Patents Assigned to Nisshinbo Industries, Inc.
  • Non-asbestos-based friction materials
    Patent number: 6863968
    Abstract: A non-asbestos-based friction material for brakes, clutches or the like for automobiles, large-size trucks, railway cars and various industrial machines. The friction material has excellent friction and rust preventive characteristics, and attacks the plane it faces to a limited extent. The non-asbestos-based friction material is produced by forming and then curing the non-asbestos-based friction material composition comprising a fibrous base, binder and filler as the major ingredients. The composition contains at least one type of steel fibers selected from the group consisting of iron, special dead soft steel and dead soft steel, containing carbon (C) at 0.13% or less at specific contents, in the fibrous base at 1 to 50% by volume of the whole friction material.
    Type: Grant
    Filed: July 30, 2002
    Date of Patent: March 8, 2005
    Assignee: Nisshinbo Industries, Inc.
    Inventors: Takeo Nagata, Jun Nagashima
  • Electrolyte composition for electric double-layer capacitor, solid polymer electrolyte, composition for polarized electrode, polarizable electrode, and electric double-layer capacitor
    Patent number: 6862167
    Abstract: An electrolyte composition and a solid polymer electrolyte for electrical double-layer capacitors are endowed with high ionic conductivity. The invention is also directed at a polar electrode composition and a polar electrode having excellent binder capabilities which are able to strongly bond a high surface area material such as activated carbon and an electrically conductive material to a current collector, and which also have shape stability. A high-performance electrical double-layer capacitor arrived at using the above compositions and components is additionally disclosed.
    Type: Grant
    Filed: June 7, 2000
    Date of Patent: March 1, 2005
    Assignee: Nisshinbo Industries, Inc.
    Inventors: Kimiyo Banno, Takaya Sato
  • Carbodiimide composition with suppressed yellowing, a stabilizer against hydrolysis and a thermoplastic resin composition
    Publication number: 20050032947
    Abstract: A carbodiimide composition having an improved heat resistance which meets conventional requirements for a carbodiimide compound to be compounded in an ester-group-containing resin or a biodegradable plastic, and exhibiting no coloring problems due to yellowing, and having a superior stabilizing effect agains hydrolysis. The carbodiimide composition comprises a carbodiimide compound (A) and an antioxidant (B), having a 5% weight loss temperature not lower than 250° C. as determined by a thermogravimetric (TG) method, wherein an antioxidant (B) is dispersed and present in the composition by admixing during synthesis of a carbodiimide compound (A), a stabilizer against hydrolysis mainly comprising the carbodiimide composition and a thermoplastic resin composition containing the same.
    Type: Application
    Filed: July 28, 2004
    Publication date: February 10, 2005
    Applicant: NISSHINBO INDUSTRIES, INC.
    Inventors: Ikuo Takahashi, Hirotaka Iida, Norimasa Nakamura
  • Production process of core material for vacuum insulation material
    Publication number: 20050023731
    Abstract: A core material for a vacuum insulation material is produced by forming under heat a mat of inorganic fibers with an uncured, thermosetting organic binder adhered thereon into the core material while pressing the mat for at least 30 seconds such that a density of the mat increases to 150 to 400 kg/m3.
    Type: Application
    Filed: July 15, 2004
    Publication date: February 3, 2005
    Applicants: Asahi Fiber Glass Co., Ltd., NISSHINBO INDUSTRIES, INC.
    Inventors: Daisuke Kondo, Shinichi Ochiai, Masato Hayashi, Hideto Sato
  • Biodegradable plastic composition, a molded article thereof and a method for controlling biodegradation rate
    Patent number: 6846860
    Abstract: A biodegradable plastic composition enabling to stably adjust biodegradation rate, improve hydrolysis resistance and heat resistance, and retain transparency, molded articles thereof and a method for controlling biodegradation rate of the biodegradable plastic. In more detail, a biodegradable plastic composition, characterized in that said composition is made by compounding 100 parts by weight of a biodegradable plastic (A), in particular, an aliphatic type polyester with 0.01 to 5 parts by weight of a carbodiimide compound (B) and 0.01 to 3 parts by weight of an antioxidant (C), in particular, a hindered phenol type antioxidant with a molecular weight of not less than 400 alone or mixed antioxidants of said hindered phenol type antioxidant and a phosphite type antioxidant, a molded article thereof and a method for controlling biodegradation rate of the biodegradable plastic.
    Type: Grant
    Filed: April 18, 2003
    Date of Patent: January 25, 2005
    Assignee: Nisshinbo Industries, Inc.
    Inventors: Ikuo Takahashi, Hirotaka Iida, Norimasa Nakamura, Tsuyoshi Takeuchi
  • Non-asbestos friction material
    Patent number: 6838161
    Abstract: A non-asbestos friction material is obtained by molding and curing a composition which includes a fibrous base other than asbestos, a binder and a filler wherein the fibrous base contains no inorganic fibers having a length of at least 5 ?m, a diameter of up to 3 ?m and an aspect ratio greater than 3, and the binder includes a resin having a flow of at most 27 mm at 125° C. The friction materials having a porosity of 8 to 20% exhibit a good braking performance and stability, are endowed with good resistance to fade and wear, provide enhanced safety and hygiene during production, and have minimal impact on the human body from dust generated during use.
    Type: Grant
    Filed: July 2, 2002
    Date of Patent: January 4, 2005
    Assignee: Nisshinbo Industries, Inc.
    Inventors: Fumihiko Tadokoro, Takayuki Ohe, Takeo Nagata, Jun Nagashima
  • Pregel compositions for polymer gel electrolytes, method of dehydrating pregel compositions, secondary cell, and electrical double-layer capacitor
    Patent number: 6838211
    Abstract: A pregel composition is added to an organic electrolyte solution of an electrolyte salt in a nonaqueous solvent for causing the solution to gel and form a polymer gel electrolyte. The pregel composition is dehydrated by azeotropic distillation and has a moisture content of not more than 1,000 ppm as determined by Karl Fischer titration. Polymer gel electrolytes prepared with such a pregel composition have a good electrochemical stability, and are thus highly suitable for use in secondary cells and electrical double-layer capacitors.
    Type: Grant
    Filed: March 4, 2002
    Date of Patent: January 4, 2005
    Assignee: Nisshinbo Industries, Inc.
    Inventors: Kimiyo Banno, Takaya Sato
  • Method for producing DNA
    Patent number: 6838266
    Abstract: DNA is produced by preparing oligomers having partial sequences selected according to a specific scheme based on a target nucleotide sequence, and performing PCR using two of single strand DNAs base-paired at their 3? ends as primers and templates to prepare DNA, in a specific manner.
    Type: Grant
    Filed: July 27, 2001
    Date of Patent: January 4, 2005
    Assignee: Nisshinbo Industries, Inc.
    Inventor: Satoshi Aotsuka
  • Friction material
    Publication number: 20040265557
    Abstract: A friction material obtainable by molding and curing a material composition comprising a fibrous base, a binder, and a filler, wherein an amount of sulfate ions extracted from the friction material measured in accordance with JIS K 0127 is about 0.2 mg/g or smaller and the pH of the friction material is about 10.0 or higher and less than about 13.0.
    Type: Application
    Filed: June 24, 2004
    Publication date: December 30, 2004
    Applicant: Nisshinbo Industries, Inc.
    Inventors: Seiji Suzuki, Yasuki Hattori, Kazuhide Yamamoto
  • Vacuum heat insulating material and manufacturing method therefor
    Publication number: 20040253406
    Abstract: Provided is a vacuum heat insulating material, using inorganic fibers as a core material, high in heat insulating performance (low in thermal conductivity), capable of maintaining the heat insulating performance for a long period, free of defects such as projections and depressions on a large scale on a surface thereof, short in manufacturing time and advantageous in terms of cost; and a manufacturing method therefor. A vacuum heat insulating material of the present invention is of a construction in which a core material 1 and a gas adsorbent 2 are housed in a bag 3 made from a gas barrier film and the interior thereof is reduced in internal pressure thereof and air-tightly sealed, wherein the core material 1 is a molded product obtained by coating a binder B on inorganic fibers having an average fiber diameter in the range of from 3 to 5 &mgr;m at a coating amount in the range of from 0.5 to 1.
    Type: Application
    Filed: April 1, 2004
    Publication date: December 16, 2004
    Applicant: NISSHINBO INDUSTRIES, INC.
    Inventors: Masato Hayashi, Hideto Sato
  • Recording material
    Patent number: 6827993
    Abstract: The present invention discloses a recording material in which an ink receiving layer containing at least a resin and a pigment is provided on a substrate, the recording material being characterized in that the ink receiving layer is porous, apparent density thereof is 0.2 to 0.8 g/cm3 and heat conductivity of the ink receiving layer and the substrate is 0.1 to 0.25 W/m·K. The recording material can produce highly precise image even if the amount of heat generated at the head is small and the printing pressure is low, i.e., the recording material has excellent dot reproduction and excellent dot transfer of highlighted portions.
    Type: Grant
    Filed: March 15, 2001
    Date of Patent: December 7, 2004
    Assignee: Nisshinbo Industries, Inc.
    Inventor: Hiroyuki Horiuchi
  • Fluorescent group-containing carbodiimide compound and process for producing the compound
    Patent number: 6825195
    Abstract: A novel carbodiimide compound represented by the general formula (1) having an ester linkage and containing a fluorescent group can be prepared for providing a novel carbodiimide compound and a process for producing such a compound, in which the fluorescent group of such a compound can be efficiently introduced into a nucleic acid including a naturally-occurring nucleic acid or into a protein in a simple manner, while retaining a sufficient solubility to water. In addition, a fluorescent group-containing compound and a carbodiimide compound which can be efficiently coupled together in a simple manner.
    Type: Grant
    Filed: May 21, 2002
    Date of Patent: November 30, 2004
    Assignee: Nisshinbo Industries, Inc.
    Inventor: Naoki Kimura
  • Mixer for coating an ion-conducting polymer on a powdered substance and method for coating the same
    Publication number: 20040234677
    Abstract: A mixer and a method for mixing and press-sliding a mixture of an ion-conducting polymer or a raw material of the ion-conducting polymer with a powdered substance 11 are disclosed. Due to the effective press-sliding process of this invention, the powdered substance 11 is effectively coated with the ion-conducting polymer 12.
    Type: Application
    Filed: March 5, 2004
    Publication date: November 25, 2004
    Applicants: Nisshinbo Industries, INC., Itochu Corp.
    Inventors: Takaya Sato, Tatsuo Shimizu
  • Highly heat-resistant plasma etching electrode and dry etching device including the same
    Patent number: 6818097
    Abstract: A plasma etching electrode for dry etching devices for production of semiconductor devices. The plasma etching electrode is prevented from contamination with impurities, provides good thermal and electrical conductance and heat resistance at the joint between the electrode plate and pedestal (or supporting ring), and hence improves etching characteristics and silicon wafer yield. The highly heat-resistant plasma etching electrode includes an electrode plate of silicon which is supported by and uniformly joined to a pedestal by an adhesive. The pedestal is made of graphite. The adhesive includes an epoxy resin containing polycarbodiimide resin and carbon powder. A dry etching device including the electrode is also described.
    Type: Grant
    Filed: July 22, 2002
    Date of Patent: November 16, 2004
    Assignee: Nisshinbo Industries, Inc.
    Inventors: Akira Yamaguchi, Hideshi Tomita
  • Fuel cell separator and polymer electrolyte fuel cell
    Patent number: 6815112
    Abstract: Disclosed is a fuel cell separator molded from a fuel cell separator composition mainly containing a conductive material and a binder, characterized in that said separator is specified such that after 3.5 g of a test piece cut from said fuel cell separator is put in 305 mL of pure water and the water is heated at 90° C. for 500 hr, an electric conductivity of the water is 50 &mgr;S/cm or less. The fuel cell separator thus obtained is effective to reduce elution of ions and exhibit a high moldability and a high dimensional stability. Further, a polymer electrolyte fuel cell using the fuel cell separators is effective to exhibit a stable output without reduction in output during operation and enhance the operational efficiency.
    Type: Grant
    Filed: June 22, 2001
    Date of Patent: November 9, 2004
    Assignee: Nisshinbo Industries, Inc.
    Inventors: Kazuo Saito, Atsushi Hagiwara, Koji Banno, Ayumi Horiuchi
  • Capacitor unit with electric double layer capacitors, control method and control apparatus for the same, and accumulator system for motor vehicles
    Patent number: 6809433
    Abstract: A capacitor unit with plural double layer capacitors eliminating irregularity in a state of charge of the respective double layer capacitor in the capacitor unit. A capacitor unit, a capacitor unit control method, a capacitor unit control apparatus and a vehicle charging system, wherein a chargeable and dischargeable capacitor unit 1 with plural electronic double layer capacitors 11 connected in series is characterized in that electric double layer capacitors 11 in a higher state of charge is subject to discharge so that a state of charging of the respective electric double layer capacitor 11 may become approximately equal to each other.
    Type: Grant
    Filed: July 8, 2002
    Date of Patent: October 26, 2004
    Assignee: Nisshinbo Industries Inc.
    Inventor: Ryutaro Nozu
  • Electrically conductive resinous composition, fuel cell separator and production thereof, and polymer electrolyte fuel cell
    Patent number: 6803139
    Abstract: Disclosed herein are an electrically conductive resinous composition composed mainly of an electrically conductive carbon powder and a binding agent, wherein said binding agent is a mixture of a thermoplastic resin and a carbodiimide compound, a fuel cell separator and a process for production thereof, and polymer electrolyte fuel cell. The present invention permits efficient mass production of fuel cell separators having high elasticity, good releasability, good dimensional accuracy, and good gas impermeability. The polymer electrolyte fuel cell, in which all or part of separators are those pertaining to the present invention, is immune to the cracking of separators at the time of assembling, decreases only a little in output after continuous operation, and exhibits good gas sealing performance and high impact resistance.
    Type: Grant
    Filed: July 3, 2001
    Date of Patent: October 12, 2004
    Assignee: Nisshinbo Industries, Inc.
    Inventors: Kazuo Saito, Atsushi Hagiwara, Yasuo Imashiro, Naofumi Horie, Fumio Tanno, Tsutomu Uehara
  • Polymeric composition for friction elements
    Patent number: 6797790
    Abstract: The polymeric composition for friction elements comprises a co-polymer between (I) a resin containing phenolic groups and a reticulation agent, and (II) an organopolysiloxane resin containing terminal silanol groups. A part at least of the phenolic groups is bound to the terminal silanol groups. A process of the preparation of the above polymeric composition may comprise the following steps: a) mixing (I) a resin containing the phenolic groups and the reticulation agent, (II) containing the terminal silanol groups, and (III) an epoxy resin or the epoxidisesd organopolysiloxane; b) curing the mixture for a period of time sufficient to complete substantially the reaction between the phenolic groups and the terminal silanol groups, c) post-heating the product obtained under b).
    Type: Grant
    Filed: April 23, 2002
    Date of Patent: September 28, 2004
    Assignee: Nisshinbo Industries, Inc.
    Inventors: Vasilios Kanellopoulos, Isabelle Louis-Joseph-Dogue, Vincent Daniel McGinniss, Duryodhan Mangaraj, Tomoki Tsuchiy Nakamura
  • Electrical component and method for manufacturing the same
    Patent number: 6793692
    Abstract: To provide an electrical component, in which ions migrate between electrodes and which provides high efficiency. A method for manufacturing an electrical component, in which ions migrate between electrodes, whereby an ion conductive polymer layer 2 dissolving ions is formed on an electrode material layer 12 of at least one of a pair of electrode structures 1 which comprise an electrode material layer 12 formed on a current collector 11, said pair of electrode structures 1 are arranged at opposed positions with the current collector 11 facing outward, and this is stored in a housing 4, and liquid electrolyte is injected into the housing.
    Type: Grant
    Filed: May 11, 2001
    Date of Patent: September 21, 2004
    Assignees: Nisshinbo Industries, Inc., Itochu Corporation
    Inventors: Takaya Sato, Tatsuo Shimizu
  • Brake cable connecting apparatus for a drum brake device
    Publication number: 20040159506
    Abstract: A cable disengagement prevention configuration for a drum brake device that provides a simple and safe connection of a brake cable to a brake lever and reliably prevents disengagement of the brake cable after connecting the brake cable to the brake lever. The cable disengagement prevention configuration mainly comprises a bowfront portion 18f of the brake lever 18 and a brake shoe 11. The bowfront portion 18f is formed between a primary seating 18e and a secondary seating 18g and is positioned apart from the primary seating 18e at an opening side of a U-shaped groove 18d. The cable disengagement prevention configuration allows a cable end fitting 28 to pass through a gap between the brake lever 18 and the brake shoe 11 only when rotating the brake lever 18.
    Type: Application
    Filed: February 12, 2004
    Publication date: August 19, 2004
    Applicant: Nisshinbo Industries, Inc.
    Inventor: Takashi Ikeda