Patents Assigned to JNC Corporation
  • Patent number: 11155753
    Abstract: There is provided a liquid crystal composition which has favorable characteristics and excellent characteristic balance as a material for an element used for phase control of an electromagnetic wave signal with a frequency of 1 MHz to 400 THz.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: October 26, 2021
    Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATION
    Inventors: Norio Tamura, Yoichi Uriu, Eiji Okabe, Koki Sago
  • Patent number: 11141686
    Abstract: A hollow cylindrical depth filter formed of fibers of a thermoplastic resin and having a thickness of a filter medium of 5 to 25 millimeters, in which the filter medium has a compression ratio of 0.2 or less when a load of 0.5 MPa is applied thereto, the filter medium has a fiber layer of at least three layers from a fluid inflow side toward an outflow side, porosity of the three layers are adjusted to a specific range, respectively, and intersection points of the fibers forming the filter medium are bonded, a mean interval between the intersection points is 2 to 100 times a mean fiber diameter of the fibers in a length direction, and a ratio of the mean fiber diameter on a surface on an upstream side to the mean fiber diameter on a surface on a downstream side of the filter medium is 0.9 to 1.2.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: October 12, 2021
    Assignees: JNC Corporation, JNC Filter Co., Ltd.
    Inventors: Kouichi Ozamoto, Kento Nakamura, Isamu Futase, Takumi Kojima
  • Publication number: 20210300847
    Abstract: Provided is a process in which a cyclobutanediol compound having a high cis:trans ratio can be stably obtained. The cyclobutanediol compound having a cis:trans ratio of 1.5:1 to 5000:1 is produced by using at least one compound selected from a group consisting of a cyclobutanedione compound, a cyclobutanketol compound, and a cyclobutanediol compound as a raw material, and performing a catalytic hydrogenation reaction and an isomerization reaction in the cyclobutanediol compound in a solid phase state in the presence of a metal catalyst without adding a solvent.
    Type: Application
    Filed: March 17, 2021
    Publication date: September 30, 2021
    Applicant: JNC CORPORATION
    Inventors: Shinichi Furusato, Toshiyuki KAWANABE, Kaori TSURUOKA, Hironao SAJIKI, Tsuyoshi YAMADA, Kwihwan PARK
  • Publication number: 20210301087
    Abstract: A cationically polymerizable composition that provides a cured product and having an excellent balance of adhesion to various substrates, particularly, a silver substrate, and excellent handling properties. A cationically polymerizable composition including a double-decker type silsesquioxane compound having at least one alicyclic epoxy group in one molecule (A), a cationically polymerizable compound (B), a compound having a vinyl group and a cationically polymerizable cyclic ether (C), and a chelate-modified epoxy compound (D).
    Type: Application
    Filed: March 29, 2021
    Publication date: September 30, 2021
    Applicant: JNC CORPORATION
    Inventor: Kazuya SUWA
  • Patent number: 11131654
    Abstract: A column mainly comprises a tube, a plug, a first filter, a second filter, a stopper, and a connector. The tube mainly comprises a bottomed cylindrical storage part, and a cylindrical bottom-side connection part connected to a bottom of the storage part. The storage part and the bottom-side connection part are coaxially provided. The plug mainly comprises an outer pipe coaxially provided, and an inner pipe provided on an inner side of the outer pipe. The first filter and the second filter each are such a filter as not to enable the filler to pass. The stopper mainly comprises a stopper gripping part, and a stopper insertion part. The connector mainly comprises a connector gripping part and a connector insertion part.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: September 28, 2021
    Assignee: JNC CORPORATION
    Inventor: Masami Todokoro
  • Patent number: 11127947
    Abstract: Provided is a silicon nanoparticle-containing hydrogen polysilsesquioxane sintered product that is represented by the general formula SiOxHy (0.01<x?0.3, 0<y<0.35) and has Si—H bonds, said silicon nanoparticle-containing hydrogen polysilsesquioxane sintered product being characterized by (A) including more than 65.0 wt % of silicon nanoparticles that have a volume-based average particle size of 10-500 nm, exclusive, and that do not include particles having a particle size of 1000 nm or larger, and (B) including a silicon oxide structure derived from hydrogen polysilsesquioxane that coats the silicon nanoparticles and is chemically bonded to the surfaces of the silicon nanoparticles.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: September 21, 2021
    Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATION
    Inventors: Yoshihito Takano, Tetsuro Kizaki, Hirotsuna Yamada, Masakazu Kondo, Akira Takahashi
  • Patent number: 11127952
    Abstract: A material for a negative electrode active material having capability of achieving excellent cycle performance while maintaining satisfactory initial efficiency (initial capacity), a production method for the material, a composition for a negative electrode, using the material, a negative electrode, and a secondary battery. A core-shell structure that includes the following components (A) and (B), and satisfies the following conditions (i) and (ii): (A): a core containing at least Si (silicon), O (oxygen) and C (carbon) as a constituent element, and containing crystalline carbon and non-crystalline carbon as a constituent; and (B): a shell encapsulating the core, and including a SiOC structure having a graphene layer, and (i): having an atomic composition represented by formula SiOxCy (0.5<x<1.8, 1.0<y<5.0), and (ii): having a predetermined value of less than 1.0×105 ?·cm in specific resistance determined by powder resistance measurement.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: September 21, 2021
    Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATION
    Inventors: Yoshihito Takano, Masakazu Kondo, Hirotsuna Yamada
  • Publication number: 20210261864
    Abstract: A material for liquid-crystal devices which have a low operating voltage in a normal mode or a reverse mode and high-contrast properties. The material for liquid-crystal devices is characterized by containing at least one polymerizable compound and at least one compound selected from among compounds represented by general formulae (K1) and (K2) and by comprising a liquid-crystal material.
    Type: Application
    Filed: August 4, 2017
    Publication date: August 26, 2021
    Applicants: JNC CORPORATION, JNC PETROCHEMICAL CORPORATION
    Inventors: Mayumi TANABE, Shinichi YAMAMOTO, Hiroaki FUJITA
  • Patent number: 11097208
    Abstract: A vise for column, for attaching a plug to a column tube of a column for chromatography comprising the column tube and the plug to be attached to one end of the column tube, is provided. The vise comprises a column supporter configured to be able to support a part of the column for chromatography, a main body configured to be connected to the column supporter and extending from the column supporter by a predetermined distance, and a column presser configured to be supported at another end of the main body opposite to one end to which the column supporter is connected, and configured to be movable toward and away from the column supporter, and configured to be able to press the plug against the column tube.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: August 24, 2021
    Assignee: JNC CORPORATION
    Inventors: Naoki Yamanaka, Masami Todokoro
  • Publication number: 20210245469
    Abstract: A laminate sound-absorbing material that includes a porous layer and a base material layer. The porous layer is a fiber layer or comprises a microporous film. The mean flow pore diameter of the porous layer is 0.1-30 ?m. The basis weight of the porous layer is 0.1-200 g/m2. The average sound transmission loss of the base material layer between 1,000 Hz and 12,500 Hz is at least 2 dB. The base material layer is arranged on a sound incidence side, and the porous layer is arranged on a sound transmission side.
    Type: Application
    Filed: July 24, 2019
    Publication date: August 12, 2021
    Applicants: JNC CORPORATION, JNC FIBERS CORPORATION
    Inventors: Takayuki HATTORI, Hidemi ITO
  • Publication number: 20210238419
    Abstract: To provide a siloxane polymer containing a silsesquioxane unit and a chain siloxane unit in the main chain and having a reactive group. A siloxane polymer containing a repeating unit represented by Formula (1): R0's independently represent C6-20 aryl or C5-6 cycloalkyl; R1 independently represent a hydrogen atom, C6-20 aryl, C5-6 cycloalkyl, C7-40 arylalkyl, or C1-40 alkyl; R2, R4, and R6 independently represent C6-20 aryl, C5-6 cycloalkyl, C7-40 arylalkyl, or C1-40 alkyl; R3 represents a monovalent group having a reactive group; R5's independently represent C6-20 aryl, C5-6 cycloalkyl, C7-40 arylalkyl, C1-40 alkyl, or C1-20 alkoxy; y1, y2, and z are an integer of 0 to 30; g? is 0 or 1; and, in the case of y1=y2=z=0, at least one terminal is the group represented by Formula (2).
    Type: Application
    Filed: January 27, 2021
    Publication date: August 5, 2021
    Applicant: JNC CORPORATION
    Inventor: Kazuya SUWA
  • Publication number: 20210230096
    Abstract: [Problem] An ester compound having low viscosity, excellent fluidity even at low temperatures, and a high viscosity index; and a lubricating oil base oil containing said compound are provided. [Solution] The present invention provides an ester compound indicated by formula (I). Formula (I) (in formula (I), R1 is a hydrocarbon group having 1 to 35 carbon atoms and at least one hydrogen in the hydrocarbon group may be independently substituted with a group indicated by formula (II)). Formula (II) (in formula (II), R2 is a linear alkyl having 1 to 30 carbon atoms or a branched alkyl having 3 to 30 carbon atoms.
    Type: Application
    Filed: January 31, 2019
    Publication date: July 29, 2021
    Applicants: DAISAN KASEI CO., LTD, JNC CORPORATION
    Inventors: Yasuo URATA, Tetsuya ISAKA, Taichi SHIMADA
  • Publication number: 20210214615
    Abstract: The liquid crystal display device of the disclosure has: a first substrate; a plurality of pixel electrodes formed on the first substrate; a second substrate; a counter electrode formed on the second substrate and facing the pixel electrode; a liquid crystal layer including a liquid crystal composition between the pixel electrode and the counter electrode; and an alignment control layer formed of a polymer containing an alignable monomer that is one component of the liquid crystal composition, in which the alignment control layers are each formed on a side of the first substrate and on a side of the second substrate. The alignable monomer is a polymerizable polar compound having a mesogen moiety formed of at least one ring, and a polar group.
    Type: Application
    Filed: August 3, 2017
    Publication date: July 15, 2021
    Applicants: JNC CORPORATION, JNC PETROCHEMICAL CORPORATION
    Inventors: Yuko KATANO, Fumitaka KONDO, Kazuhiro OGITA, Hiroshi ENDOU
  • Patent number: 11058970
    Abstract: A vise for column, for attaching a plug to a column tube of a column for chromatography comprising the column tube and the plug to be attached to one end of the column tube, is provided. The vise comprises a column supporter configured to be able to support a part of the column for chromatography, a main body configured to be connected to the column supporter and extending from the column supporter by a predetermined distance, and a column presser configured to be supported at another end of the main body opposite to one end to which the column supporter is connected, and configured to be movable toward and away from the column supporter, and configured to be able to press the plug against the column tube.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: July 13, 2021
    Assignee: JNC CORPORATION
    Inventors: Naoki Yamanaka, Masami Todokoro
  • Patent number: 11052339
    Abstract: A hollow cylindrical depth filter formed of fibers of a thermoplastic resin and having a thickness of a filter medium of 5 to 25 millimeters, in which the filter medium has a compression ratio of 0.2 or less when a load of 0.5 MPa is applied thereto, the filter medium has a fiber layer of at least three layers from a fluid inflow side toward an outflow side, porosity of the three layers are adjusted to a specific range, respectively, and intersection points of the fibers forming the filter medium are bonded, a mean interval between the intersection points is 2 to 100 times a mean fiber diameter of the fibers in a length direction, and a ratio of the mean fiber diameter on a surface on an upstream side to the mean fiber diameter on a surface on a downstream side of the filter medium is 0.9 to 1.2.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: July 6, 2021
    Assignees: JNC Corporation, JNC Filter Co., Ltd.
    Inventors: Kouichi Ozamoto, Kento Nakamura, Isamu Futase, Takumi Kojima
  • 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: 11028108
    Abstract: A method for safely and efficiently producing high-purity dialkylaminosilane. Dialkylamine is fed simultaneously during feeding chlorosilane in the presence of metal to cause reaction. For example, chlorosilane and dialkylamine are fed, and then only dialkylamine is fed to cause reaction, whereby dialkylaminosilane is produced.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: June 8, 2021
    Assignee: JNC Corporation
    Inventor: Toru Tanaka
  • Patent number: 11027978
    Abstract: A silicon nanoparticle-containing hydrogen polysilsesquioxane calcined product to be covered by the invention, represented by general formula SiOx2Hy2 (0.3<x2<1.5, 0.01<y2<0.35), containing 5% by weight to 65% by weight of silicon nanoparticles having a volume-basis mean particle size of more than 10 nanometers and less than 500 nanometers, having a chemical bond between a surface of the silicon nanoparticles and a silicon oxide structure derived from hydrogen polysilsesquioxane, having a Si—H bond, and substantially containing no carbon is silicon oxide applicable to a negative electrode active material for a secondary battery having excellent discharging capacity, initial charging and discharging efficiency and cycle characteristics.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: June 8, 2021
    Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATION
    Inventors: Yoshihito Takano, Tetsuro Kizaki, Hirotsuna Yamada, Masakazu Kondo, Akira Takahashi
  • Patent number: 11031591
    Abstract: Polysilsesquioxane covering silicon nanoparticles, or a calcined product thereof, comprising silicon nanoparticles, which have a volume-basis mean particle size of 10-500 nm, exclusive, and do not include particles having a particle size of 1000 nm or larger, and polysilsesquioxane, which covers the silicon nanoparticles and is chemically bonded to the surfaces of the silicon nanoparticles, said polysilsesquioxane covering silicon nanoparticles or the calcined product thereof having Si—H bonds. When observed using a transmission electron microscope (TEM), the thickness of the polysilsesquioxane is 1-30 nm, inclusive.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: June 8, 2021
    Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATION
    Inventors: Yoshihito Takano, Tetsuro Kizaki, Hirotsuna Yamada, Masakazu Kondo, Akira Takahashi
  • Publication number: 20210167288
    Abstract: By using a polycyclic aromatic compound as a material for a light-emitting layer, formed by connecting a plurality of aromatic rings with a boron atom and an oxygen, sulfur, or selenium atom, which have been substituted by a specific aryl such as anthracene, an organic EL element having at least one of excellent quantum efficiency and element life can be provided.
    Type: Application
    Filed: June 18, 2018
    Publication date: June 3, 2021
    Applicants: Kwansei Gakuin Educational Foundation, JNC Corporation
    Inventors: Takuji Hatakeyama, Akio TAJIMA, Akihide MIZUTANI, Daisuke BABA, Yuko YAMAGA