Patents by Inventor Mitsuharu Kitamura
Mitsuharu Kitamura 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: 20240140890Abstract: A production method for producing a target compound represented by the following formula (1), the production method including: a step (A) of subjecting a mixed liquid containing a starting compound represented by the following formula (2) and a solvent to a hydrogenation reduction in the presence of a catalyst having hydrogenation ability, wherein, in the step (A), water is removed from the reaction system: wherein R represents H, CH3, or C2H5, wherein R represents H, CH3, or C2H5, and R1 represents CH3, C2H5, C3H7, or C4H9.Type: ApplicationFiled: March 30, 2022Publication date: May 2, 2024Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventor: Mitsuharu KITAMURA
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Patent number: 11530994Abstract: An X-ray imaging system including: an X-ray Talbot imaging apparatus which is provided with an object table, an X-ray source, a plurality of gratings, and an X-ray detector side by side in a direction of an X-ray radiation axis, and irradiates the X-ray detector with an X-ray from the X-ray source through an object and the plurality of gratings to obtain a moire image required for forming a reconstruction image of the object; and an object housing inside which the object is housed and an environmental condition independent of an external environment is set, wherein the object housing is provided detachably with respect to the object table.Type: GrantFiled: June 24, 2020Date of Patent: December 20, 2022Assignee: KONICA MINOLTA, INC.Inventors: Mitsuharu Kitamura, Yasunori Tsuboi
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Patent number: 11225453Abstract: A method for producing tricyclo[5.2.1.02,6]decane-2-carboxylate according to the present invention is a method for producing tricyclo[5.2.1.02,6]decane-2-carboxylate, containing reacting tricyclo[5.2.1.02,6]deca-3-ene in a dilute solution containing the tricyclo[5.2.1.02,6]deca-3-ene with carbon monoxide in the presence of an acid catalyst, followed by reaction with an alcohol, wherein the dilute solution contains 100 parts by mass or more of a tricyclo[5.2.1.02,6]decane isomer mixture based on 100 parts by mass of the tricyclo[5.2.1.02,6]deca-3-ene, the tricyclo[5.2.1.02,6]decane isomer mixture contains endo-tricyclo[5.2.1.02,6]decane (Endo form of TCD) and exo-tricyclo[5.2.1.02,6]decane (Exo form of TCD), and a constituent ratio thereof (Endo form of TCD/Exo form of TCD) is greater than 1.0.Type: GrantFiled: February 12, 2019Date of Patent: January 18, 2022Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Shiori Shinagawa, Mitsuharu Kitamura, Shinichi Nagao, Ken Sugito
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Patent number: 11162908Abstract: Provided is a quality inspection method in which an inner state of a three-dimensional laminated molding can be quickly and easily inspected without destroying the three-dimensional laminated molding. To this end, the quality inspection method uses an X-ray Talbot imaging system 1 which creates a reconstructed image of an inspection object on the basis of a moire image obtained by using an X-ray detector to read X-rays which, after being radiated from an X-ray source 11a, have passed through: a plurality of grids in which a plurality of slits S are arranged in a direction perpendicular to the radiation axis direction of the X-ray; and an inspection object H placed on a subject table 13. The inspection object H is a three-dimensional laminated molding formed into a three-dimensional shape by laminating multiple layers of constituent materials.Type: GrantFiled: March 30, 2018Date of Patent: November 2, 2021Assignee: Konica Minolta, Inc.Inventors: Keisuke Mizoguchi, Mitsuharu Kitamura, Kenji Goto
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Patent number: 11098267Abstract: A perfume composition containing a compound represented by the following formula (1): wherein R1, R2 and R3 are independently hydrogen or a methyl group, X is an alkyl group having 1 to 4 carbon atoms, R4 and R5 are independently hydrogen or a —CHO group, and AA is a single bond or a double bond, has an excellent aroma and aroma persistence useful as a compound perfume material.Type: GrantFiled: May 22, 2020Date of Patent: August 24, 2021Assignee: Mitsubishi Gas Chemical Company, Inc.Inventor: Mitsuharu Kitamura
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Publication number: 20210107858Abstract: A method for producing tricyclo[5.2.1.02,6]decane-2-carboxylate according to the present invention is a method for producing tricyclo[5.2.1.02,6]decane-2-carboxylate, containing reacting tricyclo[5.2.1.02,6]deca-3-ene in a dilute solution containing the tricyclo[5.2.1.02,6]deca-3-ene with carbon monoxide in the presence of an acid catalyst, followed by reaction with an alcohol, wherein the dilute solution contains 100 parts by mass or more of a tricyclo[5.2.1.02,6]decane isomer mixture based on 100 parts by mass of the tricyclo[5.2.1.02,6]deca-3-ene, the tricyclo[5.2.1.02,6]decane isomer mixture contains endo-tricyclo[5.2.1.02,6]decane (Endo form of TCD) and exo-tricyclo[5.2.1.02,6]decane (Exo form of TCD), and a constituent ratio thereof (Endo form of TCD/Exo form of TCD) is greater than 1.0.Type: ApplicationFiled: February 12, 2019Publication date: April 15, 2021Applicant: Mitsubishi Gas Chemical Company, Inc.Inventors: Shiori SHINAGAWA, Mitsuharu KITAMURA, Shinichi NAGAO, Ken SUGITO
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Publication number: 20210109038Abstract: Provided is a quality inspection method in which an inner state of a three-dimensional laminated molding can be quickly and easily inspected without destroying the three-dimensional laminated molding. To this end, the quality inspection method uses an X-ray Talbot imaging system 1 which creates a reconstructed image of an inspection object on the basis of a moire image obtained by using an X-ray detector to read X-rays which, after being radiated from an X-ray source 11a, have passed through: a plurality of grids in which a plurality of slits S are arranged in a direction perpendicular to the radiation axis direction of the X-ray; and an inspection object H placed on a subject table 13. The inspection object H is a three-dimensional laminated molding formed into a three-dimensional shape by laminating multiple layers of constituent materials.Type: ApplicationFiled: March 30, 2018Publication date: April 15, 2021Applicant: Konica Minolta, Inc.Inventors: Keisuke MIZOGUCHI, Mitsuharu KITAMURA, Kenji GOTO
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Patent number: 10889684Abstract: A polyester resin having a diol constitutional unit and a dicarboxylic acid constitutional unit, wherein 20 to 100 mol % of the diol constitutional unit is a constitutional unit derived from a diol having a dinorbornane ring; a glass transition temperature of the polyester resin is 90° C. or higher; an amount of heat of a crystallization exothermic peak in temperature drop of the polyester resin is 5 J/g or less; and a yellow index (YI) value as measured by a reflection method according to JIS K 7103 is 10 or less.Type: GrantFiled: September 12, 2016Date of Patent: January 12, 2021Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INCInventors: Yuichiro Satake, Yasuaki Yoshimura, Eiichi Honda, Takashi Motoi, Mitsuharu Kitamura
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Patent number: 10852255Abstract: An X-ray imaging system includes: an X-ray Talbot imaging device that has an object table, an X-ray source, a plurality of gratings, and an X-ray detector, and irradiates the X-ray detector with an X-ray from the X-ray source through an object and the plurality of gratings to acquire a moiré image necessary for generation of a reconstructed image of the object; and a tester that is installed on the object table, holds the object, and loads a tensile load or a compressive load on the object, wherein the X-ray Talbot imaging device includes a hardware processor that causes a series of imaging to be performed to acquire the moiré image, the tester includes: a base part; and a chuck, and an operation of the chuck is automatically controllable by the hardware processor in conjunction with the X-ray Talbot imaging device.Type: GrantFiled: November 30, 2018Date of Patent: December 1, 2020Assignee: KONICA MINOLTA, INC.Inventors: Yasunori Tsuboi, Mitsuharu Kitamura
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Publication number: 20200319120Abstract: An X-ray imaging system including: an X-ray Talbot imaging apparatus which is provided with an object table, an X-ray source, a plurality of gratings, and an X-ray detector side by side in a direction of an X-ray radiation axis, and irradiates the X-ray detector with an X-ray from the X-ray source through an object and the plurality of gratings to obtain a moire image required for forming a reconstruction image of the object; and an object housing inside which the object is housed and an environmental condition independent of an external environment is set, wherein the object housing is provided detachably with respect to the object table.Type: ApplicationFiled: June 24, 2020Publication date: October 8, 2020Inventors: Mitsuharu KITAMURA, Yasunori TSUBOI
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Publication number: 20200283696Abstract: A perfume composition containing a compound represented by the following formula (1): wherein R1, R2 and R3 are independently hydrogen or a methyl group, X is an alkyl group having 1 to 4 carbon atoms, R4 and R5 are independently hydrogen or a —CHO group, and AA is a single bond or a double bond, has an excellent aroma and aroma persistence useful as a compound perfume material.Type: ApplicationFiled: May 22, 2020Publication date: September 10, 2020Applicant: Mitsubishi Gas Chemical Company, Inc.Inventor: Mitsuharu KITAMURA
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Patent number: 10732133Abstract: An X-ray imaging system including: an X-ray Talbot imaging apparatus which is provided with an object table, an X-ray source, a plurality of gratings, and an X-ray detector side by side in a direction of an X-ray radiation axis, and irradiates the X-ray detector with an X-ray from the X-ray source through an object and the plurality of gratings to obtain a moire image required for forming a reconstruction image of the object; and an object housing inside which the object is housed and an environmental condition independent of an external environment is set, wherein the object housing is provided detachably with respect to the object table.Type: GrantFiled: November 19, 2018Date of Patent: August 4, 2020Assignee: KONICA MINOLTA, INC.Inventors: Mitsuharu Kitamura, Yasunori Tsuboi
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Patent number: 10695019Abstract: An X-ray imaging system includes an X-ray Talbot imaging apparatus and an image processing apparatus. The image processing apparatus generates reconstruction images from the moire image taken by the X-ray Talbot imaging apparatus. The reconstruction images include a differential phase image, an absorption image and a small-angle scattering image. The X-ray imaging system performs X-ray Talbot imaging and normal X-ray imaging. X-ray Talbot imaging includes setting an exposure energy of the X-ray Talbot imaging apparatus to a first exposure energy and taking the moire image with the X-ray detector. Normal X-ray imaging includes setting the exposure energy of the X-ray Talbot imaging apparatus to a second exposure energy and taking an absorption contrast image with the X-ray detector by normal X-ray imaging.Type: GrantFiled: January 25, 2019Date of Patent: June 30, 2020Assignee: KONICA MINOLTA, INC.Inventor: Mitsuharu Kitamura
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Patent number: 10605956Abstract: The present invention addresses the problem of providing a resin having a high Abbe number and a small difference in hygroscopic expansion coefficient with respect to a polycarbonate resin having a low Abbe number and a high refractive index. The above problem can be solved by a polycarbonate resin including structural units represented by general formula (1). In general formula (1), R represents H, CH3, or C2H5.Type: GrantFiled: July 9, 2018Date of Patent: March 31, 2020Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Noriyuki Kato, Manabu Hirakawa, Takashi Motoi, Mitsuharu Kitamura
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Patent number: 10513485Abstract: A process for producing a polycarbonate resin by reacting raw materials of a bifunctional compound and diphenyl carbonate, where the bifunctional compound is an isomer mixture of: a 2,6-derivative of a bifunctional compound of formula (3-a): and a 2,7-derivative of a bifunctional compound of formula (3-b): where R2 in formulae (3-a) and (3-b) is, independently, H, CH3 or C2H5, and where the mixing ratio between the 2,6-derivative and the 2,7-derivative is 30:70 to 70:30.Type: GrantFiled: April 3, 2019Date of Patent: December 24, 2019Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Takashi Motoi, Mitsuharu Kitamura, Manabu Hirakawa
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Publication number: 20190261935Abstract: An X-ray imaging system includes an X-ray Talbot; imaging apparatus and an image processing apparatus. The image processing apparatus generates reconstruction images from the moire image taken by the X-ray Talbot imaging apparatus. The reconstruction images include a differential phase image, an absorption image and a small-angle scattering image. The X-ray imaging system performs X-ray Talbot imaging and normal X-ray imaging. X-ray Talbot imaging includes setting an exposure energy of the X-ray Talbot imaging apparatus to a first exposure energy and taking the moire image with the X-ray detector. Normal X-ray imaging includes setting the exposure energy of the X-ray Talbot imaging apparatus to a second exposure energy and taking an absorption contrast image with the X-ray detector by normal X-ray imaging.Type: ApplicationFiled: January 25, 2019Publication date: August 29, 2019Inventor: Mitsuharu KITAMURA
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Publication number: 20190241833Abstract: A perfume composition containing a compound represented by the following formula (1): wherein R1, R2 and R3 are independently hydrogen or a methyl group, X is an alkyl group having 1 to 4 carbon atoms, R4 and R5 are independently hydrogen or a —CHO group, and AA is a single bond or a double bond, has an excellent aroma and aroma persistence useful as a compound perfume material.Type: ApplicationFiled: August 28, 2017Publication date: August 8, 2019Applicant: Mitsubishi Gas Chemical Company, Inc.Inventor: Mitsuharu KITAMURA
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Publication number: 20190225571Abstract: The present invention is able to provide a bifunctional compound represented by formula (1). (In the formula, R1 represents COOCH3, COOC2H5, COOC3H7, COOC4H9 or CHO; and R2 represents H, CH3 or C2H5.Type: ApplicationFiled: April 3, 2019Publication date: July 25, 2019Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Takashi MOTOI, Mitsuharu KITAMURA, Manabu HIRAKAWA
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Patent number: 10343973Abstract: A method for producing a bifunctional compound of formula (3) wherein R2 represents H, CH3 or C2H5, the method comprising reducing a bifunctional compound of formula (1): wherein R1 represents COOCH3, COOC2H5, COOC3H7, COOC4H9, or CHO; and R2 represents H, CH3 or C2H5, provided that when R1 represents CHO, R2 represents C2H5, in the presence of a catalyst having hydrogenation activity and hydrogen.Type: GrantFiled: October 25, 2018Date of Patent: July 9, 2019Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.Inventors: Takashi Motoi, Mitsuharu Kitamura, Manabu Hirakawa
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Publication number: 20190170668Abstract: An X-ray imaging system including: an X-ray Talbot imaging apparatus which is provided with an object table, an X-ray source, a plurality of gratings, and an X-ray detector side by side in a direction of an X-ray radiation axis, and irradiates the X-ray detector with an X-ray from the X-ray source through an object and the plurality of gratings to obtain a moire image required for forming a reconstruction image of the object; and an object housing inside which the object is housed and an environmental condition independent of an external environment is set, wherein the object housing is provided detachably with respect to the object table.Type: ApplicationFiled: November 19, 2018Publication date: June 6, 2019Inventors: Mitsuharu KITAMURA, Yasunori TSUBOI