Patents by Inventor Junko Yamamoto
Junko Yamamoto 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: 20240101786Abstract: To provide an inorganic filler fluidity modifier for improving the fluidity of an inorganic filler.Type: ApplicationFiled: February 17, 2022Publication date: March 28, 2024Applicant: DIC CorporationInventors: Hiroshi Yoshimura, Junko Yamamoto, Yusuke Tajiri
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Publication number: 20230133719Abstract: To provide an inorganic filler dispersion stabilizer capable of reducing the viscosity of a composition containing an inorganic filler and improving the storage stability of the composition containing an inorganic filler. An inorganic filler dispersion stabilizer which is a polyester having carboxyl groups at both terminals.Type: ApplicationFiled: March 4, 2021Publication date: May 4, 2023Applicant: DIC CorporationInventors: Junko Yamamoto, Hiroshi Yoshimura, Yusuke Tajiri
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Patent number: 11390811Abstract: The present invention provides a liquid crystal composition, containing: one kind or two or more kinds of a first monomer having a first mesogenic skeleton, at least one polymerizable group represented by the general formula (PG1) linked to the first mesogenic skeleton, and at least one polar group linked to the mesogenic skeleton or the polymerizable group; and one kind or two or more kinds of a second monomer having a second mesogenic skeleton and a polymerizable group represented by the general formula (PG2) linked to the second mesogenic skeleton, and having a chemical structure different from that of the first monomer, in an amount of more than 0.4% by mass, which is excellent in vertical alignment, burn-in characteristics (change with time of pretilt angle), and compatibility, and provides a liquid crystal display element using the liquid crystal composition.Type: GrantFiled: June 14, 2018Date of Patent: July 19, 2022Assignee: DIC CORPORATIONInventors: Junko Yamamoto, Junichi Mamiya, Yuichi Inoue, Masaomi Kimura
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Patent number: 11358398Abstract: There is provided a print control device that causes a printing device to perform printing, the print control device including: a specifying section that specifies a print target from a captured image captured by an image capturing sensor; a display section that displays, on a display, a screen in which a trimmed image is superimposed on the captured image, the trimmed image being obtained by trimming a preview image of original print data in accordance with the print target; a setting receiving section that receives a setting of a relative position of the preview image with respect to the print target; a print instruction receiving section that receives a print instruction at the relative position; and a control section that causes the printing device to perform printing on the print target based on the original print data and the relative position according to the print instruction.Type: GrantFiled: June 29, 2020Date of Patent: June 14, 2022Assignee: Seiko Epson CorporationInventors: Hiroaki Nakanishi, Ikuo Masujima, Kiyokazu Kamijo, Kei Miyazawa, Takahiro Otani, Junko Yamamoto, Takeshi Aoki, Akinobu Miyasaka, Shiori Naruse
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Patent number: 11312906Abstract: A problem to be solved by the present invention is to provide a liquid crystal composition excellent in vertical alignment and compatibility and to provide a liquid crystal display device produced using the same. The problem is solved by a liquid crystal composition containing one or two or more kinds of self-aligning polymerizable monomers and one or two or more kinds of polymerizable monomers (or polymerizable compounds) having a specific chemical structure, and a liquid crystal display device produced using the same, specifically a liquid crystal composition containing a polymerizable monomer represented by General Formula (I) and a spontaneously aligning monomer which has a chemical structure different from that of the polymerizable monomer represented by General Formula (I), and has a polar group, and a liquid crystal display device containing the same.Type: GrantFiled: May 17, 2018Date of Patent: April 26, 2022Assignee: DIC CORPORATIONInventors: Junichi Mamiya, Yuichi Inoue, Masaomi Kimura, Junko Yamamoto, Masanao Hayashi, Hirokazu Sugiyama
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Publication number: 20220041858Abstract: A fluidity modifier for a coating material or the like contains an ester resin represented by the following general formula (I) or general formula (II) (Y represents a hydrogen atom or a monocarboxylic acid residue having 1 to 9 carbon atoms, G represents an aliphatic diol residue having 2 to 9 carbon atoms, A represents an aliphatic dicarboxylic acid residue having 2 to 10 carbon atoms, X represents a dicarboxylic acid residue having 1 to 8 carbon atoms, Z represents a monoalcohol residue having 2 to 10 carbon atoms, n represents the number of repeating units and is an integer of 0 to 30, and m represents the number of repeating units and is an integer of 0 to 30; G and A may be the same or different for each repeating unit, and a plurality of G may be the same as or different from each other).Type: ApplicationFiled: September 12, 2019Publication date: February 10, 2022Applicant: DIC CorporationInventors: Daiki Noro, Hiroshi Yoshimura, Junko Yamamoto, Yusuke Tajiri
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Publication number: 20210171831Abstract: Provided are an alignment aid that sufficiently exerts an alignment control force causing liquid crystal molecules to be vertically aligned and can reduce a change in pretilt angle over time, a liquid crystal composition containing the alignment aid, and a liquid crystal display device. The alignment aid of the present invention has the function of causing the liquid crystal molecules to be aligned spontaneously. In the light absorption spectrum of the alignment aid, the longest wavelength at which the absorbance is 0.5 is 330 nm or shorter. Preferably, the light absorption spectrum is measured on a solution prepared by dissolving the alignment aid in tetrahydrofuran at a concentration of 1000 ppm.Type: ApplicationFiled: June 20, 2019Publication date: June 10, 2021Applicant: DIC CorporationInventors: Junko Yamamoto, Yuichi Inoue, Junichi Mamiya, Masaomi Kimura
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Publication number: 20210001643Abstract: There is provided a print control device that causes a printing device to perform printing, the print control device including: a specifying section that specifies a print target from a captured image captured by an image capturing sensor; a display section that displays, on a display, a screen in which a trimmed image is superimposed on the captured image, the trimmed image being obtained by trimming a preview image of original print data in accordance with the print target; a setting receiving section that receives a setting of a relative position of the preview image with respect to the print target; a print instruction receiving section that receives a print instruction at the relative position; and a control section that causes the printing device to perform printing on the print target based on the original print data and the relative position according to the print instruction.Type: ApplicationFiled: June 29, 2020Publication date: January 7, 2021Inventors: Hiroaki NAKANISHI, Ikuo MASUJIMA, Kiyokazu KAMIJO, Kei MIYAZAWA, Takahiro OTANI, Junko YAMAMOTO, Takeshi AOKI, Akinobu MIYASAKA, Shiori NARUSE
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Patent number: 10766367Abstract: A train control device includes a train position detector, a storage, and an in-vehicle controller. The train position detector detects a traveling position of a train. The storage stores therein a traveling position of the train when a loss of contact of the current collector occurs, as a loss-of-contact position. When the train travels in a predetermined section including the loss-of-contact position with reference to the traveling position of the train and the storage, the in-vehicle controller causes the train to perform coasting traveling in the predetermined section.Type: GrantFiled: July 8, 2016Date of Patent: September 8, 2020Assignees: Kabushiki Kaisha Toshiba, Toshiba Infrastructure Systems & Solutions CorporationInventors: Junko Yamamoto, Hirotoshi Kawai, Satoshi Iba, Yohei Hattori, Yasuyuki Miyajima
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Publication number: 20200224098Abstract: A problem to be solved by the present invention is to provide a liquid crystal composition excellent in vertical alignment and compatibility and to provide a liquid crystal display device produced using the same. The problem is solved by a liquid crystal composition containing one or two or more kinds of self-aligning polymerizable monomers and one or two or more kinds of polymerizable monomers (or polymerizable compounds) having a specific chemical structure, and a liquid crystal display device produced using the same, specifically a liquid crystal composition containing a polymerizable monomer represented by General Formula (I) and a spontaneously aligning monomer which has a chemical structure different from that of the polymerizable monomer represented by General Formula (I), and has a polar group, and a liquid crystal display device containing the same.Type: ApplicationFiled: May 17, 2018Publication date: July 16, 2020Applicant: DIC CorporationInventors: Junichi Mamiya, Yuichi Inoue, Masaomi Kimura, Junko Yamamoto, Masanao Hayashi, Hirokazu Sugiyama
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Publication number: 20200208054Abstract: The present invention provides a liquid crystal composition, containing: one kind or two or more kinds of a first monomer having a first mesogenic skeleton, at least one polymerizable group represented by the general formula (PG1) linked to the first mesogenic skeleton, and at least one polar group linked to the mesogenic skeleton or the polymerizable group; and one kind or two or more kinds of a second monomer having a second mesogenic skeleton and a polymerizable group represented by the general formula (PG2) linked to the second mesogenic skeleton, and having a chemical structure different from that of the first monomer, in an amount of more than 0.4% by mass, which is excellent in vertical alignment, burn-in characteristics (change with time of pretilt angle), and compatibility, and provides a liquid crystal display element using the liquid crystal composition.Type: ApplicationFiled: June 14, 2018Publication date: July 2, 2020Applicant: DIC CORPORATION (TOKYO)Inventors: Junko Yamamoto, Junichi Mamiya, Yuichi Inoue, Masaomi Kimura
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Patent number: 10633590Abstract: The present application provides a liquid crystal composition with high dielectric constant anisotropy and a low viscosity, and to provide a liquid crystal display device with high contrast, high-speed responsivity, high light fastness, and high display quality without image sticking and display defects. The liquid crystal composition contains one or two or more compounds represented by the general formula (I). The liquid crystal composition is of great practical use as a liquid crystal composition for use in liquid crystal displays and is effective for high contrast, high-speed response, and high quality reliability.Type: GrantFiled: August 25, 2016Date of Patent: April 28, 2020Assignee: DIC CORPORATIONInventors: Junko Yamamoto, Tomoaki Hara, Go Sudo
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Patent number: 10569793Abstract: A train control device, according to one embodiment, includes a storage unit, an acquiring unit, and a control unit. The storage unit is configured to store therein information of a plurality of limit speeds corresponding to a plurality of respective blocks and being determined based on a block on which a preceding train traveling at least one ahead is located. The acquiring unit is configured to acquire schedule information of the preceding train indicating a time at which the preceding train exits each of the blocks. The control unit is configured to determine a limit speed in each of the blocks associated with a travel of a train, based on the acquired schedule information and the information of the limit speeds; and to create a travel plan of the train using the determined limit speed.Type: GrantFiled: August 25, 2014Date of Patent: February 25, 2020Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Junko Yamamoto, Satoshi Iba, Yohei Hattori, Yasuyuki Miyajima
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Patent number: 10363948Abstract: According to an embodiment, a train control device includes an acceleration detection unit and a train control unit. The acceleration detection unit detects acceleration of a train along a rotation radius direction, when the train is turning and passing a curved section of a rail line with a cant. The train control unit sets a passing speed of the train passing through the curved section so that a state of the train is placed in a balanced cant, based on a direction of the detected acceleration.Type: GrantFiled: December 24, 2015Date of Patent: July 30, 2019Assignee: Kabushiki Kaisha ToshibaInventors: Junko Yamamoto, Satoshi Iba, Yohei Hattori, Yasuyuki Miyajima
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Publication number: 20190202484Abstract: According to a train control device, generally, a train-speed position detector that detects a speed and a position of a train that includes a driving and braking control device for controlling driving and braking. A control-command calculator calculates a positional deviation of the train on the basis of a result of the detection the train-speed position detector, a train-speed estimate being an estimated value of the speed of the train after a certain length of time, a train-position estimate being an estimated value of the position of the train after the certain length of time, and a certain target deceleration pattern for stopping the train at a certain position, and selects a control command for the driving and braking control device on the basis of the calculated positional deviation.Type: ApplicationFiled: June 30, 2017Publication date: July 4, 2019Applicants: Kabushiki Kaisha Toshiba, Toshiba Infrastructure Systems & Solutions CorporationInventors: Junko YAMAMOTO, Satoshi IBA, Yohei HATTORI, Yasuyuki MIYAJIMA
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Patent number: 10137911Abstract: A running curve creation device of an embodiment is a running curve creation device to create a running curve which can make a train having a prescribed vehicle characteristic run between a prescribed departure station and a prescribed arrival station in a prescribed running time with a smaller cumulative energy consumption. A shortest time running curve creation unit creates a shortest time running curve in which the train runs between the stations in a shortest time, based on predetermined vehicle information and ground information of the train, and an energy saving running curve creation unit selects from the shortest time running curve and a plurality of solution candidates corresponding to states of the train at each prescribed elapsed time since the train has departed from the departure station, a solution candidate having the relatively small cumulative energy consumption in the prescribed running time, and creates an energy saving running curve based on the selected solution candidate.Type: GrantFiled: January 13, 2016Date of Patent: November 27, 2018Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Yukinori Tonosaki, Junko Yamamoto, Tatsunori Suzuki
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Publication number: 20180327005Abstract: According to an embodiment, a train control device includes an acceleration detection unit and a train control unit. The acceleration detection unit detects acceleration of a train along a rotation radius direction, when the train is turning and passing a curved section of a rail line with a cant. The train control unit sets a passing speed of the train passing through the curved section so that a state of the train is placed in a balanced cant, based on a direction of the detected acceleration.Type: ApplicationFiled: December 24, 2015Publication date: November 15, 2018Applicant: Kabushiki Kaisha ToshibaInventors: Junko YAMAMOTO, Satoshi IBA, Yohei HATTORI, Yasuyuki MIYAJIMA
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Publication number: 20180230383Abstract: The present application provides a liquid crystal composition with high dielectric constant anisotropy and a low viscosity, and to provide a liquid crystal display device with high contrast, high-speed responsivity, high light fastness, and high display quality without image sticking and display defects. The liquid crystal composition contains one or two or more compounds represented by the general formula (I). The liquid crystal composition is of great practical use as a liquid crystal composition for use in liquid crystal displays and is effective for high contrast, high-speed response, and high quality reliability.Type: ApplicationFiled: August 25, 2016Publication date: August 16, 2018Applicant: DIC CORPORATIONInventors: Junko Yamamoto, Tomoaki Hara, Go Sudo
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Publication number: 20180215270Abstract: A train control device includes a train position detector, a storage, and an in-vehicle controller. The train position detector detects a traveling position of a train. The storage stores therein a traveling position of the train when a loss of contact of the current collector occurs, as a loss-of-contact position. When the train travels in a predetermined section including the loss-of-contact position with reference to the traveling position of the train and the storage, the in-vehicle controller causes the train to perform coasting traveling in the predetermined section.Type: ApplicationFiled: July 8, 2016Publication date: August 2, 2018Applicants: Kabushiki Kaisha Toshiba, Toshiba Infrastructure Systems & Solutions CorporationInventors: Junko YAMAMOTO, Hirotoshi KAWAI, Satoshi IBA, Yohei HATTORI, Yasuyuki MIYAJIMA
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Publication number: 20180208846Abstract: There are provided a liquid crystal composition containing one or two or more compounds represented by the general formula (I) and a liquid crystal display device including the liquid crystal composition. A liquid crystal composition containing a compound represented by the general formula (I) has high dielectric constant anisotropy and low viscosity and is of great practical use as a liquid crystal composition for liquid crystal displays. A liquid crystal display device including a liquid crystal composition according to the present invention has a high contrast, high-speed responsivity, high light resistance, and a lower occurrence of image sticking and display defects, and is effective for higher-speed response and high-quality reliability.Type: ApplicationFiled: July 26, 2016Publication date: July 26, 2018Applicant: DIC CorporationInventors: Megumi Uzawa, Junko Yamamoto, Shirou Taniguchi, Tomoaki Hara, Go Sudo