Patents Assigned to Teijin Limited
  • Patent number: 11043287
    Abstract: An information processing apparatus includes: a first storage to store correspondence data that includes a plurality of mental and physical states and keywords related to each of the states; a second storage to store messages representing contents tweeted for an observed target by a plurality of observers; and a data processor to detect keywords related to each of the states from the messages based on the correspondence data and create presentation information which includes information data arranged correspondingly to each of the states wherein the information data is arranged for each of the messages including the keywords related to the corresponding state and includes the keyword detected from the each of the messages.
    Type: Grant
    Filed: February 18, 2015
    Date of Patent: June 22, 2021
    Assignee: TEIJIN LIMITED
    Inventors: Kentaro Torii, Satoshi Aida, Tetsuro Chino, Mitsuyoshi Tachimori, Takanori Yamamoto
  • Patent number: 11028284
    Abstract: The present invention provides a polymer substrate with a hardcoat layer exhibiting excellent environmental resistance and wear resistance. A polymer substrate (60) is 1-20 mm thick and a hardcoat layer (70, 80) on the surface thereof comprises: an underlayer cured layer (70) with a thickness of 1-20 ?m, and including 10-90 parts by weight of a multifunctional acrylate, and 90-10 parts by weight of inorganic oxide fine particles and/or a silicon compound hydrolytic condensate; and a silicon oxide layer (80) which is in direct contract with the underlayer cured layer, is formed by PE-CVD with an organosilicon compound as the starter material, and satisfies all of the following conditions (a)-(c): (a) the film thickness of the silicon oxide layer is 3.5-9.0 ?m; (b) the maximum indentation depth of the surface of the silicon oxide layer by nanoindentation measurement at a maximum load of 1 mN is 150 nm or less; and (c) the limit compression ratio K of the silicon oxide layer is at most 0.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: June 8, 2021
    Assignees: TEIJIN LIMITED, TSUKISHIMA KIKAI CO., LTD.
    Inventors: Tatsuya Ekinaka, Tatsuichirou Kon, Takehiro Suga, Hiroshi Kishimoto, Yume Morita, Satoshi Ogata, Masato Nakagomi
  • Publication number: 20210162678
    Abstract: A protrusion on a first member made of synthetic resin wherein a laser beam is applied to a side surface of the protrusion in a state in which a top surface of the protrusion of the first member is abutted against a second member made of synthetic resin, so as to melt at least the entire top surface of the protrusion and melt a portion of the second member in contact with the protrusion by heat of the melted top surface of the protrusion, followed by solidification of the melted portions, whereby the first member and the second member are welded together.
    Type: Application
    Filed: August 13, 2018
    Publication date: June 3, 2021
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY, TORAY INDUSTRIES, INC., ISHIKAWA PREFECTURE, MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA, SUZUKI MOTOR CORPORATION, TEIJIN LIMITED
    Inventors: Takayuki MORI, Kenichi HIROSAKI, Wataru OKUMURA, Daisuke MORI, Yoshihiro IWANO, Kazuaki AMAOKA
  • Patent number: 11021583
    Abstract: There is provided a random mat including carbon fibers and a matrix resin, wherein the carbon fibers in the random mat have an average fiber length in a range of 3 mm to 100 mm, a fiber areal weight of the carbon fibers is 25 to 10,000 g/m2, the carbon fibers include a specific carbon fiber bundles having a specific opening degree in a specific amount per the total carbon fibers, and the specific carbon fiber bundles with a thickness of 100 ?m or more are included in a ratio of less than 3% of the number of the total specific carbon fiber bundles.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: June 1, 2021
    Assignee: Teijin Limited
    Inventors: Yuhei Konagai, Katsuyuki Hagihara, Takeshi Naito, Naoaki Sonoda
  • Patent number: 11014275
    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: Grant
    Filed: July 27, 2017
    Date of Patent: May 25, 2021
    Assignee: Teijin Limited
    Inventors: Masaki Mitsunaga, Hodaka Yokomizo
  • Publication number: 20210147621
    Abstract: The purpose of the present invention is to provide a thermoplastic resin that has a high refractive index and enables low birefringence and balanced heat resistance and moldability. This thermosetting resin includes repeating units represented by formula (1). (In the formula, the rings Z are the same or different and represent an aromatic hydrocarbon ring, R1 and R2 independently represent a C1-C12 hydrocarbon group optionally including a hydrogen atom, a halogen atom, and an aromatic group, Ar1 and Ar2 represent a C6-C10 aromatic group optionally having a substituent, L1 and L2 independently represent a divalent linking group, j and k independently represent an integer of 0 or more, m and n independently represent 0 or 1, and W is at least one selected from the groups represented by formulae (2) and (3).) (In the formula, X represents a divalent linking group.
    Type: Application
    Filed: July 13, 2018
    Publication date: May 20, 2021
    Applicant: TEIJIN LIMITED
    Inventors: Kyosuke YAMADA, Manabu MATSUI, Takatsune YANAGIDA, Kazuyoshi OGASAWARA, Kazunori NUNOME, Keisuke SATO, Yasuhiko TOMONARI
  • Patent number: 11007674
    Abstract: The present invention provides a heating device and a method for manufacturing a heated molding material. The method uses the heating device to continuously manufacture the heated molding material. The heating device includes a heating chamber for heating a molding material, at least one opening section for feeding or expelling molding material therethrough, and a means for using nitrogen gas or superheated steam to expel oxygen gas present in the heating chamber.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: May 18, 2021
    Assignee: Teijin Limited
    Inventors: Yohei Shinfuku, Noriyuki Amano, Guofei Hua
  • Publication number: 20210143427
    Abstract: The present invention provides a carbon fiber aggregate that is characterized by comprising carbon fibers in which crystallite interplanar spacing (d002) measured using X-ray diffraction is 0.3400 nm or more, the average liber diameter being 10-900 nm, and the powder volume resistivity being 4.00×10?2 ?·cm or less when the packing density is 0.8 g/cm3.
    Type: Application
    Filed: February 3, 2017
    Publication date: May 13, 2021
    Applicant: TEIJIN LIMITED
    Inventors: Kazuki YACHI, Asami KANEMATSU, Shinya KOMURA, Takahiro DAIDO
  • Patent number: 11001707
    Abstract: Even when a tin-based polymerization catalyst and a phosphorus-based compound are present in a poly-L-lactic acid (A) and a poly-D-lactic acid (B), by using a specific proportion of an organic acid metal salt or an organic metal salt for stereocomplex crystallization, a stereocomplex polylactic acid composition having a high stereocomplex crystallinity and a high stereocomplex crystal melting point, a small stereocomplex crystal melting point depression even after remelting, a small decrease in the molecular weight, excellent forming processability, and also heat resistance can be provided.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: May 11, 2021
    Assignee: TEIJIN LIMITED
    Inventors: Suguru Ozawa, Ryuji Nonokawa, Osamu Uemura, Masaya Shibano, Shinichiro Shoji
  • Publication number: 20210120890
    Abstract: A garment, to which a blower device is detachably attachable, includes a main body and a heat insulation material. The main body includes at least an outer fabric having an attachment hole through which the blower device can be partially inserted. The main body is configured to cover at least a portion of a body of a wearer. The heat insulation material is attached to the main body at least on an inner side of the outer fabric. The heat insulation material is configured to cover at least a portion of the body. The garment is configured such that the heat insulation material is detachable from the main body.
    Type: Application
    Filed: March 8, 2019
    Publication date: April 29, 2021
    Applicants: Makita Corporation, Teijin Limited
    Inventors: Manabu TOKUNAGA, Kazuhiro SAKURAI, Natsumi HARA, Nobuyoshi MIYASAKA
  • Publication number: 20210124169
    Abstract: An object of the present invention is to provide a light-transmissive cover, which does not deteriorate luminance of images projected from a display unit, while easily suppressing heat input from the sun into the display unit of a head-up display without using an expensive member. The present invention is a light-transmissive member for use in a head-up display device, and the light-transmissive member is formed of a polycarbonate-based resin composition, has a thickness in a range of 0.2 to 0.6 mm and contains composite tungsten oxide particles as an infrared ray shielding agent, wherein a content of the composite tungsten oxide particles, A (weight %), and a thickness of a layer containing the composite tungsten oxide particles, B (mm), satisfy the following formula (1): 0.02?A×B?0.12.
    Type: Application
    Filed: July 25, 2018
    Publication date: April 29, 2021
    Applicant: TEIJIN LIMITED
    Inventors: Koichi MASAOKA, Kyoichi KUBO
  • Patent number: 10987906
    Abstract: A molding material for a multi-layered structure, includes a thermoplastic resin layer (X) including carbon fibers (A) having a weight-average fiber length of 0.01 mm to less than 3 mm; and a thermoplastic resin layer (Y) including carbon fibers (B) having a weight-average fiber length of 3 mm to 100 mm, in which a density parameter PY of the thermoplastic resin layer (Y) expressed by the following Equation (1) is 1×102 to less than 1×104, and in which a density parameter PX of the thermoplastic resin layer (X) expressed by the following Equation (1) is more than 1×101: P=(q×Ln3)/h??(1), where q is the number of flow units of carbon fibers included in the thermoplastic resin layer per 1 mm2 unit area, Ln is a number-average fiber length (mm) of the carbon fibers, and h is a thickness (mm) of the thermoplastic resin layer.
    Type: Grant
    Filed: January 19, 2015
    Date of Patent: April 27, 2021
    Assignee: Teijin Limited
    Inventors: Takaya Fujii, Shuhei Suzuki, Hodaka Yokomizo, Hidenori Aoki
  • Publication number: 20210107250
    Abstract: The present invention provides a self-adhesive prepreg which is characterized by comprising: a base prepreg that is composed of reinforcing fibers and a thermosetting resin composition (I), some or all of which is impregnated into a reinforcing fiber layer that is formed of the reinforcing fibers; an adhesive layer that is composed of a nonwoven fabric which is laminated on at least one surface of the base prepreg so as to be integrated with the base prepreg and a thermosetting resin composition (II) which is laminated on the surface of the nonwoven fabric so as to be integrated with the nonwoven fabric.
    Type: Application
    Filed: March 22, 2018
    Publication date: April 15, 2021
    Applicant: Teijin Limited
    Inventors: Atsushi KAWAKAMI, Matthias SCHUBERT, Toru KANEKO
  • Publication number: 20210108033
    Abstract: A polycarbonate-polydiorganosiloxane copolymer or a resin composition thereof having excellent impact resistance, and, in particular, excellent impact resistance at extremely low temperatures, as well as excellent chemical resistance; and a production method for the resin composition are provided. This copolymer or resin composition thereof includes a polycarbonate-polydiorganosiloxane copolymer and an optional polycarbonate resin. The copolymer includes a polycarbonate block (A-1) and a polydiorganosiloxane block (A-2). The polydiorganosiloxane block (A-2) content of the copolymer or resin composition thereof is 2.5-8.0 wt %. The copolymer or resin composition thereof satisfies (i) and (ii): (i) in a cross-sectional observation image of the copolymer or resin composition thereof that is generated using an electron beam microscope, there are 1-20 domains that have a longest diameter of at least 80 nm in an area that is 850 nm square (722,500 nm2); and (ii) average domain size is 30-100 nm.
    Type: Application
    Filed: December 21, 2018
    Publication date: April 15, 2021
    Applicant: TEIJIN LIMITED
    Inventors: Taichi KIMURA, Kazushi TANDO, Koji ODA
  • Publication number: 20210108040
    Abstract: A composite material includes a thermoplastic matrix resin and carbon fibers A including carbon fiber bundles A1 in which Li/(Ni×Di2) is 6.7×101 to 3.3×103, and a thermoplastic matrix resin. The carbon fibers A have a fiber length of 5-100 mm and the carbon fiber bundles A1 are contained in an amount of 80 vol % or larger but less than 100 vol % with respect to the carbon fibers A and wherein removal of the matrix resin from the composite material gives a carbon fiber mass which, when compressed to a thickness of Tf, has a repulsive force P of 0.05-1.00 MPa A method for producing the composite material including subjecting a composite composition to an impregnation treatment with a compression/impregnation device.
    Type: Application
    Filed: November 21, 2018
    Publication date: April 15, 2021
    Applicant: Teijin Limited
    Inventors: Shuhei Onoue, Takumi Kato, Takashi Toyozumi, Makoto Ootsubo, Takeru Ohki, Guofei Hua, Akihisa Nomura
  • Patent number: 10950779
    Abstract: The purpose of the present invention is to provide a fibrous piezoelectric element which enables a large electric signal to be drawn out by stress produced by relatively small deformation. A piezoelectric element includes a braid composed of a conductive fiber and a piezoelectric fiber. In the braid, the conductive fiber is a core, and the piezoelectric fiber is a covering fiber that covers the periphery of the conductive fiber.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: March 16, 2021
    Assignees: TEIJIN LIMITED, KANSAI UNIVERSITY
    Inventors: Yoshiro Tajitsu, Yuhei Ono, Tomoyoshi Yamamoto, Shunsuke Kanematsu, Satoko Yoshizaki, Suguru Ozawa
  • Publication number: 20210071356
    Abstract: An object of the present invention is to provide a sizing agent composition that gives a carbon fiber from which a carbon fiber-reinforced composite material having excellent adhesion between a resin and the carbon fiber and having excellent mechanical properties can be formed. The sizing agent composition of the invention is a sizing agent composition comprising (A) a blocked isocyanate, and (B) a compound containing at least one polar group and at least one unsaturated group per molecule. In the invention, the mixing ratio (mass ratio) of the blocked isocyanate (A) and the compound (B) containing at least one polar group and at least one unsaturated group per molecule (A/B) is preferably 95/5 to 5/95. In the invention, the blocked isocyanate (A) is preferably a compound having an aliphatic skeleton.
    Type: Application
    Filed: February 14, 2019
    Publication date: March 11, 2021
    Applicant: TEIJIN LIMITED
    Inventors: Takuya MURAKAMI, Masayuki CHOKAI, Yuki SUZUKI, Takeshi NAITO
  • Patent number: 10933597
    Abstract: A press-molding material includes discontinuous reinforcing fibers having an average fiber length of 3 mm to 100 mm, and a thermoplastic resin as a matrix. The press-molding material has a certain reference plane; at least one standable plane; and at least one self-laminatable region. A portion of the standable plane is included in the self-laminatable region.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: March 2, 2021
    Assignee: Teijin Limited
    Inventors: Kaori Miura, Tetsuya Yoneda, Hiroyuki Shimizu
  • Publication number: 20210057703
    Abstract: Provided is a separator for a non-aqueous secondary battery, containing a porous substrate; a heat resistant porous layer that is provided on one side or on both sides of the porous substrate, and that contains a porous coating film including at least one selected from the group consisting of a wholly aromatic polyamide, a polyamide imide and a polyimide; and an adhesive layer that is provided on one side or on both sides of a layered body containing the porous substrate and the heat resistant porous layer, in which adhesive resin particles adhere to the layered body, and provided is a separator for a non-aqueous secondary battery, containing a porous substrate; a heat resistant porous layer that is provided on one side or on both sides of the porous substrate, and that contains at least one of inorganic particles or a heat resistant resin, the heat resistant resin having at least one of an amide bond or an imide bond in a molecule; and an adhesive layer that is provided on one side or on both sides of a laye
    Type: Application
    Filed: November 30, 2018
    Publication date: February 25, 2021
    Applicant: TEIJIN LIMITED
    Inventors: Tomoya HAMADA, Susumu HONDA
  • Publication number: 20210054543
    Abstract: The present invention provides a fixed carbon fiber bundle to which a fixing agent is adhered, wherein the fixing agent adheres to an area comprising at least 50% of at least one side of a carbon fiber bundle, the average thickness of the fixed carbon fiber bundle is 180 ?m or less, and the separated fiber tear load is 0.02 N to 1.00 N.
    Type: Application
    Filed: August 29, 2018
    Publication date: February 25, 2021
    Applicant: Teijin Limited
    Inventors: Takumi Kato, Shuhei Onoue