Patents by Inventor Junpei Tanaka
Junpei Tanaka 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: 11905348Abstract: An object of the present invention is to provide a novel ethylene/?-olefin/non-conjugated polyene copolymer containing a certain non-conjugated polyene such as VNB as a copolymerization component, having a low long-chain branching content, excellent in cure characteristics in the case of crosslinking by using peroxide, and having good processability. The ethylene/?-olefin/non-conjugated polyene copolymer according to the present invention has constitutional units derived from ethylene (A), an ?-olefin (B) having 3 to 20 carbon atoms, and a non-conjugated polyene (C) having a total of two or more partial structures selected from the group consisting of the following general formulas (I) and (II) in a molecule, and satisfies certain requirements.Type: GrantFiled: March 20, 2018Date of Patent: February 20, 2024Assignee: MITSUI CHEMICALS, INC.Inventors: Kotaro Ichino, Yoshiharu Kikuchi, Keisuke Shishido, Junpei Tanaka, Mitsunao Arino
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Patent number: 11203215Abstract: A tablet printing apparatus 1 includes an inspection unit 53 determining whether or not the printed tablet T is good product, a good product collecting device 43 collecting the tablet T of the good product from the carrying belt 31a, a defective product collecting device 41 collecting the tablet other than the good product from the carrying belt 31a, a discharge confirming sensor 41c detecting whether or not the tablet other than the good tablet is collected by the defective product collecting device 41, and a re-inspection product collecting device 42 collecting the tablet T other than the good product from the carrying belt 31 a when a collecting operation for collecting the tablet T other than the good product is performed by the defective product collecting device 41, and the discharge confirming sensor 41c detects that the tablet T other than the good tablet is not collected.Type: GrantFiled: September 21, 2020Date of Patent: December 21, 2021Assignee: SHIBAURA MECHATRONICS CORPORATIONInventors: Azusa Hirano, Hironori Haijima, Junpei Tanaka
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Publication number: 20210213726Abstract: A tablet printing apparatus 1 according to embodiments includes an imaging device 23 that images a side surface of a tablet T on which a split line is formed on one surface, a carrying device 21 that carries the tablet T, a printing head device 24 that prints information on the tablet T carried by the carrying device 21, and a controlling device 50 that specifies an angle of the split line based on an image obtained by the imaging device 23, creates a printing data for printing the information in accordance with the split line using the specified angle, and controls the printing head device 24 using the created printing data.Type: ApplicationFiled: March 26, 2021Publication date: July 15, 2021Inventors: Junpei TANAKA, Junsuke KOMITO, Noritsugu TANIO, Yasutsugu TSURUOKA, Azusa HIRANO
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Publication number: 20210094331Abstract: A tablet printing apparatus 1 includes an inspection unit 53 determining whether or not the printed tablet T is good product, a good product collecting device 43 collecting the tablet T of the good product from the carrying belt 31a, a defective product collecting device 41 collecting the tablet other than the good product from the carrying belt 31a, a discharge confirming sensor 41c detecting whether or not the tablet other than the good tablet is collected by the defective product collecting device 41, and a re-inspection product collecting device 42 collecting the tablet T other than the good product from the carrying belt 31 a when a collecting operation for collecting the tablet T other than the good product is performed by the defective product collecting device 41, and the discharge confirming sensor 41c detects that the tablet T other than the good tablet is not collected.Type: ApplicationFiled: September 21, 2020Publication date: April 1, 2021Applicant: SHIBAURA MECHATRONICS CORPORATIONInventors: Azusa HIRANO, Hironori HAIJIMA, Junpei TANAKA
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Publication number: 20210009730Abstract: An object of the present invention is to provide a novel ethylene/?-olefin/non-conjugated polyene copolymer containing a certain non-conjugated polyene such as VNB as a copolymerization component, having a low long-chain branching content, excellent in cure characteristics in the case of crosslinking by using peroxide, and having good processability. The ethylene/?-olefin/non-conjugated polyene copolymer according to the present invention has constitutional units derived from ethylene (A), an ?-olefin (B) having 3 to 20 carbon atoms, and a non-conjugated polyene (C) having a total of two or more partial structures selected from the group consisting of the following general formulas (I) and (II) in a molecule, and satisfies certain requirements.Type: ApplicationFiled: March 20, 2018Publication date: January 14, 2021Applicant: MITSUI CHEMICALS, INC.Inventors: Kotaro ICHINO, Yoshiharu KIKUCHI, Keisuke SHISHIDO, Junpei TANAKA, Mitsunao ARINO
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Patent number: 10864717Abstract: According to one embodiment, a tablet printing apparatus includes: a first rotator having an inner space; a duct configured to communicate with the inner space of the first rotator; a suction pipe configured to suck inside the duct; a second rotator arranged to face the first rotator across the duct; a conveyor belt wrapped around the first rotator and the second rotator; and a print head that performs printing on a tablet held on the conveyor belt. The conveyor belt includes a plurality of suction holes which communicate with the inner space of the first rotator and that of the duct, and are arranged in the rotation direction of the first rotator. The first rotator and the duct constitutes a suction chamber that applies a suction force to those of the suction holes of the conveyor belt located around the outer periphery of the first rotator and the duct.Type: GrantFiled: November 29, 2018Date of Patent: December 15, 2020Assignee: SHIBAURA MECHATRONICS CORPORATIONInventors: Shinichi Ogimoto, Ryo Ikuta, Yutaka Okabe, Hitoshi Aoyagi, Hikaru Hoshino, Azusa Hirano, Toru Kuribayashi, Yasutsugu Tsuruoka, Junpei Tanaka
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Patent number: 10856364Abstract: The heat generating apparatus according to the present invention includes: a positive temperature coefficient thermistor heat generating element including an electrode layer; a first electrode terminal; a second electrode terminal; a holder configured to house the positive temperature coefficient thermistor heat generating element; and a heat conductive sheet, in which the heat conductive sheet includes a graphite particle and a polymer compound, a major axis direction of the graphite particle is substantially orthogonal to the surface of the positive temperature coefficient thermistor heat generating element, and the positive temperature coefficient thermistor heat generating element and the holder are assembled in a state in which they are biased so as to apply pressure to the heat conductive sheet.Type: GrantFiled: June 26, 2018Date of Patent: December 1, 2020Assignee: KURABE INTERNATIONAL CO. LTD.Inventors: Hironori Watanabe, Kazuya Kokubo, Muneaki Ikuma, Junpei Tanaka
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Publication number: 20200163163Abstract: The heat generating apparatus according to the present invention includes: a positive temperature coefficient thermistor heat generating element including an electrode layer; a first electrode terminal; a second electrode terminal; a holder configured to house the positive temperature coefficient thermistor heating generating element; and a heat conductive sheet, in which the heat conductive sheet includes a graphite particle and a polymer compound, a major axis direction of the graphite particle is substantially orthogonal to the surface of the positive temperature coefficient thermistor heat generating element, and the positive temperature coefficient thermistor heat generating element and the holder are assembled in a state in which they are biased so as to apply pressure to the heat conductive sheet.Type: ApplicationFiled: June 26, 2018Publication date: May 21, 2020Inventors: Hironori WATANABE, Kazuya KOKUBO, Muneaki IKUMA, Junpei TANAKA
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Publication number: 20190091990Abstract: According to one embodiment, a tablet printing apparatus includes: a first rotator having an inner space; a duct configured to communicate with the inner space of the first rotator; a suction pipe configured to suck inside the duct; a second rotator arranged to face the first rotator across the duct; a conveyor belt wrapped around the first rotator and the second rotator; and a print head that performs printing on a tablet held on the conveyor belt. The conveyor belt includes a plurality of suction holes which communicate with the inner space of the first rotator and that of the duct, and are arranged in the rotation direction of the first rotator. The first rotator and the duct constitutes a suction chamber that applies a suction force to those of the suction holes of the conveyor belt located around the outer periphery of the first rotator and the duct.Type: ApplicationFiled: November 29, 2018Publication date: March 28, 2019Applicant: SHIBAURA MECHATRONICS CORPORATIONInventors: Shinichi OGIMOTO, Ryo IKUTA, Yutaka OKABE, Hitoshi AOYAGI, Hikaru HOSHINO, Azusa HIRANO, Toru KURIBAYASHI, Yasutsugu TSURUOKA, Junpei TANAKA
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Patent number: 9944728Abstract: The purpose of the present invention is to provide a method for efficiently producing an olefin (co)polymer containing a constituent unit derived from 1-butene, the (co)polymer having a molecular weight that is sufficiently high even for high temperature conditions that are beneficial for industrial production methods.Type: GrantFiled: September 10, 2015Date of Patent: April 17, 2018Assignee: MITSUI CHEMICALS, INC.Inventors: Ikuko Ebisawa, Masahiro Yamashita, Takashi Yukita, Junichi Mohri, Junpei Tanaka, Noriko Kai
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Publication number: 20170275396Abstract: The purpose of the present invention is to provide a method for efficiently producing an olefin (co)polymer containing a constituent unit derived from 1-butene, the (co)polymer having a molecular weight that is sufficiently high even for high temperature conditions that are beneficial for industrial production methods.Type: ApplicationFiled: September 10, 2015Publication date: September 28, 2017Applicant: MITSUI CHEMICALS, INC.Inventors: Ikuko EBISAWA, Masahiro YAMASHITA, Takashi YUKITA, Junichi MOHRI, Junpei TANAKA, Noriko KAI
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Patent number: 8017705Abstract: Disclosed is a method for producing a syndiotactic propylene polymer having a syndiotactic pentad fraction (rrrr fraction) of not less than 85%, a melting point (Tm) within the range of 145-170° C. and a limiting viscosity [?] within the range of 0.1-10 dl/g by a solution polymerization method using a group 4 crosslinked metallocene compound, which is not accompanied by precipitation of a polymer (excluding white turbidity). Also disclosed is a production method which enables to continuously perform such a production.Type: GrantFiled: November 16, 2007Date of Patent: September 13, 2011Assignee: Mitsui Chemicals, Inc.Inventors: Tomohiro Yamaguchi, Junpei Tanaka, Shiro Otsuzuki, Yasushi Tohi, Kouji Nagahashi, Nobukazu Yamahira, Shigenobu Ikenaga, Sunil Krzysztof Moorthi, Kazunori Kamio
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Publication number: 20100069588Abstract: It is an object of the present invention to provide a process for producing a syndiotactic propylene polymer with high polymerization activity and high efficiency by a solution polymerization method without deposition of polymers (excluding a white state), and a production process capable of conducting the above production continuously, provided that these processes could not be attained conventionally. The present invention is: a process for producing a syndiotactic propylene polymer having a syndiotactic pentad fraction (rrrr fraction), as measured by 13C-NMR, of at least 85%, a melting point (Tm), as measured by DSC, of from 145° C. to 170° C., and an intrinsic viscosity [?] of 0.1 to 10 dl/g, which process comprises a step (P1) of solution polymerizing propylene singly or propylene and at least one monomer selected from ethylene and an ?-olefin having 4 to 10 carbon atoms at a polymerization temperature (TR) of from 30° C. to 250° C.Type: ApplicationFiled: November 16, 2007Publication date: March 18, 2010Inventors: Tomohiro Yamaguchi, Junpei Tanaka, Shiro Otsuzuki, Yasushi Tohi, Kouji Nagahashi, Nobukazu Yamahira, Shigenobu Ikenaga, Sunil Krzysztof Moorthi, Kazunori Kamio