Patents Assigned to OJI HOLDINGS CORPORATION
  • Publication number: 20240416615
    Abstract: An object of the present invention is to provide a fiber aggregate for a molded article having satisfactory appearance that can provide a molded article excellent in stiffness and strength against bending, further excellent in impact resistance and appearance. The object of the present invention is also to provide a pre-sheet and a molded article that are obtained from the fiber aggregate for the molded article.
    Type: Application
    Filed: October 28, 2022
    Publication date: December 19, 2024
    Applicant: OJI HOLDINGS CORPORATION
    Inventors: Keiichi KAJITA, Yasufumi NAKAYAMA, Takuya ISOGAI, Hayato FUSHIMI, Mio YAMANAKA, Rina SHISHIDO, Mizuki SAKAI, Keiko OKUDA, Takeshi SHIRAO, Takehiro MINAMI
  • Publication number: 20240399777
    Abstract: Disclosed is a heat-sensitive recording material containing at least an undercoat layer and a heat-sensitive recording layer in this order on a support, the undercoat layer containing hollow particles, a binder, and an inorganic pigment I, the heat-sensitive recording layer containing a leuco dye and a developer, wherein (A) the heat-sensitive recording layer contains 5-(N-3-methylphenyl-sulfonamide)-N?,N?-bis-(3-methylphenyl)-isophthalic acid diamide as a stability improver, or (B) the heat-sensitive recording layer contains 5-(N-3-methylphenyl-sulfonamide)-N?,N?-bis-(3-methylphenyl)-isophthalic acid diamide as the developer and contains a pigment with an oil absorption of 130 ml/100 g or less as an inorganic pigment II.
    Type: Application
    Filed: September 12, 2022
    Publication date: December 5, 2024
    Applicant: Oji Holdings Corporation
    Inventors: Takashi TAKEMURA, Naonobu SUGIYAMA
  • Patent number: 12139597
    Abstract: Provided is a technique of obtaining films with higher dielectric breakdown strength at high temperatures and folding resistance. A resin composition comprises (1) a syndiotactic polystyrene resin, (2) a polyphenylene ether resin, and (3) at least one member selected from the group consisting of styrene-based thermoplastic elastomers and atactic polystyrene resins, wherein the content of the polyphenylene ether resin in the resin composition is 6 mass % or more.
    Type: Grant
    Filed: October 7, 2020
    Date of Patent: November 12, 2024
    Assignee: OJI HOLDINGS CORPORATION
    Inventors: Takumi Suei, Kazuo Ikeda, Akihiro Kakehi
  • Publication number: 20240360628
    Abstract: It is an object of the present invention to provide heat-sealable paper that is excellent in heat sealing property and recyclability, and capable of enclosing the object to be packaged even immediately after the bag making process. The heat-sealable paper of the present invention has at least one heat-sealable layer on at least one surface of a paper substrate, wherein the heat-sealable layer contains a water-dispersible resin binder, when two such heat-sealable layers are heat-sealed to each other under conditions of 150° C., 0.2 MPa, and one second, the hot tack peeling distance is 150 mm or less, and the heat sealing peel strength is 2 N/15 mm or more, and the heat-sealable paper has a pulp recovery rate after re-disintegration of 85% or more.
    Type: Application
    Filed: April 22, 2022
    Publication date: October 31, 2024
    Applicant: OJI HOLDINGS CORPORATION
    Inventors: Misaki WAKABAYASHI, Yasutomo NOISHIKI, Yuta SHAMOTO
  • Patent number: 12110346
    Abstract: The present invention provides a method of producing phosphoric acid crosslinked starch, including adding phosphorus oxychloride sequentially to raw starch slurry under a condition of pH 9 to 12 to cause the raw starch to undergo a phosphoric acid crosslinking reaction, and controlling the pH by sequentially adding an alkaline solution, wherein concentration of the alkaline solution is increased stepwise or continuously between start and end of the phosphoric acid crosslinking reaction. By the production method of the present invention, phosphoric acid crosslinked starch having a low phosphorus content and a high resistant starch content (for example, pea-derived phosphoric acid crosslinked starch, which has a resistant starch content of 80% or more according to a resistant starch measurement method of AOAC official method 2002.02 and a phosphorus content of 0.5% or less) can be obtained.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: October 8, 2024
    Assignee: OJI HOLDINGS CORPORATION
    Inventors: Fumihiko Sano, Kazuya Ikeshima, Akiko Asano, Akiko Tamagawa
  • Publication number: 20240309588
    Abstract: An object of the present invention is to provide base paper for vapor deposition paper that can provide vapor deposition paper with excellent barrier properties. The base paper for vapor deposition paper according to the present invention includes: a paper substrate; and a clay coat layer and a resin layer in this order on at least one surface of the paper substrate. A surface of the resin laver has a wetting tension of 50 mN/n or more as measured in conformity with JIS K 6768:1999 and a print-surf surface roughness of 2.5 ?m or less as measured in conformity with JIS P 8151:2004.
    Type: Application
    Filed: December 15, 2021
    Publication date: September 19, 2024
    Applicant: OJI HOLDINGS CORPORATION
    Inventors: Yasutomo NOISHIKI, Yuta SHAMOTO, Miyoko TANAKA, Misaki WAKABAYASHI
  • Publication number: 20240300224
    Abstract: It is an object of the present invention to provide a laminate having both a high elastic modulus and a low linear thermal expansion coefficient, and also having excellent design and durability. The present invention relates to a laminate having a fiber layer comprising cellulose fibers with a fiber width of 1000 nm or less, an adhesive layer, and a resin layer in this order, wherein the resin layer comprises an amorphous resin, and the adhesive layer comprises a polymer, and the glass transition temperature of the polymer is lower than 170° C.
    Type: Application
    Filed: December 24, 2021
    Publication date: September 12, 2024
    Applicant: OJI HOLDINGS CORPORATION
    Inventor: Hayato FUSHIMI
  • Publication number: 20240181749
    Abstract: Provided is a metallized polypropylene film having excellent insulation breakdown resistance properties. The metallized polypropylene film of the present invention has a thickness of 0.5 to 4.0 ?m and has a feature such that the number of insulation breakdown points multiplied by thickness, as determined under predetermined measurement conditions for measuring the number of insulation breakdown points, is 1.90 (points/cm2)·?m or less.
    Type: Application
    Filed: April 12, 2022
    Publication date: June 6, 2024
    Applicant: Oji Holdings Corporation
    Inventors: Shigeru SUZUKI, Yoshikazu FUJISHIRO, Kazuyuki HIATE, Yoshimune OKUYAMA, Masahiro NAKATA, Tadakazu ISHIWATA, Toshitsugu TAKAGAKI
  • Patent number: 11993095
    Abstract: Disclosed is a heat-sensitive recording material comprising an undercoat layer and a heat-sensitive recording layer formed in this order on a support, the undercoat layer containing hollow plastic particles and a binder, the heat-sensitive recording layer containing a leuco dye and a developer, and the heat-sensitive recording material having an elastic modulus of 200 N/mm2 or less as measured by a nanoindentation method.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: May 28, 2024
    Assignee: OJI HOLDINGS CORPORATION
    Inventors: Kazuyuki Sakamoto, Kentaro Morofuji, Takashi Takemura
  • Patent number: 11987675
    Abstract: It is an object of the present invention to provide an ultrafine cellulose fiber-containing sheet that is excellent in terms of weather resistance. The present invention relates to a sheet comprising cellulose fibers having a fiber width of 1000 nm or less, wherein the cellulose fibers have anionic functional groups, and the YI increase percentage calculated according to the following equation is 1500% or less. YI increase percentage (%)=(yellowness of the sheet after heating?yellowness of the sheet before heating)/yellowness of the sheet before heating×100, wherein the yellowness of the sheet after heating is a yellowness measured in accordance with JIS K 7373, after the sheet is subjected to hot pressing at 180° C. at 0.5 MPa for 1 minute, whereas the yellowness of the sheet before heating is a yellowness measured in accordance with JIS K 7373, before the sheet is subjected to the hot pressing.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: May 21, 2024
    Assignee: OJI HOLDINGS CORPORATION
    Inventors: Koh Sakai, Hayato Fushimi
  • Publication number: 20240161979
    Abstract: An object is to provide a film that provides a capacitor excellent in safety function operability, and that has a high level of dielectric breakdown strength at high temperatures and good element-winding suitability. The object is achieved by a film containing a syndiotactic polystyrene resin and a polyphenylene ether resin, the content of the syndiotactic polystyrene resin in the film being 50 mass % or higher, the content of the polyphenylene ether resin in the film being 10 mass % or higher, wherein (A) the film contains titanium oxide particles as inorganic particles, and the content of the titanium oxide particles in the film is 0.55 mass % or higher and 3 mass % or lower, and/or (B) at least one surface of the film has a reduced peak height Spk of 0.05 ?m or more and 0.30 ?m or less.
    Type: Application
    Filed: February 21, 2022
    Publication date: May 16, 2024
    Applicant: Oji Holdings Corporation
    Inventors: Takumi SUEI, Kazuo IKEDA, Akihiro KAKEHI
  • Publication number: 20240140124
    Abstract: Provided is a heat-sensitive recording material that can provide clear and high print image quality with less printing omission, and that has high sensitivity and is excellent in recording density in halftone printing.
    Type: Application
    Filed: October 16, 2020
    Publication date: May 2, 2024
    Applicant: OJI HOLDING CORPORATION
    Inventors: Kentaro MOROFUJI, Kazuyuki SAKAMOTO, Shinya AKIMOTO, Takashi TAKEMURA
  • Publication number: 20240141591
    Abstract: Provided are: a sheet which has high transparency, in which yellowing due to heating is suppressed, and which has high tensile elastic modulus and excellent flexibility; and a layered body having the sheet. The sheet of the present invention contains ultrafine fibrous cellulose having a fiber width of 10 nm or less, and a cellulose derivative having a weight-average molecular weight of 1.0×104 or more and 3.0×105 or less.
    Type: Application
    Filed: February 3, 2022
    Publication date: May 2, 2024
    Applicant: OJI HOLDINGS CORPORATION
    Inventors: Rina SHISHIDO, Yuichi NOGUCHI, Hirokazu SUNAGAWA
  • Patent number: 11961683
    Abstract: A biaxially stretched polypropylene film which has a thickness of from 1.0 ?m to 3.5 ?m, a tensile fracture stress at 135° C. of 70 MPa or more in a first direction, and a difference between the tensile fracture stress at 125° C. in the first direction and the tensile fracture stress at 135° C. in the first direction of from 0 MPa to 15 MPa (inclusive).
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: April 16, 2024
    Assignee: Oji Holdings Corporation
    Inventors: Yoshimune Okuyama, Takeshi Tominaga, Yoshikazu Fujishiro, Tadakazu Ishiwata
  • Patent number: 11945884
    Abstract: An object of the present invention is to provide ultrafine fibrous cellulose capable of exhibiting excellent coating suitability when added to paint. The present invention relates to fibrous cellulose having a fiber width of 1,000 nm or less, in which, when the fibrous cellulose is dispersed in water to form a dispersion liquid having a viscosity of 2,500 mPa·s at 23° C., and the dispersion liquid is stirred under predetermined stirring conditions, a viscosity change rate falls within ±50%, calculated by the following formula: viscosity change rate (%)=(viscosity after stirring?viscosity before stirring)/viscosity before stirring×100.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: April 2, 2024
    Assignee: OJI HOLDINGS CORPORATION
    Inventors: Akihiro Tanaka, Hayato Fushimi
  • Publication number: 20240093016
    Abstract: Provided is a technique of obtaining films with higher dielectric breakdown strength at high temperatures and folding resistance. A resin composition comprises (1) a syndiotactic polystyrene resin, (2) a polyphenylene ether resin, and (3) at least one member selected from the group consisting of styrene-based thermoplastic elastomers and atactic polystyrene resins, wherein the content of the polyphenylene ether resin in the resin composition is 6 mass % or more.
    Type: Application
    Filed: October 7, 2020
    Publication date: March 21, 2024
    Applicant: Oji Holdings Corporation
    Inventors: Takumi SUEI, Kazuo IKEDA, Akihiro KAKEHI
  • Patent number: 11926730
    Abstract: A polypropylene film which is capable of suppressing blocking in a rolled polypropylene film. The polypropylene film has a first surface and a second surface, contains a polypropylene resin as a main component, and is configured such that: the Svk value (SvkA) of the first surface is 0.005 ?m or more and 0.030 ?m or less; the Spk value (SpkA) of the first surface is more than 0.035 ?m and 0.080 ?m or less; the Svk value (SvkB) of the second surface is 0.005 ?m or more and 0.030 ?m or less; and the Spk value (SpkB) of the second surface is 0.015 ?m or more and 0.035 ?m or less.
    Type: Grant
    Filed: April 17, 2023
    Date of Patent: March 12, 2024
    Assignee: Oji Holdings Corporation
    Inventors: Tatsuji Ishida, Yoshimune Okuyama, Masahiro Nakata, Tadakazu Ishiwata
  • Patent number: 11913172
    Abstract: Provided is a glass plate interleaving paper including cellulose pulp as a main component. A percentage of aluminum content is below 0.2 mass %, and a basis weight is in a range from 10 to 100 g/m2. Further, it is preferred that the glass plate interleaving paper have a percentage of aluminum content below 0.01 mass %. Still further, it is preferred that the glass plate interleaving paper have a percentage of talc content below 0.1 mass %.
    Type: Grant
    Filed: February 16, 2018
    Date of Patent: February 27, 2024
    Assignee: Oji Holdings Corporation
    Inventors: Koichi Hagihara, Kazuhiko Shirai
  • Publication number: 20230407347
    Abstract: The present invention provides a method for efficiently producing ethanol from a lignocellulosic raw material. More specifically, the present invention provides a method for producing ethanol from a lignocellulosic raw material, which comprises a step of performing multiple parallel fermentation while continuously or intermittently adding an additional saccharification enzyme to a fermentation liquid comprising a lignocellulosic raw material, a saccharification enzyme and a yeast so that the physical property value of the fermentation liquid itself is maintained within a preset range.
    Type: Application
    Filed: August 23, 2023
    Publication date: December 21, 2023
    Applicants: ENEOS Corporation, Oji Holdings Corporation
    Inventors: Yuichi TAKAHASHI, Kohei IDE, Masahiro NIWA, Miyuki KANEZAWA, Shoichi IKEMIZU, Atsushi FURUJO, Naoya AZUMI, Akira TSUKAMOTO, Shingo SEKIZAWA
  • Publication number: 20230391126
    Abstract: Disclosed is a heat-sensitive recording material comprising an undercoat layer and a heat-sensitive recording layer in this order on a support, the undercoat layer containing hollow particles, a binder, and an inorganic pigment I, the heat-sensitive recording layer containing a leuco dye, a developer, and an inorganic pigment II, and the heat-sensitive recording layer containing an N,N?-diarylurea-based compound represented by the following formula (1): wherein R2s may be the same or different, and each represents C1-12 alkyl, C7-12 aralkyl, or C6-12 aryl, and the aralkyl and the aryl may be each substituted with C1-12 alkyl, C1-12 alkoxy, C6-12 aryl, or halogen; A1s may be the same or different, and each represents hydrogen or C1-4 alkyl, as the developer, and a pigment with an oil absorption of 130 ml/100 g or less as the inorganic pigment II.
    Type: Application
    Filed: October 19, 2021
    Publication date: December 7, 2023
    Applicant: Oji Holdings Corporation
    Inventors: Takashi TAKEMURA, Naonobu SUGIYAMA, Daiki WATANABE