Patents by Inventor Makoto Takeshita
Makoto Takeshita 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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Publication number: 20240092554Abstract: A cushioning sheet includes a first portion provided in a first area, and a second portion provided in a second area and having a strength stronger than that of the first portion.Type: ApplicationFiled: September 13, 2023Publication date: March 21, 2024Inventors: Michiko KAWAJI, Sanshiro TAKESHITA, Makoto FURUHATA
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Patent number: 11904358Abstract: A dielectric elastomer transducer according to the present invention includes a dielectric elastomer layer, and a pair of electrode layers sandwiching the dielectric elastomer layer. The electrode layers contain a binder and carbon black. The carbon black has a particle size distribution as measured by dynamic light scattering in which not less than 95% falls in a range of 0.15 to 8.0 ?m. The carbon black has a particle size as measured by laser scattering ranging from 0.4 to 50 ?m. The particle size distribution of the carbon black as measured by dynamic light scattering has a first peak that falls in a first range of 0.15 to 1.0 ?m and a second peak that falls in a second range of 1.0 ?m to 8.0 ?m. This structure achieves both stretchability and electrical conductivity of the electrode layers.Type: GrantFiled: June 17, 2020Date of Patent: February 20, 2024Assignees: ZEON CORPORATIONInventors: Seiki Chiba, Mikio Waki, Mitsugu Uejima, Makoto Takeshita
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Patent number: 11909337Abstract: A dielectric elastomer power generation system A1 includes a dielectric elastomer power generation element 3 having a dielectric elastomer layer 31 and a pair of electrode layers 32 sandwiching the dielectric elastomer layer 31. The dielectric elastomer power generation system A1 further includes a piezoelectric element 1 and a multi-stage voltage multiplier/rectifier circuit 2 that boosts and rectifies the voltage generated by the piezoelectric element 1 and applies the resulting voltage as an initial voltage to the dielectric elastomer power generation element 3. This configuration enables the system to be constructed at a lower cost and increase the amount of power generation.Type: GrantFiled: July 10, 2019Date of Patent: February 20, 2024Assignees: ZEON CORPORATIONInventors: Seiki Chiba, Mikio Waki, Makoto Takeshita, Mitsugu Uejima
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Publication number: 20230309283Abstract: An electromagnetic wave absorber includes ground carbon particles derived from carbon nanotubes. With such a configuration, the electromagnetic wave absorber achieves both stretchability and electrical conductivity.Type: ApplicationFiled: May 27, 2021Publication date: September 28, 2023Applicants: ZEON CORPORATIONInventors: Seiki CHIBA, Mikio WAKI, Mitsugu UEJIMA, Makoto TAKESHITA
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Publication number: 20230253289Abstract: The heat-dissipating material contains ground carbon particles derived from carbon nanotubes. Such a configuration can improve both elasticity and heat conductivity of the heat-dissipating material.Type: ApplicationFiled: May 27, 2021Publication date: August 10, 2023Applicants: ZEON CORPORATIONInventors: Seiki CHIBA, Mikio WAKI, Mitsugu UEJIMA, Makoto TAKESHITA
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Publication number: 20230198427Abstract: A rotary drive mechanism comprises: a camshaft having a plurality of cams; and a plurality of transducer units each including a plurality of transducers that each have a dielectric elastomer layer and a pair of electrode layers sandwiching the dielectric elastomer layer. The plurality of transducer units each provide a drive force to a corresponding one of the plurality of cams. The plurality of transducers in one of the transducer units are arranged radially around the corresponding cam. Such a configuration can exert a drive force more efficiently.Type: ApplicationFiled: March 24, 2021Publication date: June 22, 2023Applicants: ZEON CORPORATIONInventors: Seiki CHIBA, Mikio WAKI, Mitsugu UEJIMA, Makoto TAKESHITA
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Patent number: 11584831Abstract: Provided is a method of producing a slurry that enables simple production of a slurry in which fibrous carbon nanostructures are favorably dispersed. The method of producing a slurry includes: a mixing step of mixing resin particles having an average particle diameter of at least 1 ?m and not more than 700 ?m, fibrous carbon nanostructures, and a dispersion medium to obtain a mixed liquid; and a dispersing step of subjecting the mixed liquid to dispersion treatment using a wet medialess disperser under conditions in which pressure acting on the mixed liquid (gauge pressure) is 5 MPa or less to obtain a slurry. The fibrous carbon nanostructures preferably include carbon nanotubes.Type: GrantFiled: September 28, 2017Date of Patent: February 21, 2023Assignee: ZEON CORPORATIONInventors: Yoshihisa Takeyama, Makoto Takeshita
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Patent number: 11551854Abstract: A three-phase AC reactor according to an embodiment of the present invention includes three-phase coils that are not arranged in parallel, an input and output terminal block having an input and output unit having a parallel arrangement, and an external connection position change unit disposed between a coil end of each of the three-phase coils and the input and output terminal block to connect the coil end to the input and output terminal block.Type: GrantFiled: October 10, 2019Date of Patent: January 10, 2023Assignee: Fanuc CorporationInventors: Kenichi Tsukada, Kaname Matsumoto, Makoto Takeshita, Yuuichi Yamada, Masatomo Shirouzu
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Publication number: 20220314276Abstract: A dielectric elastomer transducer according to the present invention includes a dielectric elastomer layer, and a pair of electrode layers sandwiching the dielectric elastomer layer. The electrode layers contain a binder and carbon black. The carbon black has a particle size distribution as measured by dynamic light scattering in which not less than 95% falls in a range of 0.15 to 8.0 ?m. The carbon black has a particle size as measured by laser scattering ranging from 0.4 to 50 ?m. The particle size distribution of the carbon black as measured by dynamic light scattering has a first peak that falls in a first range of 0.15 to 1.0 ?m and a second peak that falls in a second range of 1.0 ?m to 8.0 ?m. This structure achieves both stretchability and electrical conductivity of the electrode layers.Type: ApplicationFiled: June 17, 2020Publication date: October 6, 2022Applicants: ZEON CORPORATIONInventors: Seiki CHIBA, Mikio WAKI, Mitsugu UEJIMA, Makoto TAKESHITA
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Publication number: 20220165932Abstract: A dielectric elastomer power generation system of the invention includes: a power generation unit including a dielectric elastomer power generation element having a dielectric elastomer layer flanked by two electrode layers; a step-down unit including capacitors; a power storage unit for input of an output power from the step-down unit; and a control unit that controls the connection between the step-down unit and the power generation unit or power storage unit. The step-down unit includes first diodes and second diodes, where the first diodes form a circuit that connects the capacitors in series when the power generation unit is connected to the step-down unit, and the second diodes form a circuit that connects the capacitors in parallel when the step-down unit is connected to the power storage unit. This configuration serves to store the generated power more efficiently in the power storage unit, e.g., a secondary battery.Type: ApplicationFiled: February 19, 2020Publication date: May 26, 2022Applicants: ZEON CORPORATIONInventors: Seiki CHIBA, Mikio WAKI, Mitsugu UEJIMA, Makoto TAKESHITA
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Publication number: 20220131066Abstract: A dielectric elastomer transducer Al includes a dielectric elastomer layer 11 and a pair of electrode layers 12 sandwiching the dielectric elastomer layer 11. The electrode layers 12 contain ground carbon particles derived from carbon nanotubes. This configuration ensures both stretchability and electrical conductivity.Type: ApplicationFiled: January 16, 2020Publication date: April 28, 2022Applicants: ZEON CORPORATIONInventors: Seiki CHIBA, Mikio WAKI, Noriyuki OYA, Makoto TAKESHITA, Mitsugu UEJIMA
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Patent number: 11264867Abstract: An object is to provide a motor drive device in which the maintenance accessibility of a fan motor is excellent. A motor drive device includes a second turning engagement unit which is engaged with a first turning engagement unit, which is engaged with the first turning engagement unit and is disengaged therefrom by movement of a first fan unit in a direction intersecting a horizontal direction and in which in an engaged state, where the second turning engagement unit is engaged with the first turning engagement unit, the second turning engagement unit pivotally supports the turning movement of the first fan unit, and in the engaged state, the first fan unit is engaged with a housing such that the first fan unit can be moved to be turned about a predetermined turning axis both to a non-fitting position in which a first connector is not fitted to a second connector and to a fitting position in which the first connector is fitted to the second connector.Type: GrantFiled: April 5, 2019Date of Patent: March 1, 2022Assignee: FANUC CORPORATIONInventors: Kazuhiro Yamamoto, Makoto Takeshita
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Publication number: 20210391529Abstract: A method for forming a dielectric elastomer transducer of the present invention includes: a first electrode layer fixing step of fixing a first electrode layer to a target object; a dielectric elastomer layer fixing step of fixing a dielectric elastomer layer to the first electrode layer; and a second electrode layer fixing step of fixing a second electrode layer to the dielectric elastomer layer. This configuration ensures that the dielectric elastomer transducer highly conforms to the target object.Type: ApplicationFiled: October 23, 2019Publication date: December 16, 2021Applicants: ZEON CORPORATIONInventors: Seiki CHIBA, Mikio WAKI, Mitsugu UEJIMA, Makoto TAKESHITA
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Publication number: 20210384408Abstract: A dielectric elastomer transducer A1 includes a plurality of dielectric elastomer elements each including a dielectric elastomer layer 11 and a pair of electrode layers 12 and 13 flanking the dielectric elastomer layer 11. The plurality of dielectric elastomer elements include adjacent dielectric elastomer elements 1. One electrode layer 12 of one of the adjacent dielectric elastomer elements and one electrode layer 12 of the other one of the adjacent dielectric elastomer element have the same potential. Such a configuration ensures more stable use of the dielectric elastomer elements.Type: ApplicationFiled: October 23, 2019Publication date: December 9, 2021Applicants: ZEON CORPORATIONInventors: Seiki CHIBA, Mikio WAKI, Mitsugu UEJIMA, Makoto TAKESHITA
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Publication number: 20210297013Abstract: A dielectric elastomer power generation system A1 includes a dielectric elastomer power generation element 3 having a dielectric elastomer layer 31 and a pair of electrode layers 32 sandwiching the dielectric elastomer layer 31. The dielectric elastomer power generation system A1 further includes a piezoelectric element 1 and a multi-stage voltage multiplier/rectifier circuit 2 that boosts and rectifies the voltage generated by the piezoelectric element 1 and applies the resulting voltage as an initial voltage to the dielectric elastomer power generation element 3. This configuration enables the system to be constructed at a lower cost and increase the amount of power generation.Type: ApplicationFiled: July 10, 2019Publication date: September 23, 2021Applicants: ZEON CORPORATIONInventors: Seiki CHIBA, Mikio WAKI, Makoto TAKESHITA, Mitsugu UEJIMA
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Patent number: 11015382Abstract: A motor driving device includes a mounting member including a mounting hole; a fan unit configured to be fixed to the mounting member, the fan unit including a lid disposed to cover the mounting hole; a restricting member configured to restrict movement of the lid by sandwiching the lid between the restricting member and the mounting member; and a guide mechanism configured to guide an operation of the restricting member moving relative to the lid from a non-restricting position where movement of the lid is allowed to a restricting position where movement of the lid is restricted.Type: GrantFiled: October 30, 2018Date of Patent: May 25, 2021Assignee: FANUC CORPORATIONInventors: Kazuhiro Yamamoto, Makoto Takeshita
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Publication number: 20210118310Abstract: Training data required for further training an AI pre-trained model to be used to identify aircraft can be effectively generated. A training data generation method includes: obtaining two data items among an appearance data item on an aircraft in an image in which a specific route has been imaged, a signal data item on radio waves emitted from the aircraft on the route, and a noise data item indicating noise from the aircraft on the route; identifying an attribute of the aircraft on the route by inputting one of the obtained two data items into a first identification model for identifying the attribute of the aircraft; and generating training data used for training a second identification model for identifying the attribute of the aircraft, by associating the other of the obtained two data items with the attribute of the aircraft on the route identified in the identification step.Type: ApplicationFiled: March 15, 2018Publication date: April 22, 2021Applicant: Nihon Onkyo Engineering Co., Ltd.Inventors: Osamu KOHASHI, Shinji OHASHI, Yoshio TADAHIRA, Yukihiro KATO, Takahiro MIZUNO, Hosei KAWAGOE, Makoto TAKESHITA
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Patent number: 10709037Abstract: A motor drive device capable of attaching a fan unit to a mounting member more easily. The motor drive device includes the mounting member formed with a mounting hole, the fan unit including a lid positioned facing the mounting member to cover the mounting hole and being fixed to the mounting member, and a restricting member movably attached to the lid, the restricting member being movable between a restriction position for engaging with the mounting member and a non-restriction position for releasing from the mounting member.Type: GrantFiled: November 5, 2018Date of Patent: July 7, 2020Assignee: FANUC CORPORATIONInventors: Kazuhiro Yamamoto, Makoto Takeshita, Shinichi Horikoshi
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Patent number: 10685777Abstract: A three-phase AC reactor according to an embodiment of the present invention includes an input and output terminal block; a peripheral iron core disposed under the input and output terminal block; and at least three iron-core coils each constituted of an iron core and a coil wound around the iron core, so as to contact an inner surface of the peripheral iron core or so as to be coupled to the inner surface. The at least three iron-core coils form gaps that can be magnetically coupled between two of the iron-core coils adjoining each other. The three-phase AC reactor includes a phase-based coil extending member unit that extends from coil end portions of the coils as base points to connection points of the input and output terminal block.Type: GrantFiled: September 21, 2017Date of Patent: June 16, 2020Assignee: FANUC CORPORATIONInventors: Kenichi Tsukada, Kaname Matsumoto, Makoto Takeshita, Yuuichi Yamada, Masatomo Shirouzu
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Patent number: 10622137Abstract: A three-phase AC reactor according to an embodiment of the present invention includes three-phase coils that are not arranged in parallel, an input and output terminal block having an input and output unit having a parallel arrangement, and an external connection position change unit disposed between a coil end of each of the three-phase coils and the input and output terminal block to connect the coil end to the input and output terminal block.Type: GrantFiled: October 10, 2019Date of Patent: April 14, 2020Assignee: FANUC CORPORATIONInventors: Kenichi Tsukada, Kaname Matsumoto, Makoto Takeshita, Yuuichi Yamada, Masatomo Shirouzu