Patents by Inventor Shinya Nakashima
Shinya Nakashima 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: 20230030308Abstract: Inspection apparatus A according to the present exemplary embodiment includes an illumination device capable of emitting first light in a first wavelength band and reference light in a reference wavelength band overlapping with the first wavelength band, an imaging device that images an inspection body and outputs a pixel signal, and an image processing device. The illumination device emits the first light and the reference light to the inspection body at different timings in one imaging time. The image processing device calculates a first reflectance that is a reflectance in the first wavelength band of the object based on the pixel signal, and determines physical properties of the object based on the first reflectance.Type: ApplicationFiled: July 14, 2022Publication date: February 2, 2023Inventor: SHINYA NAKASHIMA
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Publication number: 20220405904Abstract: An inspection apparatus includes an image sensor including a first imaging region and a reference imaging region. The first imaging region includes first pixels which capture an image of an object in a first wavelength band and output first feature quantities each of which corresponds to one of first pixels. The reference imaging region includes reference pixels which capture an image of the object in a reference wavelength band, which overlaps with the first wavelength band, and output reference feature quantities each of which corresponds to one of reference pixels. An image processing device obtains a reflectance of the object in the first wavelength band based on at least one first feature quantity and reference feature quantity and determines physical properties of the object based on the reflectance. The image processing device corrects the image of the object generated according to output from the image sensor based on the at least one first feature quantity and reference feature quantity.Type: ApplicationFiled: June 13, 2022Publication date: December 22, 2022Inventor: SHINYA NAKASHIMA
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Publication number: 20220106463Abstract: The present invention provides a rubber composition that can exhibit excellent low heat build-up, tear strength, and durability; and a rubber composition having excellent low heat build-up, tear strength, and durability, by incorporating a compound represented by the following formula (1) or (2), or a salt of the compound. In the formula (1), R1, R2, R3, and R4 are the same or different, and each represents a hydrogen atom, an alkyl group, or the like; R3 and R4 may be taken together to form an alkylidene group, and any two of R2, R3, and R4 may be taken together to form an alkylene group; and each of these groups may have one or more substituents. In the formula (2), R5, R7, and R8 are the same or different, and each represents a hydrogen atom or an amino group; and R6 represents an alkyl group or an aralkyl group; and each of these groups may have one or more substituents.Type: ApplicationFiled: August 29, 2019Publication date: April 7, 2022Applicant: OTSUKA CHEMICAL CO., LTD.Inventors: Seiichi AOYAGI, Akiyuki YOSHIDA, Shinya NAKASHIMA
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Publication number: 20210390684Abstract: An inspection machine includes image sensors that image a sheet, a lighting device that irradiates the sheet with light, and an image processing device that generates an image of an object from outputs of the image sensors. The image processing device generates captured images that include an image in a predetermined range of the sheet in common based on the outputs from the image sensors. The image processing device extracts images of the object on the sheet for each of the generated captured images. The image processing device associates the extracted images of the object with each other based on a feature amount of the object reflected in the images. The image processing device combines the associated images of the object with each other.Type: ApplicationFiled: June 3, 2021Publication date: December 16, 2021Inventor: SHINYA NAKASHIMA
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Patent number: 11131940Abstract: A toner for developing an electrostatic charge image includes a binder resin. In dynamic viscoelasticity measurement, a storage modulus G?50T of the toner at 50° C. is 2×106 Pa or more and 3×108 Pa or less, a storage modulus G?100T of the toner at 100° C. is 1×104 Pa or more and 1×106 Pa or less, and tan ?T of the toner in an entire temperature range of 50° C. or more and 100° C. or less is 0.05 or more and 1.5 or less.Type: GrantFiled: February 5, 2020Date of Patent: September 28, 2021Assignee: FUJIFILM Business Innovation Corp.Inventors: Shinya Sakamoto, Shinya Nakashima, Masaki Iwase, Tomohiro Shinya, Ryutaro Kembo, Tomohito Nakajima, Naomi Miyamoto
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Patent number: 10866532Abstract: An electrostatic charge image developing toner includes a polar group-containing olefin resin that is a polymer of a composition containing at least one nonpolar monomer unit (X) selected from the group consisting of ethylene and ?-olefin having 3 to 10 carbon atoms, a polar monomer unit (Y) having at least one of a maleic acid group and a maleic anhydride group, and a monomer unit (Z) having a polymerizability to at least one of the nonpolar monomer unit (X) and the polar monomer unit (Y), in which an acid value of the toner is 10 mgKOH/g to 60 mgKOH/g.Type: GrantFiled: August 5, 2019Date of Patent: December 15, 2020Assignee: FUJI XEROX CO., LTD.Inventors: Tomohiro Shinya, Naomi Miyamoto, Tomohito Nakajima, Shinya Nakashima, Shinya Sakamoto, Masaki Iwase, Ryutaro Kembo
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Patent number: 10795274Abstract: An electrostatic charge image developing toner includes a continuous phase containing a binder resin (i); and a discontinuous phase that has a core containing a binder resin (ii) and a coating layer covering the core and containing a binder resin (iii), and is dispersed in the continuous phase.Type: GrantFiled: August 5, 2019Date of Patent: October 6, 2020Assignee: FUJI XEROX CO., LTD.Inventors: Shinya Nakashima, Shinya Sakamoto, Tomohiro Shinya, Naomi Miyamoto, Masaki Iwase, Ryutaro Kembo, Tomohito Nakajima
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Publication number: 20200310270Abstract: An electrostatic charge image developing toner includes a continuous phase containing a binder resin (i); and a discontinuous phase that has a core containing a binder resin (ii) and a coating layer covering the core and containing a binder resin (iii), and is dispersed in the continuous phase.Type: ApplicationFiled: August 5, 2019Publication date: October 1, 2020Applicant: Fuji Xerox Co., Ltd.Inventors: Shinya Nakashima, Shinya Sakamoto, Tomohiro Shinya, Naomi Miyamoto, Masaki Iwase, Ryutaro Kembo, Tomohito Nakajima
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Publication number: 20200310269Abstract: An electrostatic charge image developing toner includes a polar group-containing olefin resin that is a polymer of a composition containing at least one nonpolar monomer unit (X) selected from the group consisting of ethylene and ?-olefin having 3 to 10 carbon atoms, a polar monomer unit (Y) having at least one of a maleic acid group and a maleic anhydride group, and a monomer unit (Z) having a polymerizability to at least one of the nonpolar monomer unit (X) and the polar monomer unit (Y), in which an acid value of the toner is 10 mgKOH/g to 60 mgKOH/g.Type: ApplicationFiled: August 5, 2019Publication date: October 1, 2020Applicant: FUJI XEROX CO., LTD.Inventors: Tomohiro SHINYA, Naomi Miyamoto, Tomohito Nakajima, Shinya Nakashima, Shinya Sakamoto, Masaki Iwase, Ryutaro Kembo
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Publication number: 20200310271Abstract: A toner for developing an electrostatic charge image includes a binder resin. In dynamic viscoelasticity measurement, a storage modulus G?50T of the toner at 50° C. is 2×106 Pa or more and 3×108 Pa or less, a storage modulus G?100T of the toner at 100° C. is 1×104 Pa or more and 1×106 Pa or less, and tan ?T of the toner in an entire temperature range of 50° C. or more and 100° C. or less is 0.05 or more and 1.5 or less.Type: ApplicationFiled: February 5, 2020Publication date: October 1, 2020Applicant: FUJI XEROX CO., LTD.Inventors: Shinya SAKAMOTO, Shinya NAKASHIMA, Masaki IWASE, Tomohiro SHINYA, Ryutaro KEMBO, Tomohito NAKAJIMA, Naomi MIYAMOTO
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Publication number: 20200263001Abstract: Provided are: a rubber additive that enables to provide a rubber composition having excellent low heat generation properties and manufacturing operability; a rubber composition including the rubber additive; and a pneumatic tire including the rubber composition.Type: ApplicationFiled: December 5, 2016Publication date: August 20, 2020Applicants: BRIDGESTONE CORPORATION, OTSUKA CHEMICAL CO., LTD.Inventors: Takahiro YOSHIZAWA, Shinya NAKASHIMA, Masaki ABE, Kazuhiro KODAMA
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Publication number: 20200231782Abstract: Provided is an additive for imparting low heat build-up to a rubber component, wherein the additive includes a tetrazine compound represented by general formula (1): (wherein X1 and X2 are the same or different and represent a hydrogen atom or an alkyl, alkylthio, aralkyl, aryl, arylthio, heterocyclic, or amino group; and each of these groups may have one or more substituents), or a salt thereof.Type: ApplicationFiled: March 6, 2020Publication date: July 23, 2020Applicant: OTSUKA CHEMICAL CO., LTD.Inventors: Takashi SATO, Hiroaki YUASA, Shinya NAKASHIMA
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Publication number: 20200040167Abstract: A rubber composition comprising a rubber component, a tetrazine compound represented by Formula (1) or a salt thereof: wherein X1 and X2 each represent an optionally substituted heterocyclic group, and a processing aid, wherein the rubber component contains a diene rubber obtained by polymerization of monomers including 1,3-butadiene monomer, the diene rubber being present in an amount of 40 parts by mass or more, per 100 parts by mass of the rubber component, and wherein the tetrazine compound or a salt thereof is present in an amount of 0.1 to 10 parts by mass, per 100 parts by mass of the rubber component.Type: ApplicationFiled: March 9, 2018Publication date: February 6, 2020Applicant: OTSUKA CHEMICAL CO., LTD.Inventors: Takashi SATO, Hiroaki YUASA, Shinya NAKASHIMA
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Patent number: 10197933Abstract: An electrostatic charge image developing toner includes toner particles including an amorphous resin and a crystalline resin, wherein, when the toner particles are subjected to a measurement by differential scanning calorimetry (DSC) before and after being stored at a temperature of 50° C. and a humidity of 90% RH for 24 hours, a relationship between an onset temperature T1 (° C.) of an endothermic peak having the lowest peak temperature in a first heating step with respect to the toner particles before being stored and an onset temperature T2 (° C.) of an endothermic peak having the lowest peak temperature in a first heating step with respect to the toner particles after being stored satisfies Expression (1): 2<T2?T1<10.Type: GrantFiled: April 17, 2017Date of Patent: February 5, 2019Assignee: FUJI XEROX CO., LTD.Inventors: Shinya Nakashima, Akira Matsumoto, Yasuo Kadokura, Yukiaki Nakamura, Satoshi Miura
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Publication number: 20180319955Abstract: The invention provides a rubber composition prepared by mixing, per 100 parts by mass of a rubber component comprising at least 50% by mass of a diene-based rubber, from 20 to 150 parts by mass of a filler, and from 0.05 to 30 parts by mass of a compound A which has a specific guanidine structure and has a functional group reactive with the diene-based rubber. The rubber composition improves both a high elastic modulus and a low tan ?. The invention also provides a pneumatic tire using the rubber composition.Type: ApplicationFiled: July 12, 2018Publication date: November 8, 2018Applicants: BRIDGESTONE CORPORATION, OTSUKA CHEMICAL CO., LTD.Inventors: Noriaki YUKIMURA, Takahiro YOSHIZAWA, Kazuhiro KODAMA, Hiroaki YUASA, Noriaki SHIINA, Takashi SATO, Hiroyuki ISHITOBI, Mifuyu UENO, Shinya NAKASHIMA, Masaki ABE
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Publication number: 20180273723Abstract: Provided is an additive for imparting low heat build-up to a rubber component, wherein the additive includes a tetrazine compound represented by general formula (1): (wherein X1 and X2 are the same or different and represent a hydrogen atom or an alkyl, alkylthio, aralkyl, aryl, arylthio, heterocyclic, or amino group; and each of these groups may have one or more substituents), or a salt thereof.Type: ApplicationFiled: September 30, 2016Publication date: September 27, 2018Applicant: OTSUKA CHEMICAL CO., LTD.Inventors: Takashi SATO, Hiroaki YUASA, Shinya NAKASHIMA
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Patent number: 10082742Abstract: An electrostatic charge image developing toner includes toner particles including an amorphous resin and a crystalline resin, wherein, when the toner particles are subjected to a measurement by differential scanning calorimetry before and after being heated at a temperature of 50° C. and a humidity of 50% RH for a week, a relationship between an endothermic amount S1 (J/g) derived from the crystalline resin in a first heating process with respect to the toner particles before being heated and an endothermic amount Sh (J/g) derived from the crystalline resin in a first heating process with respect to the toner particles after being heated satisfies Expression (1): 0.50?S1/Sh?0.90.Type: GrantFiled: May 1, 2017Date of Patent: September 25, 2018Assignee: FUJI XEROX CO., LTD.Inventors: Akira Matsumoto, Yasuo Kadokura, Shinya Nakashima, Yukiaki Nakamura, Satoshi Miura
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Patent number: 10066080Abstract: Provided is a rubber composition that contains at least one rubber component selected from natural rubber and diene-based synthetic rubbers and, blended therewith, at least one bisanilino compound represented by formula (I). In formula (I), R1 and R2 each represent, independently of one another, a hydrogen atom or an alkyl group having a carbon number of 1-6, m and n each represent an integer of 0 or 1, A1 represents an alkylene group having a carbon number of 1-7, A2 represents an alkylene group having a carbon number of 1-8, X1 represents an oxygen atom, a sulfur atom, or an —NR3— group, and X2 represents an oxygen atom, a sulfur atom, or an —NR4— group, where R3 and R4 each represent a hydrogen atom or an alkyl group having a carbon number of 1-4, or collectively form an alkylene group having a carbon number of 1-4.Type: GrantFiled: May 22, 2015Date of Patent: September 4, 2018Assignee: OTSUKA CHEMICAL CO., LTD.Inventors: Aya Saiki, Hidehiro Minashima, Yuzaburo Yano, Noriaki Shiina, Kazuhiro Kodama, Mifuyu Ueno, Takashi Sato, Shinya Nakashima, Masaki Abe
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Patent number: 10059829Abstract: Provided is a rubber composition that has better weather resistance than conventional rubber compositions and can inhibit surface discoloration of a rubber article. The rubber composition contains at least one rubber component selected from natural rubber and diene-based synthetic rubbers and, blended therewith, at least one amine compound represented by formula (I) shown below. In formula (I), R1 and R2 each represent, independently of one another, an alkyl group having a carbon number of 1-10, an aralkyl group, or a phenyl group, and A represents an alkylene group having a carbon number of 6-30 that may include an interposed phenylene group.Type: GrantFiled: May 22, 2015Date of Patent: August 28, 2018Assignee: OTSUKA CHEMICAL CO., LTD.Inventors: Aya Saiki, Hidehiro Minashima, Yuzaburo Yano, Noriaki Shiina, Kazuhiro Kodama, Mifuyu Ueno, Takashi Sato, Shinya Nakashima, Masaki Abe
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Patent number: 10053553Abstract: The invention provides a rubber composition prepared by mixing, per 100 parts by mass of a rubber component comprising at least 50% by mass of a diene-based rubber, from 20 to 150 parts by mass of a filler, and from 0.05 to 30 parts by mass of a compound A which has a specific guanidine structure and has a functional group reactive with the diene-based rubber. The rubber composition improves both a high elastic modulus and a low tan ?. The invention also provides a pneumatic tire using the rubber composition.Type: GrantFiled: January 30, 2014Date of Patent: August 21, 2018Assignees: BRIDGESTONE CORPORATION, OTSUKA CHEMICAL CO., LTD.Inventors: Noriaki Yukimura, Takahiro Yoshizawa, Kazuhiro Kodama, Hiroaki Yuasa, Noriaki Shiina, Takashi Sato, Hiroyuki Ishitobi, Mifuyu Ueno, Shinya Nakashima, Masaki Abe