Patents by Inventor Tsuyoshi Kanke
Tsuyoshi Kanke 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: 20210187938Abstract: An inkjet recording method of the present disclosure is an inkjet recording method of recording an image on a recording medium using an aqueous ink. Coating wax on a transfer body; applying an aqueous reaction solution containing a reaction agent reacting with the aqueous ink to the transfer body; forming an intermediate image by applying the aqueous ink to the transfer body; and transferring the intermediate image by bringing the intermediate image into contact with the recording medium are included in this order, and a surface temperature Ta (° C.) of the transfer body at a position where the intermediate image contacts the recording medium, a surface temperature Tb (° C.) of the transfer body at a position where the intermediate image is separated from the transfer body and a melting point Tm (° C.) of the wax satisfy a relationship of Tb<Tm?Ta.Type: ApplicationFiled: December 14, 2020Publication date: June 24, 2021Inventors: Toru Ohnishi, Tsuyoshi Kanke, Sayoko Nagashima, Kanako Soma, Mikio Sanada, Satoshi Takebayashi, Yuko Negishi, Tetsuya Kosuge, Satoshi Kudo, Naofumi Shimomura, Ryo Taguri
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Patent number: 10870770Abstract: An aqueous ink that enables recording of an image with suppressed feathering and has high ejection stability can be provided. An aqueous ink for ink jet contains a pigment, a polyhydric alcohol derivative and a water-soluble organic solvent. The polyhydric alcohol derivative is a compound in which a proportion of {Y/(X+Y)}×100 (%) where X mole(s) of ethylene oxide group(s) and Y mole(s) of propylene oxide group(s) are added to polyhydric alcohol having three or more hydroxy groups is 55% or more to 95% or less. The water-soluble organic solvent includes a first water-soluble organic solvent having a relative dielectric constant of 10.0 or more to 40.0 or less.Type: GrantFiled: July 5, 2018Date of Patent: December 22, 2020Assignee: Canon Kabushiki KaishaInventors: Junichi Sakai, Tsuyoshi Kanke, Akiko Tominaga, Mamiko Kaji, Takashi Imai
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Patent number: 10688787Abstract: Provided is an ink jet recording method capable of suppressing deterioration in an ejection property when voltage control of a recording head is performed. The ink jet recording method includes using an ink jet recording apparatus having a recording head equipped with a heater, a first protection layer and a second protection layer made of a metal material, and a unit of applying a voltage with the second protection layer as a cathode and an ink-mediated conduction site as an anode and ejecting the ink from the recording head to record an image on a recording medium, wherein the ink is an aqueous ink containing a component having an anionic group and a soluble metal ion having a standard electrode potential of more than 0 V.Type: GrantFiled: July 12, 2018Date of Patent: June 23, 2020Assignee: Canon Kabushiki KaishaInventors: Mamiko Kaji, Satoshi Takebayashi, Yuko Nishiwaki, Tsuyoshi Kanke, Takashi Imai
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Patent number: 10668728Abstract: To provide an ink jet recording method capable of, after repeated contact of a porous layer of a liquid absorption member with a first image, suppressing adhesion of a coloring material to the porous layer and a partial loss of a recorded image. Provided is an ink jet recording method for recording an image on a recording medium with a water-based ink containing first and second inks. The method includes applying a coloring material-containing first ink to a first recording medium to form a coloring material layer, applying a second ink not containing a coloring material but containing resin particles onto the coloring material layer to form a resin layer and thereby forming a first image comprised of the coloring material layer and the resin layer; and bringing a porous layer of a liquid absorption member into contact with the first image to absorb a liquid component therefrom.Type: GrantFiled: June 29, 2018Date of Patent: June 2, 2020Assignee: Canon Kabushiki KaishaInventors: Tsuyoshi Kanke, Hiroshi Tomioka
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Patent number: 10525754Abstract: Provided is an ink jet recording method for recording an image on a recording medium by making use of an aqueous reaction liquid containing a reactant and first and second inks which are aqueous inks containing a coloring material. This method has a step of applying the reaction liquid to a first recording medium, a step of applying the first and second inks, in order of mention, to the first recording medium to form a first image and a step of bringing a porous layer of a liquid absorption member into contact with the first image and thereby absorbing a liquid component therefrom. The second image has brightness higher than that of the first ink.Type: GrantFiled: June 29, 2018Date of Patent: January 7, 2020Assignee: Canon Kabushiki KaishaInventors: Akiko Tominaga, Tsuyoshi Kanke, Satoshi Takebayashi, Junichi Sakai
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Patent number: 10293600Abstract: An ink jet recording device capable of maintaining an ejection stability for a long period of time. The ink jet recording device includes a recording head having an ejection port configured to eject an aqueous ink and an ejection-port surface in which the ejection port is opened and a liquid supply mechanism configured to supply an ejection-port clogging prevention liquid into the ejection port, the aqueous ink contains at least one component selected from the group consisting of pigment particles and resin particles, and the clogging prevention liquid has a dielectric constant of 20 to 40 at 25° C.Type: GrantFiled: July 8, 2016Date of Patent: May 21, 2019Assignee: Canon Kabushiki KaishaInventor: Tsuyoshi Kanke
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Publication number: 20190016136Abstract: Provided is an ink jet recording method capable of suppressing deterioration in an ejection property when voltage control of a recording head is performed. The ink jet recording method includes using an ink jet recording apparatus having a recording head equipped with a heater, a first protection layer and a second protection layer made of a metal material, and a unit of applying a voltage with the second protection layer as a cathode and an ink-mediated conduction site as an anode and ejecting the ink from the recording head to record an image on a recording medium, wherein the ink is an aqueous ink containing a component having an anionic group and a soluble metal ion having a standard electrode potential of more than 0 V.Type: ApplicationFiled: July 12, 2018Publication date: January 17, 2019Inventors: Mamiko Kaji, Satoshi Takebayashi, Yuko Nishiwaki, Tsuyoshi Kanke, Takashi Imai
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Publication number: 20190009591Abstract: An ink jet recording method for recording an image on a recording medium by using an aqueous reaction liquid containing a reactant and a first ink and a second ink, each a water-based ink containing a coloring material, includes a reaction liquid applying step, an image formation step for forming a first image by applying the first ink and the second ink in this order to the transfer body so as to overlap at least partially with a region to which the reaction liquid has been applied, a liquid absorption step for bringing a porous layer possessed by a liquid absorption member into contact with the first image to absorb a liquid component therefrom, and after the liquid absorption step, a transfer step for transferring the first image on the transfer body to the recording medium, and the first ink has brightness higher than the brightness of the second ink.Type: ApplicationFiled: June 28, 2018Publication date: January 10, 2019Inventors: Masanori Yoshida, Tsuyoshi Kanke, Satoshi Takebayashi, Junichi Sakai, Akiko Tominaga
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Publication number: 20190010345Abstract: An aqueous ink that enables recording of an image with suppressed feathering and has high ejection stability can be provided. An aqueous ink for ink jet contains a pigment, a polyhydric alcohol derivative and a water-soluble organic solvent. The polyhydric alcohol derivative is a compound in which a proportion of {Y/(X+Y)}×100 (%) where X mole(s) of ethylene oxide group(s) and Y mole(s) of propylene oxide group(s) are added to polyhydric alcohol having three or more hydroxy groups is 55% or more to 95% or less. The water-soluble organic solvent includes a first water-soluble organic solvent having a relative dielectric constant of 10.0 or more to 40.0 or less.Type: ApplicationFiled: July 5, 2018Publication date: January 10, 2019Inventors: Junichi Sakai, Tsuyoshi Kanke, Akiko Tominaga, Mamiko Kaji, Takashi Imai
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Publication number: 20190009603Abstract: Provided is an ink jet recording method for recording an image on a recording medium by making use of an aqueous reaction liquid containing a reactant and first and second inks which are aqueous inks containing a coloring material. This method has a step of applying the reaction liquid to a first recording medium, a step of applying the first and second inks, in order of mention, to the first recording medium to form a first image and a step of bringing a porous layer of a liquid absorption member into contact with the first image and thereby absorbing a liquid component therefrom. The second image has brightness higher than that of the first ink.Type: ApplicationFiled: June 29, 2018Publication date: January 10, 2019Inventors: Akiko Tominaga, Tsuyoshi Kanke, Satoshi Takebayashi, Junichi Sakai
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Publication number: 20190009552Abstract: To provide an ink jet recording method capable of, after repeated contact of a porous layer of a liquid absorption member with a first image, suppressing adhesion of a coloring material to the porous layer and a partial loss of a recorded image. Provided is an ink jet recording method for recording an image on a recording medium with a water-based ink containing first and second inks. The method includes applying a coloring material-containing first ink to a first recording medium to form a coloring material layer, applying a second ink not containing a coloring material but containing resin particles onto the coloring material layer to form a resin layer and thereby forming a first image comprised of the coloring material layer and the resin layer; and bringing a porous layer of a liquid absorption member into contact with the first image to absorb a liquid component therefrom.Type: ApplicationFiled: June 29, 2018Publication date: January 10, 2019Inventors: Tsuyoshi Kanke, Hiroshi Tomioka
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Patent number: 9573361Abstract: An image-forming method includes a reaction solution-applying step of applying a reaction solution containing a thickening agent and a colorant-aggregating component aggregating a colorant in ink to an intermediate transfer medium, a first ink-applying step of applying a first ink to the intermediate transfer medium provided with the reaction solution, a second ink-applying step of applying a second ink to the intermediate transfer medium provided with the first ink, and a transfer step of transferring an intermediate image formed on the intermediate transfer medium provided with the second ink to a recording medium. An ink layer formed on the intermediate transfer medium by applying the first ink thereto has a yield value of 0.5 Pa or more.Type: GrantFiled: October 3, 2012Date of Patent: February 21, 2017Assignee: Canon Kabushiki KaishaInventors: Shinsuke Tsuji, Tsuyoshi Kanke, Takashi Imai, Yuichiro Kanasugi, Itaru Tsuji
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Publication number: 20170008312Abstract: An ink jet recording device capable of maintaining an ejection stability for a long period of time. The ink jet recording device includes a recording head having an ejection port configured to eject an aqueous ink and an ejection-port surface in which the ejection port is opened and a liquid supply mechanism configured to supply an ejection-port clogging prevention liquid into the ejection port, the aqueous ink contains at least one component selected from the group consisting of pigment particles and resin particles, and the clogging prevention liquid has a dielectric constant of 20 to 40 at 25° C.Type: ApplicationFiled: July 8, 2016Publication date: January 12, 2017Inventor: Tsuyoshi Kanke
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Patent number: 8573764Abstract: A drying apparatus includes: a rotatable belt which has an outer surface and an inner surface, the outer surface contacts a sheet; a blowing mechanism which blows hot air on the sheet at a side of the outer surface; and a heating unit which includes a heating element and a contact surface which is disposed in contact with the inner surface. A plurality of rollers are arranged in a direction in which the sheet travels. The rollers are pressed against the outer surface of the belt with the travelling sheet being held between the rollers and the outer surface of the belt.Type: GrantFiled: December 7, 2010Date of Patent: November 5, 2013Assignee: Canon Kabushiki KaishaInventors: Riichi Saito, Noribumi Koitabashi, Tsuyoshi Kanke, Kentarou Muro, Akio Okubo, Yoshiaki Suzuki
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Patent number: 8491084Abstract: An inkjet recording apparatus efficiently recovers defective discharge while reducing the amount of waste ink, acquires position information of a defective discharge nozzle and, based on the position information, determines whether the defective discharge has been caused by a bubble or a dust particle, and selects an ink circulation mode or a wiping mode.Type: GrantFiled: September 10, 2010Date of Patent: July 23, 2013Assignee: Canon Kabushiki KaishaInventors: Osamu Sato, Riichi Saito, Noribumi Koitabashi, Nobuyuki Kuwabara, Tsuyoshi Kanke, Koichiro Nakazawa
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Patent number: 8382238Abstract: During a cleaning operation, the following steps are executed. The steps includes a first step of pressurizing ink in a supply path to overflow the ink from a nozzle, a second step of stopping the pressurization, a third step of executing wiping while the pressurization is stopped and a negative pressure is not applied, and a fourth step of applying a negative pressure to the ink at the nozzle to generate a meniscus.Type: GrantFiled: June 15, 2010Date of Patent: February 26, 2013Assignee: Canon Kabushiki KaishaInventors: Tsuyoshi Kanke, Riichi Saito, Nobuyuki Kuwabara, Osamu Sato, Noribumi Koitabashi
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Patent number: 8313188Abstract: An ink jet printing apparatus according to the present invention includes a dryer configured to dry ink on a print medium. The dryer includes a heating unit configured to heat air in the dryer, and an outside air adjustment mechanism configured to adjust the amount of outside air introduced into the dryer. When the outside air adjustment mechanism is controlled so that the outside air introduction amount is increased, before the control of the outside air introduction amount, the heating unit is controlled so that heated air heated by the heating unit is preheated to a second target temperature higher than a predetermined first target temperature for a normal operation. Even if the outside air introduction amount is actually increased to temporarily reduce the temperature of heated air, the temperature of the heated air can be maintained at a value required for sufficient drying.Type: GrantFiled: September 7, 2010Date of Patent: November 20, 2012Assignee: Canon Kabushiki KaishaInventors: Kentarou Muro, Tsuyoshi Kanke, Riichi Saito, Noribumi Koitabashi
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Publication number: 20120013694Abstract: Disclosed herein is a transfer ink jet recording apparatus equipped with a substrate; an intermediate transfer member that is arranged on the substrate and has a surface containing at least one material of fluorine-containing rubber and silicone rubber, said surface being subjected to a modification treatment by a plasma treatment and an application treatment with a compound represented by the general formula (1) defined in the specification; an application unit for applying a component that causes ink viscosity increase to the modification-treatment-subjected surface of the intermediate transfer member; an ink jet recording unit for ejecting an ink on the intermediate transfer member to which the component has been applied to form an intermediate image; and a transfer unit for transferring the intermediate image formed on the intermediate transfer member to a recording medium.Type: ApplicationFiled: June 20, 2011Publication date: January 19, 2012Applicant: CANON KABUSHIKI KAISHAInventor: Tsuyoshi Kanke
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Patent number: 7976148Abstract: To provide an active energy ray curable aqueous ink composition exhibiting excellent curing performance by including a water-soluble polymerizable substance with high reactivity and a water-soluble polymerization initiator having high initiation efficiency; and an inkjet recording method, ink cartridge, recording unit, and inkjet recording apparatus all using the active energy ray curable aqueous ink composition. The active energy ray curable aqueous ink composition includes at least water; a polymerizable substance which undergoes radical polymerization by active energy rays; and a polymerization initiator which generates radicals by active energy rays, in which the polymerizable substance is a water-soluble compound having 2 to 6 (meth)acrylic groups; and the polymerization initiator is a water-soluble acylphosphine oxide compound.Type: GrantFiled: January 30, 2009Date of Patent: July 12, 2011Assignee: Canon Kabushiki KaishaInventors: Hiromitsu Kishi, Tsuyoshi Kanke, Yutaka Kurabayashi, Hiromichi Noguchi
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Publication number: 20110164101Abstract: A drying apparatus includes: a rotatable belt which has an outer surface and an inner surface, the outer surface contacts a sheet; a blowing mechanism which blows hot air on the sheet at a side of the outer surface; and a heating unit which includes a heating element and a contact surface which is disposed in contact with the inner surface. A plurality of rollers are arranged in a direction in which the sheet travels. The rollers are pressed against the outer surface of the belt with the travelling sheet being held between the rollers and the outer surface of the belt.Type: ApplicationFiled: December 7, 2010Publication date: July 7, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Riichi Saito, Noribumi Koitabashi, Tsuyoshi Kanke, Kentarou Muro, Akio Okubo, Yoshiaki Suzuki