Patents by Inventor Takushi Sugino
Takushi Sugino 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: 11121646Abstract: An object of this invention is to create an actuator in which the amount of deformation is maintained and no displacement in the reverse direction occurs, even when a constant voltage is continuously applied for a long period of time. As a means for achieving the above object, the invention provides a conductive thin film comprising a polymer gel containing at least one organic molecule selected from the group consisting of electron-donating organic molecules and electron-withdrawing organic molecules, a nano-carbon material, an ionic liquid, and a polymer.Type: GrantFiled: June 13, 2019Date of Patent: September 14, 2021Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE & TECHNOLOGYInventors: Takushi Sugino, Kinji Asaka, Isao Takahashi, Tomomasa Takatsuka, Kenichi Mitsumori, Nobuaki Haga
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Patent number: 10801477Abstract: A conductive thin film is composed of a polymer gel including carbon nanotubes, an ionic liquid, and a polymer. At least one selected from the group consisting of fat and oil and a water repellent is included in the polymer gel or in a surface of the polymer gel.Type: GrantFiled: December 23, 2014Date of Patent: October 13, 2020Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Takushi Sugino, Kinji Asaka, Isao Takahashi, Tomomasa Takatsuka
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Publication number: 20190356242Abstract: An object of this invention is to create an actuator in which the amount of deformation is maintained and no displacement in the reverse direction occurs, even when a constant voltage is continuously applied for a long period of time. As a means for achieving the above object, the invention provides a conductive thin film comprising a polymer gel containing at least one organic molecule selected from the group consisting of electron-donating organic molecules and electron-withdrawing organic molecules, a nano-carbon material, an ionic liquid, and a polymer.Type: ApplicationFiled: June 13, 2019Publication date: November 21, 2019Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE & TECHNOLOGYInventors: Takushi Sugino, Kinji Asaka, Isao Takahashi, Tomomasa Takatsuka, Kenichi Mitsumori, Nobuaki Haga
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Patent number: 10367429Abstract: An object of this invention is to create an actuator in which the amount of deformation is maintained and no displacement in the reverse direction occurs, even when a constant voltage is continuously applied for a long period of time. As a means for achieving the above object, the invention provides a conductive thin film comprising a polymer gel containing at least one organic molecule selected from the group consisting of electron-donating organic molecules and electron-withdrawing organic molecules, a nano-carbon material, an ionic liquid, and a polymer.Type: GrantFiled: March 28, 2013Date of Patent: July 30, 2019Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Takushi Sugino, Kinji Asaka, Isao Takahashi, Tomomasa Takatsuka, Kenichi Mitsumori, Nobuaki Haga
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Patent number: 10199561Abstract: An electroconductive film for an actuator is formed from a gel composition including carbon nanofibers, an ionic liquid, and a polymer. The carbon nanofibers are produced with an aromatic mesophase pitch by melt spinning.Type: GrantFiled: March 22, 2016Date of Patent: February 5, 2019Assignees: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, NATIONAL UNIVERSITY CORPORATION GUNMA UNIVERSITY, ALPS ELECTRIC CO., LTD.Inventors: Kinji Asaka, Takushi Sugino, Soshi Shiraishi, Isao Takahashi, Tomomasa Takatsuka, Shinya Komura
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Publication number: 20190010329Abstract: An object of the present invention is to provide an actuator that has improved performance. As a means for achieving this object, provided is a conductive thin film comprising a polymer gel containing a polyaniline (PANI), carbon nanohorns (CNH), carbon nanotubes (CNT), an ionic liquid, and a polymer, wherein the mass of the polyaniline is 10 to 50%, the mass of the carbon nanohorns is 10 to 50%, and the mass of the carbon nanotubes is 1 to 50% when the total mass of the polyaniline, the carbon nanohorns, and the carbon nanotubes is taken as 100%.Type: ApplicationFiled: August 18, 2016Publication date: January 10, 2019Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Takushi Sugino, Kinji Asaka
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Patent number: 9966525Abstract: An electroconductive film for an actuator is formed from a gel composition including carbon nanofibers, an ionic liquid, and a polymer. The carbon nanofibers are produced with an aromatic mesophase pitch by melt spinning.Type: GrantFiled: July 9, 2012Date of Patent: May 8, 2018Assignees: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, NATIONAL UNIVERSITY CORPORATION GUNMA UNIVERSITY, ALPS ELECTRIC CO., LTD.Inventors: Kinji Asaka, Takushi Sugino, Soshi Shiraishi, Isao Takahashi, Tomomasa Takatsuka, Shinya Komura
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Patent number: 9873609Abstract: A polymer actuator element includes an electrolyte layer and electrode layers, in which the electrode layer includes an activated carbon nanofiber and a carbon nanohorn.Type: GrantFiled: June 26, 2015Date of Patent: January 23, 2018Assignee: Alps Electric Co., Ltd.Inventors: Tomomasa Takatsuka, Isao Takahashi, Teppei Sugawara, Kenichi Mitsumori, Kinji Asaka, Takushi Sugino
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Patent number: 9424960Abstract: A method for producing an aggregated thread structure includes (a) a process of dispersing carbon nanotube to a first solvent, which is water or a mixed solvent containing organic solvent and water, with a surfactant, to create a dispersion and (b) a process of injecting the dispersion, in which carbon nanotube is dispersed, to a condensing liquid, which is a second solvent that differs from the first solvent, to thereby aggregate and spin carbon nanotube. The aggregated thread structure containing carbon nanotube has: a bulk density of 0.5 g/cm3 or more; a weight reduction rate up to 450° C. of 50% or less; a G/D ratio for resonance Raman scattering measurement of 10 or more; and an electric conductivity of 50 S/cm or more.Type: GrantFiled: August 7, 2014Date of Patent: August 23, 2016Assignees: FURUKAWA ELECTRIC CO., LTD., NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Hiroaki Rikihisa, Masato Tachibana, Michihiro Shimada, Kinji Asaka, Ken Mukai, Takushi Sugino
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Publication number: 20160240770Abstract: An electroconductive film for an actuator is formed from a gel composition including carbon nanofibers, an ionic liquid, and a polymer. The carbon nanofibers are produced with an aromatic mesophase pitch by melt spinning.Type: ApplicationFiled: March 22, 2016Publication date: August 18, 2016Applicants: National Institute of Advanced Industrial Science and Technology, NATIONAL UNIVERSITY CORPORATION GUNMA UNIVERSITY, ALPS ELECTRIC CO., LTD.Inventors: Kinji Asaka, Takushi Sugino, Soshi Shiraishi, Isao Takahashi, Tomomasa Takatsuka, Shinya Komura
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Publication number: 20150298963Abstract: A polymer actuator element includes an electrolyte layer and electrode layers, in which the electrode layer includes an activated carbon nanofiber and a carbon nanohorn.Type: ApplicationFiled: June 26, 2015Publication date: October 22, 2015Inventors: Tomomasa TAKATSUKA, Isao TAKAHASHI, Teppei SUGAWARA, Kenichi MITSUMORI, Kinji ASAKA, Takushi SUGINO
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Publication number: 20150118500Abstract: A conductive thin film is composed of a polymer gel including carbon nanotubes, an ionic liquid, and a polymer. At least one selected from the group consisting of fat and oil and a water repellent is included in the polymer gel or in a surface of the polymer gel.Type: ApplicationFiled: December 23, 2014Publication date: April 30, 2015Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Takushi Sugino, Kinji Asaka, Isao Takahashi, Tomomasa Takatsuka
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Publication number: 20150061457Abstract: An object of this invention is to create an actuator in which the amount of deformation is maintained and no displacement in the reverse direction occurs, even when a constant voltage is continuously applied for a long period of time. As a means for achieving the above object, the invention provides a conductive thin film comprising a polymer gel containing at least one organic molecule selected from the group consisting of electron-donating organic molecules and electron-withdrawing organic molecules, a nano-carbon material, an ionic liquid, and a polymer.Type: ApplicationFiled: March 28, 2013Publication date: March 5, 2015Applicants: NATIONAL INSTITUTE OF ADVANCE INDUSTRIAL SCIENCE AND TECHNOLOGY, ALPS ELECTRIC CO., LTD.Inventors: Takushi Sugino, Kinji Asaka, Isao Takahashi, Tomomasa Takatsuka, Kenichi Mitsumori, Nobuaki Haga
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Patent number: 8951641Abstract: A conductive thin film is composed of a polymer gel including carbon nanotubes, an ionic liquid, and a polymer. At least one selected from the group consisting of fat and oil and a water repellent is included in the polymer gel or in a surface of the polymer gel.Type: GrantFiled: July 5, 2012Date of Patent: February 10, 2015Assignee: National Institute of Advanced Industrial Science and TechnologyInventors: Takushi Sugino, Kinji Asaka, Isao Takahashi, Tomomasa Takatsuka
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Publication number: 20150015113Abstract: A polymer actuator device includes a device part including an electrolyte layer, first and second electrode layers disposed on either surface of the electrolyte layer in a thickness direction, and a reference electrode layer disposed between the first and second electrode layers and in contact with the electrolyte layer. The device part bends in response to a voltage applied between the first and second electrode layers.Type: ApplicationFiled: July 30, 2014Publication date: January 15, 2015Inventors: Yorihiko SASAKI, Teppei SUGAWARA, Nobuaki HAGA, Kinji ASAKA, Takushi SUGINO, Tetsuo NISHIDA
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Publication number: 20140346697Abstract: A method for producing an aggregated thread structure includes (a) a process of dispersing carbon nanotube to a first solvent, which is water or a mixed solvent containing organic solvent and water, with a surfactant, to create a dispersion and (b) a process of injecting the dispersion, in which carbon nanotube is dispersed, to a condensing liquid, which is a second solvent that differs from the first solvent, to thereby aggregate and spin carbon nanotube. The aggregated thread structure containing carbon nanotube has: a bulk density of 0.5 g/cm3 or more; a weight reduction rate up to 450° C. of 50% or less; a G/D ratio for resonance Raman scattering measurement of 10 or more; and an electric conductivity of 50 S/cm or more.Type: ApplicationFiled: August 7, 2014Publication date: November 27, 2014Inventors: Hiroaki RIKIHISA, Masato TACHIBANA, Michihiro SHIMADA, Kinji ASAKA, Ken MUKAI, Takushi SUGINO
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Publication number: 20130251619Abstract: A method for producing an aggregated thread structure includes (a) a process of dispersing carbon nanotube to a first solvent, which is water or a mixed solvent containing organic solvent and water, with a surfactant, to create a dispersion and (b) a process of injecting the dispersion, in which carbon nanotube is dispersed, to a condensing liquid, which is a second solvent that differs from the first solvent, to thereby aggregate and spin carbon nanotube. The aggregated thread structure containing carbon nanotube has: a bulk density of 0.5 g/cm3 or more; a weight reduction rate up to 450° C. of 50% or less; a G/D ratio for resonance Raman scattering measurement of 10 or more; and an electric conductivity of 50 S/cm or more.Type: ApplicationFiled: May 20, 2013Publication date: September 26, 2013Applicants: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, FURUKAWA ELECTRIC CO., LTD.Inventors: Hiroaki RIKIHISA, Masato TACHIBANA, Michihiro SHIMADA, Kinji ASAKA, Ken MUKAI, Takushi SUGINO
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Publication number: 20130009514Abstract: An electroconductive film for an actuator is formed from a gel composition including carbon nanofibers, an ionic liquid, and a polymer. The carbon nanofibers are produced with an aromatic mesophase pitch by melt spinning.Type: ApplicationFiled: July 9, 2012Publication date: January 10, 2013Applicants: National Institute of Advanced Industrial Science and Technology, ALPS ELECTRIC CO., LTD., NATIONAL UNIVERSITY CORPORATION GUNMA UNIVERSITYInventors: Kinji Asaka, Takushi Sugino, Soshi Shiraishi, Isao Takahashi, Tomomasa Takatsuka, Shinya Komura
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Publication number: 20130008160Abstract: A conductive thin film is composed of a polymer gel including carbon nanotubes, an ionic liquid, and a polymer. At least one selected from the group consisting of fat and oil and a water repellent is included in the polymer gel or in a surface of the polymer gel.Type: ApplicationFiled: July 5, 2012Publication date: January 10, 2013Applicants: ALPS ELECTRIC CO., LTD., NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Takushi Sugino, Kinji Asaka, Isao Takahashi, Tomomasa Takatsuka
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Publication number: 20060257645Abstract: The present invention provides a method for easily producing an excellent actuator element wherein carbon nanotubes are extremely well dispersed, in the production of an actuator element using a hydrophilic ionic liquid. According to one embodiment, the invention provides an electroconductive film composed of a polymer gel having carbon nanotubes with an aspect ratio of at least 103 or more, an ionic liquid, and a polymer.Type: ApplicationFiled: March 30, 2006Publication date: November 16, 2006Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Kinji Asaka, Takushi Sugino, Ichirou Takeuchi, Kenji Hata