Patents by Inventor Toyohiko Mitsuzawa
Toyohiko Mitsuzawa 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).
-
Patent number: 10112415Abstract: A liquid ejecting apparatus includes (A) a carriage that moves a nozzle ejecting a liquid which is cured by irradiation of an electromagnetic wave in a moving direction, (B) a first irradiation section that is installed on the carriage and irradiates electromagnetic waves on dots formed by landing the liquid which is ejected from the moving nozzle, on a medium, and (C) a second irradiation section that is installed on the carriage and irradiates electromagnetic waves on the dots which are irradiated by the electromagnetic waves from the first irradiation section, in which an irradiance level of the electromagnetic waves from the second irradiation section is different from that of the electromagnetic waves from the first irradiation section.Type: GrantFiled: October 26, 2017Date of Patent: October 30, 2018Assignee: Seiko Epson CorporationInventor: Toyohiko Mitsuzawa
-
Publication number: 20180043705Abstract: A liquid ejecting apparatus includes (A) a carriage that moves a nozzle ejecting a liquid which is cured by irradiation of an electromagnetic wave in a moving direction, (B) a first irradiation section that is installed on the carriage and irradiates electromagnetic waves on dots formed by landing the liquid which is ejected from the moving nozzle, on a medium, and (C) a second irradiation section that is installed on the carriage and irradiates electromagnetic waves on the dots which are irradiated by the electromagnetic waves from the first irradiation section, in which an irradiance level of the electromagnetic waves from the second irradiation section is different from that of the electromagnetic waves from the first irradiation section.Type: ApplicationFiled: October 26, 2017Publication date: February 15, 2018Inventor: Toyohiko MITSUZAWA
-
Patent number: 9834013Abstract: A liquid ejecting apparatus includes (A) a carriage that moves a nozzle ejecting a liquid which is cured by irradiation of an electromagnetic wave in a moving direction, (B) a first irradiation section that is installed on the carriage and irradiates electromagnetic waves on dots formed by landing the liquid which is ejected from the moving nozzle, on a medium, and (C) a second irradiation section that is installed on the carriage and irradiates electromagnetic waves on the dots which are irradiated by the electromagnetic waves from the first irradiation section, in which an irradiance level of the electromagnetic waves from the second irradiation section is different from that of the electromagnetic waves from the first irradiation section.Type: GrantFiled: November 14, 2016Date of Patent: December 5, 2017Assignee: Seiko Epson CorporationInventor: Toyohiko Mitsuzawa
-
Publication number: 20170057252Abstract: A liquid ejecting apparatus includes (A) a carriage that moves a nozzle ejecting a liquid which is cured by irradiation of an electromagnetic wave in a moving direction, (B) a first irradiation section that is installed on the carriage and irradiates electromagnetic waves on dots formed by landing the liquid which is ejected from the moving nozzle, on a medium, and (C) a second irradiation section that is installed on the carriage and irradiates electromagnetic waves on the dots which are irradiated by the electromagnetic waves from the first irradiation section, in which an irradiance level of the electromagnetic waves from the second irradiation section is different from that of the electromagnetic waves from the first irradiation section.Type: ApplicationFiled: November 14, 2016Publication date: March 2, 2017Inventor: Toyohiko MITSUZAWA
-
Publication number: 20170002221Abstract: The UV curable ink jet recording ink composition contains a thioxanthone-based photopolymerization initiator and a hindered amine compound. The dissolved oxygen content in the ink composition is 20 ppm or less.Type: ApplicationFiled: September 19, 2016Publication date: January 5, 2017Applicant: Seiko Epson CorporationInventors: Hiroaki Kida, Hiroshi Fukumoto, Keitaro Nakano, Toyohiko Mitsuzawa
-
Patent number: 9522550Abstract: A liquid ejecting apparatus includes (A) a carriage that moves a nozzle ejecting a liquid which is cured by irradiation of an electromagnetic wave in a moving direction, (B) a first irradiation section that is installed on the carriage and irradiates electromagnetic waves on dots formed by landing the liquid which is ejected from the moving nozzle, on a medium, and (C) a second irradiation section that is installed on the carriage and irradiates electromagnetic waves on the dots which are irradiated by the electromagnetic waves from the first irradiation section, in which an irradiance level of the electromagnetic waves from the second irradiation section is different from that of the electromagnetic waves from the first irradiation section.Type: GrantFiled: February 9, 2016Date of Patent: December 20, 2016Assignee: Seiko Epson CorporationInventor: Toyohiko Mitsuzawa
-
Patent number: 9493667Abstract: The UV curable ink jet recording ink composition contains a thioxanthone-based photopolymerization initiator and a hindered amine compound. The dissolved oxygen content in the ink composition is 20 ppm or less.Type: GrantFiled: November 15, 2013Date of Patent: November 15, 2016Assignee: Seiko Epson CorporationInventors: Hiroaki Kida, Hiroshi Fukumoto, Keitaro Nakano, Toyohiko Mitsuzawa
-
Patent number: 9464202Abstract: The UV curable ink jet recording ink composition contains a thioxanthone-based photopolymerization initiator and a hindered amine compound. The dissolved oxygen content in the ink composition is 20 ppm or less.Type: GrantFiled: November 15, 2013Date of Patent: October 11, 2016Assignee: Seiko Epson CorporationInventors: Hiroaki Kida, Hiroshi Fukumoto, Keitaro Nakano, Toyohiko Mitsuzawa
-
Publication number: 20160159109Abstract: A liquid ejecting apparatus includes (A) a carriage that moves a nozzle ejecting a liquid which is cured by irradiation of an electromagnetic wave in a moving direction, (B) a first irradiation section that is installed on the carriage and irradiates electromagnetic waves on dots formed by landing the liquid which is ejected from the moving nozzle, on a medium, and (C) a second irradiation section that is installed on the carriage and irradiates electromagnetic waves on the dots which are irradiated by the electromagnetic waves from the first irradiation section, in which an irradiance level of the electromagnetic waves from the second irradiation section is different from that of the electromagnetic waves from the first irradiation section.Type: ApplicationFiled: February 9, 2016Publication date: June 9, 2016Inventor: Toyohiko MITSUZAWA
-
Patent number: 9327520Abstract: A printing apparatus includes: a first nozzle which elects a first ink used to print an image on a medium and cured by irradiation of light; a pre-curing light source which emits a pre-curing light to dots formed as the first ink ejected from the first nozzle is landed onto the medium; a second nozzle which ejects a second ink used to coat a surface of the medium and cured by irradiation of light onto the medium after being irradiated by the light from the pre-curing light source; and a main-curing light source which emits a main-curing light to the medium, wherein the irradiation energy of the light emitted to a unit area of the medium from the pre-curing light source is changed according to whether the second ink is ejected from the second nozzle.Type: GrantFiled: October 23, 2013Date of Patent: May 3, 2016Assignee: SEIKO EPSON CORPORATIONInventors: Hiroyuki Onishi, Toyohiko Mitsuzawa
-
Patent number: 9308740Abstract: There is provided a printing method that is performed by using a first nozzle ejecting color ink that is used for printing an image on a medium, a second nozzle ejecting a process solution that is used for processing the surface of the medium. The printing method includes printing an image constituted by color dots on the medium by ejecting the color ink from the first nozzle so as to form the color dots on the medium and forming process dots in areas other than the image on the medium by ejecting the process solution from the second nozzle, transporting the medium in a direction opposite to a transport direction after the color dots and the process dots are formed on the medium, and coating the color dots and the process dots with the process solution after the medium is transported in the direction opposite to the transport direction.Type: GrantFiled: June 16, 2014Date of Patent: April 12, 2016Assignee: Seiko Epson CorporationInventor: Toyohiko Mitsuzawa
-
Patent number: 9283776Abstract: A liquid ejecting apparatus includes (A) a carriage that moves a nozzle ejecting a liquid which is cured by irradiation of an electromagnetic wave in a moving direction, (B) a first irradiation section that is installed on the carriage and irradiates electromagnetic waves on dots formed by landing the liquid which is ejected from the moving nozzle, on a medium, and (C) a second irradiation section that is installed on the carriage and irradiates electromagnetic waves on the dots which are irradiated by the electromagnetic waves from the first irradiation section, in which an irradiance level of the electromagnetic waves from the second irradiation section is different from that of the electromagnetic waves from the first irradiation section.Type: GrantFiled: September 22, 2015Date of Patent: March 15, 2016Assignee: Seiko Epson CorporationInventor: Toyohiko Mitsuzawa
-
Publication number: 20160009106Abstract: A liquid ejecting apparatus includes (A) a carriage that moves a nozzle ejecting a liquid which is cured by irradiation of an electromagnetic wave in a moving direction, (B) a first irradiation section that is installed on the carriage and irradiates electromagnetic waves on dots formed by landing the liquid which is ejected from the moving nozzle, on a medium, and (C) a second irradiation section that is installed on the carriage and irradiates electromagnetic waves on the dots which are irradiated by the electromagnetic waves from the first irradiation section, in which an irradiance level of the electromagnetic waves from the second irradiation section is different from that of the electromagnetic waves from the first irradiation section.Type: ApplicationFiled: September 22, 2015Publication date: January 14, 2016Inventor: Toyohiko MITSUZAWA
-
Patent number: 9168764Abstract: A liquid ejecting apparatus includes (A) a carriage that moves a nozzle ejecting a liquid which is cured by irradiation of an electromagnetic wave in a moving direction, (B) a first irradiation section that is installed on the carriage and irradiates electromagnetic waves on dots formed by landing the liquid which is ejected from the moving nozzle, on a medium, and (C) a second irradiation section that is installed on the carriage and irradiates electromagnetic waves on the dots which are irradiated by the electromagnetic waves from the first irradiation section, in which an irradiance level of the electromagnetic waves from the second irradiation section is different from that of the electromagnetic waves from the first irradiation section.Type: GrantFiled: August 9, 2013Date of Patent: October 27, 2015Assignee: Seiko Epson CorporationInventor: Toyohiko Mitsuzawa
-
Patent number: 8894172Abstract: An image forming apparatus which includes a head for discharging colored radiation curable ink and colorless radiation curable ink that are cured upon irradiation with electromagnetic waves onto a medium, and a controller for causing dots of the colored radiation curable ink and dots of the colorless radiation curable ink to be densely arranged.Type: GrantFiled: September 7, 2011Date of Patent: November 25, 2014Assignee: Seiko Epson CorporationInventor: Toyohiko Mitsuzawa
-
Patent number: 8864259Abstract: A liquid ejecting apparatus that includes a nozzle column configured to eject liquid cured by receiving irradiation of light, an irradiation section, and a controller that controls the nozzle column and the irradiation. The controller operates the liquid ejecting apparatus in a first print mode or a second print mode, the second print mode having an image quality lower than the first print mode. During the first print mode first dots are formed using a first nozzle region of the nozzle column and irradiated with light within a predetermined range. During the second print mode, second dots are formed using a second nozzle region of the nozzle column, the second nozzle region having a greater number of nozzles than that of the first nozzle region, and then irradiated with light within a range larger than the predetermined range.Type: GrantFiled: April 4, 2012Date of Patent: October 21, 2014Assignee: Seiko Epson CorporationInventor: Toyohiko Mitsuzawa
-
Publication number: 20140292929Abstract: There is provided a printing method that is performed by using a first nozzle ejecting color ink that is used for printing an image on a medium, a second nozzle ejecting a process solution that is used for processing the surface of the medium. The printing method includes printing an image constituted by color dots on the medium by ejecting the color ink from the first nozzle so as to form the color dots on the medium and forming process dots in areas other than the image on the medium by ejecting the process solution from the second nozzle, transporting the medium in a direction opposite to a transport direction after the color dots and the process dots are formed on the medium, and coating the color dots and the process dots with the process solution after the medium is transported in the direction opposite to the transport direction.Type: ApplicationFiled: June 16, 2014Publication date: October 2, 2014Inventor: Toyohiko MITSUZAWA
-
Patent number: 8789916Abstract: There is provided a printing method that is performed by using a first nozzle ejecting color ink that is used for printing an image on a medium, a second nozzle ejecting a process solution that is used for processing the surface of the medium. The printing method includes printing an image constituted by color dots on the medium by ejecting the color ink from the first nozzle so as to form the color dots on the medium and forming process dots in areas other than the image on the medium by ejecting the process solution from the second nozzle, transporting the medium in a direction opposite to a transport direction after the color dots and the process dots are formed on the medium, and coating the color dots and the process dots with the process solution after the medium is transported in the direction opposite to the transport direction.Type: GrantFiled: August 15, 2012Date of Patent: July 29, 2014Assignee: Seiko Epson CorporationInventor: Toyohiko Mitsuzawa
-
Patent number: 8777395Abstract: A liquid ejecting apparatus includes a carriage that has a head ejecting liquid cured by receiving the irradiation of light and moves in a movement direction intersecting a transportation direction of a medium; a first irradiation section; a second irradiation section; and a controller that forms the image on the medium through performing an ejection operation ejecting the liquid from the head while moving the carriage in the movement direction and a transportation operation that transports the medium in the transportation direction, and performs control of the irradiation intensity of the light of the first irradiation section at the time of the ejection operation to regulate the surface condition of the image and to change the irradiation intensity of the light of the second irradiation section according to the irradiation intensity of the light of the first irradiation section.Type: GrantFiled: April 24, 2012Date of Patent: July 15, 2014Assignee: Seiko Epson CorporationInventor: Toyohiko Mitsuzawa
-
Publication number: 20140132682Abstract: The UV curable ink jet recording ink composition contains a thioxanthone-based photopolymerization initiator and a hindered amine compound. The dissolved oxygen content in the ink composition is 20 ppm or less.Type: ApplicationFiled: November 15, 2013Publication date: May 15, 2014Applicant: SEIKO EPSON CORPORATIONInventors: Hiroaki Kida, Hiroaki Fukumoto, Keitaro Nakano, Toyohiko Mitsuzawa