Patents Assigned to Asahi Kasei Kabushiki Kaisha
  • Publication number: 20200308338
    Abstract: A blocked polyisocyanate composition containing a blocked polyisocyanate obtained from a polyisocyanate and at least one blocking agent, wherein the blocking agent contains a compound represented by general formula (I) shown below, and the amount of methane tetracarbonyl structures represented by general formula (II) shown below, relative to the total molar amount within the blocked polyisocyanate of bonded structures in which the compound represented by general formula (I) is bonded to the polyisocyanate, is at least 0.5 mol % but not more than 10 mol %.
    Type: Application
    Filed: September 27, 2018
    Publication date: October 1, 2020
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Eiko TANAKA, Yuichi MIWA, Masakazu YAMAUCHI, Kie SHINOMIYA
  • Publication number: 20200314534
    Abstract: A sound reproducing apparatus and a sound reproducing method are provided. The apparatus includes a noise assessment unit configured to assess an intensity of ambient sound, a processor that determines an omnidirectional audio output level based on the intensity of ambient sound, an omnidirectional speaker configured to reproduce a desired sound at the omnidirectional audio output level, and a directional speaker configured to reproduce the desired sound simultaneously with the omnidirectional speaker. The method includes the steps of assessing an intensity of ambient sound, determining an omnidirectional audio output level based on the intensity of ambient sound, and reproducing a desired sound simultaneously from an omnidirectional speaker and a directional speaker. The omnidirectional speaker is controlled to reproduce the desired sound at the omnidirectional audio output level.
    Type: Application
    Filed: March 29, 2019
    Publication date: October 1, 2020
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Shiro KOBAYASHI, Masaya YAMASHITA, Takeshi ISHII, Soichi MEJIMA
  • Patent number: 10786785
    Abstract: Provided is a gas separation membrane containing polysaccharides and being characterized by having a crystallinity of 17% or lower, the crystallinity being represented by equation (1) below: (1) Crystallinity (%)=[Ic/(Ic+Ia)]×100 (In equation (1), Ic is the sum of the integrals of the scattering intensities of crystalline peaks obtained from X-ray diffraction analysis of the gas separation membrane, and Ia is the sum of the integrals of the scattering intensities of the amorphous halo).
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: September 29, 2020
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Masato Mikawa, Yasutaka Kurishita
  • Publication number: 20200301273
    Abstract: A semiconductor device having a copper wiring and an insulating layer provided on the copper wiring, where after storage in air with a humidity of 5% for 168 hours at 150° C., the area of void portion of the copper wiring is 10% or less at the copper wiring surface in contact with the insulating layer. The insulating layer contains at least one polyimide that has (i) a structure derived from 4,4?-oxydiphthalic acid dianhydride and a structure derived from 4,4?-diaminodiphenyl ether; or (ii) a structure derived from 3,3?4,4?-biphenyltetracarboxylic acid dianhydride and a structure derived from 4,4?-diaminodiphenyl ether; or (iii) a structure derived from 4,4?-oxydiphthalic acid dianhydride and a structure derived from 2,2?-dimethyl-4,4?-diaminobiphenyl.
    Type: Application
    Filed: June 5, 2020
    Publication date: September 24, 2020
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Tomohiro YORISUE, Yoshito IDO, Taihei INOUE, Harumi MATSUDA
  • Patent number: 10784407
    Abstract: A nitride semiconductor light emitting element includes a first nitride semiconductor layer of a first conductivity type, nitride semiconductor stacked bodies each of which is formed on a portion of the first nitride semiconductor layer and includes a nitride semiconductor light emitting layer and a second nitride semiconductor layer of a second conductivity type, first electrodes formed on the first nitride semiconductor layer, and second electrodes each of which is formed on the second nitride semiconductor layers of the nitride semiconductor stacked bodies. The first and the second electrodes extend in a first direction. The first and the second electrodes are arranged in parallel with one another with gaps interposed therebetween in a second direction perpendicular to the first direction in plan view. A dimension of first electrodes sandwiched by second electrodes is greater than a dimension of first electrodes not sandwiched by second electrodes in the second direction.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: September 22, 2020
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventor: Kosuke Sato
  • Patent number: 10780188
    Abstract: An ultraviolet irradiation device having higher processability and interfacial adhesiveness, and allowing downsizing is provided. The ultraviolet irradiation device includes an enclosure configured to include a hollow portion being formed inside and being capable of introducing an irradiation object, an outer periphery of the enclosure being covered by a covering portion, and a light source configured to be arranged in an area not covered by the covering portion of the enclosure and project light toward the hollow portion. The covering portion is formed of thermoplastic resin fiber. Processability and interfacial adhesiveness can be improved by forming the covering portion with thermoplastic resin fiber. Consequently, a structure advantageous for downsizing of the ultraviolet irradiation device is provided.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: September 22, 2020
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Hiroyuki Kishi, Sho Sugiyama, Naoto Yabuki, Kouhei Yamamoto
  • Patent number: 10781307
    Abstract: A polyoxymethylene resin molded article comprising 100 parts by mass of a polyoxymethylene resin (A) and 0.1 to 5 parts by mass of a sliding agent (B), wherein four or more dispersion domains of the sliding agent (B) are present in a region of 1000 nm in depth from a surface of the molded article and 12000 nm in width, and the dispersion domain has an average minor diameter of 300 nm or less, and an average major diameter of 600 nm or more and 5000 nm or less.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: September 22, 2020
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Junichi Tsuzuki, Yasukazu Shikano
  • Patent number: 10774209
    Abstract: To provide a resin composition which can allow for production of a molded product causing less generation of formaldehyde and having an excellent metallic appearance, and furthermore which can allow for suppression of contamination in a mold and a molding machine during molding. A resin composition containing a polyacetal resin (A), an aluminum pigment (B), and a pearl-based pigment (C), in which the aluminum pigment (B) includes an aluminum particle, and the aluminum particle has a volume average particle size (D50) of 3 to 100 ?m and the content thereof is 0.01 to 15 parts by mass per 100 parts by mass of the polyacetal resin (A).
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: September 15, 2020
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Tomohiro Kondo, Kenji Utashima, Norihiko Furuya
  • Patent number: 10773681
    Abstract: The purpose of the present invention is to provide a base fabric for an airbag and an airbag wherein the strength of sewn parts is high, pressure resistance is superior for an airbag during high-pressure deployment at high speeds, and pressure resistance can be maintained even after passage of time in heat. This base fabric for an airbag is characterized by being formed from woven polyamide fibers, and the retention of sewn part strength in the base fabric with heating before and after heat treatment for 400 hours at 140° C. being 70% or greater.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: September 15, 2020
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventor: Fumiaki Ise
  • Publication number: 20200285150
    Abstract: The present invention provides a photosensitive resin composition for a flexographic printing plate, the photosensitive resin composition including at least a hydrophilic copolymer (A), a thermoplastic elastomer (B), a photo-polymerizable monomer (C), a photo-polymerization initiator (D), a plasticizer (E), and an acidic group-containing polymer (F), wherein the photosensitive resin composition for the flexographic printing plate has an acid value of 1 to 100 mgKOH/g, as measured by neutralization titration.
    Type: Application
    Filed: March 23, 2018
    Publication date: September 10, 2020
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Hiroshi OGAWA, Hideo SAITO, Tohru KIHARA, Kenji OTA
  • Publication number: 20200287354
    Abstract: This invention aims at providing a nitride semiconductor causing no element breakdown even in driving under a high current density. A nitride semiconductor element is provided with a nitride semiconductor active layer made of AlxGa(1-x)N and a composition change layer made above the nitride semiconductor active layer and made of Alx3Ga(1-x3)N in which an Al composition ratio x3 decreases in a direction away from the nitride semiconductor active layer.
    Type: Application
    Filed: March 3, 2020
    Publication date: September 10, 2020
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Kosuke SATO, Motoaki IWAYA, Shinji YASUE, Yuya OGINO
  • Publication number: 20200287234
    Abstract: A lithium ion secondary cell comprising a positive electrode, a negative electrode, and a non-aqueous electrolyte that contains lithium ions, the lithium ion secondary cell being such that: the positive electrode has a positive electrode current collector and a positive electrode active material layer; the positive electrode active material layer contains a positive electrode active material and a lithium compound; the positive electrode active material includes a transition metal oxide; the concentration of the lithium compound, which is the portion other than the positive electrode active material in the positive electrode active material layer, is 0.
    Type: Application
    Filed: July 16, 2019
    Publication date: September 10, 2020
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Kazuteru Umetsu, Nobuhiro Okada
  • Patent number: 10766972
    Abstract: The present invention provides a modified conjugated diene-based polymer, wherein the Mooney stress-relaxation rate measured at 110° C. is 0.45 or less, and the modification percentage is 75% by mass or more.
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: September 8, 2020
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Chigusa Yamada, Yukio Yamaura, Kenta Hisamura, Junichi Yoshida
  • Patent number: 10770769
    Abstract: A method includes dispensing ion-conducting particles on a substrate comprising an adhesive to which the ion-conducting particles adhere; overcoating the ion conducting particles with a polymer; removing the substrate and the adhesive from the ion conducting particles; and removing a polymer overburden on the ion conducting particles to form a device that includes: (i) the polymer or a derivative thereof, and (ii) ion-conducting particles. At least a portion of the ion-conducting particles extend through the polymer or its derivative.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: September 8, 2020
    Assignees: International Business Machines Corporation, Asahi Kasei Kabushiki Kaisha
    Inventors: Naga Phani B. Aetukuri, Mark W. Hart, Ho-Cheol Kim, Shintaro Kitajima, Leslie E. Krupp, Bryan D. McCloskey, Robert D. Miller, John Campbell Scott, Winfried Wilcke
  • Patent number: 10767046
    Abstract: A polyamide resin molded body is formed by a resin composition having a (B) fluorine series resin within a range from 1 to 15 parts by mass with respect to 100 parts by mass of a (A) polyamide resin. In the resin composition, the number average particle diameter of the fluorine series resin dispersed in the polyamide resin is 0.8 ?m or less. The resin composition includes particles of the (B) fluorine series resin having particle diameters of 0.8 ?m or greater. The percentage of particles having particle diameters of 0.8 ?m or greater which are secondary particles while maintaining the form of primary particles is 60% or greater, and/or the degree of crystallinity of the dispersed (B) fluorine series resin is 42 J/g or greater.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: September 8, 2020
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Tetsuo Kurihara, Hiroshi Oyamada, Yasuo Kawaji
  • Patent number: 10770706
    Abstract: A binder for an electricity storage device comprising a copolymer having an ethylenic unsaturated monomer having a polyalkyleneglycol group (P) as a monomer unit, wherein the average number of repeating units (n) of polyalkyleneglycol groups of the ethylenic unsaturated monomer having a polyalkyleneglycol group (P) is 3 or greater.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: September 8, 2020
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Masatoshi Ikemi, Hiroshi Miyazawa
  • Publication number: 20200277430
    Abstract: A polyisocyanate composition includes a polyisocyanate having an isocyanurate group, derived from one or more types of diisocyanates selected from the group consisting of an aliphatic diisocyanate and an alicyclic diisocyanate, UV absorption peaks of a trimeric equivalent of the diisocyanate and a tetrameric equivalent of the diisocyanate being present in a spectrum of the polyisocyanate composition measured by gel permeation chromatography, the ratio ((B)/(A)) of the height (B) of the UV absorption peak of the tetrameric equivalent of the diisocyanate to the height (A) of the UV absorption peak of the trimeric equivalent of the diisocyanate being 0.01 to 3, and the content of a volatile component produced from storage for three months at 60° C. being 0.3% by mass or less with respect to the total mass of the polyisocyanate composition prior to storage, the volatile component having been removed from the polyisocyanate composition in advance.
    Type: Application
    Filed: October 17, 2018
    Publication date: September 3, 2020
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Koichiro AZUMA, Hironori KATAGAWA
  • Publication number: 20200274198
    Abstract: To provide a non-aqueous electrolyte solution, a non-aqueous secondary battery, a cell pack, and a hybrid power system, capable of improving desired battery performance in an acetonitrile electrolyte solution, the non-aqueous electrolyte solution contains a non-aqueous solvent, PO2F2 anions, and cyclic acid anhydride.
    Type: Application
    Filed: February 28, 2020
    Publication date: August 27, 2020
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Naoki Matsuoka, Hirokazu Kamine, Masaki Takahashi, Kazuyuki Fujiwara
  • Publication number: 20200274169
    Abstract: Provided is a non-aqueous lithium-type electricity storage element which includes a positive electrode current collector having a positive electrode active material layer disposed thereon, wherein, in a solid-state 7Li-NMR spectrum of the positive electrode active material layer, a signal area ratio a/b, which is the ratio of a signal area ratio of component A having a signal at least at ?2 to 2.5 ppm to a signal area of component B having a signal at ?6 to ?2.5 ppm is 1.5 to 20.0.
    Type: Application
    Filed: November 13, 2018
    Publication date: August 27, 2020
    Applicant: Asahi Kasei Kabushiki Kaisha
    Inventors: Yuima Kimura, Kazuteru Umetsu, Yuichiro Hirakawa, Hitoshi Morita, Nobuhiro Okada
  • Publication number: 20200269660
    Abstract: A defogging device includes a temperature sensor, an infrared sensor, a surface temperature measuring unit, a humidity sensor, a dew point temperature measuring unit, and a fogging/dew condensation determining unit. When the defogging device is instructed to perform measurement, the temperature sensor measures temperature. Additionally, measurement by the infrared sensor is performed, and based on an output of the infrared sensor and an output of the temperature sensor, the surface temperature measuring unit measures glass surface temperature. Measurement by the humidity sensor is performed, and based on an output of the humidity sensor and the output of the temperature sensor, the dew point temperature measuring unit measures dew point temperature. Lastly, the fogging/dew condensation determining unit compares the glass surface temperature with the dew point temperature to determine whether fogging or dew condensation occurs or not.
    Type: Application
    Filed: September 5, 2018
    Publication date: August 27, 2020
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventor: Hiroyuki SASAKI