Patents by Inventor Hiroyuki Tsukuni
Hiroyuki Tsukuni 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: 11040550Abstract: A concave and convex pattern forming apparatus, includes a pattern forming unit that forms a pattern with a transparent infrared absorbing material on a surface of a foam body that is foamed by heating; and an irradiation unit that irradiates, with infrared rays, the surface having a pattern formed by the pattern forming unit.Type: GrantFiled: February 13, 2019Date of Patent: June 22, 2021Assignee: FUJIFILM Business Innovation Corp.Inventors: Mamoru Fujita, Hiroyuki Tsukuni, Akira Sakamoto
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Patent number: 10675890Abstract: A drying unit includes: a first irradiation device that includes plural first irradiation arrays each having plural laser elements disposed along a feeding direction of a recording medium to which liquid droplets have been ejected and which is being fed, the recording medium being irradiated with laser light by the laser elements, the first irradiation arrays being disposed side by side in a cross direction crossing the feeding direction, driving of the first irradiation device being controlled for each of the first irradiation arrays; and a second irradiation device that is provided on an upstream side or a downstream side in the feeding direction with respect to the first irradiation device, as defined herein.Type: GrantFiled: August 14, 2018Date of Patent: June 9, 2020Assignee: Fuji Xerox Co., Ltd.Inventors: Yukari Motosugi, Shigeyuki Sakaki, Hiroyuki Tsukuni, Akira Sakamoto
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Publication number: 20200086668Abstract: A concave and convex pattern forming apparatus, includes a pattern forming unit that forms a pattern with a transparent infrared absorbing material on a surface of a foam body that is foamed by heating; and an irradiation unit that irradiates, with infrared rays, the surface having a pattern formed by the pattern forming unit.Type: ApplicationFiled: February 13, 2019Publication date: March 19, 2020Inventors: Mamoru Fujita, Hiroyuki Tsukuni, Akira Sakamoto
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Patent number: 10477732Abstract: A light irradiation device includes a light emitting unit, a cooling unit, a supply unit, and a driving unit. The light emitting unit emits light while generating heat. The cooling unit includes a channel through which a coolant flows, a first surface on which the light emitting unit is mounted, and a second surface that faces a direction opposite to the first surface. The supply unit is disposed facing the second surface in one direction that the second surface faces and supplies the coolant to the cooling unit. The driving unit is disposed facing the second surface in the one direction and includes a driving board that drives the light emitting unit.Type: GrantFiled: April 3, 2018Date of Patent: November 12, 2019Assignee: FUJI XEROX CO., LTD.Inventors: Michiaki Murata, Akira Sakamoto, Atsuyuki Kitamura, Hiroyuki Tsukuni, Akira Mihara, Naoya Kamigaito, Satoshi Tejima, Junichiro Hayakawa
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Publication number: 20190291468Abstract: A drying unit includes: a first irradiation device that includes plural first irradiation arrays each having plural laser elements disposed along a feeding direction of a recording medium to which liquid droplets have been ejected and which is being fed, the recording medium being irradiated with laser light by the laser elements, the first irradiation arrays being disposed side by side in a cross direction crossing the feeding direction, driving of the first irradiation device being controlled for each of the first irradiation arrays; and a second irradiation device that is provided on an upstream side or a downstream side in the feeding direction with respect to the first irradiation device, as defined herein.Type: ApplicationFiled: August 14, 2018Publication date: September 26, 2019Inventors: Yukari Motosugi, Shigeyuki Sakaki, Hiroyuki Tsukuni, Akira Sakamoto
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Publication number: 20180310438Abstract: A light irradiation device includes a light emitting unit, a cooling unit, a supply unit, and a driving unit. The light emitting unit emits light while generating heat. The cooling unit includes a channel through which a coolant flows, a first surface on which the light emitting unit is mounted, and a second surface that faces a direction opposite to the first surface. The supply unit is disposed facing the second surface in one direction that the second surface faces and supplies the coolant to the cooling unit. The driving unit is disposed facing the second surface in the one direction and includes a driving board that drives the light emitting unit.Type: ApplicationFiled: April 3, 2018Publication date: October 25, 2018Applicant: FUJI XEROX CO., LTD.Inventors: Michiaki MURATA, Akira SAKAMOTO, Atsuyuki KITAMURA, Hiroyuki TSUKUNI, Akira MIHARA, Naoya KAMIGAITO, Satoshi TEJIMA, Junichiro HAYAKAWA
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Patent number: 9969184Abstract: A droplet ejection device includes: a droplet ejection head that ejects a droplet to a recording medium; an irradiating portion that evaporates moisture of the droplet landed on the recording medium by irradiating the recording medium with infrared laser beam; and a light shielding member that includes an upper light shielding member provided on a perimeter of the irradiating portion and a lower light shielding member provided on a position facing the irradiating portion and the upper light shielding portion while placing the recording medium therebetween, in which the upper light shielding portion and the lower light shielding portion are in contact with each other at an outside of the recording medium in the width direction so that the light shielding member shields the infrared laser beam at least in the width direction of the recording medium.Type: GrantFiled: December 5, 2016Date of Patent: May 15, 2018Assignee: Fuji Xerox Co., Ltd.Inventors: Jun Isozaki, Akira Sakamoto, Takehiro Niitsu, Hiroyuki Tsukuni, Yukari Motosugi
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Patent number: 9902170Abstract: An irradiation device includes: an irradiation unit that is disposed downstream of an ejection unit that ejects droplets, in a movement direction of a medium that is moved relative to the ejection unit so as to form a gap between the irradiation unit and the medium, and that irradiates, with light, droplets that have been ejected from the ejection unit and landed on the medium; and a transparent member that is shaped like a belt, transmits light, and is moved through the gap relative to the irradiation unit.Type: GrantFiled: December 13, 2016Date of Patent: February 27, 2018Assignee: Fuji Xerox Co., Ltd.Inventors: Takeshi Zengo, Akira Sakamoto, Hiroyuki Tsukuni, Jun Isozaki, Toshinobu Hamazaki, Yukari Motosugi
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Patent number: 9902169Abstract: A droplets drying device includes: a drying mechanism having a plurality of light sources that are arranged in a width direction of a recording medium, and dry droplets ejected onto the recording medium by emitting light toward the droplets; a moving mechanism that moves the drying mechanism in the width direction; a light shield member that is opposed to at least part of the drying mechanism being moved by the moving mechanism, and interrupts light emitted from the light sources disposed in the part, opposed to the light shield member, of the drying mechanism; and a measuring member that is disposed in a light shield region where the light shield member interrupts incoming light, and receives light emitted from each of the light sources and measures a light quantity of the light source as the measuring member is moved relative to the drying mechanism in the width direction.Type: GrantFiled: October 31, 2016Date of Patent: February 27, 2018Assignee: Fuji Xerox Co., Ltd.Inventors: Takeshi Zengo, Akira Sakamoto, Toshinobu Hamazaki, Jun Isozaki, Hiroyuki Tsukuni
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Patent number: 9895905Abstract: A droplet ejection apparatus includes: a droplet ejection head; an irradiation part that irradiates a recording medium with infrared laser light for evaporating a water content of a droplet landed on the recording medium; a supply part that includes a rectifying part disposed along a conveyance direction of the recording medium and causes the rectifying part to supply, above the recording medium, air flowing toward a downstream side in the conveyance direction of the recording medium; and a vent part that vents at least a part of air flown above the recording medium toward the downstream side in the conveyance direction of the recording medium.Type: GrantFiled: October 25, 2016Date of Patent: February 20, 2018Assignee: Fuji Xerox Co., Ltd.Inventors: Jun Isozaki, Akira Sakamoto, Hiroyuki Tsukuni, Tomozumi Uesaka
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Patent number: 9873265Abstract: An irradiation device includes: an irradiation unit that irradiates a target with light; at least one component that is arranged in an advancing direction of light reflected by the target; and a light blocking unit that is arranged between the target and the at least one component in the advancing direction and blocks the reflected light.Type: GrantFiled: November 9, 2016Date of Patent: January 23, 2018Assignee: Fuji Xerox Co., Ltd.Inventors: Takehiro Niitsu, Jun Isozaki, Hiroyuki Tsukuni, Akira Sakamoto
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Publication number: 20180001665Abstract: A droplet ejection apparatus includes: a droplet ejection head; an irradiation part that irradiates a recording medium with infrared laser light for evaporating a water content of a droplet landed on the recording medium; a supply part that includes a rectifying part disposed along a conveyance direction of the recording medium and causes the rectifying part to supply, above the recording medium, air flowing toward a downstream side in the conveyance direction of the recording medium; and a vent part that vents at least a part of air flown above the recording medium toward the downstream side in the conveyance direction of the recording medium.Type: ApplicationFiled: October 25, 2016Publication date: January 4, 2018Inventors: Jun Isozaki, Akira Sakamoto, Hiroyuki Tsukuni, Tomozumi Uesaka
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Publication number: 20180001668Abstract: A droplet ejection device includes: a droplet ejection head that ejects a droplet to a recording medium; an irradiating portion that evaporates moisture of the droplet landed on the recording medium by irradiating the recording medium with infrared laser beam; and a light shielding member that includes an upper light shielding member provided on a perimeter of the irradiating portion and a lower light shielding member provided on a position facing the irradiating portion and the upper light shielding portion while placing the recording medium therebetween, in which the upper light shielding portion and the lower light shielding portion are in contact with each other at an outside of the recording medium in the width direction so that the light shielding member shields the infrared laser beam at least in the width direction of the recording medium.Type: ApplicationFiled: December 5, 2016Publication date: January 4, 2018Inventors: Jun Isozaki, Akira Sakamoto, Takehiro Niitsu, Hiroyuki Tsukuni, Yukari Motosugi
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Publication number: 20180001666Abstract: A droplets drying device includes: a drying mechanism having a plurality of light sources that are arranged in a width direction of a recording medium, and dry droplets ejected onto the recording medium by emitting light toward the droplets; a moving mechanism that moves the drying mechanism in the width direction; a light shield member that is opposed to at least part of the drying mechanism being moved by the moving mechanism, and interrupts light emitted from the light sources disposed in the part, opposed to the light shield member, of the drying mechanism; and a measuring member that is disposed in a light shield region where the light shield member interrupts incoming light, and receives light emitted from each of the light sources and measures a light quantity of the light source as the measuring member is moved relative to the drying mechanism in the width direction.Type: ApplicationFiled: October 31, 2016Publication date: January 4, 2018Inventors: Takeshi Zengo, Akira Sakamoto, Toshinobu Hamazaki, Jun Isozaki, Hiroyuki Tsukuni
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Publication number: 20170368842Abstract: An irradiation device includes: an irradiation unit that is disposed downstream of an ejection unit that ejects droplets, in a movement direction of a medium that is moved relative to the ejection unit so as to form a gap between the irradiation unit and the medium, and that irradiates, with light, droplets that have been ejected from the ejection unit and landed on the medium; and a transparent member that is shaped like a belt, transmits light, and is moved through the gap relative to the irradiation unit.Type: ApplicationFiled: December 13, 2016Publication date: December 28, 2017Inventors: Takeshi Zengo, Akira Sakamoto, Hiroyuki Tsukuni, Jun Isozaki, Toshinobu Hamazaki, Yukari Motosugi
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Publication number: 20170361625Abstract: An irradiation device includes: an irradiation, unit that irradiates a target with light; at least one component that is arranged in an advancing direction of light reflected by the target; and a light blocking unit that is arranged between the target and the at least one component in the advancing direction and blocks the reflected light.Type: ApplicationFiled: November 9, 2016Publication date: December 21, 2017Inventors: Takehiro Niitsu, Jun Isozaki, Hiroyuki Tsukuni, Akira Sakamoto
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Publication number: 20170266985Abstract: Provided is a droplet ejection device, including: a droplet ejection head in which a longitudinal direction thereof is aligned with a width direction of a recording medium and that forms an image by ejecting a droplet onto the recording medium to be transported along a transporting path; and three or more movable infrared ray irradiation devices that are movably disposed on a downstream side of the recording medium in a transporting direction in relation to the droplet ejection head and that evaporate moisture in the image formed on the recording medium.Type: ApplicationFiled: August 1, 2016Publication date: September 21, 2017Inventors: Yukari Motosugi, Takeshi Zengo, Hiroyuki Tsukuni, Kazuhiko Hirokawa, Takuma Ishihara, Akira Sakamoto
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Patent number: 9340041Abstract: There is provided a drying device including a plurality of surface-emitting laser elements each having a plurality of laser elements and arranged along a feeding direction of a recording medium. First power supplying pads are respectively provided at both ends of an electrode on a laser illumination surface of each surface-emitting laser element in a width direction of the recording medium and a second power supplying pad is provided at one end of the electrode on a backside of each surface-emitting laser element in the feeding direction. The respective first power supplying pads of the surface-emitting laser element arranged at an upstream-side in the feeding direction and the second power supplying pad of the surface-emitting laser element arranged at a downstream-side in the feeding direction are connected to each other by wires.Type: GrantFiled: January 26, 2015Date of Patent: May 17, 2016Assignee: FUJI XEROX CO., LTD.Inventors: Takehiro Niitsu, Jun Isozaki, Yasuhiro Ogasawara, Hiroyuki Tsukuni, Akira Sakamoto, Naoki Morita
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Publication number: 20160059583Abstract: There is provided a drying device including a plurality of surface-emitting laser elements each having a plurality of laser elements and arranged along a feeding direction of a recording medium. First power supplying pads are respectively provided at both ends of an electrode on a laser illumination surface of each surface-emitting laser element in a width direction of the recording medium and a second power supplying pad is provided at one end of the electrode on a backside of each surface-emitting laser element in the feeding direction. The respective lust power supplying pads of the surface-emitting laser element arranged at an upstream-side in the feeding direction and the second power supplying pad of the surface-emitting laser element arranged at a downstream-side in the feeding direction are connected to each other by wires.Type: ApplicationFiled: January 26, 2015Publication date: March 3, 2016Inventors: Takehiro Niitsu, Jun Isozaki, Yasuhiro Ogasawara, Hiroyuki Tsukuni, Akira Sakamoto, Naoki Morita
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Patent number: 6345890Abstract: An ink cartridge includes: an ink container; a vent provided in the ink container; and an ink supply hole for accepting an ink supply tube for supplying a recording head with ink. When the ink cartridge is inserted into a cartridge container of a printer without removing a closing member for closing vent, an installation stopper formed in one unit with the closing member prevents the ink supply hole from being engaged with a tube container of the cartridge container so as not to accept the ink supply tube.Type: GrantFiled: March 15, 2001Date of Patent: February 12, 2002Assignee: NEC CorporationInventor: Hiroyuki Tsukuni