Patents by Inventor Hirokazu Nitta
Hirokazu Nitta 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: 11458640Abstract: A gripping device includes: a palm portion; a plurality of finger portions protruding from a periphery of the palm portion and configured to fall toward the palm portion by deforming the palm portion in a thickness direction; a connecting portion formed in a position surrounding an outer edge of the palm portion on a side opposite to a side formed with the finger portions, the connecting portion connected to a case; a high-strength portion provided between the palm portion and the connecting portion, the high-strength portion having a predetermined length from the outer edge of the palm portion in the thickness direction of the palm portion, and the high-strength portion being less likely to be deformed than the palm portion; the case connected to the connecting portion, the case coming into contact with a base end of the high-strength portion; and an actuator configured to deform the palm portion.Type: GrantFiled: February 14, 2019Date of Patent: October 4, 2022Assignee: NITTA CORPORATIONInventors: Itaru Hatano, Hirokazu Nitta
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Patent number: 11298833Abstract: There is provided a gripper, a gripping device, and an industrial robot that can more reliably grip a workpiece without using a granular material. The gripper includes integrally: a palm portion; a plurality of finger portions protruding from a periphery of the palm portion and configured to fall toward the palm portion by deforming the palm portion in a thickness direction; a connecting portion formed in a position surrounding an outer edge of the palm portion on a side opposite to a side formed with the finger portions, the connecting portion connected to a case; and a high-strength portion provided between the palm portion and the connecting portion, the high-strength portion having a predetermined length from the outer edge of the palm portion in the thickness direction of the palm portion, and the high-strength portion being less likely to be deformed than the palm portion.Type: GrantFiled: November 8, 2018Date of Patent: April 12, 2022Assignee: NITTA CORPORATIONInventors: Itaru Hatano, Shunsuke Iwata, Hirokazu Nitta
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Patent number: 11207787Abstract: A gripping device includes a bag-shaped gripping body, a plurality of elastic portions, and a shape holding portion. The gripping body includes a palm portion, and a plurality of finger portions protruding from a periphery of the palm portion and configured to fall toward the palm portion by deforming the palm portion in a thickness direction. The plurality of elastic portions is respectively provided in the plurality of finger portions, each of the plurality of elastic portions having a shape of each of the plurality of finger portions. The shape holding portion is provided in the gripping body to prevent contraction of an outer periphery of the palm portion. The shape holding portion includes a guide bore for receiving the palm portion when being deformed, and a curved portion provided on an outer side of a distal end of the shape holding portion in an axial direction of the guide bore. The distal end faces the plurality of finger portions.Type: GrantFiled: September 28, 2018Date of Patent: December 28, 2021Assignee: NITTA CORPORATIONInventors: Itaru Hatano, Hirokazu Nitta
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Publication number: 20200406478Abstract: A gripping device includes: a palm portion; a plurality of finger portions protruding from a periphery of the palm portion and configured to fall toward the palm portion by deforming the palm portion in a thickness direction; a connecting portion formed in a position surrounding an outer edge of the palm portion on a side opposite to a side formed with the finger portions, the connecting portion connected to a case; a high-strength portion provided between the palm portion and the connecting portion, the high-strength portion having a predetermined length from the outer edge of the palm portion in the thickness direction of the palm portion, and the high-strength portion being less likely to be deformed than the palm portion; the case connected to the connecting portion, the case coming into contact with a base end of the high-strength portion; and an actuator configured to deform the palm portion.Type: ApplicationFiled: February 14, 2019Publication date: December 31, 2020Inventors: Itaru HATANO, Hirokazu NITTA
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Patent number: 10875196Abstract: A gripping device includes a bag-shaped gripping body, a plurality of elastic portions, and a shape holding portion. The gripping body includes a palm portion, and a plurality of finger portions protruding from a periphery of the palm portion and configured to fall toward the palm portion by deforming the palm portion in a thickness direction. The plurality of elastic portions is respectively provided in the plurality of finger portions, each of the plurality of elastic portions having a shape of each of the plurality of finger portions. The shape holding portion is provided in the gripping body to prevent contraction of an outer periphery of the palm portion. The shape holding portion includes a guide bore for receiving the palm portion when being deformed, and a curved portion provided on an outer side of a distal end of the guide bore and facing the plurality of finger portions.Type: GrantFiled: September 29, 2017Date of Patent: December 29, 2020Assignee: NITTA CORPORATIONInventors: Hirokazu Nitta, Itaru Hatano
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Publication number: 20200324420Abstract: There is provided a gripper, a gripping device, and an industrial robot that can more reliably grip a workpiece without using a granular material. The gripper includes integrally: a palm portion; a plurality of finger portions protruding from a periphery of the palm portion and configured to fall toward the palm portion by deforming the palm portion in a thickness direction; a connecting portion formed in a position surrounding an outer edge of the palm portion on a side opposite to a side formed with the finger portions, the connecting portion connected to a case; and a high-strength portion provided between the palm portion and the connecting portion, the high-strength portion having a predetermined length from the outer edge of the palm portion in the thickness direction of the palm portion, and the high-strength portion being less likely to be deformed than the palm portion.Type: ApplicationFiled: November 8, 2018Publication date: October 15, 2020Inventors: Itaru HATANO, Shunsuke IWATA, Hirokazu NITTA
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Publication number: 20200238541Abstract: A gripping device includes a bag-shaped gripping body, a plurality of elastic portions, and a shape holding portion. The gripping body includes a palm portion, and a plurality of finger portions protruding from a periphery of the palm portion and configured to fall toward the palm portion by deforming the palm portion in a thickness direction. The plurality of elastic portions is respectively provided in the plurality of finger portions, each of the plurality of elastic portions having a shape of each of the plurality of finger portions. The shape holding portion is provided in the gripping body to prevent contraction of an outer periphery of the palm portion. The shape holding portion includes a guide bore for receiving the palm portion when being deformed, and a curved portion provided on an outer side of a distal end of the shape holding portion in an axial direction of the guide bore. The distal end faces the plurality of finger portions.Type: ApplicationFiled: September 28, 2018Publication date: July 30, 2020Inventors: Itaru HATANO, Hirokazu NITTA
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Publication number: 20200180166Abstract: A gripping device includes a bag-shaped gripping body, a plurality of elastic portions, and a shape holding portion. The gripping body includes a palm portion, and a plurality of finger portions protruding from a periphery of the palm portion and configured to fall toward the palm portion by deforming the palm portion in a thickness direction. The plurality of elastic portions is respectively provided in the plurality of finger portions, each of the plurality of elastic portions having a shape of each of the plurality of finger portions. The shape holding portion is provided in the gripping body to prevent contraction of an outer periphery of the palm portion. The shape holding portion includes a guide bore for receiving the palm portion when being deformed, and a curved portion provided on an outer side of a distal end of the guide bore and facing the plurality of finger portions.Type: ApplicationFiled: September 29, 2017Publication date: June 11, 2020Inventors: Hirokazu NITTA, Itaru HATANO
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Patent number: D865826Type: GrantFiled: November 30, 2017Date of Patent: November 5, 2019Assignee: Nitta CorporationInventors: Itaru Hatano, Hirokazu Nitta
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Patent number: D866626Type: GrantFiled: November 30, 2017Date of Patent: November 12, 2019Assignee: Nitta CorporationInventors: Itaru Hatano, Hirokazu Nitta
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Patent number: D869532Type: GrantFiled: November 30, 2017Date of Patent: December 10, 2019Assignee: Nitta CorporationInventors: Itaru Hatano, Hirokazu Nitta
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Patent number: D870170Type: GrantFiled: June 5, 2019Date of Patent: December 17, 2019Assignee: Nitta CorporationInventors: Itaru Hatano, Hirokazu Nitta
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Patent number: D871473Type: GrantFiled: March 24, 2017Date of Patent: December 31, 2019Assignee: Nitta CorporationInventors: Itaru Hatano, Hirokazu Nitta
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Patent number: D871479Type: GrantFiled: June 5, 2019Date of Patent: December 31, 2019Assignee: Nitta CorporationInventors: Itaru Hatano, Hirokazu Nitta