Patents Assigned to Research Institute of Industrial Science & Technology
  • Patent number: 11046787
    Abstract: Provided are a polylactide-grafted cellulose nanofiber that is suitable as a molding material, and a production method thereof. A polylactide-grafted cellulose nanofiber includes grafted cellulose having a graft chain bonding to cellulose constituting a cellulose nanofiber, wherein the graft chain is a polylactide, and a ratio of an absorbance derived from C?O of the polylactide to an absorbance derived from O—H of the cellulose on an infrared absorption spectrum is no less than 0.01 and no greater than 1,000. In addition, a production method of a polylactide-grafted cellulose nanofiber includes carrying out graft polymerization of a lactide to cellulose constituting a cellulose nanofiber in the presence of an organic polymerization catalyst which includes an amine and a salt obtained by reacting the amine with an acid. As the organic polymerization catalyst, 4-dimethylaminopyridine and 4-dimethylaminopyridinium triflate are preferred.
    Type: Grant
    Filed: May 9, 2018
    Date of Patent: June 29, 2021
    Assignees: OSAKA RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE AND TECHNOLOGY, DAIO PAPER CORPORATION
    Inventors: Joji Kadota, Yasuyuki Agari, Hiroshi Hirano, Akinori Okada, Takaaki Imai
  • Publication number: 20210187614
    Abstract: A copper alloy powder is a copper alloy powder for additive manufacturing. The copper alloy powder contains more than 1.00 mass % and not more than 2.80 mass % of chromium, and a balance of copper. A method for producing an additively-manufactured article includes a first step of preparing a copper alloy powder containing more than 1.00 mass % and not more than 2.80 mass % of chromium and a balance of copper and a second step of producing the additively-manufactured article from the copper alloy powder, and the additively-manufactured article is produced such that forming a powder layer including the copper alloy powder, and solidifying the copper alloy powder at a predetermined position in the powder layer to form a shaped layer are sequentially repeated to stack such shaped layers to thus produce the additively-manufactured article.
    Type: Application
    Filed: March 4, 2021
    Publication date: June 24, 2021
    Applicants: DAIHEN CORPORATION, Osaka Research Institute of Industrial Science and Technology
    Inventors: Ryusuke TSUBOTA, Yohei OKA, Akira OKAMOTO, Takayuki NAKAMOTO, Takahiro SUGAHARA, Naruaki SHINOMIYA, Mamoru TAKEMURA, Sohei UCHIDA
  • Publication number: 20210187902
    Abstract: The present invention is a laminate: with which differences in the thermal expansion coefficient at interfaces between different materials in the interior of a semiconductor element or the like can be kept small; which has high heat resistance; and which has high thermal conductivity. This laminate is provided with at least two layers of thermal expansion-controlling members, the thermal expansion-controlling members including a thermally conductive first inorganic filler joined to one end of a first coupling agent, and a thermally conductive second inorganic filler joined to one end of a second coupling agent; the other end of the first coupling agent and the other end of the second coupling agent are respectively joined to a polymerizable compound, or joined to one another; and the thermal expansion-controlling members have thermal expansion coefficients that are respectively different.
    Type: Application
    Filed: February 28, 2017
    Publication date: June 24, 2021
    Applicants: JNC CORPORATION, OSAKA RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Takeshi FUJIWARA, Jyunichi INAGAKI, Yasuyuki AGARI, Hiroshi HIRANO, Joji KADOTA, Akinori OKADA
  • Patent number: 10981226
    Abstract: A copper alloy powder is a copper alloy powder for additive manufacturing. The copper alloy powder contains more than 1.00 mass % and not more than 2.80 mass % of chromium, and a balance of copper. A method for producing an additively-manufactured article includes a first step of preparing a copper alloy powder containing more than 1.00 mass % and not more than 2.80 mass % of chromium and a balance of copper and a second step of producing the additively-manufactured article from the copper alloy powder, and the additively-manufactured article is produced such that forming a powder layer including the copper alloy powder, and solidifying the copper alloy powder at a predetermined position in the powder layer to form a shaped layer are sequentially repeated to stack such shaped layers to thus produce the additively-manufactured article.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: April 20, 2021
    Assignees: DAIHEN CORPORATION, Osaka Research Institute of Industrial Science and Technology
    Inventors: Ryusuke Tsubota, Yohei Oka, Akira Okamoto, Takayuki Nakamoto, Takahiro Sugahara, Naruaki Shinomiya, Mamoru Takemura, Sohei Uchida
  • Patent number: 10975396
    Abstract: The present invention provides a D-glucaric acid-producing bacterium and a method for producing D-glucaric acid. The present invention is characterized in that D-glucaric acid or a salt thereof is produced from one or more saccharides selected from the group consisting of D-glucose, D-gluconic acid and D-glucuronic acid with catalytic action of a specific alcohol dehydrogenase PQQ-ADH (1) and a specific aldehyde dehydrogenase PQQ-ALDH (2), and that D-glucaric acid or a salt thereof is produced by using a microorganism having the PQQ-ADH (1) and the PQQ-ALDH (2) or a processed product thereof in the presence of the one or more saccharides. The present invention can provide a microorganism having improved productivity of D-glucaric acid to be used for production of D-glucaric acid and a method for efficiently producing D-glucaric acid.
    Type: Grant
    Filed: June 3, 2013
    Date of Patent: April 13, 2021
    Assignees: Ensuiko Sugar Refining Co., Ltd., Osaka Research Institute of Industrial Science and Technology
    Inventors: Tetsuya Ito, Hiroki Tadokoro, Hisaharu Masaki, Katsuhiko Mikuni, Hiromi Murakami, Taro Kiso, Takaaki Kiryu
  • Patent number: 10969312
    Abstract: Provided are a striking device and a natural frequency measuring device capable of simply and accurately measuring a natural frequency of a system including force detector. The striking device includes an arm capable of swinging around a spindle, and a steel ball arranged in an end part of the arm on a side opposite to the spindle. The spindle is supported by a supporting part capable of lifting up and down relative to a post erected on a magnet stand. A supporting part for supporting a supporting plate is arranged at a position in the post and above the supporting part. A permanent magnet is placed above the supporting plate. The steel ball falls down in an arc shape from a standby height position when the permanent magnet is removed.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: April 6, 2021
    Assignees: SHIMADZU CORPORATION, Osaka Research Institute of Industrial Science and Technology, City of Nagoya, AKITA PREFECTURE
    Inventors: Tadaoki Takii, Masaki Nishimura, Satoshi Taniguchi, Mitsuhiko Kimura, Norifumi Kasai
  • Publication number: 20210017124
    Abstract: Provided is a compound that thickens a fluid organic material to a desired viscosity and uniformly stabilizes composition thereof. A compound of the present invention is represented by Formula (1): where R1 represents a monovalent linear aliphatic hydrocarbon group having from 10 to 25 carbons; R2 and R3 are the same or different, representing a divalent aliphatic hydrocarbon group having 2, 4, 6, or 8 carbons, a divalent alicyclic hydrocarbon group having 6 carbons, or a divalent aromatic hydrocarbon group; R4 represents a divalent aliphatic hydrocarbon group having from 1 to 8 carbon(s); R5 and R6 are the same or different, representing a monovalent aliphatic hydrocarbon group having from 1 to 3 carbon(s) or a hydroxyalkylether group L1 to L3 represent an amide bond; in a case where L1 and L3 are —CONH—, L2 is —NHCO—, and in a case where L1 and L3 are —NHCO—, L2 is —CONH—.
    Type: Application
    Filed: March 18, 2019
    Publication date: January 21, 2021
    Applicants: DAICEL CORPORATION, OSAKA RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Youji SUZUKI, Rie KAKEHASHI, Naoji TOKAI
  • Patent number: 10843260
    Abstract: A metal powder contains not less than 0.10 mass % and not more than 1.00 mass % of at least one of chromium and silicon, and a balance of copper. The total content of the chromium and the silicon is not more than 1.00 mass %. In accordance with an additive manufacturing method for this metal powder, an additively-manufactured article made from a copper alloy is provided. The additively-manufactured article has both an adequate mechanical strength and an adequate electrical conductivity.
    Type: Grant
    Filed: May 11, 2016
    Date of Patent: November 24, 2020
    Assignees: DAIHEN CORPORATION, OSAKA RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Ryusuke Tsubota, Jyunichi Tanaka, Yohei Oka, Takayuki Nakamoto, Takahiro Sugahara, Mamoru Takemura, Sohei Uchida
  • Patent number: 10822324
    Abstract: The present invention relates to a method for selectively separating propylene carbonate by adding water to reaction products comprising a polyether carbonate polyol and propylene carbonate, which are generated from a polymerization reaction of propylene oxide and carbon dioxide under a double metal cyanide (DMC) catalyst, wherein an economical and effective separation of propylene carbonate can be achieved.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: November 3, 2020
    Assignees: POSCO, RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    Inventors: Joon-Hyun Baik, Jae-Hee Ha
  • Patent number: 10759671
    Abstract: The present invention relates to a method for manufacturing lithium hydroxide and lithium carbonate, and a device therefor.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: September 1, 2020
    Assignee: RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    Inventors: Sung Kook Park, Kwang Seok Park, Sang Gil Lee, Woo Chul Jung, Ki Young Kim, Hyun Woo Lee
  • Patent number: 10756383
    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: Grant
    Filed: August 16, 2016
    Date of Patent: August 25, 2020
    Assignees: 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: 10752755
    Abstract: This invention is a composition capable of forming a heat-dissipating member that has high heat resistance and high thermal conductivity. This composition for a heat-dissipating member comprises a thermally conductive first inorganic filler bonded to one end of a first coupling agent, and a thermally conductive second inorganic filler bonded to one end of a second coupling agent, the composition being characterized in that: the other end of the first coupling agent and the other end of the second coupling agent are each bonded to a bifunctional or higher silsesquioxane by a curing treatment, as illustrated in FIG. 2; or at least one of the first coupling agent and the second coupling agent includes, in the structure thereof, a silsesquioxane, and the other end of the first coupling agent and the other end of the second coupling agent are bonded together as illustrated in FIG. 3.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: August 25, 2020
    Assignees: JNC CORPORATION, OSAKA RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Takeshi Fujiwara, Takayuki Hattori, Jyunichi Inagaki, Takafumi Kuninobu, Kazuhiro Takizawa, Yasuyuki Agari, Hiroshi Hirano, Joji Kadota, Akinori Okada
  • Patent number: 10679922
    Abstract: The inventions are: a composition capable of forming a heat-dissipating member that has high thermal conductivity and in which the thermal expansion coefficient can be controlled; and a heat-dissipating member. This composition for a heat-dissipating member comprises a thermally conductive first inorganic filler bonded to one end of a first coupling agent, and a thermally conductive second inorganic filler bonded to one end of a second coupling agent, the composition being characterized in that: at least one of the first coupling agent and the second coupling agent is a liquid crystal silane coupling agent; the other end of the first coupling agent and the other end of the second coupling agent each have a functional group bondable with one another; and the other end of the first coupling agent bonds with the other end of the second coupling agent by a curing treatment.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: June 9, 2020
    Assignees: JNC CORPORATION, OSAKA RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Takeshi Fujiwara, Jyunichi Inagaki, Masako Hinatsu, Yasuyuki Agari, Hiroshi Hirano, Joji Kadota, Akinori Okada
  • Patent number: 10661227
    Abstract: The present invention relates to a method for producing lithium hydroxide and lithium carbonate, wherein the lithium hydroxide and the lithium carbonate can be produced by a series of steps of: performing bipolar electrodialysis of a lithium-containing solution from which divalent ion impurities have been removed; concentrating lithium in the lithium-containing solution and at the same time, converting the lithium to lithium hydroxide; and carbonating the lithium hydroxide to obtain lithium carbonate.
    Type: Grant
    Filed: May 11, 2016
    Date of Patent: May 26, 2020
    Assignee: RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    Inventors: Sung Kook Park, Kwang Seok Park, Sang Gil Lee, Woo Chul Jung, Ki Young Kim, Hyun Woo Lee
  • Publication number: 20200123275
    Abstract: Provided are a polylactide-grafted cellulose nanofiber that is suitable as a molding material, and a production method thereof. A polylactide-grafted cellulose nanofiber includes grafted cellulose having a graft chain bonding to cellulose constituting a cellulose nanofiber, wherein the graft chain is a polylactide, and a ratio of an absorbance derived from C?O of the polylactide to an absorbance derived from O—H of the cellulose on an infrared absorption spectrum is no less than 0.01 and no greater than 1,000. In addition, a production method of a polylactide-grafted cellulose nanofiber includes carrying out graft polymerization of a lactide to cellulose constituting a cellulose nanofiber in the presence of an organic polymerization catalyst which includes an amine and a salt obtained by reacting the amine with an acid. As the organic polymerization catalyst, 4-dimethylaminopyridine and 4-dimethylaminopyridinium triflate are preferred.
    Type: Application
    Filed: May 9, 2018
    Publication date: April 23, 2020
    Applicants: OSAKA RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE AND TECHNOLOGY, DAIO PAPER CORPORATION
    Inventors: Joji Kadota, Yasuyuki Agari, Hiroshi Hirano, Akinori Okada, Takaaki Imai
  • Patent number: 10619228
    Abstract: The present invention relates to an aluminum-magnesium coated steel plate using vacuum coating, wherein an aluminum-magnesium coating layer is constituted by 1 to 45 wt % of magnesium, a balance of aluminum, and other inevitable impurities, and an Al3Mg2 alloy phase is formed in the aluminum-magnesium coating layer by performing heat treatment of the steel plate.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: April 14, 2020
    Assignees: POSCO, RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    Inventors: Ji Hoon Yang, Jae In Jeong, Tae-Yeob Kim, Yonghwa Jung
  • Patent number: 10601035
    Abstract: A method of manufacturing core-shell particles comprises: filling a buffer into a rotor, which is extended in a longitudinal direction, and is accommodated so as to be spaced apart from an inner wall side of a non-rotational hollow cylinder extended in a longitudinal direction and then discharging air to outside; rotating the rotor after terminating the filling; forming a core-shell precursor by supplying raw materials from a first storage and a second storage, which comprise a material forming a core, into an interior of the cylinder in which the rotor rotates; supplying a shell material for coating the core to the interior of the cylinder in which a core-type precursor is formed; separating a liquid comprising core-shell particles formed through the supplying into a solid and a liquid; and drying the core-shell particles obtained through the separating.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: March 24, 2020
    Assignees: POSCO, RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    Inventors: Jong Pal Hong, Jung Hoon Song, Geun Hwangbo, Gyeong Rye Choi
  • Patent number: 10576556
    Abstract: Provided is a cutter apparatus for machining a difficult-to-machine material, the cutter apparatus including: a cutting tool body which has a fastening portion formed at a center thereof; one or more cutters which are installed on the cutting tool body, and have superhard insert tips fixed to end portions thereof, respectively; and an angle adjusting unit which is installed in an internal space of the cutters, and adjusts angles of the cutters by spreading or retracting the cutters, so that angles of the cutters may be easily adjusted in accordance with a condition for cutting a difficult-to-machine material, in order to prevent damage to the superhard insert tips when machining a difficult-to-machine material having high hardness and high toughness.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: March 3, 2020
    Assignees: POSCO, Research Institute of Industrial Science and Technology
    Inventors: Kwang Soo Park, Sook Hwan Kim
  • Patent number: 10421122
    Abstract: A metal powder contains not less than 0.10 mass % and not more than 1.00 mass % of at least one of chromium and silicon, and a balance of copper. The total content of the chromium and the silicon is not more than 1.00 mass %. In accordance with an additive manufacturing method for this metal powder, an additively-manufactured article made from a copper alloy is provided. The additively-manufactured article has both an adequate mechanical strength and an adequate electrical conductivity.
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: September 24, 2019
    Assignees: DAIHEN CORPORATION, OSAKA RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Ryusuke Tsubota, Junichi Tanaka, Yohei Oka, Takayuki Nakamoto, Takahiro Sugahara, Mamoru Takemura, Sohei Uchida
  • Patent number: 10377696
    Abstract: An apparatus for separating dimethyl carbonate using pervaporation includes: an atmospheric distillation column and a high pressure distillation column distilling a mixture containing dimethyl carbonate and methanol and separating dimethyl carbonate from the mixture; and a pervaporation membrane module disposed between the atmospheric distillation column and the high pressure distillation column and allowing for permeation of the methanol to separate the methanol from the mixture, thereby reducing heat consumption and a process cost as compared to the case of only using an existing pressure swing distillation method.
    Type: Grant
    Filed: December 24, 2015
    Date of Patent: August 13, 2019
    Assignees: POSCO, NEDERLANDSE ORGANISATIE VOOR TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK TNO, RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    Inventors: Joon-Hyun Baik, Jaap Ferdinand Vente, Anatolie Motelica