface of the white cured film with actinic radiation to cure the ink other than the white ink.Type: ApplicationFiled: November 27, 2019Publication date: June 18, 2020Inventors: Masashi IKEDA, Go YAMAGUCHI
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Patent number: 10661591Abstract: An inkjet recording method includes: applying an active ray curable inkjet ink onto a coating layer disposed on a substrate by an inkjet method to form an ink layer, and subsequently irradiating the ink layer with an active ray to cure the ink layer, wherein the substrate has an outermost layer formed by at least one selected from polyethylene terephthalate, nylon, and aluminum, the coating layer is disposed on the outermost layer of the substrate and satisfies a condition that a chlorine/carbon ratio (Cl/C) by surface element analysis using electron spectroscopy for chemical analysis (ESCA) is 0.025?(Cl/C)?0.43, and the active ray curable inkjet ink contains at least a photopolymerizable compound, a photopolymerization initiator, a pigment, and a gelling agent.Type: GrantFiled: April 17, 2019Date of Patent: May 26, 2020Assignee: KONICA MINOLTA, INC.Inventor: Go Yamaguchi
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Publication number: 20190358986Abstract: An inkjet recording method includes: applying an active ray curable inkjet ink onto a coating layer disposed on a substrate by an inkjet method to form an ink layer, and subsequently irradiating the ink layer with an active ray to cure the ink layer, wherein the substrate has an outermost layer formed by at least one selected from polyethylene terephthalate, nylon, and aluminum, the coating layer is disposed on the outermost layer of the substrate and satisfies a condition that a chlorine/carbon ratio (Cl/C) by surface element analysis using electron spectroscopy for chemical analysis (ESCA) is 0.025?(Cl/C)?0.43, and the active ray curable inkjet ink contains at least a photopolymerizable compound, a photopolymerization initiator, a pigment, and a gelling agent.Type: ApplicationFiled: April 17, 2019Publication date: November 28, 2019Inventor: Go YAMAGUCHI
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Publication number: 20190359836Abstract: The purpose of the present invention is to provide: an inkjet ink composition having high dispersion stability of an organic pigment, and an image formation method using same. The present invention is an inkjet ink composition that contains: an organic pigment that includes C.I. Pigment Violet 23, C.I. Pigment Violet 32, C.I. Pigment Violet 37, C.I. Pigment Violet 39, C.I. Pigment Orange 36, C.I. Pigment Orange 38, C.I. Pigment Orange 43, C.I. Pigment Orange 64, C.I. Pigment Orange 71, C.I. Pigment Green 7, C.I. Pigment Green 36, C.I. Pigment Blue 15:6, C.I. Pigment Blue 25 or C.I. Pigment Blue 60; a benzoxazole derivative; a polymer dispersing agent; a photopolymerizable compound; and a photopolymerization initiator.Type: ApplicationFiled: December 20, 2017Publication date: November 28, 2019Inventors: Go YAMAGUCHI, Takayuki TOEDA
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Publication number: 20190315580Abstract: A conveying system includes a plurality of carriers and circuitry. The plurality of carriers has a power source generating thrust in accordance with supply of power and moves along a conveying path. The circuitry is configured to execute detection of a collision between the carriers based on an increase in the thrust in the carriers.Type: ApplicationFiled: June 28, 2019Publication date: October 17, 2019Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Minoru KOGA, Hiromitsu Akae, Yuki Honda, Mina Orii, Go Yamaguchi, Sohei Oga, Hidenori Hara
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Patent number: 10336559Abstract: A conveying system includes at least one guide unit and a carrier. The guide unit includes a traveling surface, at least one guide rail, and a magnetic member formed of a soft magnetic material and including a plurality of salient poles aligned along a conveying path. The carrier includes at least one roller coming in contact with the guide rail from a side direction, at least one wheel coming in contact with the traveling surface, and a plurality of coils provided to overlap with the magnetic member in plan view, and configured to generate thrust along the conveying path and attraction toward the magnetic member by generating a moving magnetic field acting on the magnetic member in accordance with supply of power.Type: GrantFiled: November 28, 2017Date of Patent: July 2, 2019Assignee: KABUSHIKI KAISHA YASKAWA DENKIInventors: Minoru Koga, Hiromitsu Akae, Yuki Honda, Mina Orii, Go Yamaguchi, Sohei Oga, Hidenori Hara
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Patent number: 10031454Abstract: A fixing belt according to the present invention has an endless shape and includes a base layer made of a heat-resistant resin; an elastic layer made of an elastic material; and a releasing layer which are stacked on one another in this order in which: the loss tangent tan ? of the elastic material at 20 Hz is 0.1 or smaller; and the fixing belt is mounted in a fixing device in the state where the belt is rotatably supported by two or more rollers including a heating roller, whereby favorable fixation performance and favorable separativeness relative to a recording medium can be achieved even in high speed image formation of an electrophotographic process.Type: GrantFiled: January 29, 2016Date of Patent: July 24, 2018Assignee: KONICA MINOLTA, INC.Inventors: Izumi Mukoyama, Hirofumi Koga, Go Yamaguchi, Asao Matsushima, Akira Ohira
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Publication number: 20180147877Abstract: An image includes a plurality of dots formed from droplets of an active ray curable inkjet ink, wherein an average value of surface roughness (Sa) measured from the plurality of dots in an area of a reference length of 20 ?m set on a surface of one dot arbitrarily selected from the plurality of dots is 0.05 ?m or more and 0.2 ?m or less.Type: ApplicationFiled: November 21, 2017Publication date: May 31, 2018Inventors: Shogo Watanabe, Go Yamaguchi, Kimie Tachibana
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Publication number: 20180079605Abstract: A conveying system includes at least one guide unit and a carrier. The guide unit includes a traveling surface, at least one guide rail, and a magnetic member formed of a soft magnetic material and including a plurality of salient poles aligned along a conveying path. The carrier includes at least one roller coming in contact with the guide rail from a side direction, at least one wheel coming in contact with the traveling surface, and a plurality of coils provided to overlap with the magnetic member in plan view, and configured to generate thrust along the conveying path and attraction toward the magnetic member by generating a moving magnetic field acting on the magnetic member in accordance with supply of power.Type: ApplicationFiled: November 28, 2017Publication date: March 22, 2018Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Minoru KOGA, Hiromitsu AKAE, Yuki HONDA, Mina ORII, Go YAMAGUCHI, Sohei OGA, Hidenori HARA
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Patent number: 9511335Abstract: A manufacturing method of an organic-inorganic composite material includes a flocculation and fusion step to flocculate and fuse composite particles in a liquid medium, the composite particles being formed by inorganic fine particles being coated by coating layers. In one embodiment, an average particle diameter of the inorganic fine particles is 1 nm or larger and 30 nm or smaller.Type: GrantFiled: December 15, 2014Date of Patent: December 6, 2016Assignee: KONICA MINOLTA, INC.Inventors: Shingo Fujimoto, Fumitaka Mochizuki, Shinichi Hamaguchi, Go Yamaguchi, Yohei Ohno, Ito Koga, Naoko Uemura
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Publication number: 20160223967Abstract: A fixing belt according to the present invention has an endless shape and includes a base layer made of a heat-resistant resin; an elastic layer made of an elastic material; and a releasing layer which are stacked on one another in this order in which: the loss tangent tan ? of the elastic material at 20 Hz is 0.1 or smaller; and the fixing belt is mounted in a fixing device in the state where the belt is rotatably supported by two or more rollers including a heating roller, whereby favorable fixation performance and favorable separativeness relative to a recording medium can be achieved even in high speed image formation of an electrophotographic process.Type: ApplicationFiled: January 29, 2016Publication date: August 4, 2016Inventors: IZUMI MUKOYAMA, HIROFUMI KOGA, GO YAMAGUCHI, ASAO MATSUSHIMA, AKIRA OHIRA
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Patent number: 9089976Abstract: The robot hand includes a frame and finger units which are provided on the frame and grasp an object to be grasped. The finger units include a Scott Russell mechanism, a first parallel link mechanism, and a second parallel link mechanism.Type: GrantFiled: May 1, 2014Date of Patent: July 28, 2015Assignee: KABUSHIKI KAISHA YASKAWA DENKIInventors: Yoichiro Dan, Go Yamaguchi
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Publication number: 20150174609Abstract: Disclosed is a manufacturing method of an organic-inorganic composite material including a flocculation and fusion step to flocculate and fuse composite particles in a liquid medium, the composite particles being formed by inorganic fine particles being coated by coating layers.Type: ApplicationFiled: December 15, 2014Publication date: June 25, 2015Inventors: Shingo FUJIMOTO, Fumitaka MOCHIZUKI, Shinichi HAMAGUCHI, Go YAMAGUCHI, Yohei OHNO, Ito KOGA, Naoko UEMURA
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Publication number: 20150040712Abstract: The gravity compensation mechanism includes a first non-circular gear configured to rotate about a rotation axis of an arm part of the robot together with the arm part, a second non-circular gear driven by the first non-circular gear, and an extension/contraction body configured to extend and contract to produce force as the second non-circular gear rotates, one end portion of the extension/contraction body being connected to the second non-circular gear.Type: ApplicationFiled: October 23, 2014Publication date: February 12, 2015Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventor: Go YAMAGUCHI
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Patent number: 8913942Abstract: A formation process of a glossy surface, without unevenness of gloss in a image on a print surface, nor toner offset or release failure over a long time period, is provided, where a surface of a belt member is composed of a resin containing structural units derived from a specific urethane (meth)acrylate (A), a specific polyfunctional monomer (B), and a fluorine-modified acrylate (C) and has the contact angle with respect to water of 85 to 110°, and the melting energy ?H of a wax in a clear toner is 2 to 20 J/g.Type: GrantFiled: August 20, 2013Date of Patent: December 16, 2014Assignee: Konica Minolta, Inc.Inventors: Go Yamaguchi, Akihiro Honya, Sadaaki Sakamoto
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Patent number: 8862042Abstract: Disclosed is a glossing device with a cooling and separating belt which has a high wear resistance and is allowed to maintain the initial surface property over a long period of time. In the glossing device, the cooling and separating belt has a front surface formed of a cured resin containing a structural unit derived from urethane(meth)acrylate (A) having three or more (meth)acryloyloxy groups per molecule, a structural unit derived from a polyfunctional monomer (B) having three or more (meth)acryloyloxy groups per molecule and no urethane bond, and a structural unit derived from fluorine-modified acrylate (C). The cured resin contains 18 to 63% by mass of the structural unit derived from the urethane(meth)acrylate (A), 18 to 63% by mass of the structural unit derived from the polyfunctional monomer (B), and 10 to 40% by mass of the structural unit derived from the fluorine-modified acrylate (C).Type: GrantFiled: May 3, 2013Date of Patent: October 14, 2014Assignee: Konica Minolta, Inc.Inventors: Sadaaki Sakamoto, Go Yamaguchi, Akihiro Honya
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Patent number: 8835010Abstract: Disclosed are a belt member having high wear resistance and thereby capable of maintaining its initial surface properties for a long period of time and a fixing device provided with, the belt member, and an image forming apparatus. The belt member has a belt shape, and its surface is formed of a cured resin including a structural unit derived from urethane (meth)acrylate (A) having at least three (meth)acryloyloxy groups per molecule, a structural unit derived from a polyfunctional monomer (B) having no urethane bond and having at least three (meth)acryloyloxy groups per molecule, and a structural unit derived from a fluorine-modified acrylate (C). The cured resin contains 18 to 63% by mass of the structural unit derived from the urethane(meth)acrylate (A), 18 to 63% by mass of the structural unit derived from the polyfunctional monomer (B), and 10 to 40% by mass of the structural unit derived from the fluorine-modified acrylate(C).Type: GrantFiled: December 6, 2012Date of Patent: September 16, 2014Assignee: Konica Minolta Business Technologies, Inc.Inventors: Sadaaki Sakamoto, Go Yamaguchi, Akihiro Honya
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Patent number: 8827337Abstract: This disclosure discloses a robot hand of underactuated mechanism. The robot hand includes a plurality of actuators, a plurality of joints where the number of the joints is more than the number of the actuators, a palm portion, three finger portions each including a plurality of links having bases coupled to the palm portion and coupled being capable of flexion, and a shape-fitting mechanism which is provided in at the finger portion, and which enables to grasp an object to be grasped in an enclosing manner with the finger portions by performing providing torsional displacement to the links.Type: GrantFiled: September 21, 2012Date of Patent: September 9, 2014Assignee: Kabushiki Kaisha Yaskawa DenkiInventors: Ken-ichi Murata, Takashi Mamba, Go Yamaguchi, Hiroshi Nakamura, Ken-ichi Sadakane
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Publication number: 20140232124Abstract: The robot hand includes a frame and finger units which are provided on the frame and grasp an object to be grasped. The finger units include a Scott Russell mechanism, a first parallel link mechanism, and a second parallel link mechanism.Type: ApplicationFiled: May 1, 2014Publication date: August 21, 2014Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Yoichiro DAN, Go YAMAGUCHI
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Publication number: 20140064809Abstract: A formation process of a glossy surface, without unevenness of gloss in a image on a print surface, nor toner offset or release failure over a long time period, is provided, where a surface of a belt member is composed of a resin containing structural units derived from a specific urethane (meth)acrylate (A), a specific polyfunctional monomer (B), and a fluorine-modified acrylate (C) and has the contact angle with respect to water of 85 to 110°, and the melting energy ?H of a wax in a clear toner is 2 to 20 J/g.Type: ApplicationFiled: August 20, 2013Publication date: March 6, 2014Applicant: Konica Minolta, Inc.Inventors: Go YAMAGUCHI, Akihiro HONYA, Sadaaki SAKAMOTO