Patents by Inventor Hirokazu Fujii
Hirokazu Fujii 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: 11945226Abstract: A printer includes an ejecting head that ejects ink, a glued belt including a support surface, a first fan and a second fan configured to blow air toward the support surface, and a facing portion facing a portion of the first fan and a portion of the second fan. The facing portion includes an opening that opens in the Z direction. The opening is located between the first fan and the second fan in the X direction when viewed in the Z direction. When a spacing in the X direction at a first position in the +Y direction is defined as the first spacing and a spacing in the X direction at a second position upstream of the first position in the +Y direction is defined as the second spacing, the second spacing is larger than the first spacing.Type: GrantFiled: June 27, 2022Date of Patent: April 2, 2024Assignee: Seiko Epson CorporationInventors: Keigo Takishima, Hirokazu Fujii
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Patent number: 11858258Abstract: A work system includes a recording apparatus including a transport belt that is provided with an adhesive configured for attachment of a medium, and is configured to transport the medium, and a main body portion in which a recording portion configured to perform recording on the medium is accommodated, a cover that covers at least a part of an exposed part of the transport belt exposed from the main body portion, and a removing portion configured to remove gas in a space covered with the cover.Type: GrantFiled: November 10, 2021Date of Patent: January 2, 2024Assignee: Seiko Epson CorporationInventors: Seijun Horie, Kiyoto Komuro, Hirokazu Fujii, Takumi Otsu
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Publication number: 20230234384Abstract: A liquid ejecting device includes an ejecting head configured to eject liquid to a medium, a conveyance belt including an adhesive layer to which the medium is bondable, the conveyance belt being configured to convey the medium with the adhesive layer, a heating unit configured to heat the conveyance belt, a pressing unit configured to press the medium against the conveyance belt heated by the heating unit, a channel member configured to define a channel of the liquid to be supplied to the ejecting head, an airflow generation unit configured to generate airflow to be jetted to the conveyance belt past the pressing unit, and a heat exchange mechanism configured to exchange heat between a heat absorption unit configured to absorb heat and a heat dissipation unit configured to emit heat. The heat dissipation unit makes contact with the channel member, and the heat absorption unit is disposed in a course of an airway path through which the airflow moves.Type: ApplicationFiled: January 23, 2023Publication date: July 27, 2023Inventor: Hirokazu FUJII
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Patent number: 11605992Abstract: A motor assembly includes a motor and sealing member fixed to a frame. The motor includes a stator and a rotor. The stator includes a coil holding portion and a first portion with an annular shape and extending radially outward from the coil holding portion. The rotor includes a magnet and a magnet holding portion located in a first space. The first portion has a first surface in contact with the first space, and a second surface on a side opposite to the first surface. A through hole penetrates from the first surface to the second surface in the first portion. The sealing member is disposed on a side of the stator opposite to the rotor, and is fixed to the frame so a second space between the sealing member and the stator does not communicate with an external space other than the first space.Type: GrantFiled: May 10, 2022Date of Patent: March 14, 2023Assignee: Daikin Industries, Ltd.Inventors: Shin Nakamasu, Hirokazu Fujii, Ryousuke Kishi, Yoshiki Kawai
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Publication number: 20220410592Abstract: A printer includes an ejecting head that ejects ink, a glued belt including a support surface, a first fan and a second fan configured to blow air toward the support surface, and a facing portion facing a portion of the first fan and a portion of the second fan. The facing portion includes an opening that opens in the Z direction. The opening is located between the first fan and the second fan in the X direction when viewed in the Z direction. When a spacing in the X direction at a first position in the +Y direction is defined as the first spacing and a spacing in the X direction at a second position upstream of the first position in the +Y direction is defined as the second spacing, the second spacing is larger than the first spacing.Type: ApplicationFiled: June 27, 2022Publication date: December 29, 2022Inventors: Keigo TAKISHIMA, Hirokazu FUJII
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Publication number: 20220271590Abstract: A motor assembly includes a motor and sealing member fixed to a frame. The motor includes a stator and a rotor. The stator includes a coil holding portion and a first portion with an annular shape and extending radially outward from the coil holding portion. The rotor includes a magnet and a magnet holding portion located in a first space. The first portion has a first surface in contact with the first space, and a second surface on a side opposite to the first surface. A through hole penetrates from the first surface to the second surface in the first portion. The sealing member is disposed on a side of the stator opposite to the rotor, and is fixed to the frame so a second space between the sealing member and the stator does not communicate with an external space other than the first space.Type: ApplicationFiled: May 10, 2022Publication date: August 25, 2022Inventors: Shin NAKAMASU, Hirokazu FUJII, Ryousuke KISHI, Yoshiki KAWAI
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Patent number: 11401949Abstract: A blower according to a present embodiment includes a blower unit that has a housing on which a slit is formed to extend vertically, and a support unit that has a support pillar inserted through the slit and pivotally coupled with the blower unit to be swingable vertically. And, by forming a distance between a lower end of the slit and the support pillar in a horizontally directed state in which an airflow direction of the blower unit is in line with a horizontal direction, it is configured to make the blower unit swingable such that the airflow direction of the blower unit is directed toward a lower side below the horizontal direction.Type: GrantFiled: October 3, 2019Date of Patent: August 2, 2022Assignee: IRIS OHYAMA INC.Inventors: Kazuhito Fukumasu, Hirokazu Fujii, Hideki Yamamoto, Kanako Tsutsumi
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Publication number: 20220153039Abstract: A work system includes a recording apparatus including a transport belt that is provided with an adhesive configured for attachment of a medium, and is configured to transport the medium, and a main body portion in which a recording portion configured to perform recording on the medium is accommodated, a cover that covers at least a part of an exposed part of the transport belt exposed from the main body portion, and a removing portion configured to remove gas in a space covered with the cover.Type: ApplicationFiled: November 10, 2021Publication date: May 19, 2022Inventors: Seijun HORIE, Kiyoto KOMURO, Hirokazu FUJII, Takumi OTSU
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Patent number: 11230105Abstract: A liquid ejecting apparatus includes: a liquid ejecting portion configured to eject a liquid from a plurality of nozzles that are arranged on a nozzle surface to form a nozzle row; a plate-shaped member having an upper end portion of which a dimension in a direction in which the nozzle row extends is equal to or larger than that of the nozzle row; a wiping member configured to wipe the nozzle surface; and a control portion performing a contact operation of bringing the liquid bulging from the nozzle into contact with the upper end portion, and performing a wiping operation of wiping the nozzle surface after the contact operation by relatively moving the wiping member and the liquid ejecting portion in a wiping direction along the nozzle surface.Type: GrantFiled: October 2, 2020Date of Patent: January 25, 2022Assignee: Seiko Epson CorporationInventors: Hirokazu Fujii, Kazuyoshi Mizuno
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Publication number: 20210348623Abstract: A blower according to a present embodiment includes a blower unit that has a housing on which a slit is formed to extend vertically, and a support unit that has a support pillar inserted through the slit and pivotally coupled with the blower unit to be swingable vertically. And, by forming a distance between a lower end of the slit and the support pillar in a horizontally directed state in which an airflow direction of the blower unit is in line with a horizontal direction, it is configured to make the blower unit swingable such that the airflow direction of the blower unit is directed toward a lower side below the horizontal direction.Type: ApplicationFiled: October 3, 2019Publication date: November 11, 2021Applicant: Iris Ohyama Inc.Inventors: Kazuhito FUKUMASU, Hirokazu FUJII, Hideki YAMAMOTO, Kanako TSUTSUMI
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Publication number: 20210101386Abstract: A liquid ejecting apparatus includes: a liquid ejecting portion configured to eject a liquid from a plurality of nozzles that are arranged on a nozzle surface to form a nozzle row; a plate-shaped member having an upper end portion of which a dimension in a direction in which the nozzle row extends is equal to or larger than that of the nozzle row; a wiping member configured to wipe the nozzle surface; and a control portion performing a contact operation of bringing the liquid bulging from the nozzle into contact with the upper end portion, and performing a wiping operation of wiping the nozzle surface after the contact operation by relatively moving the wiping member and the liquid ejecting portion in a wiping direction along the nozzle surface.Type: ApplicationFiled: October 2, 2020Publication date: April 8, 2021Inventors: Hirokazu FUJII, Kazuyoshi MIZUNO
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Patent number: 10320253Abstract: An armature coil includes a first portion, a second winding portion, a first winding end, a second winding end, and a crossover portion, and is continuously wound. The first winding portion is concentratedly wound in a counterclockwise winding direction with respect to a direction obtained in viewing a second end portion from a first end portion of a tooth, as it passes from the first winding end to the crossover portion. The second winding portion is concentratedly wound in a clockwise winding direction with respect to a direction obtained in viewing a second end portion from a first end portion of the tooth, as it passes from the crossover portion to the second winding end.Type: GrantFiled: June 29, 2015Date of Patent: June 11, 2019Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Shin Nakamasu, Hiroki Fujita, Hirokazu Fujii, Ryou Fukui, Kouji Inoue, Junichi Satou
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Patent number: 10284034Abstract: A U-phase winding includes four winding portions connected in series between a neutral point and a U-phase input end. A V-phase winding includes four winding portions connected in series between the neutral point and a V-phase input end. A W-phase winding includes four winding portions connected in series between the neutral point and a W-phase input end. These winding portions are arranged annularly around a predetermined location. Directions in which these winding portions are each wound from a first winding end to a second winding end are the same as viewed from the predetermined location.Type: GrantFiled: May 9, 2016Date of Patent: May 7, 2019Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Shin Nakamasu, Hirokazu Fujii, Junichi Satou, Tatsuya Ogawa
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Publication number: 20180233972Abstract: A U-phase winding includes four winding portions connected in series between a neutral point and a U-phase input end. A V-phase winding includes four winding portions connected in series between the neutral point and a V-phase input end. A W-phase winding includes four winding portions connected in series between the neutral point and a W-phase input end. These winding portions are arranged annularly around a predetermined location. Directions in which these winding portions are each wound from a first winding end to a second winding end are the same as viewed from the predetermined location.Type: ApplicationFiled: May 9, 2016Publication date: August 16, 2018Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Shin NAKAMASU, Hirokazu FUJII, Junichi SATOU, Tatsuya OGAWA
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Publication number: 20170155296Abstract: An armature coil includes a first portion, a second winding portion, a first winding end, a second winding end, and a crossover portion, and is continuously wound. The first winding portion is concentratedly wound in a counterclockwise winding direction with respect to a direction obtained in viewing a second end portion from a first end portion of a tooth, as it passes from the first winding end to the crossover portion. The second winding portion is concentratedly wound in a clockwise winding direction with respect to a direction obtained in viewing a second end portion from a first end portion of the tooth, as it passes from the crossover portion to the second winding end.Type: ApplicationFiled: June 29, 2015Publication date: June 1, 2017Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Shin NAKAMASU, Hiroki FUJITA, Hirokazu FUJII, Ryou FUKUI, Kouji INOUE, Junichi SATOU
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Patent number: 9217984Abstract: An image carrier unit includes: an image carrier; a cleaning roller collecting a residual toner remaining on a circumferential surface of the image carrier; a conveyance member receiving the residual toner and conveying the residual toner towards a one-end part side in a rotation-axis direction of the cleaning roller; and an operating mechanism making the cleaning roller perform thrust operation in the rotation-axis direction. The cleaning roller is obtained by spirally winding, around a roller circumferential surface a plurality of times, a base cloth of a long shape in which a plurality of brush bristles are implanted, and a plurality of wound areas formed on the roller circumferential surface by the winding have a downstream side of the roller circumferential surface in a side view from a direction orthogonal to a rotating shaft is directed towards the one-end part side in the rotation-axis direction.Type: GrantFiled: June 2, 2015Date of Patent: December 22, 2015Assignee: KYOCERA Document Solutions Inc.Inventor: Hirokazu Fujii
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Publication number: 20150346675Abstract: An image carrier unit includes: an image carrier; a cleaning roller collecting a residual toner remaining on a circumferential surface of the image carrier; a conveyance member receiving the residual toner and conveying the residual toner towards a one-end part side in a rotation-axis direction of the cleaning roller; and an operating mechanism making the cleaning roller perform thrust operation in the rotation-axis direction. The cleaning roller is obtained by spirally winding, around a roller circumferential surface a plurality of times, a base cloth of a long shape in which a plurality of brush bristles are implanted, and a plurality of wound areas formed on the roller circumferential surface by the winding have a downstream side of the roller circumferential surface in a side view from a direction orthogonal to a rotating shaft is directed towards the one-end part side in the rotation-axis direction.Type: ApplicationFiled: June 2, 2015Publication date: December 3, 2015Applicant: KYOCERA DOCUMENT SOLUTIONS INC.Inventor: Hirokazu Fujii
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Patent number: 9176465Abstract: An image forming apparatus according to an aspect of the present disclosure includes a drum unit, a developing unit, a pressing unit, and a projection portion. Drum unit includes photosensitive drum. Developing unit includes a developing roller that develops a toner image on the photosensitive drum. Each of drum unit and developing unit is configured to be extractable from an apparatus body. Pressing unit is configured to make developing unit movable between a pressing position at which developing roller is pressed against photosensitive drum and a pressing-releasing position at which developing roller is separated from photosensitive drum so as to release the pressing. Projection portion is provided integrally with developing unit and configured to be projected to an extraction path of drum unit when developing unit is located at pressing position and to retract from extraction path of drum unit when developing unit is located at the pressing-releasing position.Type: GrantFiled: April 2, 2014Date of Patent: November 3, 2015Assignee: KYOCERA Document Solutions Inc.Inventor: Hirokazu Fujii
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Patent number: 9176455Abstract: A cleaning apparatus includes a blade, a screw, a toner crushing member, and a casing. The toner crushing member is located in contact with the screw. The toner crushing member is provided in association with the screw and configured to crush toner accumulated between the screw and the blade, by being swung by the screw rotating. The casing houses the screw and the toner crushing member. The screw rotates in the direction reverse to the rotational direction of the photoreceptor drum. The toner crushing member is configured having a first part and a second part, with a base-end side of the first part being secured to the casing, and the second part being folded back along a distal-end side of the first part, such that a distal-end side of the second part swings between the blade and the screw, in association with the rotation of the screw.Type: GrantFiled: September 10, 2014Date of Patent: November 3, 2015Assignee: Kyocera Document Solutions Inc.Inventor: Hirokazu Fujii
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Patent number: 9132976Abstract: A paper separating device for separating a paper sheet includes a frame member, an image carrier, a securing plate, and two types of assemblies. The two types of assemblies include: a first assembly that includes a separation claw configured to separate the paper sheet from the image carrier, a guiding member configured to guide the paper sheet, and a holder with an engaging portion; and a second assembly that engages the guiding member alone to the holder with the engaging portion without holding the separation claw. The frame member and the securing plate each include an assembly securing portion with an engaged portion to be engaged with the engaging portion of the holder. One of the two types of assemblies is secured to the assembly securing portion disposed at the securing plate while another is secured to the assembly securing portion disposed at the frame member.Type: GrantFiled: September 12, 2014Date of Patent: September 15, 2015Assignee: Kyocera Document Solutions Inc.Inventor: Hirokazu Fujii