Patents by Inventor Takayuki Yazawa
Takayuki Yazawa 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: 11845289Abstract: A recording apparatus includes a carriage having a recording head and an ink tank that stores ink to be supplied to the recording head, which are mounted on the carriage, wherein the ink tank has an inlet port provided in an upper part of the ink tank, and a prism provided in a lower part of the ink tank, the recording apparatus includes a sensor located under the carriage and having a light-emitting portion that emits light toward the prism and a light-receiving portion that receives light reflected by the prism, and, when the carriage is located at an ink replenishment position where the ink in the ink tank is replenished via the inlet port, the sensor is disposed at a position hidden by the carriage in plan view of the carriage as viewed from above the carriage.Type: GrantFiled: September 22, 2021Date of Patent: December 19, 2023Assignee: Seiko Epson CorporationInventors: Katsunari Kumagai, Takayuki Yazawa, Norihide Hashimoto, Katsumi Yamada
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Publication number: 20220032642Abstract: A recording apparatus includes a carriage having a recording head and an ink tank that stores ink to be supplied to the recording head, which are mounted on the carriage, wherein the ink tank has an inlet port provided in an upper part of the ink tank, and a prism provided in a lower part of the ink tank, the recording apparatus includes a sensor located under the carriage and having a light-emitting portion that emits light toward the prism and a light-receiving portion that receives light reflected by the prism, and, when the carriage is located at an ink replenishment position where the ink in the ink tank is replenished via the inlet port, the sensor is disposed at a position hidden by the carriage in plan view of the carriage as viewed from above the carriage.Type: ApplicationFiled: September 22, 2021Publication date: February 3, 2022Inventors: Katsunari KUMAGAI, Takayuki YAZAWA, Norihide HASHIMOTO, Katsumi YAMADA
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Patent number: 11161349Abstract: A recording apparatus includes a carriage having a recording head and an ink tank that stores ink to be supplied to the recording head, which are mounted on the carriage, wherein the ink tank has an inlet port provided in an upper part of the ink tank, and a prism provided in a lower part of the ink tank, the recording apparatus includes a sensor located under the carriage and having a light-emitting portion that emits light toward the prism and a light-receiving portion that receives light reflected by the prism, and, when the carriage is located at an ink replenishment position where the ink in the ink tank is replenished via the inlet port, the sensor is disposed at a position hidden by the carriage in plan view of the carriage as viewed from above the carriage.Type: GrantFiled: May 13, 2020Date of Patent: November 2, 2021Assignee: Seiko Epson CorporationInventors: Katsunari Kumagai, Takayuki Yazawa, Norihide Hashimoto, Katsumi Yamada
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Publication number: 20200361220Abstract: A recording apparatus includes a carriage having a recording head and an ink tank that stores ink to be supplied to the recording head, which are mounted on the carriage, wherein the ink tank has an inlet port provided in an upper part of the ink tank, and a prism provided in a lower part of the ink tank, the recording apparatus includes a sensor located under the carriage and having a light-emitting portion that emits light toward the prism and a light-receiving portion that receives light reflected by the prism, and, when the carriage is located at an ink replenishment position where the ink in the ink tank is replenished via the inlet port, the sensor is disposed at a position hidden by the carriage in plan view of the carriage as viewed from above the carriage.Type: ApplicationFiled: May 13, 2020Publication date: November 19, 2020Inventors: Katsunari KUMAGAI, Takayuki YAZAWA, Norihide HASHIMOTO, Katsumi YAMADA
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Publication number: 20200070534Abstract: A liquid container is used in a liquid consumption device including a mounting unit to which a liquid container provided with a prism at a predetermined site, and a liquid container not provided with a prism at the predetermined site are replaceably mounted; a light emitting unit that emits light to the predetermined site of the liquid container; and a light receiving unit that receives light reflected from the predetermined site. The liquid container is not provided with the prism, and is provided with a reflection reduction unit that reduces reflection of light to the light receiving unit, at the predetermined site.Type: ApplicationFiled: August 28, 2019Publication date: March 5, 2020Applicant: SEIKO EPSON CORPORATIONInventors: Taku ISHIZAWA, Noriyuki FUKASAWA, Shuichi KOGANEHIRA, Takayuki YAZAWA
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Patent number: 10350750Abstract: An industrial robot may include multiple motors structured to rotate multiple arm units; multiple motor drivers to drive multiple motors; a power source to supply power to the multiple motor drivers; a charge-discharge unit connected to the multiple motor drivers; a control execution unit to control the multiple motor drivers; an elevation motor to elevate the arm, an elevation motor driver to drive the elevation motor; a first brake to stop the elevation motor; and a second brake to stop the elevation motor. When the industrial robot makes an emergency stop, the supplied power is turned off and control execution unit stops the multiple motors while controlling the multiple motor drivers by using the power supplied from the charge-discharge unit. The control execution unit controls at the time of said emergency stop, operates the first brake and then operates the second brake to stop the elevation motor.Type: GrantFiled: June 17, 2016Date of Patent: July 16, 2019Assignee: NIDEC SANKYO CORPORATIONInventors: Takayuki Yazawa, Yoshihisa Masuzawa, Tomoki Tanabe, Hirokazu Watanabe
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Patent number: 10265845Abstract: The present invention is to provide an industrial robot, which is placed in vacuum for use, capable of efficiently cooling down hand- or arm-driving motors which are arranged inside the arm in air. The industrial robot is provided with a motor for rotating a second arm unit with respect to a first arm unit, a motor for rotating a hand with respect to the second arm unit, a reduction gear for reducing the rotation of the motor and transmitting it to the second arm unit, and a reduction gear for reducing the rotation of the motor and transmitting it to the hand; the hand and the arm are placed in vacuum. The reduction gears and are coaxially arranged so that the center of rotation of the second arm unit with respect to the first arm unit coincides with the axial centers of the reduction gears. The interior space of the hollow first arm unit is kept at atmospheric pressure in which the motors and the reduction gears are arranged.Type: GrantFiled: June 17, 2016Date of Patent: April 23, 2019Assignee: NIDEC SANKYO CORPORATIONInventors: Takayuki Yazawa, Yoshihisa Masuzawa, Tomoki Tanabe, Hirokazu Watanabe
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Patent number: 10226863Abstract: The present invention is to provide an industrial robot, which is placed in vacuum for use, capable of efficiently cooling down hand- or arm-driving motors which are arranged inside the arm in air. The industrial robot is provided with a motor for rotating a second arm unit with respect to a first arm unit, a motor for rotating a hand with respect to the second arm unit, a reduction gear for reducing the rotation of the motor and transmitting it to the second arm unit, and a reduction gear for reducing the rotation of the motor and transmitting it to the hand; the hand and the arm are placed in vacuum. The reduction gears and are coaxially arranged so that the center of rotation of the second arm unit with respect to the first arm unit coincides with the axial centers of the reduction gears. The interior space of the hollow first arm unit is kept at atmospheric pressure in which the motors and the reduction gears are arranged.Type: GrantFiled: June 17, 2016Date of Patent: March 12, 2019Assignee: NIDEC SANKYO CORPORATIONInventors: Takayuki Yazawa, Yoshihisa Masuzawa, Tomoki Tanabe, Hirokazu Watanabe
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Patent number: 10046928Abstract: A transport apparatus includes an accommodating unit that accommodates a recording medium and that is mounted to be capable of reciprocating with respect to a body portion, a loading plate that is provided in the accommodating unit to be movable up and down and that is loaded with the recording medium, a lifting unit that moves up the loading plate to a position where the recording medium is able to be fed by winding wires connected to opposite end portions of the loading plate to suspend the loading plate, and moves down the loading plate by feeding the wires, and a receiving member that is provided on a bottom surface of the accommodating unit and that receives abutments provided on the loading plate when the loading plate moves down.Type: GrantFiled: March 24, 2017Date of Patent: August 14, 2018Assignee: FUJI XEROX CO., LTD.Inventors: Takayuki Yazawa, Takashi Abe, Shouichi Maeda, Junichi Asaoka, Shinji Yaginuma
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Publication number: 20180024488Abstract: A transport apparatus includes an accommodating unit that accommodates a recording medium and that is mounted to be capable of reciprocating with respect to a body portion, a loading plate that is provided in the accommodating unit to be movable up and down and that is loaded with the recording medium, a lifting unit that moves up the loading plate to a position where the recording medium is able to be fed by winding wires connected to opposite end portions of the loading plate to suspend the loading plate, and moves down the loading plate by feeding the wires, and a receiving member that is provided on a bottom surface of the accommodating unit and that receives abutments provided on the loading plate when the loading plate moves down.Type: ApplicationFiled: March 24, 2017Publication date: January 25, 2018Applicant: FUJI XEROX CO., LTD.Inventors: Takayuki YAZAWA, Takashi ABE, Shouichi MAEDA, Junichi ASAOKA, Shinji YAGINUMA
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Patent number: 9836003Abstract: A transport device includes a body unit, an accommodating unit that accommodates a recording medium and is mounted to be reciprocal with respect to the body unit, a pair of guide members that come in contact with end portions, in a width direction, of the recording medium to position the recording medium, the width direction intersecting with a transport direction of the recording medium, a first rail that is attached to the accommodating unit and guides reciprocation of the accommodating unit, and a second rail that is attached to the body unit to be movable in a direction, which intersects with a reciprocation direction of the accommodating unit, the second rail being assembled to the body unit to be slidable with respect to the first rail.Type: GrantFiled: July 12, 2016Date of Patent: December 5, 2017Assignee: FUJI XEROX CO., LTD.Inventors: Shouichi Maeda, Takashi Abe, Takayuki Yazawa, Shinji Yaginuma, Junichi Asaoka
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Publication number: 20170277103Abstract: A transport device includes a body unit, an accommodating unit that accommodates a recording medium and is mounted to be reciprocal with respect to the body unit, a pair of guide members that come in contact with end portions, in a width direction, of the recording medium to position the recording medium, the width direction intersecting with a transport direction of the recording medium, a first rail that is attached to the accommodating unit and guides reciprocation of the accommodating unit, and a second rail that is attached to the body unit to be movable in a direction, which intersects with a reciprocation direction of the accommodating unit, the second rail being assembled to the body unit to be slidable with respect to the first rail.Type: ApplicationFiled: July 12, 2016Publication date: September 28, 2017Applicant: FUJI XEROX CO., LTD.Inventors: Shouichi MAEDA, Takashi ABE, Takayuki YAZAWA, Shinji YAGINUMA, Junichi ASAOKA
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Publication number: 20170275107Abstract: A transport device including: a body unit including a first cover member attached thereto to cover one side portion of an opening formed at one surface of the body unit, an accommodating unit including a second cover member attached thereto to cover the opening, the accommodating unit configured to accommodate a recording medium, the accommodating unit being reciprocally mounted with respect to the opening of the body unit, and a guide member provided on a bottom surface of the accommodating unit, the guide member configured to guide the accommodating unit so that when the accommodating unit is mounted in the body unit, while being fitted to a positioning pin provided in the body unit, the guide member is positioned so that the second cover member has a gap with the first cover member at a position where the accommodating unit is mounted in the body unit.Type: ApplicationFiled: August 2, 2016Publication date: September 28, 2017Applicant: FUJI XEROX CO., LTD.Inventors: Shouichi MAEDA, Takashi ABE, Takayuki YAZAWA, Shinji YAGINUMA, Junichi ASAOKA
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Patent number: 9764461Abstract: The present invention is to provide an industrial robot, which is placed in vacuum for use, capable of efficiently cooling down hand- or arm-driving motors which are arranged inside the arm in air. The industrial robot is provided with a motor for rotating a second arm unit with respect to a first arm unit, a motor for rotating a hand with respect to the second arm unit, a reduction gear for reducing the rotation of the motor and transmitting it to the second arm unit, and a reduction gear for reducing the rotation of the motor and transmitting it to the hand; the hand and the arm are placed in vacuum. The reduction gears and are coaxially arranged so that the center of rotation of the second arm unit with respect to the first arm unit coincides with the axial centers of the reduction gears. The interior space of the hollow first arm unit is kept at atmospheric pressure in which the motors and the reduction gears are arranged.Type: GrantFiled: July 25, 2013Date of Patent: September 19, 2017Assignee: NIDEC SANKYO CORPORATIONInventors: Takayuki Yazawa, Yoshihisa Masuzawa, Tomoki Tanabe, Hirokazu Watanabe
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Patent number: 9636821Abstract: An industrial robot may include a main body part; a plurality of levers having base end sides turnably connected with the main body part; a plurality of arm parts having respective base end sides turnably connected with respective tip end sides of the plurality of the levers; a movable part which is turnably connected with the respective tip end sides of the plurality of the arm parts; and a plurality of turning drive mechanisms for respectively turning the plurality of the levers. The plurality of the levers may radially extend to an outer peripheral side of the main body part at a substantially equal pitch. The arm part may provided with two arms which are mutually parallel to each other and are formed in a straight shape.Type: GrantFiled: December 13, 2012Date of Patent: May 2, 2017Assignee: NIDEC SANKYO CORPORATIONInventors: Takayuki Yazawa, Yutaka Yoshizawa, Masashi Fujiwara
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Publication number: 20160368138Abstract: The present invention is to provide an industrial robot, which is placed in vacuum for use, capable of efficiently cooling down hand- or arm-driving motors which are arranged inside the arm in air. The industrial robot is provided with a motor for rotating a second arm unit with respect to a first arm unit, a motor for rotating a hand with respect to the second arm unit, a reduction gear for reducing the rotation of the motor and transmitting it to the second arm unit, and a reduction gear for reducing the rotation of the motor and transmitting it to the hand; the hand and the arm are placed in vacuum. The reduction gears and are coaxially arranged so that the center of rotation of the second arm unit with respect to the first arm unit coincides with the axial centers of the reduction gears. The interior space of the hollow first arm unit is kept at atmospheric pressure in which the motors and the reduction gears are arranged.Type: ApplicationFiled: June 17, 2016Publication date: December 22, 2016Inventors: Takayuki YAZAWA, Yoshihisa MASUZAWA, Tomoki TANABE, Hirokazu WATANABE
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Publication number: 20160368140Abstract: The present invention is to provide an industrial robot, which is placed in vacuum for use, capable of efficiently cooling down hand- or arm-driving motors which are arranged inside the arm in air. The industrial robot is provided with a motor for rotating a second arm unit with respect to a first arm unit, a motor for rotating a hand with respect to the second arm unit, a reduction gear for reducing the rotation of the motor and transmitting it to the second arm unit, and a reduction gear for reducing the rotation of the motor and transmitting it to the hand; the hand and the arm are placed in vacuum. The reduction gears and are coaxially arranged so that the center of rotation of the second arm unit with respect to the first arm unit coincides with the axial centers of the reduction gears. The interior space of the hollow first arm unit is kept at atmospheric pressure in which the motors and the reduction gears are arranged.Type: ApplicationFiled: June 17, 2016Publication date: December 22, 2016Inventors: Takayuki YAZAWA, Yoshihisa MASUZAWA, Tomoki TANABE, Hirokazu WATANABE
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Publication number: 20160368137Abstract: The present invention is to provide an industrial robot, which is placed in vacuum for use, capable of efficiently cooling down hand- or arm-driving motors which are arranged inside the arm in air. The industrial robot is provided with a motor for rotating a second arm unit with respect to a first arm unit, a motor for rotating a hand with respect to the second arm unit, a reduction gear for reducing the rotation of the motor and transmitting it to the second arm unit, and a reduction gear for reducing the rotation of the motor and transmitting it to the hand; the hand and the arm are placed in vacuum. The reduction gears and are coaxially arranged so that the center of rotation of the second arm unit with respect to the first arm unit coincides with the axial centers of the reduction gears. The interior space of the hollow first arm unit is kept at atmospheric pressure in which the motors and the reduction gears are arranged.Type: ApplicationFiled: June 17, 2016Publication date: December 22, 2016Inventors: Takayuki YAZAWA, Yoshihisa MASUZAWA, Tomoki TANABE, Hirokazu WATANABE
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Patent number: 9417112Abstract: A liquid consumption device of the present invention has a holder in which an opening section is provided in a position to face a prism of an ink cartridge, a light emitting section, and a light receiving section. The holder has a region that changes a light amount of the reflected light emitted from the light emitting section and received by the light receiving section in a position spaced apart from the opening section at a predetermined distance in a main scanning direction.Type: GrantFiled: January 29, 2013Date of Patent: August 16, 2016Assignee: Seiko Epson CorporationInventors: Junpei Yoshida, Yuichi Nishihara, Takayuki Yazawa, Hidetoshi Yokoyama
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Patent number: 9399285Abstract: An industrial robot that can control the abrasion and damage of a bearing unit, and also control the deformation of an arm, even in the case of transferring a high-temperature transfer object in a vacuum. The industrial robot includes a bearing unit for supporting an arm at a joint section as a connection section between the arm and the main body. At the joint section, the arm has a first protrusion section protruding toward the main body, and meanwhile the main body has a first housing section in which a first hollow section for housing the first protrusion section is formed. The first protrusion section and the first housing section are formed of a material having higher thermal conductivity than the bearing unit has, and a semisolid thermally-conductive substance, having higher thermal conductivity than the bearing unit has, is placed in the first hollow section.Type: GrantFiled: November 1, 2012Date of Patent: July 26, 2016Assignee: NIDEC SANKYO CORPORATIONInventors: Takayuki Yazawa, Masago Shiba, Hiroto Nakajima, Masashi Fujiwara