Patents by Inventor Eiichi Nishi

Eiichi Nishi 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).

  • Patent number: 11041053
    Abstract: A resin powder having a high bulk density and an average particle size of at most 50 ?m from resin particles containing a fluorocopolymer as the main component and having a melting point of 260 to 320° C., where the fluorocopolymer contains a unit containing a carbonyl group-containing group, a unit based on tetrafluoroethylene, and a unit based on a perfluoro(alkyl vinyl ether) or a unit based on hexafluoropropylene. A method of producing the resin powder by subjecting resin particles (A) having an average particle size of at least 100 ?m to mechanical pulverization treatment. The resin particles (A) is made of a material (X) having a fluorocopolymer (X1) as the main component, which has a unit (1) based on a monomer containing at least one functional group selected from a carbonyl group-containing group, a hydroxy group, an epoxy group and an isocyanate group, and a unit (2) based on tetrafluoroethylene.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: June 22, 2021
    Assignee: AGC Inc.
    Inventors: Tomoya Hosoda, Eiichi Nishi, Toru Sasaki, Nobutaka Kidera
  • Patent number: 10716203
    Abstract: To provide an adhesive film comprising a polyimide film and a fluorinated resin layer directly laminated, in which blisters (foaming) in an atmosphere corresponding to reflow soldering at high temperature are suppressed, and a flexible metal laminate. An adhesive film having a fluorinated resin layer containing a fluorinated copolymer (A) directly laminated on one side or both sides of a polyimide film, wherein the fluorinated copolymer (A) has a melting point of at least 280° C. and at most 320° C., is melt-moldable, and has at least one type of functional groups selected from the group consisting of a carbonyl group-containing group, a hydroxy group, an epoxy group and an isocyanate group, and the fluorinated resin layer has a thickness of from 1 to 20 ?m.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: July 14, 2020
    Assignee: AGC Inc.
    Inventors: Tomoya Hosoda, Eiichi Nishi, Toru Sasaki, Yasuhiko Matsuoka, Wataru Kasai
  • Patent number: 10677379
    Abstract: To provide a laminate which is formed from resins and is excellent in heat resistance and excellent in flexibility and mechanical properties under high-temperature conditions and which undergoes no separation of layers even when contacted with oil such as engine oil for a long period of time. The laminate comprises a first layer containing a fluorinated copolymer and a second layer containing a polyamide directly laminated on the first layer, wherein the fluorinated copolymer has units based on tetrafluoroethylene, units based on ethylene, units based on a copolymerizable another monomer not having a carbonyl group, and carbonyl group-containing groups, wherein the amounts of the respective units are in specific ranges, and the tensile elongation at 200° C. of the fluorinated copolymer is at least 200%, and the melting point of the polyamide and the flexural elastic modulus at 23° C. of the second layer are in specific ranges.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: June 9, 2020
    Assignee: AGC Inc.
    Inventors: Eiichi Nishi, Tomoya Hosoda, Toru Sasaki
  • Publication number: 20200115509
    Abstract: To provide a method capable of producing, by means of mechanical pulverization, a resin powder having a high bulk density and an average particle size of at most 50 ?m from resin particles containing a fluorocopolymer as the main component and having a melting point of from 260 to 320° C., such as PFA. The method is to obtain a resin powder having an average particle size of from 0.02 to 50 ?m by subjecting resin particles (A) having an average particle size of at least 100 ?m to mechanical pulverization treatment. The resin particles (A) is made of a material (X) having a fluorocopolymer (X1) as the main component; and said fluorocopolymer (X1) has a unit (1) based on a monomer containing at least one type of functional group selected from the group consisting of a carbonyl group-containing group, a hydroxy group, an epoxy group and an isocyanate group, and a unit (2) based on tetrafluoroethylene, and has a melting point of from 260 to 320° C.
    Type: Application
    Filed: December 10, 2019
    Publication date: April 16, 2020
    Applicant: AGC Inc.
    Inventors: Tomoya HOSODA, Eiichi NISHI, Toru SASAKI, Nobutaka KIDERA
  • Publication number: 20180371228
    Abstract: To provide a fluororesin composition which is excellent in flexibility and oil resistance, is less susceptible to heat discoloration and is excellent in moldability. The fluororesin composition is made of a melt-kneaded product comprising a fluorinated elastomer having a storage shear modulus G? of at least 100 and a melt-moldable fluororesin having a melting point of at least 150° C., wherein the fluorinated elastomer is dispersed in the fluororesin, the content of the fluorinated elastomer is from 10 to 65 mass % to the total of the fluorinated elastomer and the fluororesin, and the total amount of the fluorinated elastomer and the fluororesin is at least 90 mass % to the fluororesin composition, and the storage modulus E? of the fluororesin composition at a temperature higher by 25° C. than the melting point of the fluororesin is at most 250 kPa.
    Type: Application
    Filed: July 27, 2018
    Publication date: December 27, 2018
    Applicant: AGC Inc.
    Inventors: Satoko Yasuda, Hiroki Nagai, Eiichi Nishi, Toru Sasaki
  • Publication number: 20180038523
    Abstract: To provide a laminate which is formed from resins and is excellent in heat resistance and excellent in flexibility and mechanical properties under high-temperature conditions and which undergoes no separation of layers even when contacted with oil such as engine oil for a long period of time. The laminate comprises a first layer containing a fluorinated copolymer and a second layer containing a polyamide directly laminated on the first layer, wherein the fluorinated copolymer has units based on tetrafluoroethylene, units based on ethylene, units based on a copolymerizable another monomer not having a carbonyl group, and carbonyl group-containing groups, wherein the amounts of the respective units are in specific ranges, and the tensile elongation at 200° C. of the fluorinated copolymer is at least 200%, and the melting point of the polyamide and the flexural elastic modulus at 23° C. of the second layer are in specific ranges.
    Type: Application
    Filed: October 2, 2017
    Publication date: February 8, 2018
    Applicant: Asahi Glass Company, Limited
    Inventors: Eiichi NISHI, Tomoya HOSODA, Toru SASAKI
  • Publication number: 20170130009
    Abstract: To provide a method capable of producing, by means of mechanical pulverization, a resin powder having a high bulk density and an average particle size of at most 50 ?m from resin particles containing a fluorocopolymer as the main component and having a melting point of from 260 to 320° C., such as PFA. The method is to obtain a resin powder having an average particle size of from 0.02 to 50 ?m by subjecting resin particles (A) having an average particle size of at least 100 ?m to mechanical pulverization treatment. The resin particles (A) is made of a material (X) having a fluorocopolymer (X1) as the main component; and said fluorocopolymer (X1) has a unit (1) based on a monomer containing at least one type of functional group selected from the group consisting of a carbonyl group-containing group, a hydroxy group, an epoxy group and an isocyanate group, and a unit (2) based on tetrafluoroethylene, and has a melting point of from 260 to 320° C.
    Type: Application
    Filed: January 24, 2017
    Publication date: May 11, 2017
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Tomoya HOSODA, Eiichi NISHI, Toru SASAKI, Nobutaka KIDERA
  • Publication number: 20170130874
    Abstract: To provide a resin-coated metal pipe which is excellent in corrosion resistance and impact resistance, wherein adhesion between a plating layer and a resin coating layer is good even without a primer layer, and whereby the number of steps at the time of production is small, and the environmental burden is low. A resin-coated metal pipe (10) comprises a metal pipe (12), a plating layer (14) formed by hot dipping plating on the outer peripheral surface of the metal pipe (12), and a resin coating layer (16) formed by melt molding on the surface of the plating layer (14), wherein the resin coating layer (16) is made of a resin material comprising a melt-moldable fluororesin (A) having at least one type of reactive functional group selected from the group consisting of a carbonyl group-containing group, a hydroxy group, an epoxy group and an isocyanate group.
    Type: Application
    Filed: January 13, 2017
    Publication date: May 11, 2017
    Applicants: Asahi Glass Company, Limited, Sanoh Industrial Co., Ltd.
    Inventors: Ryoji Watanabe, Eiichi Nishi, Toru Sasaki, Tomoya Hosoda, Naoki Kawai, Takahiro Gunji
  • Patent number: 9487650
    Abstract: Disclosed is a resin composition comprising a melt-moldable side chain 1,2-diol-containing PVA-based resin (A), and fluororesin containing a polar functional group capable of reacting with or forming hydrogen bond(s) with hydroxyl group (B). The component (A) and the component (B) have excellent affinity, and therefore if either the component (A) or component (B) becomes matrix, the other can be finely dispersed into the matrix, thus providing a resin composition having excellent gas-barrier property, solvent resistance, and bending fatigue resistance. The present invention also provides emulsified dispersion and binder in which the resin composition is used.
    Type: Grant
    Filed: April 26, 2013
    Date of Patent: November 8, 2016
    Assignees: THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD., ASAHI GLASS COMPANY, LIMITED
    Inventors: Mitsuo Shibutani, Akinobu Inakuma, Yasuhiro Hirano, Seiji Maeda, Eiichi Nishi, Shigeru Aida, Shintaro Fukunaga
  • Publication number: 20160242274
    Abstract: To provide an adhesive film comprising a polyimide film and a fluorinated resin layer directly laminated, in which blisters (foaming) in an atmosphere corresponding to reflow soldering at high temperature are suppressed, and a flexible metal laminate. An adhesive film having a fluorinated resin layer containing a fluorinated copolymer (A) directly laminated on one side or both sides of a polyimide film, wherein the fluorinated copolymer (A) has a melting point of at least 280° C. and at most 320° C., is melt-moldable, and has at least one type of functional groups selected from the group consisting of a carbonyl group-containing group, a hydroxy group, an epoxy group and an isocyanate group, and the fluorinated resin layer has a thickness of from 1 to 20 ?m.
    Type: Application
    Filed: April 28, 2016
    Publication date: August 18, 2016
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Tomoya HOSODA, Eiichi NISHI, Toru SASAKI, Yasuhiko MATSUOKA, Wataru KASAI
  • Patent number: 9388009
    Abstract: An objective of the present invention is to provide a sliding member for sheet-shaped recording material detachment having superior resistance to abrasion and superior heat resistant rigidity, and either a seal ring for an automobile or a seal ring or a sliding member for an industrial gas compressor, having high mechanical strength while ensuring flexibility. The objective is achieved with a sliding member for sheet-shaped recording material detachment, and either a seal ring for an automobile or a seal ring or a sliding member for an industrial gas compressor, made from a resin composite comprising: as a first element, either an adhesive fluorocarbon resin (A) or a resin compound of the resin (A) and a fluorocarbon resin (B) which differs from the resin (A), which are in a volumetric ratio (AB) of 5/95 to 99/1; and as a second element, 0.5 to 99 volume % of a thermoplastic polyimide (C).
    Type: Grant
    Filed: November 10, 2011
    Date of Patent: July 12, 2016
    Assignees: ASAHI GLASS CO., LTD., STARLITE CO., LTD.
    Inventors: Eiichi Nishi, Takashi Sato, Hiroyoshi Uejima, Tomokazu Ichikawa, Toru Hashimoto, Shinya Kikutani, Kazuhiro Mizutani, Ryo Hisano
  • Publication number: 20160064115
    Abstract: To provide a wire coating resin material comprising an ETFE type copolymer, capable of forming a coating layer which is excellent in thermal stress cracking resistance and has good mechanical properties, and an electric wire having a coating layer which is excellent in thermal stress cracking resistance and has good mechanical properties. A wire coating resin material comprising a resin component (X) composed of at least one type of a copolymer (A) which has units derived from tetrafluoroethylene and units derived from ethylene, wherein at least one type of the copolymer (A) is a copolymer (A1) which further has units derived from a monomer having at least two polymerizable carbon-carbon double bonds or units derived from a monomer having a radical generating group; the strain hardening rate (parameter showing the degree of strain hardening such that the elongational viscosity deviates from a linear region and sharply increases in a high strain region) of the resin component (X) is from 0.1 to 0.
    Type: Application
    Filed: November 4, 2015
    Publication date: March 3, 2016
    Applicant: Asahi Glass Company, Limited
    Inventors: Tatsuya TERADA, Eiichi NISHI, Takashi SATO
  • Publication number: 20150038633
    Abstract: Disclosed is a resin composition comprising a melt-moldable side chain 1,2-diol-containing PVA-based resin (A), and fluororesin containing a polar functional group capable of reacting with or forming hydrogen bond(s) with hydroxyl group (B). The component (A) and the component (B) have excellent affinity, and therefore if either the component (A) or component (B) becomes matrix, the other can be finely dispersed into the matrix, thus providing a resin composition having excellent gas-barrier property, solvent resistance, and bending fatigue resistance. The present invention also provides emulsified dispersion and binder in which the resin composition is used.
    Type: Application
    Filed: April 26, 2013
    Publication date: February 5, 2015
    Inventors: Mitsuo Shibutani, Akinobu Inakuma, Yasuhiro Hirano, Seiji Maeda, Eiichi Nishi, Shigeru Aida, Shintaro Fukunaga
  • Patent number: 8844438
    Abstract: A screen printing apparatus includes: a main squeegee that includes a pair of end portions in a width direction and prints, by sliding in a direction orthogonal to the width direction on an upper surface of a screen that is supplied with a paste-like material and on which a hole is formed, the paste-like material on an upper surface of a printing object provided on a lower surface side of the screen via the hole; and a pair of auxiliary squeegees each including a first end portion provided more on an outer side than the end portion in the width direction and a second end portion provided more on an inner side than the end portion in the width direction, the pair of auxiliary squeegees being tilted a predetermined angle with respect to the main squeegee on a rear side of the main squeegee in the sliding direction.
    Type: Grant
    Filed: March 22, 2010
    Date of Patent: September 30, 2014
    Assignee: Juki Automation Systems Corporation
    Inventors: Eiichi Nishi, Muneyoshi Numao
  • Publication number: 20130313774
    Abstract: An objective of the present invention is to provide a sliding member for sheet-shaped recording material detachment having superior resistance to abrasion and superior heat resistant rigidity, and either a seal ring for an automobile or a seal ring or a sliding member for an industrial gas compressor, having high mechanical strength while ensuring flexibility. The objective is achieved with a sliding member for sheet-shaped recording material detachment, and either a seal ring for an automobile or a seal ring or a sliding member for an industrial gas compressor, made from a resin composite comprising: as a first element, either an adhesive fluorocarbon resin (A) or a resin compound of the resin (A) and a fluorocarbon resin (B) which differs from the resin (A), which are in a volumetric ratio (AB) of 5/95 to 99/1; and as a second element, 0.5 to 99 volume % of a thermoplastic polyimide (C).
    Type: Application
    Filed: November 10, 2011
    Publication date: November 28, 2013
    Applicants: STARLITE CO., LTD., ASAHI GLASS CO., LTD.
    Inventors: Eiichi Nishi, Takashi Sato, Hiroyoshi Uejima, Tomokazu Ichikawa, Toru Hashimoto, Shinya Kikutani, Kazuhiro Mizutani, Ryo Hisano
  • Patent number: 8590450
    Abstract: A screen printing apparatus that prevents degradation of a printing tact and print quality is provided. There are included a cleaning unit 14 that cleans one surface 11c of a screen mask 11 opposing a workpiece 2, the screen mask 11 having a print pattern for printing a pattern on the workpiece 2, and a conveying means 15 that conveys the cleaning unit 14 over the surface 11c of the screen mask 11. The cleaning unit 14 includes cleaning paper 21 that contacts the surface 11c of the screen mask 11, a scraper 22 that brings the cleaning paper 21 into contact with the surface 11c of the screen mask 11, that slides on the surface 11c of the screen mask 11 with the cleaning paper 21 being disposed therebetween, and that has an uneven face portion 22b, and a scraper moving means 23 that moves the scraper 22 to the contact position.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: November 26, 2013
    Assignee: Sony Corporation
    Inventors: Eiichi Nishi, Muneyoshi Numao
  • 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
  • Publication number: 20110061549
    Abstract: A screen printing apparatus that prevents degradation of a printing tact and print quality is provided. There are included a cleaning unit 14 that cleans one surface 11c of a screen mask 11 opposing a workpiece 2, the screen mask 11 having a print pattern for printing a pattern on the workpiece 2, and a conveying means 15 that conveys the cleaning unit 14 over the surface 11c of the screen mask 11. The cleaning unit 14 includes cleaning paper 21 that contacts the surface 11c of the screen mask 11, a scraper 22 that brings the cleaning paper 21 into contact with the surface 11c of the screen mask 11, that slides on the surface 11c of the screen mask 11 with the cleaning paper 21 being disposed therebetween, and that has an uneven face portion 22b, and a scraper moving means 23 that moves the scraper 22 to the contact position.
    Type: Application
    Filed: April 24, 2009
    Publication date: March 17, 2011
    Inventors: Eiichi Nishi, Muneyoshi Numao
  • Publication number: 20100242754
    Abstract: A screen printing apparatus includes: a main squeegee that includes a pair of end portions in a width direction and prints, by sliding in a direction orthogonal to the width direction on an upper surface of a screen that is supplied with a paste-like material and on which a hole is formed, the paste-like material on an upper surface of a printing object provided on a lower surface side of the screen via the hole; and a pair of auxiliary squeegees each including a first end portion provided more on an outer side than the end portion in the width direction and a second end portion provided more on an inner side than the end portion in the width direction, the pair of auxiliary squeegees being tilted a predetermined angle with respect to the main squeegee on a rear side of the main squeegee in the sliding direction.
    Type: Application
    Filed: March 22, 2010
    Publication date: September 30, 2010
    Applicant: SONY CORPORATION
    Inventors: Eiichi Nishi, Muneyoshi Numao
  • Publication number: 20080081139
    Abstract: To attain a multilayer tube excellent in chemical resistance, gas barrier property, and cleanness, the present invention provides a multilayer tube (1) comprising: a first layer (10) composed of a fluororesin; and a second layer (30) covering one surface of the first layer (10) and composed of a polyamide-based resin free of an additive.
    Type: Application
    Filed: September 21, 2007
    Publication date: April 3, 2008
    Applicants: NICHIAS CORPORATION, ASAHI GLASS COMPANY, LIMITED
    Inventors: Kengo Iwahara, Kouji Fukae, Eiichi Nishi, Takeshi Kurumisawa