Patents by Inventor Kiyoshi Nishioka

Kiyoshi Nishioka 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).

  • Publication number: 20190088501
    Abstract: A laminate by using a paste or solution containing aliphatic polycarbonates having an etching mask function is provided. A method of producing a laminate of the present invention includes a pattern forming step of forming a pattern 80 of a first oxide precursor layer in which a compound of metal to be oxidized into a metal oxide is dispersed in a solution containing a binder (possibly including inevitable impurities) made of aliphatic polycarbonates on an oxide layer 44 or on the second oxide precursor layer to be oxidized into the oxide layer 44; an etching step of, after the pattern forming step, etching the oxide layer 44 or the second oxide precursor layer that is not protected by the pattern 80; and a heating step of, after the etching step, heating the oxide layer 44 or the second oxide precursor layer, and the first oxide precursor layer to a temperature at which the binder is decomposed or higher.
    Type: Application
    Filed: November 21, 2016
    Publication date: March 21, 2019
    Inventors: Satoshi INOUE, Tatsuya SHIMODA, Kazuhiro FUKADA, Kiyoshi NISHIOKA
  • Publication number: 20190041744
    Abstract: [Problem] Provided is a composite member which can contribute to simple formation and/or increased quality of fine wiring. [Solution] A composite member 100 according to one embodiment of the present invention includes a base material, an aliphatic polycarbonate-containing layer with multiple island-shaped portions arranged on the base material, and a metal ink, wherein at least a surface of the aliphatic polycarbonate-containing layer with multiple island-shaped portions has a contact angle of 50° or more between pure water and the surface when exposed to ultraviolet light including a wavelength of 180 nm or more and 370 nm or less for 15 minutes, and the metal ink is arranged on the base material at at least a portion of a region sandwiched by the precursor layers.
    Type: Application
    Filed: July 21, 2016
    Publication date: February 7, 2019
    Inventors: Satoshi INOUE, Tatsuya SHIMODA, Kazuhiro FUKADA, Kiyoshi NISHIOKA, Masahiro SUZUKI
  • Publication number: 20180371197
    Abstract: Provided is a means capable of realizing a surface-roughening method for modifying the surface of a resin molded article to form a surficial layer, such as a coating or plating, or to impart a function derived from the surface configuration. The method comprises adding a resin composition and performing a post-treatment and is thus simpler and easier than conventional methods. The resin composition is a composition for resin surface roughening that contains an aliphatic polycarbonate and an alkali metal salt.
    Type: Application
    Filed: December 26, 2016
    Publication date: December 27, 2018
    Applicants: SUMITOMO SEIKA CHEMICALS CO., LTD., OSAKA RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Kiyoshi NISHIOKA, Hiroki MAEDA, Kei ISHIKURA, Kimihiro MATSUKAWA, Yukiyasu KASHIWAGI, Masashi SAITOH
  • Publication number: 20180315861
    Abstract: It is an object of the invention to provide a thin film transistor and a method for producing the same, which will easily achieve self-aligned formation of a source/drain region without through processes under a vacuum or a low pressure or with no use of expensive equipment.
    Type: Application
    Filed: April 25, 2018
    Publication date: November 1, 2018
    Inventors: Satoshi INOUE, Tatsuya SHIMODA, Nobutaka FUJIMOTO, Kiyoshi NISHIOKA, Shuichi KARASHIMA
  • Patent number: 10113061
    Abstract: The present invention aims to provide a polyester resin composition capable of producing a molded article having excellent stretchability. The present invention also aims to provide a molded article including the polyester resin composition. The present invention relates to a polyester resin composition including: a polyester resin; and a polyrotaxane that has a cyclic molecule, a linear molecule threading through a cavity of the cyclic molecule in a skewered manner, and capping groups capping both ends of the linear molecule.
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: October 30, 2018
    Assignees: Sumitomo Seika Chemicals Co., Ltd., Advanced Softmaterials Inc.
    Inventors: Kiyoshi Nishioka, Tokushi Koda, Naoyuki Hashimoto
  • Publication number: 20180298238
    Abstract: A pressure sensitive adhesive sheet is provided which comprises a pressure sensitive adhesive layer formed of a pressure sensitive adhesive composition. The pressure sensitive adhesive composition contains an aliphatic polycarbonate and a pressure sensitive adhesive resin other than the aliphatic polycarbonate. The pressure sensitive adhesive sheet can be reduced in the adhesive strength at desired timing by a novel mechanism of action so that the release of an adherend becomes easy. The above pressure sensitive adhesive composition preferably contains an acid/base generator that generates an acid or a base by applying energy.
    Type: Application
    Filed: October 12, 2016
    Publication date: October 18, 2018
    Inventors: Yosuke KOMA, Yutaka NANASHIMA, Yoshitomo ONO, Kiyoshi NISHIOKA, Shizuka HACHIKEN
  • Publication number: 20180298251
    Abstract: A pressure-sensitive adhesive including an aliphatic polycarbonate as an adhesive component, wherein the aliphatic polycarbonate has no carboxylic acid ester bond or urethane bond in the main chain thereof; and a pressure-sensitive adhesive sheet including a pressure-sensitive adhesive layer obtained by using the pressure-sensitive adhesive.
    Type: Application
    Filed: May 6, 2016
    Publication date: October 18, 2018
    Applicants: LINTEC CORPORATION, SUMITOMO SEIKA CHEMICALS CO., LTD.
    Inventors: Kentaro MIYAZAKI, Fuminori IKEDA, Shuichi KARASHIMA, Kiyoshi NISHIOKA, Ryou MIYABARA
  • Publication number: 20180248047
    Abstract: It is an object of the invention to provide a thin film transistor and a method for producing the same, which will easily achieve self-aligned formation of a source/drain region without through processes under a vacuum or a low pressure or with no use of expensive equipment.
    Type: Application
    Filed: April 25, 2018
    Publication date: August 30, 2018
    Inventors: Satoshi INOUE, Tatsuya SHIMODA, Nobutaka FUJIMOTA, Kiyoshi NISHIOKA, Shuichi KARASHIMA
  • Publication number: 20180241077
    Abstract: General Formula (I) Provided is an all solid state secondary-battery additive comprising a polyalkylene carbonate (I) represented by general formula (I), and by providing such additive, properties such as the charge-discharge capacity and interfacial resistance of an all-solid-state secondary battery are improved. (In general formula (I), R1 and R2 are each a C1-10 chain-like alkylene group or C3-10 cycloalkylene group, m is 0, 1, or 2 and n is an integer of 10 to 15000, and each R1, R2 and m in the polyalkylene carbonate (I) chain is independently the same or different.
    Type: Application
    Filed: August 16, 2016
    Publication date: August 23, 2018
    Applicants: OSAKA RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE AND TECHNOLOGY, SUMITOMO SEIKA CHEMICALS CO., LTD.
    Inventors: Masanari Takahashi, Mari Yamamoto, Yasuyuki Kobayashi, Shingo Ikeda, Yukiyasu Kashiwagi, Masashi Saitoh, Shuichi Karashima, Kiyoshi Nishioka, Ryo Miyabara
  • Patent number: 9985137
    Abstract: It is an object of the invention to provide a thin film transistor and a method for producing the same, which will easily achieve self-aligned formation of a source/drain region without through processes under a vacuum or a low pressure or with no use of expensive equipment. An exemplary method for producing a thin film transistor according to the invention includes an aliphatic polycarbonate layer forming step of forming an aliphatic polycarbonate layer 50 that covers a gate electrode layer 40 disposed above a semiconductor layer 20 with a gate insulator 30 being interposed between the gate electrode layer 40 and the semiconductor layer 20, and also covers the semiconductor layer 20, and has a dopant causing the semiconductor layer 20 to become an n-type or p-type semiconductor layer, and a heating step of heating at a temperature causing introduction of the dopant into the semiconductor layer 20 and decomposition of the aliphatic polycarbonate layer 50.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: May 29, 2018
    Assignees: Japan Advanced Institute of Science and Technology, Sumitomo Seika Chemicals Co., Ltd.
    Inventors: Satoshi Inoue, Tatsuya Shimoda, Nobutaka Fujimoto, Kiyoshi Nishioka, Shuichi Karashima
  • Publication number: 20180096853
    Abstract: The etching mask 80 for screen printing according to one embodiment of the present invention includes aliphatic polycarbonate. Further, the method of producing an oxide layer (the channel 44) according to one embodiment of the present invention includes: an etching-mask forming step of forming a pattern of the etching mask 80 including aliphatic polycarbonate; a contact step of, after the etching-mask forming step, contacting the oxide layer with a solution for dissolving a portion of the oxide layer (the channel 44) which is not protected by the etching mask 80; and a heating step of, after the contact step, heating the oxide layer (the channel 44) and the etching mask 80 to or above a temperature at which the etching mask 80 is decomposed.
    Type: Application
    Filed: March 14, 2016
    Publication date: April 5, 2018
    Inventors: Satoshi INOUE, Tatsuya SHIMODA, Kazuhiro FUKADA, Kiyoshi NISHIOKA, Nobutaka FUJIMOTO, Masahiro SUZUKI
  • Publication number: 20180057415
    Abstract: A binder resin composition comprising an aliphatic polycarbonate resin represented by the formula (1): and an end-capped aliphatic polycarbonate resin represented by the formula (2): wherein each of X and Y, which may be identical or different, is a group having at least one functional group selected from a carboxy group, an ester group, a carbamate group, a silicate group, an isocyanate group, an ether group, an acetal group, and a halogen atom at its end; and an inorganic particle-dispersed paste composition containing the resin composition. The binder resin composition of the present invention can be used in general molded articles, optical materials such as films, fibers, optical fibers, and optical disks, thermally decomposable materials such as ceramic binders, and lost foam casting, medicinal materials such as drug capsules, additives for biodegradable resins, main components for biodegradable resins, and the like.
    Type: Application
    Filed: March 2, 2016
    Publication date: March 1, 2018
    Applicant: SUMITOMO SEIKA CHEMICALS CO., LTD.
    Inventors: Kiyoshi NISHIOKA, Masahiro SUZUKI
  • Publication number: 20180030203
    Abstract: A thermally decomposable binder containing an aliphatic polycarbonate resin containing a constituting unit represented by the formula (1): wherein each of R1, R2 and R3, which may be identical or different, is a hydrogen atom, an alkyl group having from 1 to 10 carbon atoms, or an aryl group having from 6 to 20 carbon atoms; and n is 1 or 2. The thermally decomposable binder and the fine inorganic particle-dispersed paste composition, each containing an aliphatic polycarbonate resin of the present invention can be used in general molded articles, optical materials such as films, fibers, optical fibers, and optical disks, thermally decomposable materials such as ceramic binders, and lost foam casting, medicinal materials such as drug capsules, additives for biodegradable resins, main components for biodegradable resins, and the like.
    Type: Application
    Filed: September 2, 2015
    Publication date: February 1, 2018
    Applicants: NATIONAL UNIVERSITY CORPORATION TOKYO UNIVERSITY OF AGRICULTURE AND TECHNOLOGY, SUMITOMO SEIKA CHEMICALS CO., LTD.
    Inventors: Koji NAKANO, Kiyoshi NISHIOKA, Masahiro SUZUKI, Nobutaka FUJIMOTO
  • Patent number: 9842916
    Abstract: The invention provides an oxide semiconductor layer that has less cracks and is excellent in electrical property and stability, as well as a semiconductor element and an electronic device each including the oxide semiconductor layer. The invention provides an exemplary method of producing an oxide semiconductor layer, and the method includes the precursor layer forming step of forming, on or above a substrate, a layered oxide semiconductor precursor including a compound of metal to be oxidized into an oxide semiconductor dispersed in a solution including a binder made of aliphatic polycarbonate, and the annealing step of heating the precursor layer at a first temperature achieving decomposition of 90 wt % or more of the binder, and then annealing the precursor layer at a temperature equal to or higher than a second temperature (denoted by X) that is higher than the first temperature, achieves bonding between the metal and oxygen, and has an exothermic peak value in differential thermal analysis (DTA).
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: December 12, 2017
    Assignees: JAPAN ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, SUMITOMO SEIKA CHEMICALS CO., LTD.
    Inventors: Satoshi Inoue, Tatsuya Shimoda, Tomoki Kawakita, Nobutaka Fujimoto, Kiyoshi Nishioka
  • Publication number: 20170335461
    Abstract: An aliphatic polycarbonate, an oxide precursor, and an oxide layer are provided, which are capable of controlling stringiness, when a thin film that can be employed for an electronic device or a semiconductor element is formed by a printing method. In an oxide precursor of the present invention, a compound of metal to be oxidized into a metal oxide is dispersed in a solution containing a binder (possibly including inevitable impurities) made of aliphatic polycarbonates, and an aliphatic polycarbonate having a molecular weight of 6000 or more and 400000 or less constitutes 80% by mass or more of all the aliphatic polycarbonates.
    Type: Application
    Filed: October 5, 2015
    Publication date: November 23, 2017
    Inventors: Tatsuya SHIMODA, Satoshi INOUE, Kazuhiro FUKADA, Kiyoshi NISHIOKA, Nobutaka FUJIMOTO, Masahiro SUZUKI
  • Patent number: 9783665
    Abstract: This invention provides a polyolefin-based resin composition excellent in mechanical strength and elasticity. The polyolefin-based resin composition comprises a polyolefin-based resin, and, per 100 parts by mass of the polyolefin-based resin, 0.05 to 10 parts by mass of an aliphatic polycarbonate resin and 0.01 to 2 parts by mass of an acid modified polypropylene.
    Type: Grant
    Filed: April 24, 2014
    Date of Patent: October 10, 2017
    Assignee: SUMITOMO SEIKA CHEMICALS CO., LTD.
    Inventors: Nobutaka Fujimoto, Kiyoshi Nishioka, Tomoki Kawakita, Koh-Hei Nitta, Makiko Nakahara
  • Publication number: 20170253733
    Abstract: The present invention provides a polyolefin-based resin composition that has improved resilience while maintaining mechanical strength and stretching properties, as well as a molded article and a polyolefin-based resin film formed from this composition. The polyolefin-based resin composition comprises a polyolefin-based resin, a polyalkylene carbonate resin, and an ionic liquid. The polyolefin-based resin film of the present invention is formed by molding the polyolefin-based resin composition and is stretched at least in a monoaxial direction.
    Type: Application
    Filed: August 18, 2015
    Publication date: September 7, 2017
    Applicants: NATIONAL UNIVERSITY CORPORATION KANAZAWA UNIVERSITY, SUMITOMO SEIKA CHEMICALS CO., LTD.
    Inventors: Koh-hei NITTA, Makiko NAKAHARA, Miho MAE, Kiyoshi NISHIOKA, Nobutaka FUJIMOTO, Masahiro SUZUKI
  • Publication number: 20170198138
    Abstract: The present invention aims to provide a polyester resin composition capable of producing a molded article having excellent stretchability. The present invention also aims to provide a molded article including the polyester resin composition. The present invention relates to a polyester resin composition including: a polyester resin; and a polyrotaxane that has a cyclic molecule, a linear molecule threading through a cavity of the cyclic molecule in a skewered manner, and capping groups capping both ends of the linear molecule.
    Type: Application
    Filed: August 20, 2015
    Publication date: July 13, 2017
    Inventors: Kiyoshi NISHIOKA, Tokushi KODA, Naoyuki HASHIMOTO
  • Publication number: 20170117393
    Abstract: The invention provides an oxide semiconductor layer that has less cracks and is excellent in electrical property and stability, as well as a semiconductor element and an electronic device each including the oxide semiconductor layer. The invention provides an exemplary method of producing an oxide semiconductor layer, and the method includes the precursor layer forming step of forming, on or above a substrate, a layered oxide semiconductor precursor including a compound of metal to be oxidized into an oxide semiconductor dispersed in a solution including a binder made of aliphatic polycarbonate, and the annealing step of heating the precursor layer at a first temperature achieving decomposition of 90 wt % or more of the binder, and then annealing the precursor layer at a temperature equal to or higher than a second temperature (denoted by X) that is higher than the first temperature, achieves bonding between the metal and oxygen, and has an exothermic peak value in differential thermal analysis (DTA).
    Type: Application
    Filed: December 13, 2016
    Publication date: April 27, 2017
    Inventors: Satoshi INOUE, Tatsuya SHIMODA, Tomoki KAWAKITA, Nobutaka FUJIMOTO, Kiyoshi NISHIOKA
  • Patent number: 9552985
    Abstract: The invention provides an oxide semiconductor layer that has less cracks and is excellent in electrical property and stability, as well as a semiconductor element and an electronic device each including the oxide semiconductor layer. The invention provides an exemplary method of producing an oxide semiconductor layer, and the method includes the precursor layer forming step of forming, on or above a substrate, a layered oxide semiconductor precursor including a compound of metal to be oxidized into an oxide semiconductor dispersed in a solution including a binder made of aliphatic polycarbonate, and the annealing step of heating the precursor layer at a first temperature achieving decomposition of 90 wt % or more of the binder, and then annealing the precursor layer at a temperature equal to or higher than a second temperature (denoted by X) that is higher than the first temperature, achieves bonding between the metal and oxygen, and has an exothermic peak value in differential thermal analysis (DTA).
    Type: Grant
    Filed: July 4, 2014
    Date of Patent: January 24, 2017
    Assignees: JAPAN ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY, SUMITOMO SEIKA CHEMICALS CO., LTD.
    Inventors: Satoshi Inoue, Tatsuya Shimoda, Tomoki Kawakita, Nobutaka Fujimoto, Kiyoshi Nishioka