Patents by Inventor Tomoya Kawai
Tomoya Kawai 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: 12083801Abstract: An ink supplying device includes: an attachment unit to which a cartridge for storing ink to be supplied to an inkjet head of a printing apparatus is attached and in which an internal flow path is formed for the ink stored in the cartridge to flow; an external tube that is connected to the internal flow path of the attachment unit and circulates the ink; and a base portion that supports the attachment unit and a part of the external tube. The attachment unit is supported by the base portion so as to be rotatable in a direction around a predetermined central axis. The external tube is disposed in a curved state from a connecting portion connected to the internal flow path to a supported portion supported by the base portion and is provided such that the curved state changes in accordance with the rotation of the attachment unit.Type: GrantFiled: December 5, 2022Date of Patent: September 10, 2024Assignee: MIMAKI ENGINEERING CO., LTD.Inventor: Tomoya Kawai
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Publication number: 20240171201Abstract: An antenna unit is included in a transmitter configured to transmit data. The antenna unit includes a loop antenna and a helical parasitic element. The loop antenna is disposed within a housing of the transmitter and is supplied with power. The helical parasitic element is disposed outside the housing. The helical parasitic element is electromagnetically coupled to the loop antenna and includes two open ends.Type: ApplicationFiled: September 6, 2021Publication date: May 23, 2024Applicant: Pacific Industrial Co., Ltd.Inventor: Tomoya Kawai
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Patent number: 11871574Abstract: A semiconductor memory device according to an embodiment includes: a first interlayer insulating layer and a second interlayer insulating layer that are arranged in a first direction; a gate electrode layer provided between the first interlayer insulating layer and the second interlayer insulating layer; a semiconductor layer extending in the first direction and facing the gate electrode layer in a second direction intersecting the first direction; a first insulating layer provided between the gate electrode layer and the semiconductor layer; a charge storage layer provided between the gate electrode layer and the first insulating layer and containing a metal element; a second insulating layer provided between the gate electrode layer and the charge storage layer; and a first region provided between the charge storage layer and the first insulating layer and containing manganese (Mn), silicon (Si), and oxygen (O).Type: GrantFiled: September 10, 2021Date of Patent: January 9, 2024Assignee: Kioxia CorporationInventors: Atsushi Murakoshi, Tomoya Kawai
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Publication number: 20230173813Abstract: An ink supplying device includes: an attachment unit to which a cartridge for storing ink to be supplied to an inkjet head of a printing apparatus is attached and in which an internal flow path is formed for the ink stored in the cartridge to flow; an external tube that is connected to the internal flow path of the attachment unit and circulates the ink; and a base portion that supports the attachment unit and a part of the external tube. The attachment unit is supported by the base portion so as to be rotatable in a direction around a predetermined central axis. The external tube is disposed in a curved state from a connecting portion connected to the internal flow path to a supported portion supported by the base portion and is provided such that the curved state changes in accordance with the rotation of the attachment unit.Type: ApplicationFiled: December 5, 2022Publication date: June 8, 2023Applicant: MIMAKI ENGINEERING CO., LTD.Inventor: Tomoya Kawai
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Publication number: 20220355598Abstract: A tube pump that sends a fluid includes a tube, a roller, and a roller holder. In the roller holder, a guide groove is formed that receives a shaft of the roller and defines a range in which the roller is movable with respect to the roller holder. The roller holder has an inner side surface and an outer side surface as surfaces defining the guide groove in the roller holder. The inner side surface has a protrusion protruding toward the outer side surface.Type: ApplicationFiled: March 7, 2022Publication date: November 10, 2022Applicant: MIMAKI ENGINEERING CO., LTD.Inventors: TOMOYA KAWAI, Toshihiro Kimura
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Publication number: 20220302140Abstract: A semiconductor memory device according to an embodiment includes: a first interlayer insulating layer and a second interlayer insulating layer that are arranged in a first direction; a gate electrode layer provided between the first interlayer insulating layer and the second interlayer insulating layer; a semiconductor layer extending in the first direction and facing the gate electrode layer in a second direction intersecting the first direction; a first insulating layer provided between the gate electrode layer and the semiconductor layer; a charge storage layer provided between the gate electrode layer and the first insulating layer and containing a metal element; a second insulating layer provided between the gate electrode layer and the charge storage layer; and a first region provided between the charge storage layer and the first insulating layer and containing manganese (Mn), silicon (Si), and oxygen (O).Type: ApplicationFiled: September 10, 2021Publication date: September 22, 2022Applicant: Kioxia CorporationInventors: Atsushi MURAKOSHI, Tomoya KAWAI
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Patent number: 10947950Abstract: A hydroelectric power generation apparatus includes a hydroelectric power generation module, a beam as a supporting part, and a fixing part. The hydroelectric power generation module includes a rotary blade and a power generator that generates power by rotation of the rotary blade. The supporting part supports the hydroelectric power generation module. The fixing part fixes the supporting part to a water channel. The fixing part includes a bolt to press a surface of a wall portion of the water channel to fix the supporting part to the water channel. The hydroelectric power generation apparatus can dispense with a work performed around the water channel to install the apparatus and also be relocated easily and inexpensively.Type: GrantFiled: January 23, 2017Date of Patent: March 16, 2021Inventors: Tomoya Kawai, Yoshio Fujikawa
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Patent number: 10882254Abstract: A printing device is provided and includes: a table attaching portion, replaceably attaching a respective table of a first table for mounting a three-dimensional object and a second table including a mounting surface for mounting a medium and a plurality of pass-through holes passing through the mounting surface and a back surface on an opposite side of the mounting surface; an ejecting unit, ejecting a shaping material for shaping the three-dimensional object and a coloring material for coloring the three-dimensional object and the medium toward the table attached to the table attaching portion; a relative moving portion, relatively moving the table attaching portion and the ejecting unit in a vertical direction and a horizontal direction; and a suction portion, decompressing a side of the back surface of the second table when the second table is attached to the table attaching portion to adsorb the medium to the mounting surface.Type: GrantFiled: April 16, 2018Date of Patent: January 5, 2021Assignee: MIMAKI ENGINEERING CO., LTD.Inventors: Takuya Matsushima, Tomoya Kawai
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Publication number: 20200277928Abstract: A hydroelectric power generation apparatus includes a hydroelectric power generation module, a beam as a supporting part, and a fixing part. The hydroelectric power generation module includes a rotary blade and a power generator that generates power by rotation of the rotary blade. The supporting part supports the hydroelectric power generation module. The fixing part fixes the supporting part to a water channel. The fixing part includes a bolt to press a surface of a wall portion of the water channel to fix the supporting part to the water channel. The hydroelectric power generation apparatus can dispense with a work performed around the water channel to install the apparatus and also be relocated easily and inexpensively.Type: ApplicationFiled: January 23, 2017Publication date: September 3, 2020Inventors: Tomoya KAWAI, Yoshi FUJIKAWA
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Patent number: 10710381Abstract: An inkjet printer is provided. An inkjet printer includes; a heater for heating up a medium after a printing operation, a second heater for further heating up the medium after the medium is heated up by the heater, a frame to which the second heater is fixed, and a wound roll holder for holding a wound roll that is the medium, being wound like a roll after the printing operation. The wound roll is placed at a position lower than the heater. The second heater is movable in relation to the frame, between a first position, where the second heater is placed at a location of a lower side of the heater and a front side of the wound roll, and a second position, where the second heater is placed at a location of an upper side of the wound roll.Type: GrantFiled: May 6, 2019Date of Patent: July 14, 2020Assignee: MIMAKI ENGINEERING CO., LTD.Inventors: Tomoya Kawai, Katsutoshi Yamabe
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Patent number: 10677214Abstract: A hydroelectric power generation apparatus includes a braking force generation unit configured to apply a braking force to rotation of a hydraulic turbine, and a controller configured to control the braking force generation unit to repeat increasing and decreasing the braking force to vary a rotational speed of the hydraulic turbine. Varying the rotational speed of the hydraulic turbine helps to flow away debris and the like adhering to hydraulic turbine blades. Preferably, the braking force generation unit includes an electrical, mechanical or fluid type braking device configured to apply a braking force to a rotary shaft of the hydraulic turbine. Preferably, the braking force generation unit includes a power generator configured to generate power through rotation of the hydraulic turbine, and the controller increases/decreases the braking force by varying power extracted from the power generator.Type: GrantFiled: October 3, 2016Date of Patent: June 9, 2020Assignee: NTN CORPORATIONInventors: Yasuyuki Fujita, Tomoya Kawai
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Patent number: 10658295Abstract: According to one embodiment, a semiconductor memory device includes a first interconnect layer, a first insulating layer, a second interconnect layer, and a memory pillar including a second insulating layer, a charge storage layer, and a third insulating layer stacked on a part of a side surface and on the bottom surface of the memory pillar, and a first silicide layer in contact with the first interconnect layer, a semiconductor layer, and a second silicide layer stacked in order along a first direction. A height position of a bottom surface of the first silicide layer is lower than a top surface of the first interconnect layer, and a height position of a top surface of the first silicide layer is higher than a bottom surface of the second interconnect layer.Type: GrantFiled: September 10, 2018Date of Patent: May 19, 2020Assignee: Toshiba Memory CorporationInventors: Tomoya Kawai, Takashi Ishida, Shuichi Toriyama
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Patent number: 10648449Abstract: A hydroelectric power generation apparatus includes a hydroelectric power generation module, a supporting part, and a bar. The hydroelectric power generation module includes a rotary blade and a power generator that generates power by rotation of the rotary blade. The supporting part supports the hydroelectric power generation module. The supporting part can be installed at a water channel. The bar is connected to the supporting part to protrude from the supporting part. With one end of the bar closer to the supporting part or a portion of the supporting part serving as a center, the other end of the bar opposite to one end of the bar can be pivoted to switch a first state to a second state and vice versa.Type: GrantFiled: February 1, 2017Date of Patent: May 12, 2020Assignee: NTN CORPORATIONInventors: Tomoya Kawai, Yoshio Fujikawa
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Publication number: 20190344586Abstract: An inkjet printer is provided. An inkjet printer includes; a heater for heating up a medium after a printing operation, a second heater for further heating up the medium after the medium is heated up by the heater, a frame to which the second heater is fixed, and a wound roll holder for holding a wound roll that is the medium, being wound like a roll after the printing operation. The wound roll is placed at a position lower than the heater. The second heater is movable in relation to the frame, between a first position, where the second heater is placed at a location of a lower side of the heater and a front side of the wound roll, and a second position, where the second heater is placed at a location of an upper side of the wound roll.Type: ApplicationFiled: May 6, 2019Publication date: November 14, 2019Applicant: MIMAKI ENGINEERING CO., LTD.Inventors: TOMOYA KAWAI, Katsutoshi Yamabe
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Publication number: 20190295956Abstract: According to one embodiment, a semiconductor memory device includes a first interconnect layer, a first insulating layer, a second interconnect layer, and a memory pillar including a second insulating layer, a charge storage layer, and a third insulating layer stacked on a part of a side surface and on the bottom surface of the memory pillar, and a first silicide layer in contact with the first interconnect layer, a semiconductor layer, and a second silicide layer stacked in order along a first direction. A height position of a bottom surface of the first silicide layer is lower than a top surface of the first interconnect layer, and a height position of a top surface of the first silicide layer is higher than a bottom surface of the second interconnect layer.Type: ApplicationFiled: September 10, 2018Publication date: September 26, 2019Applicant: Toshiba Memory CorporationInventors: Tomoya Kawai, Takashi Ishida, Shuichi Toriyama
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Publication number: 20190162162Abstract: A control device performs a control process including the steps of: determining whether a predetermined condition has been established; when it has been determined that the predetermined condition has been established, clearing a counter; performing reverse rotation control; performing forward rotation control; incrementing the counter; and determining whether the counter's counted value has reached an upper limit.Type: ApplicationFiled: July 10, 2017Publication date: May 30, 2019Inventors: Yasuyuki FUJITA, Tomoya KAWAI
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Publication number: 20190072065Abstract: A hydroelectric power generation apparatus includes a hydroelectric power generation module, a supporting part, and a bar. The hydroelectric power generation module includes a rotary blade and a power generator that generates power by rotation of the rotary blade. The supporting part supports the hydroelectric power generation module. The supporting part can be installed at a water channel. The bar is connected to the supporting part to protrude from the supporting part. With one end of the bar closer to the supporting part or a portion of the supporting part serving as a center, the other end of the bar opposite to one end of the bar can be pivoted to switch a first state to a second state and vice versa.Type: ApplicationFiled: February 1, 2017Publication date: March 7, 2019Inventors: Tomoya KAWAI, Yoshio FUJIKAWA
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Publication number: 20180304535Abstract: A printing device is provided and includes: a table attaching portion, replaceably attaching a respective table of a first table for mounting a three-dimensional object and a second table including a mounting surface for mounting a medium and a plurality of pass-through holes passing through the mounting surface and a back surface on an opposite side of the mounting surface; an ejecting unit, ejecting a shaping material for shaping the three-dimensional object and a coloring material for coloring the three-dimensional object and the medium toward the table attached to the table attaching portion; a relative moving portion, relatively moving the table attaching portion and the ejecting unit in a vertical direction and a horizontal direction; and a suction portion, decompressing a side of the back surface of the second table when the second table is attached to the table attaching portion to adsorb the medium to the mounting surface.Type: ApplicationFiled: April 16, 2018Publication date: October 25, 2018Applicant: MIMAKI ENGINEERING CO., LTD.Inventors: Takuya Matsushima, Tomoya Kawai
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Publication number: 20180223792Abstract: A hydroelectric power generation apparatus includes a braking force generation unit configured to apply a braking force to rotation of a hydraulic turbine, and a controller configured to control the braking force generation unit to repeat increasing and decreasing the braking force to vary a rotational speed of the hydraulic turbine. Varying the rotational speed of the hydraulic turbine helps to flow away debris and the like adhering to hydraulic turbine blades. Preferably, the braking force generation unit includes an electrical, mechanical or fluid type braking device configured to apply a braking force to a rotary shaft of the hydraulic turbine. Preferably, the braking force generation unit includes a power generator configured to generate power through rotation of the hydraulic turbine, and the controller increases/decreases the braking force by varying power extracted from the power generator.Type: ApplicationFiled: October 3, 2016Publication date: August 9, 2018Inventors: Yasuyuki FUJITA, Tomoya KAWAI
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Publication number: 20180215079Abstract: A three-dimensional object shaping device is a device configured to shape a three-dimensional object using a layer shaping method, the device including: an ejection head configured to eject a shaping material; a flattening roller configured to rotate and move over the shaping material ejected on a layered surface to remove an extra shaping material; and a blade configured to make contact with the flattening roller along a circumferential surface of the flattening roller to scrape off the shaping material adhered to the circumferential surface by rotation of the flattening roller, where chrome plating is coated on the surface of the flattening roller, and the blade is made of carbon tool steel.Type: ApplicationFiled: January 15, 2018Publication date: August 2, 2018Inventors: Kunio HAKKAKU, Tomoya KAWAI