Patents Assigned to Teijin Limited
  • Publication number: 20190249059
    Abstract: Provided is a method for producing a novel silicon carbide that can be reacted at a low reaction temperature. The present invention pertains to a silicon carbide production method comprising a step for sintering a composition that at least contains: silicon nanoparticles having an average particle diameter of less than 200 nm; and a carbon-based material.
    Type: Application
    Filed: June 12, 2017
    Publication date: August 15, 2019
    Applicant: TEIJIN LIMITED
    Inventors: Masanori MAEDA, Azusa KOHNO, Yoshinori IKEDA
  • Patent number: 10374204
    Abstract: There is provided a non-aqueous-secondary-battery separator formed of a composite membrane including: a porous base material containing a thermoplastic resin; and a heat-resistant porous layer provided on one or both surfaces of the porous base material and containing an organic binder and an inorganic filler, in which the tortuosity rate of the composite membrane is from 1.5 to 2.0.
    Type: Grant
    Filed: November 13, 2013
    Date of Patent: August 6, 2019
    Assignee: TEIJIN LIMITED
    Inventor: Susumu Honda
  • Publication number: 20190226122
    Abstract: A problem of the invention is to provide a colored organic fiber that has a deep color and excellent flame retardancy, a cloth and garments each composed of the foregoing organic fiber, and a method for producing a cloth. To solve this problem, a colored organic fiber having a content of a carrier agent of 1.8% by mass or less relative to the fiber mass is provided. A cloth or garments are obtained, if desired.
    Type: Application
    Filed: April 3, 2019
    Publication date: July 25, 2019
    Applicant: TEIJIN LIMITED
    Inventors: Hiroki SHIMADA, Saori KURODA, Kenji IWASHITA
  • Publication number: 20190218237
    Abstract: An organic phosphorus-based compound which satisfies the following requirements (i) to (viii) and is represented by the following formula (1): (i) the organic purity should be not lower than 98%; (ii) the solubility in 20° C. water should be not higher than 0.1 g/100 g of water; (iii) the total halogen component content should be not higher than 1,000 ppm; (iv) the total volatile organic matter content should be not higher than 800 ppm; (v) the ? pH value should be not larger than 1.0; (vi) the volume standard median diameter should be not larger than 30 ?m; (vii) the maximum particle diameter should be not larger than 200 ?m; and (viii) the standard deviation represented by the following formula should be not larger than 20 ?m. Standard deviation=(d84%+d16%)/2; wherein d84%: particle diameter at a point where the cumulative curve becomes 84% (?m), and d16%: particle diameter at a point where the cumulative curve becomes 16% (?m).
    Type: Application
    Filed: March 10, 2017
    Publication date: July 18, 2019
    Applicant: TEIJIN LIMITED
    Inventors: Katsuhiro YAMANAKA, Kenta IMAZATO, Naoshi TAKAHASHI
  • Patent number: 10347892
    Abstract: Provided is a separator for a non-aqueous secondary battery, including: a porous substrate, and a heat resistant porous layer that is provided on one side or both sides of the porous substrate, that is an aggregate of resin particles and an inorganic filler, and that satisfies the following expression (1). In expression (1), Vf is a volume proportion (% by volume) of the inorganic filler in the heat resistant porous layer, and CPVC is a critical pigment volume concentration (% by volume) of the inorganic filler. Also provided is a separator for a non-aqueous secondary battery, including: a porous substrate, a heat resistant porous layer that is provided on one side or both sides of the porous substrate, that includes a resin and an filler, and that satisfies the following expression (2), and an adhesive porous layer that is provided on both sides of a stacked body of the porous substrate and the heat resistant porous layer, and that includes an adhesive resin.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: July 9, 2019
    Assignee: TEIJIN LIMITED
    Inventors: Susumu Honda, Takashi Yoshitomi, Satoshi Nishikawa
  • Publication number: 20190194381
    Abstract: A thermosetting resin composition which produces no free isocyanate even when a carbodiimide compound is used and provides a cured resin having high heat resistance. The thermosetting resin composition makes it possible to reduce the curing temperature, cures in a short time and provides a cured rein having a high glass transition temperature.
    Type: Application
    Filed: March 5, 2019
    Publication date: June 27, 2019
    Applicant: TEIJIN LIMITED
    Inventors: Shinichiro SHOJI, Kouhei Endo, Masaya Shibano
  • Patent number: 10326120
    Abstract: Provided is a separator for a nonaqueous electrolyte battery, including a porous substrate and an adhesive porous layer that is provided on one side or both sides of the porous substrate and contains an adhesive resin. The separator has a thermal expansion coefficient of more than 0% and 10% or less in the width direction when heat-treated at 105° C. for 30 minutes.
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: June 18, 2019
    Assignee: TEIJIN LIMITED
    Inventors: Satoshi Nishikawa, Takashi Yoshitomi
  • Patent number: 10322568
    Abstract: A shaped product of a fiber-reinforced composite material includes a well-shaped part and a surface-shaped part, in which the well-shaped part includes a fiber-reinforced composite material C including both discontinuous reinforcing fibers and a thermoplastic resin, and the surface-shaped part includes a thermoplastic-resin-based material, and the shaped product includes no irregular-shape portion in the well-shaped part and no weld at a boundary edge between the well-shaped part and the surface-shaped part.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: June 18, 2019
    Assignee: Teijin Limited
    Inventors: Yukino Oosawa, Hidenori Aoki, Hodaka Yokomizo
  • Patent number: 10322559
    Abstract: There is provided a shaped product made of a fiber-reinforced composite material including reinforcing fibers having an average fiber length of 5 to 100 mm and a thermoplastic resin. In the shaped product, a volume fraction of reinforcing fibers is 5 to 80%, a reference plane (S) and a standing plane (B) inclined at an angle of 45 to 90 degrees with respect to the reference plane are included, a ratio of an area of the standing plane (B) to an area of the reference plane (S) is 0.5 to 100, and in the fiber-reinforced composite material constituting the shaped product, a ratio of a reinforcing fiber bundle (A) including the reinforcing fibers of a critical number of single fiber or more to the total amount of the reinforcing fibers is 20 Vol % or more and 99 Vol % or less.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: June 18, 2019
    Assignee: Teijin Limited
    Inventors: Michiharu Taniguchi, Motoomi Arakawa, Toru Sugiyama, Yasunori Nagakura
  • Publication number: 20190160715
    Abstract: Provided is a method for manufacturing a fiber-reinforced resin molded article by cold press molding a fiber-reinforced resin material including reinforcing fibers and a thermoplastic resin using molds containing an upper mold and a lower mold. In the method, the respective parameters for: heating temperature; charge time; air-cooling rate; pressurization time; flow-stopping temperature; and a moldable time satisfies specified numerical ranges simultaneously.
    Type: Application
    Filed: July 27, 2017
    Publication date: May 30, 2019
    Applicant: Teijin Limited
    Inventors: Masaki Mitsunaga, Hodaka Yokomizo
  • Patent number: 10301300
    Abstract: Provided are a xanthine oxidase inhibitor, a drug for improving vascular endothelial function, and an excellent therapeutic or prophylactic drug for diseases associated with xanthine oxidase such as gout, hyperuricaemia, and for diseases associated with vascular endothelial functional disorder containing a compound represented in a formula (I) or the pharmaceutically acceptable salt thereof as an active ingredient.
    Type: Grant
    Filed: May 1, 2018
    Date of Patent: May 28, 2019
    Assignee: TEIJIN LIMITED
    Inventors: Takashi Shirakura, Yoshimasa Takahashi, Asahi Kawana, Chikashi Kanazawa
  • Patent number: 10300621
    Abstract: According to an aspect of the present invention, there is provided a method for producing cut bodies including: cutting a fiber-reinforced resin material, the fiber-reinforced resin material including reinforcing fibers and a thermoplastic resin, the reinforcing fibers having a tensile strength of 1,000 MPa to 6,000 MPa; and heating the fiber-reinforced resin material, wherein a flexural modulus of the fiber-reinforced resin material at the cutting is decreased to a value ranging from 80% to 15% of the flexural modulus of the fiber-reinforced resin material before heating.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: May 28, 2019
    Assignee: Teijin Limited
    Inventors: Makoto Ootsubo, Hiroya Hada, Toshiki Maeda, Takuo Kanzaki
  • Patent number: 10293770
    Abstract: Provided is a load-carrying or non-load carrying structural component for a vehicle having improved impact resistance, such as a gas tank protection shield, an underbody shield, a structural panel, an interior floor, a floor pan, a roof, an exterior surface, a storage area, a glove box, a console box, a trunk, a trunk floor, a truck bed, and combinations thereof. The component has a support structure with ridges, each spaced apart from one another at predetermined intervals, to form a corrugated surface capable of load-carrying. The ridges are longitudinally extending, raised ridges. The corrugated designs provide support structures that are impact resistant.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: May 21, 2019
    Assignees: GM Global Technology Operations LLC, Teijin Limited
    Inventors: John N. Owens, Mark A. Voss, Bhavesh Shah, Venkateshwar R. Aitharaju, Chris James Tadeusz Wisniewski, Yutaka Yagi, Tsukasa Arai
  • Patent number: 10294351
    Abstract: A flameproofing agent for fibers which has high flameproofness and excellent physical properties (light resistance, heat resistance, texture), a process for manufacturing a flameproof fiber product and a flameproof fiber product. The flameproofing agent comprises an organic phosphorus compound (component A) represented by the following formula (1). (In the above formula, X1 and X2 are the same or different and each an aromatic substituted alkyl group represented by the following formula (2).) ALAr)n??(2) (In the above formula, AL is a branched or linear aliphatic hydrocarbon group having 1 to 5 carbon atoms, Ar is a phenyl group, naphthyl group or anthryl group all of which may have a substituent, “n” is an integer of 1 to 3, and Ar may be bonded to any carbon atom contained in AL.
    Type: Grant
    Filed: March 26, 2013
    Date of Patent: May 21, 2019
    Assignees: TEIJIN LIMITED, MARUBISHI OIL CHEMICAL CO., LTD.
    Inventors: Katsuhiro Yamanaka, Tsuyoshi Takeda, Kuniaki Kondo, Masaki Haruyoshi
  • Patent number: 10280304
    Abstract: A polyarylene sulfide resin composition which is excellent in mechanical strength as well as electromagnetic shielding effect, slidability and moist heat resistance. The resin composition comprises (A) 100 parts by weight of a polyarylene sulfide resin (component A) synthesized through a polymerization reaction using an aromatic disulfide-based compound as a polymerization terminator and (B) 10 to 180 parts by weight of carbon fibers (component B), wholly aromatic polyamide fibers (component C) or glass fibers (component D).
    Type: Grant
    Filed: January 28, 2015
    Date of Patent: May 7, 2019
    Assignee: TEIJIN LIMITED
    Inventor: Takuya Tomoda
  • Patent number: 10280272
    Abstract: A laminate having excellent abrasion resistance to physical stimuli such as dust. The laminate comprises a base layer, a hard coat layer and a top coat layer comprising flaky metal oxide fine particles all of which are formed in this order. The flaky metal oxide fine particles are hardened by at least one method selected from the group consisting of ionizing material exposure, ionizing radiation exposure, infrared exposure, microwave exposure and high-temperature vapor exposure.
    Type: Grant
    Filed: February 20, 2013
    Date of Patent: May 7, 2019
    Assignee: TEIJIN LIMITED
    Inventors: Tatsuya Ekinaka, Takehiro Suga, Toshio Kita, Ryo Niimi, Yuta Toyoshima, Tetsuya Shichi, Daisuke Yoshioka, Makoto Yamashita, Sohei Okazaki, Yuji Kaneko
  • Publication number: 20190118427
    Abstract: A method of producing thermoplastic resin composite material in which a main base material containing thermoplastic resin and a sheet-like shaped auxiliary base material are integrally molded and are made into composite material. The production method includes the steps of: heating the auxiliary base material (step S1); disposing the heated auxiliary base material in a mold (step S2); disposing the main base material in the mold via the auxiliary base material (step S3); closing the mold, and pressing together and integrally molding the auxiliary base material and the main base material (step S4); and taking out the integrally-molded thermoplastic resin composite material from the mold.
    Type: Application
    Filed: May 11, 2017
    Publication date: April 25, 2019
    Applicants: HONDA MOTOR CO., LTD., SUBARU CORPORATION, SUZUKI MOTOR CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, TEIJIN LIMITED, Toray Industries, Inc, KYOWA INDUSTRIAL CO., LTD., NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY
    Inventors: Satoshi Hirawaki, Yasunari Kuratani, Masashi Horikawa, Tomomi Ichida, Kazuaki Amaoka, Takashi Kusaka, Yoshinori Yamamori, Kosuke Sakurai
  • Publication number: 20190122517
    Abstract: The problem to be solved is to provide an article that is capable of detecting position information within a building, and detecting hazards related to life such as heat stroke to issue an alarm, while ensuring safety, workability, and convenience. Means to solve the problem is an article including an alarm system, wherein the alarm system includes, a position information sensor, a three-axes acceleration sensor, a gyro sensor, a geomagnetic sensor, or a combination thereof; and a part configured to autonomously estimate a position from information emitted from the position information sensor, etc.
    Type: Application
    Filed: April 10, 2017
    Publication date: April 25, 2019
    Applicant: TEIJIN LIMITED
    Inventors: Tasuku KIMURA, Hirokazu HAYASHI
  • Publication number: 20190118487
    Abstract: The problem to be solved by the invention is to provide a method for producing a joined body that reduces springback and can maintain high joining strength. The above problem is solved by a method for producing a joined body. The method includes heating a contact expected surface (a) of a molded body (A) containing carbon fibers and a thermoplastic resin, brining the heated contact expected surface (a) into contact with a contact expected surface (b) of a molded body (B) containing a thermoplastic resin; and joining the molded body (A) and the molded body (B). Contact surfaces (c) formed by contacting the contact expected surface (a) with the contact expected surface (b) includes a three-dimensional curved surface. The contact expected surface (a) is heated by using an infrared radiation mechanism capable of selectively infrared radiating the contact expected surface (a).
    Type: Application
    Filed: April 14, 2016
    Publication date: April 25, 2019
    Applicant: Teijin Limited
    Inventors: Takumi Kato, Yasunori Nagakura
  • Patent number: 10260173
    Abstract: The problem of the present invention is to provide a carbon fiber manufacturing device in which fiber to be carbonized is irradiated with microwaves and thereby heated, wherein the carbon fiber manufacturing device is compact and capable of performing carbonization at atmospheric pressure without requiring an electromagnetic wave absorber or other additives or preliminary carbonization through external heating. This carbon fiber manufacturing device (200) includes: a cylindrical furnace (27) comprising a cylindrical waveguide in which one end is closed, a fiber outlet (27b) being formed in the one end of the cylindrical waveguide and a fiber inlet (27a) being formed in the other end of the cylindrical waveguide; a microwave oscillator (21) for introducing microwaves into the cylindrical furnace (27); and a connection waveguide (22) having one end connected to the microwave oscillator (21) side and the other end connected to one end of the cylindrical furnace (27).
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: April 16, 2019
    Assignees: TEIJIN LIMITED, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, THE UNIVERSITY OF TOKYO
    Inventors: Hiroaki Zushi, Takaya Suzuki, Jun-ichi Sugiyama