Patents by Inventor Tsuyoshi Iwasa

Tsuyoshi Iwasa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20200275655
    Abstract: A compound represented by formula (I) or formula (II): wherein, A represents an oxygen atom or a sulfur atom; X1 represents a halogeno group, a substituted or unsubstituted C1-6 alkyl group and so on; m represents the number of X1 and is any integer of 0 to 5; any two of X1 may be bound together to form a bivalent hydrocarbon group; Y represents a single bond or a substituted or unsubstituted C2-6 alkenylene group; Q1 represents a substituted or unsubstituted C6-10 arylene group or a substituted or unsubstituted 6- to 10-membered heteroarylene group; Q2 represents a substituted or unsubstituted C6-10 aryl group or a substituted or unsubstituted 5- to 6-membered heteroaryl group; Zq? represents a counter ion; and q represents a valence of the counter ion and is 1 or 2.
    Type: Application
    Filed: November 27, 2018
    Publication date: September 3, 2020
    Applicant: Nippon Soda Co., Ltd.
    Inventors: Takao IWASA, Katsunori TANAKA, Atsuko NABETA, Riho TAGUCHI, Kotaro SHIBAYAMA, Hiroto SUZUKI, Rie SAKAMOTO, Miho TAKAHASHI, Tsuyoshi HOYA
  • Patent number: 10286443
    Abstract: A ring rolling mill includes: a rotary drive main roll and a mandrel roll, which are for reducing the thickness of and rolling a ring-shaped material from the radial direction; a pair of rotary drive axial rolls for reducing the thickness of and rolling the ring-shaped material from the axial direction; a measuring roll for measuring the diameter of the ring-shaped material during rolling; and a speed control unit for controlling the speed of the axial rolls. The speed control unit is configured to repeat measuring the diameter at predetermined time intervals ?t and comparing a measurement value Lt of the diameter at time t and a measurement value Lt+?t of the diameter at time t+?t, and the speed control unit is further configured to maintain the speed of the axial rolls unchanged upon the result of the comparison being Lt+?t<Lt.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: May 14, 2019
    Assignee: HITACHI METALS, LTD.
    Inventors: Naoyuki Iwasa, Tsuyoshi Fukui
  • Publication number: 20160201205
    Abstract: The present invention controls a temperature rise due to resistance in electrolysis, and prevents an anode from falling off A holding member is attached in surface contact with one side of an electrode plate made of a low melting metal or a low melting alloy having a melting point of not less than 100° C. and not more than 250° C., the holding member having a length equal to or longer than the length of said one side and being made of a metal or an alloy having a melting point higher than the melting point of the electrode plate.
    Type: Application
    Filed: July 23, 2014
    Publication date: July 14, 2016
    Applicant: SUMITOMO METAL MINING CO., LTD.
    Inventors: Noriaki SUGAMOTO, Tatsuo KIBE, Tetsuro KAMO, Tsuyoshi IWASA, Tetsuji KAWAKAMI, Kou TAKADA, Toshio MORIMOTO
  • Publication number: 20150175874
    Abstract: To provide a well proppant containing fluororesin-coated particles which has a sufficiently small frictional resistance of the surface, which has sufficient chemical resistance and strength, which can be produced with high productivity, of which proppant particles as a base substrate are hardly corroded, and in which the adhesion between the coating fluororesin and the proppant particles as a base substrate is high, and a method for efficiently recovering hydrocarbons from a hydrocarbon-bearing formation. A well proppant containing fluororesin-coated particles having at least part of the surface of proppant particles coated with a fluororesin (F) having a volume flow rate of from 0.
    Type: Application
    Filed: March 4, 2015
    Publication date: June 25, 2015
    Applicant: Asahi Glass Company, Limited
    Inventors: Katsuya UENO, Kazuhiro KUNISADA, Kohta YAMADA, Toshinori TOMITA, Keisuke MORI, Tsuyoshi IWASA
  • Patent number: 8067075
    Abstract: A multilayer tube including at least three layers including a layer (a) formed of (A) polyamide 11 and/or polyamide 12, a layer (b) formed of (B) a polyamide (semi-aromatic polyamide) including a dicarboxylic acid unit containing a terephthalic acid and/or naphthalenedicarboxylic acid unit in a proportion of 50 mol % or more based on all dicarboxylic acid units, and a diamine unit containing an aliphatic diamine unit having a carbon number of 9 to 13 in a proportion of 60 mol % or more based on all diamine units, and a layer (c) formed of (C) a fluorine-containing polymer having introduced into the molecular chain thereof a functional group having reactivity with a polyamide-based resin, is provided as a multilayer tube excellent in an alcohol gasoline permeation-preventing property, interlayer adhesion, low-temperature impact resistance, heat resistance and chemical resistance.
    Type: Grant
    Filed: January 27, 2005
    Date of Patent: November 29, 2011
    Assignees: Ube Industries, Inc., Asahi Glass Company, Limited, Kuraray Co., Ltd.
    Inventors: Tomoharu Nishioka, Koji Nakamura, Tsuyoshi Iwasa, Atsushi Funaki, Eiichi Nishi, Koichi Uchida, Tsugunori Kashimura, Takashi Yamashita, Yuji Munesawa
  • Patent number: 7687142
    Abstract: A laminate for a printed wiring board having a laminate structure comprising an electrical insulator layer (A) and an electrical conductor layer (B) bonded directly to each other, wherein the electrical insulator layer (A) is formed of a fluorocopolymer comprising repeating units (a) based on tetrafluoroethylene and/or chlorotrifluoroethylene, repeating units (b) based on a fluoromonomer excluding tetrafluoroethylene and chlorotrifluoroethylene, and repeating units (c) based on a monomer having an acid anhydride residue and a polymerizable unsaturated bond in amounts of (a) being from 50 to 99.89 mol %, (b) being from 0.1 to 49.99 mol % and (c) being from 0.01 to 5 mol %, based on ((a)+(b)+(c)), and the electrical conductor layer (B) has a surface roughness of at most 10 ?m on the side being in contact with the electrical insulator layer (A). The laminate for a printed wiring board is excellent in signal response in a high frequency region.
    Type: Grant
    Filed: June 11, 2007
    Date of Patent: March 30, 2010
    Assignee: Asahi Glass Company, Limited
    Inventors: Tsuyoshi Iwasa, Atsushi Funaki, Yoshiaki Higuchi
  • Patent number: 7514132
    Abstract: To provide a multilayer laminate excellent in fuel barrier properties, fuel oil resistance, mechanical strength and interlaminar adhesion strength. A multilayer laminate having a layer of a fluororesin containing acid anhydride residue (for example, a tetrafluoroethylene/ethylene/(perfluoroethyl)ethylene/itaconic anhydride copolymer) and a layer of an amine-modified thermoplastic resin (for example, polyphenylene sulfide modified by a silane coupling agent containing an amino group). The multilayer laminate can be produced by co-extrusion and is excellent in the interlaminar adhesion strength, whereby it is suitable for a fuel hose or the like.
    Type: Grant
    Filed: May 12, 2006
    Date of Patent: April 7, 2009
    Assignee: Asahi Glass Company, Limited
    Inventors: Shigeru Aida, Tsuyoshi Iwasa
  • Patent number: 7476434
    Abstract: To provide a laminate for a flexible printed wiring board excellent in signal response in the high frequency region. A laminate for a flexible printed wiring board having a three-layer laminated structure where a reinforcing layer (A), an electrical insulator layer (B) and an electrical conductor layer (C) are laminated in this order, wherein the electrical insulator layer (B) is made of a fluorocopolymer comprising repeating units (a) based on tetrafluoroethylene and/or chlorotrifluoroethylene, repeating units (b) based on a fluoromonomer excluding tetrafluoroethylene and chlorotrifluoroethylene, and repeating units (c) based on a monomer having an acid anhydride residue and the electrical conductor layer (C) has a surface roughness of at most 10 ?m on the side being in contact with the electrical insulator layer (B). The laminate for a flexible printed wiring board is excellent in signal response in the high frequency region and excellent in flex resistance.
    Type: Grant
    Filed: June 18, 2007
    Date of Patent: January 13, 2009
    Assignee: Asahi Glass Company, Limited
    Inventors: Tsuyoshi Iwasa, Atsushi Funaki, Yoshiaki Higuchi
  • Publication number: 20080107866
    Abstract: To provide a laminate for a flexible printed wiring board excellent in signal response in the high frequency region. A laminate for a flexible printed wiring board having a three-layer laminated structure where a reinforcing layer (A), an electrical insulator layer (B) and an electrical conductor layer (C) are laminated in this order, wherein the electrical insulator layer (B) is made of a fluorocopolymer comprising repeating units (a) based on tetrafluoroethylene and/or chlorotrifluoroethylene, repeating units (b) based on a fluoromonomer excluding tetrafluoroethylene and chlorotrifluoroethylene, and repeating units (c) based on a monomer having an acid anhydride residue and the electrical conductor layer (C) has a surface roughness of at most 10 ?m on the side being in contact with the electrical insulator layer (B). The laminate for a flexible printed wiring board is excellent in signal response in the high frequency region and excellent in flex resistance.
    Type: Application
    Filed: June 18, 2007
    Publication date: May 8, 2008
    Applicant: ASAHI GLASS CO., LTD.
    Inventors: Tsuyoshi IWASA, Atsushi Funaki, Yoshiaki Higuchi
  • Publication number: 20070246255
    Abstract: A laminate for a printed wiring board having a laminate structure comprising an electrical insulator layer (A) and an electrical conductor layer (B) bonded directly to each other, wherein the electrical insulator layer (A) is formed of a fluorocopolymer comprising repeating units (a) based on tetrafluoroethylene and/or chlorotrifluoroethylene, repeating units (b) based on a fluoromonomer excluding tetrafluoroethylene and chlorotrifluoroethylene, and repeating units (c) based on a monomer having an acid anhydride residue and a polymerizable unsaturated bond in amounts of (a) being from 50 to 99.89 mol %, (b) being from 0.1 to 49.99 mol % and (c) being from 0.01 to 5 mol %, based on ((a)+(b)+(c)), and the electrical conductor layer (B) has a surface roughness of at most 10 ?m on the side being in contact with the electrical insulator layer (A) The laminate for a printed wiring board is excellent in signal response in a high frequency region.
    Type: Application
    Filed: June 11, 2007
    Publication date: October 25, 2007
    Applicant: Asahi Glass Company, Limited
    Inventors: Tsuyoshi Iwasa, Atsushi Funaki, Yoshiaki Higuchi
  • Publication number: 20070148389
    Abstract: A multilayer tube including at least three layers including a layer (a) formed of (A) polyamide 11 and/or polyamide 12, a layer (b) formed of (B) a polyamide (semi-aromatic polyamide) including a dicarboxylic acid unit containing a terephthalic acid and/or naphthalenedicarboxylic acid unit in a proportion of 50 mol % or more based on all dicarboxylic acid units, and a diamine unit containing an aliphatic diamine unit having a carbon number of 9 to 13 in a proportion of 60 mol % or more based on all diamine units, and a layer (c) formed of (C) a fluorine-containing polymer having introduced into the molecular chain thereof a functional group having reactivity with a polyamide-based resin, is provided as a multilayer tube excellent in an alcohol gasoline permeation-preventing property, interlayer adhesion, low-temperature impact resistance, heat resistance and chemical resistance.
    Type: Application
    Filed: January 27, 2005
    Publication date: June 28, 2007
    Applicants: Ube Industries, Ltd. a corporation of Japan, 1978-96, Asahi Glass Company, Limited, a corporation of Japan, Kuraray Co., Ltd., a corporation of Japan
    Inventors: Tomoharu Nishioka, Koji Nakamura, Tsuyoshi Iwasa, Atsushi Funaki, Eiichi Nishi, Koichi Uchida, Tsugunori Kashimura, Takashi Yamashita, Yuji Munesawa
  • Publication number: 20070056681
    Abstract: To provide a multilayer laminate excellent in fuel barrier properties, fuel oil resistance, mechanical strength and interlaminar adhesion strength. A multilayer laminate having a layer of a fluororesin containing acid anhydride residue (for example, a tetrafluoroethylene/ethylene/(perfluoroethyl)ethylene/itaconic anhydride copolymer) and a layer of an amine-modified thermoplastic resin (for example, polyphenylene sulfide modified by a silane coupling agent containing an amino group). The multilayer laminate can be produced by co-extrusion and is excellent in the interlaminar adhesion strength, whereby it is suitable for a fuel hose or the like.
    Type: Application
    Filed: May 12, 2006
    Publication date: March 15, 2007
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Shigeru Aida, Tsuyoshi Iwasa
  • Publication number: 20070036927
    Abstract: A laminate tube which comprises a layer made of a fluorocopolymer containing repeating units based on at least one fluoromonomer selected from the group consisting of tetrafluoroethylene and chlorotrifluoroethylene and repeating units based on at least one functional monomer selected from the group consisting of an acid anhydride having a polymerizable unsaturated bond and a dicarboxylic acid having a polymerizable unsaturated bond, and a layer made of a non-fluororesin directly laminated, and has a haze of from 0.1 to 30%. The laminate tube is excellent in transparency, excellent in interlaminar adhesion and anti-elution properties, excellent in liquid and gas barrier properties and applicable to transportation of a liquid such as a beverage and a coating composition.
    Type: Application
    Filed: October 16, 2006
    Publication date: February 15, 2007
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Atsushi Funaki, Tsuyoshi Iwasa
  • Patent number: 7019079
    Abstract: A tetrafluoroethylene/ethylene copolymer composition comprising a tetrafluoroethylene/ethylene copolymer (A) and a thermoplastic fluoropolymer (B) having a crystallization temperature higher than the crystallization temperature of said tetrafluoroethylene/ethylene copolymer (A) in a mass ratio of (A)/(B)=from 99.8/0.2 to 1/99. The composition is excellent in melt processability, and its formed product is excellent in mechanical properties and fuel barrier properties.
    Type: Grant
    Filed: October 2, 2003
    Date of Patent: March 28, 2006
    Assignee: Asahi Glass Company, Limited
    Inventors: Naoko Sumi, Shigeru Aida, Atsushi Funaki, Masahide Yodogawa, Tsuyoshi Iwasa
  • Publication number: 20040116606
    Abstract: A tetrafluoroethylene/ethylene copolymer composition comprising a tetrafluoroethylene/ethylene copolymer (A) and a thermoplastic fluoropolymer (B) having a crystallization temperature higher than the crystallization temperature of said tetrafluoroethylene/ethylene copolymer (A) in a mass ratio of (A)/(B)=from 99.8/0.2 to 1/99. The composition is excellent in melt processability, and its formed product is excellent in mechanical properties and fuel barrier properties.
    Type: Application
    Filed: October 2, 2003
    Publication date: June 17, 2004
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Naoko Sumi, Shigeru Aida, Atsushi Funaki, Masahide Yodogawa, Tsuyoshi Iwasa
  • Patent number: 6013729
    Abstract: There is disclosed a moisture-curable elastomer composition obtained by dynamic heat treatment of a mixture comprising(a) an ethylene-.alpha.-olefin-unconjugated diene copolymer rubber,(b) a silicon-based crosslinking agent having two or more SiH groups within the molecule,(c) a hydrosilylation catalyst and(d) a hydrolyzable silane group-containing thermoplastic resin. Also disclosed is an elastomer composition resulting from molding of the above elastomer composition, followed by contacting with water, preferably in the presence of a silanol catalyst, to thereby cause crosslinking of the hydrolyzable silane group-containing thermoplastic resin. The elastomer composition of the present invention is excellent in rubber elasticity at high temperatures, low temperature impact resistance and oil resistance and have good moldability.
    Type: Grant
    Filed: April 1, 1998
    Date of Patent: January 11, 2000
    Assignee: Sumitomo Bakelite Co., Ltd.
    Inventors: Motoyoshi Tsujimoto, Tsuyoshi Iwasa