Patents by Inventor Takaya Kitawaki
Takaya Kitawaki 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: 11850871Abstract: According to one embodiment, a mobile printer includes a first housing, a second housing, a hinge, and a print head. The first housing has a first surface on which a printing medium can be disposed. The second housing faces the first surface. The hinge connects the first housing and the second housing and permits the first and second housings to rotate relative to each other. The print head is provided in the second housing and is configured to print an image by discharging on to the print medium when the print medium is on the first surface between the first and second housings.Type: GrantFiled: November 17, 2021Date of Patent: December 26, 2023Assignee: Toshiba Tec Kabushiki KaishaInventors: Daisuke Ishikawa, Taishi Fukazawa, Hiroshi Kiyomoto, Maiko Miyoshi, Yui Hiyoshi, Takaya Kitawaki, Seiya Shimizu
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Patent number: 11504976Abstract: According to at least one embodiment, a mobile printer includes a casing, a sensor, a print head, an interface, a controller, and a decolorizing device. The casing includes a power supply. The sensor detects the movement of the casing. The print head discharges ink containing a thermochromic colorant. The interface acquires image data. The controller discharges the ink from the print head based on the image data acquired by the interface and the movement of the casing detected by the sensor. The decolorizing device is coupled to the casing and includes a translucent film in which heat is generated by an applied voltage and a translucent substrate that is heated to a temperature at which the thermochromic colorant is decolorized by the heat generated in the translucent film.Type: GrantFiled: April 23, 2021Date of Patent: November 22, 2022Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventors: Daisuke Ishikawa, Kazuki Taira, Takaya Kitawaki, Daisuke Harayama
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Publication number: 20220258498Abstract: According to one embodiment, a mobile printer, includes an RFID writer capable of writing information to an RFID tag, such as one embedded in a merchandise tag or price tag. The mobile printer additionally includes a print head storing decolorable ink that can be made substantially invisible or indistinguishable on a merchandise tag or price tag. The print head is configured to discharge decolorable ink for printing information on a merchandise tag or price tag. The decolorable ink can be discolored/decolored after being used to print information on a merchandise tag or price tag to permit information on the merchandise tag or price tag to be changed after an initial printing.Type: ApplicationFiled: November 18, 2021Publication date: August 18, 2022Inventors: Yui HIYOSHI, Hiroshi KIYOMOTO, Maiko MIYOSHI, Taishi FUKAZAWA, Takaya KITAWAKI, Daisuke ISHIKAWA
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Publication number: 20220234364Abstract: According to one embodiment, a mobile printer includes a first housing, a second housing, a hinge, and a print head. The first housing has a first surface on which a printing medium can be disposed. The second housing faces the first surface. The hinge connects the first housing and the second housing and permits the first and second housings to rotate relative to each other. The print head is provided in the second housing and is configured to print an image by discharging on to the print medium when the print medium is on the first surface between the first and second housings.Type: ApplicationFiled: November 17, 2021Publication date: July 28, 2022Inventors: Daisuke ISHIKAWA, Taishi FUKAZAWA, Hiroshi KIYOMOTO, Maiko MIYOSHI, Yui HIYOSHI, Takaya KITAWAKI, Seiya SHIMIZU
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Publication number: 20220074796Abstract: A decolorizing apparatus includes a translucent heater, a casing, and a controller. The translucent heater is configured to generate heat according to an applied voltage. The casing is configured to support the translucent heater. The controller is configured to apply a voltage to the translucent heater. The voltage is associated with a temperature at which a thermochromic colorant.Type: ApplicationFiled: April 23, 2021Publication date: March 10, 2022Applicant: TOSHIBA TEC KABUSHIKI KAISHAInventors: Daisuke ISHIKAWA, Kazuki TAIRA, Takaya KITAWAKI, Daisuke HARAYAMA
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Publication number: 20220072868Abstract: According to at least one embodiment, a mobile printer includes a casing, a sensor, a print head, an interface, a controller, and a decolorizing device. The casing includes a power supply. The sensor detects the movement of the casing. The print head discharges ink containing a thermochromic colorant. The interface acquires image data. The controller discharges the ink from the print head based on the image data acquired by the interface and the movement of the casing detected by the sensor. The decolorizing device is coupled to the casing and includes a translucent film in which heat is generated by an applied voltage and a translucent substrate that is heated to a temperature at which the thermochromic colorant is decolorized by the heat generated in the translucent film.Type: ApplicationFiled: April 23, 2021Publication date: March 10, 2022Applicant: TOSHIBA TEC KABUSHIKI KAISHAInventors: Daisuke ISHIKAWA, Kazuki TAIRA, Takaya KITAWAKI, Daisuke HARAYAMA
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Patent number: 10682874Abstract: A droplet dispensing apparatus includes a droplet ejection device, a microplate holder, a sheet stand, an image capturing device and a controller. The image capturing device is configured to move to a position above the sheet stand. The controller is configured to perform image processing on image data generated from an image captured by the image capturing device when the image capturing device is at the position above the test sheet on the sheet stand, to determine a size of each of test patterns formed by droplets dropped on the test sheet from the array of nozzles. The controller is further configured to generate a data file including the determined size of each of the test patterns. The test sheet colors or discolors at a place receiving a light-transmissive droplet.Type: GrantFiled: December 12, 2019Date of Patent: June 16, 2020Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventors: Hiroshi Yamamoto, Shuhei Yokoyama, Takaya Kitawaki
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Publication number: 20200114670Abstract: A droplet dispensing apparatus includes a droplet ejection device, a microplate holder, a sheet stand, an image capturing device and a controller. The image capturing device is configured to move to a position above the sheet stand. The controller is configured to perform image processing on image data generated from an image captured by the image capturing device when the image capturing device is at the position above the test sheet on the sheet stand, to determine a size of each of test patterns formed by droplets dropped on the test sheet from the array of nozzles. The controller is further configured to generate a data file including the determined size of each of the test patterns. The test sheet colors or discolors at a place receiving a light-transmissive droplet.Type: ApplicationFiled: December 12, 2019Publication date: April 16, 2020Inventors: Hiroshi YAMAMOTO, Shuhei YOKOYAMA, Takaya KITAWAKI
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Publication number: 20200114669Abstract: A droplet dispensing apparatus includes a droplet ejection device, a microplate holder, a sheet stand, an image capturing device and a controller. The image capturing device is configured to move to a position above the sheet stand. The controller is configured to perform image processing on image data generated from an image captured by the image capturing device when the image capturing device is at the position above the test sheet on the sheet stand, to determine a size of each of test patterns formed by droplets dropped on the test sheet from the array of nozzles. The controller is further configured to generate a data file including the determined size of each of the test patterns. The test sheet colors or discolors at a place receiving a light-transmissive droplet.Type: ApplicationFiled: December 12, 2019Publication date: April 16, 2020Inventors: Hiroshi YAMAMOTO, Shuhei YOKOYAMA, Takaya KITAWAKI
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Publication number: 20190315139Abstract: A droplet dispensing apparatus includes a droplet ejection device, a microplate holder, a sheet stand, an image capturing device and a controller. The image capturing device is configured to move to a position above the sheet stand. The controller is configured to perform image processing on image data generated from an image captured by the image capturing device when the image capturing device is at the position above the test sheet on the sheet stand, to determine a size of each of test patterns formed by droplets dropped on the test sheet from the array of nozzles. The controller is further configured to generate a data file including the determined size of each of the test patterns. The test sheet colors or discolors at a place receiving a light-transmissive droplet.Type: ApplicationFiled: February 13, 2019Publication date: October 17, 2019Inventors: Hiroshi YAMAMOTO, Shuhei YOKOYAMA, Takaya KITAWAKI
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Publication number: 20190315122Abstract: A droplet dispensing apparatus includes a droplet ejection device, a microplate holder, and a sheet stand. The droplet ejection device has a solution holding vessel and an array of nozzles for ejection of droplets communicating with the solution holding vessel. The microplate holder is configured to hold a microplate into which the droplets are ejected. A test sheet being colored or discolored at a place where a light-transmissive droplet is received for testing the array of nozzles can be placed on the sheet stand. The droplet ejection device is configured to move to a first position above the microplate holder for ejection of droplets into the microplate and to a second position above the sheet stand for ejection of droplets onto the test sheet.Type: ApplicationFiled: February 13, 2019Publication date: October 17, 2019Inventors: Shuhei YOKOYAMA, Takaya KITAWAKI, Hiroshi YAMAMOTO
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Patent number: 9896589Abstract: According to an embodiment, an ink composition for inkjet recording comprises a dispersion medium that contains water and glycol ether of which boiling point is equal to or greater than 220 degrees centigrade, a pigment and a core-shell particle that includes a core consisting of hydrophobic acrylic resin and a shell consisting of at least one of aqueous urethane resin and acrylic graft aqueous urethane resin.Type: GrantFiled: February 8, 2016Date of Patent: February 20, 2018Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventors: Hiroshi Kiyomoto, Takaya Kitawaki
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Publication number: 20170210929Abstract: In accordance with one embodiment, an ink composition for inkjet recording comprises a pigment, a pigment dispersant, water, a water-soluble solvent, a wettability enhancer including 2,5,8,11-tetramethyl-6-dodecyne-5,8-diol, and an aqueous resin emulsion.Type: ApplicationFiled: April 10, 2017Publication date: July 27, 2017Inventors: Hiroshi KIYOMOTO, Takaya KITAWAKI
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Patent number: 9650531Abstract: In accordance with one embodiment, an ink composition for inkjet recording comprises a pigment, a pigment dispersant, water, a water-soluble solvent, a wettability enhancer including 2,5,8,11-tetramethyl-6-dodecyne-5,8-diol, and an aqueous resin emulsion.Type: GrantFiled: November 24, 2014Date of Patent: May 16, 2017Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventors: Hiroshi Kiyomoto, Takaya Kitawaki
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Publication number: 20160280943Abstract: According to an embodiment, an ink composition for inkjet recording comprises a dispersion medium that contains water and glycol ether of which boiling point is equal to or greater than 220 degrees centigrade, a pigment and a core-shell particle that includes a core consisting of hydrophobic acrylic resin and a shell consisting of at least one of aqueous urethane resin and acrylic graft aqueous urethane resin.Type: ApplicationFiled: February 8, 2016Publication date: September 29, 2016Inventors: Hiroshi Kiyomoto, Takaya Kitawaki
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Publication number: 20150275020Abstract: According to one embodiment, an undercoating composition for an impermeable recording medium includes water, matrix resin fine particles, porous resin fine particles, 2,5,8,11-tetramethyl-6-dodecyne-5,8-diol, and a polyvalent metal salt. A recording medium for an aqueous ink includes an impermeable base member, an undercoat layer formed on a surface of the base member. The undercoat layer includes a binder resin, porous resin fine particles, 2,5,8,11-tetramethyl-6-dodecyne-5,8-diol, and a polyvalent metal salt.Type: ApplicationFiled: March 20, 2015Publication date: October 1, 2015Inventors: Hiroshi KIYOMOTO, Takaya KITAWAKI
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Publication number: 20150148469Abstract: In accordance with one embodiment, an ink composition for inkjet recording comprises a pigment, a pigment dispersant, water, a water-soluble solvent, a wettability enhancer including 2,5,8,11-tetramethyl-6-dodecyne-5,8-diol, and an aqueous resin emulsion.Type: ApplicationFiled: November 24, 2014Publication date: May 28, 2015Inventors: Hiroshi KIYOMOTO, Takaya KITAWAKI
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Patent number: 8960831Abstract: According to one embodiment, the inkjet head of an application example includes a pressure chamber for charging the ink, an actuator for changing the volume of the pressure chamber, a nozzle for discharging the ink inside the pressure chamber when the volume of the pressure chamber is changed, and a controller that, in the formation of one pixel by discharging ink drops from the nozzle, when the elapsed interval from discharging ink drops last time by the nozzle is less than the specified interval, outputs the discharging waveform corresponding to the ink drop number determined for the formation of the pixel, and when the elapsed interval is more than the specified interval, increases the number of ink drop discharge cycles above the number determined for the formation of the pixel.Type: GrantFiled: January 2, 2013Date of Patent: February 24, 2015Assignee: Toshiba Tec Kabushiki KaishaInventors: Yoshiaki Kaneko, Takashi Kado, Masashi Hiroki, Atsushi Kubota, Takao Izumi, Takaya Kitawaki
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Publication number: 20120169808Abstract: According to an embodiment of the present invention, with an inkjet printer, an image is formed by adhering a colorless pretreatment liquid containing a polyvalent metal salt, 3-methoxy-3-methyl-1-butanol, and water to a plain paper thereby subjecting the plain paper to pretreatment, and thereafter, ejecting at least one type of ink composition containing a pigment and water and reacting with the polyvalent metal salt onto the plain paper.Type: ApplicationFiled: March 12, 2012Publication date: July 5, 2012Applicants: TOSHIBA TEC KABUSHIKI KAISHA, KABUSHIKI KAISHA TOSHIBAInventors: Hiroshi Kiyomoto, Ryoze Akiyama, Takaya Kitawaki
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Publication number: 20120139989Abstract: An ink jet recording apparatus includes a storage part to store a recording medium, an image forming part that forms an image by ejecting an aqueous ink to the recording medium conveyed from the storage part, a separation part that includes a slit to allow the recording medium to pass from the storage part to the image forming part, and an opening and closing part to open and close the slit, and separates the storage part and the image forming part, a detection part to detect conveyance of the recording medium from the storage part to the image forming part, and a control part to control opening and closing of the opening and closing part in accordance with a detection result of the detection part.Type: ApplicationFiled: November 30, 2011Publication date: June 7, 2012Applicants: TOSHIBA TEC KABUSHIKI KAISHA, KABUSHIKI KAISHA TOSHIBAInventors: Kazuhiko Ohtsu, Hiroshi Kiyomoto, Takaya Kitawaki