Patents by Inventor Yushi Ando

Yushi Ando 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: 11066579
    Abstract: This curable composition can easily reinforce shaped objects and the reinforced shaped objects have good color developability and excellent texture. The curable composition includes a 2-cyanoacrylic acid ester and a surface conditioner, in which the c content of the surface conditioner is 0.001-10 parts by mass relative to 100 parts by mass of the 2-cyanoacrylic acid ester, and the surface tension of the composition is 28 mN/m or less at 25° C. Preferred surface conditioners are silicone-based and fluorinated surface conditioners. Reinforced shaped objects and a method for reinforcing shaped objects using the curable composition are also provided.
    Type: Grant
    Filed: April 26, 2016
    Date of Patent: July 20, 2021
    Assignee: TOAGOSEI CO., LTD.
    Inventors: Hiroshige Oikawa, Yushi Ando
  • Patent number: 10793749
    Abstract: To provide a 2-cyanoacrylate-based adhesive composition not only exhibiting an excellent adhesion rate to a metal and a thermoplastic elastomer low in polarity, but also being excellent in storage stability. A 2-cyanoacrylate-based adhesive composition containing a 2-cyanoacrylic acid ester, and a compound having a sulfur atom-containing heteroallene structure.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: October 6, 2020
    Assignee: TOAGOSEI CO., LTD.
    Inventors: Kenichi Ishizaki, Yushi Ando
  • Patent number: 10487244
    Abstract: There is provided a one-pack type room-temperature-curable 2-cyanoacrylate based composition having magnetism. The 2-cyanoacrylate based composition having magnetism is characterized by containing (a) a 2-cyanoacrylic acid ester and (b) a magnetic powder dispersible in the 2-cyanoacrylic acid ester, wherein the content of the magnetic powder (b) is 5 to 500 parts by weight relative to 100 parts by weight of the 2-cyanoacrylic acid ester (a). The magnetic powder (b) is preferably a stainless steel.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: November 26, 2019
    Assignee: TOAGOSEI CO., LTD.
    Inventors: Hiroshige Oikawa, Yushi Ando
  • Publication number: 20190233679
    Abstract: To provide a 2-cyanoacrylate-based adhesive composition not only exhibiting an excellent adhesion rate to a metal and a thermoplastic elastomer low in polarity, but also being excellent in storage stability. A 2-cyanoacrylate-based adhesive composition containing a 2-cyanoacrylic acid ester, and a compound having a sulfur atom-containing heteroallene structure.
    Type: Application
    Filed: June 23, 2017
    Publication date: August 1, 2019
    Applicant: TOAGOSEI CO., LTD.
    Inventors: Kenichi ISHIZAKI, Yushi ANDO
  • Patent number: 10196316
    Abstract: Provided is a method for easily reinforcing a three-dimensional shaped object. The method for reinforcing a three-dimensional shaped object comprises reinforcing the three-dimensional shaped object using an impregnating composition containing a 2-cyanoacrylic acid ester having a specific structure, said impregnating composition having a viscosity at 25° C. in a range of from 1 to 1000 mPa·s, and said impregnating composition having a Shore hardness D in a range of from 20 to 75 when being hardened. Preferably, the three-dimensional shaped object is formed of an inorganic powder.
    Type: Grant
    Filed: December 3, 2014
    Date of Patent: February 5, 2019
    Assignee: TOAGOSEI CO., LTD.
    Inventors: Hiroshige Oikawa, Yushi Ando
  • Publication number: 20180368740
    Abstract: The present invention is a composition for detecting a latent fingerprint characterized in that the composition includes a 2-cyanoacrylate and a silicone oil, and that a content of the silicone oil is in a range from 700 to 9000 parts by mass based on 100 parts by mass of the 2-cyanoacrylate. The composition may further include a fluorescent dye, a stabilizer, etc.
    Type: Application
    Filed: July 25, 2016
    Publication date: December 27, 2018
    Applicant: TOAGOSEI CO., LTD
    Inventors: Osamu SHIMODA, Yoshiyuki TAKAGI, Motohiro MATSUMURA, Yushi ANDO
  • Publication number: 20180298242
    Abstract: This curable composition can easily reinforce shaped objects and the reinforced shaped objects have good color developability and excellent texture. The curable composition includes a 2-cyanoacrylic acid ester and a surface conditioner, in which the c content of the surface conditioner is 0.001-10 parts by mass relative to 100 parts by mass of the 2-cyanoacrylic acid ester, and the surface tension of the composition is 28 mN/m or less at 25° C. Preferred surface conditioners are silicone-based and fluorinated surface conditioners. Reinforced shaped objects and a method for reinforcing shaped objects using the curable composition are also provided.
    Type: Application
    Filed: April 26, 2016
    Publication date: October 18, 2018
    Inventors: Hiroshige OIKAWA, Yushi ANDO
  • Patent number: 9994662
    Abstract: The two-part curable composition has excellent curability, and exhibits flexibility and adhesion durability. The two-part curable composition includes a first reagent containing at least a 2-cyanoacrylic acid ester and a second reagent containing at least a polymer having a hydrolyzable silyl group, in which an elastomer and a curing catalyst for the above polymer are each contained in at least one of the first and second reagents in predetermined amounts. A preferable curing catalyst is a compound having a metal element and an organic group bonded to the metal element via oxygen, or an acid having a pKa of 4 or lower at 25° C. Preferably, a curing accelerator for 2-cyanoacrylic acid ester is contained in at least one of the first and second reagents.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: June 12, 2018
    Assignee: TOAGOSEI CO., LTD.
    Inventors: Kenichi Ishizaki, Yushi Ando
  • Patent number: 9932447
    Abstract: Provided is a curable resin composition which exhibits excellent curability and is good in storage stability. The curable resin composition comprises (a) a polymer having a hydrolyzable silyl group, (b) an acid catalyst, and (c) an onium salt represented by the following general formula (1): C+A???(1) wherein C+ is an onium cation, and A? is a hydrogen sulfate anion, a hydrogen sulfite anion, a sulfonate anion represented by R1SO3? wherein R1 represents an alkyl group, perfluoroalkyl group, cycloalkyl group, vinyl group, aryl group, perfluoroaryl group, aralkyl group or halogen atom; or a bis(substituted sulfonyl)imide anion represented by (R2SO2)2N? wherein R2 represents an alkyl group, perfluoroalkyl group, or aryl group; tetrafluoroborate anion, or hexafluorophosphate anion.
    Type: Grant
    Filed: August 22, 2014
    Date of Patent: April 3, 2018
    Assignee: TOAGOSEI CO., LTD.
    Inventors: Kenichi Ishizaki, Yushi Ando
  • Publication number: 20170327616
    Abstract: The two-part curable composition has excellent curability, and exhibits flexibility and adhesion durability. The two-part curable composition includes a first reagent containing at least a 2-cyanoacrylic acid ester and a second reagent containing at least a polymer having a hydrolyzable silyl group, in which an elastomer and a curing catalyst for the above polymer are each contained in at least one of the first and second reagents in predetermined amounts. A preferable curing catalyst is a compound having a metal element and an organic group bonded to the metal element via oxygen, or an acid having a pKa of 4 or lower at 25° C. Preferably, a curing accelerator for 2-cyanoacrylic acid ester is contained in at least one of the first and second reagents.
    Type: Application
    Filed: December 1, 2015
    Publication date: November 16, 2017
    Inventors: Kenichi ISHIZAKI, Yushi ANDO
  • Publication number: 20170233614
    Abstract: There is provided a one-pack type room-temperature-curable 2-cyanoacrylate based composition having magnetism. The 2-cyanoacrylate based composition having magnetism is characterized by containing (a) a 2-cyanoacrylic acid ester and (b) a magnetic powder dispersible in the 2-cyanoacrylic acid ester, wherein the content of the magnetic powder (b) is 5 to 500 parts by weight relative to 100 parts by weight of the 2-cyanoacrylic acid ester (a). The magnetic powder (b) is preferably a stainless steel.
    Type: Application
    Filed: September 24, 2015
    Publication date: August 17, 2017
    Inventors: Hiroshige OIKAWA, Yushi ANDO
  • Patent number: 9688840
    Abstract: An adhesive composition is provided which is excellent in adhesion rate on non-polar hard-to-bond materials and bond gap curability, and further is good in storage stability. It is a 2-cyanoacrylate-based adhesive composition which includes (a) a 2-cyanoacrylic acid ester and (b) an onium salt represented by the following general formula (1): nC+A?n-X??(1) wherein, in formula (1), C+ represents an onium cation, A? represents at least one anion selected from the group consisting of —SO3?, —OSO3? and a specific imide anion, X represents a linking group which connects at least two anions together, and n is an integer of 2 or more.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: June 27, 2017
    Assignee: TOAGOSEI CO., LTD.
    Inventors: Kenichi Ishizaki, Yushi Ando
  • Patent number: 9683146
    Abstract: Provided is an adhesive composition which is flexible, and exhibits excellent adhesion durability. The adhesive composition comprises (a) a 2-cyanoacrylic acid ester, (b) a polymer having a hydrolyzable silyl group, (c) an elastomer, and (d) an acid catalyst, in which the contents of the components (b), (c), and (d) are from 5 to 200 parts by mass, from 5 to 50 parts by mass, and from 0.0005 to 0.5 parts by mass, respectively, relative to 100 parts by mass of the component (a). Further preferably, the composition contains 0.001 to 5 parts by mass of (e) an onium salt relative to 100 parts by mass of the component (a).
    Type: Grant
    Filed: August 7, 2014
    Date of Patent: June 20, 2017
    Assignee: TOAGOSEI CO., LTD.
    Inventors: Kenichi Ishiazaki, Yushi Ando
  • Patent number: 9655550
    Abstract: The present invention provides a latent fingerprint detection method that is easy to handle and is capable of clearly detecting a latent fingerprint and a heating evaporation device for detecting a latent fingerprint and a latent fingerprint detection apparatus which are capable of detecting a clear latent fingerprint by a one-time operation by heating a chemical agent at high temperatures in a short time, as well as a composition for detecting a latent fingerprint. This latent fingerprint detection method includes a heating step of heating a chemical agent to be gasified by heating so as to attach to a latent fingerprint on a specimen, and an exposure step of exposing the specimen having the latent fingerprint attached thereto to the atmosphere of the gasified chemical agent. The chemical agent is a mixture of a 2-cyanoacrylic acid ester polymer and a dye.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: May 23, 2017
    Assignees: EARTH CHEMICAL CO., LTD., TOAGOSEI CO., LTD.
    Inventors: Osamu Shimoda, Yushi Sawada, Masao Fukushima, Makoto Miyamoto, Yushi Ando, Yuji Ishikawa
  • Patent number: 9611378
    Abstract: An adhesive composition is provided which exhibits an excellent adhesion rate on metals and low-polarity thermoplastic elastomers, and is excellent in appearance with no clouding of hardened bodies and is good in storage stability. It is a 2-cyanoacrylate-based adhesive composition which includes (a) a 2-cyanoacrylic acid ester and (b) an onium salt represented by the general formula: C+A?(1) where, in formula (1), C+ represents an onium cation, and A? represents a bis(fluorosulfonyl)imide anion.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: April 4, 2017
    Assignee: TOAGOSEI CO., LTD.
    Inventors: Kenichi Ishizaki, Yushi Ando
  • Publication number: 20170015814
    Abstract: An adhesive composition is provided which exhibits an excellent adhesion rate on metals and low-polarity thermoplastic elastomers, and is excellent in appearance with no clouding of hardened bodies and is good in storage stability. It is a 2-cyanoacrylate-based adhesive composition which includes (a) a 2-cyanoacrylic acid ester and (b) an onium salt represented by the general formula: C+A?(1) where, in formula (1), C+ represents an onium cation, and A? represents a bis(fluorosulfonyl)imide anion.
    Type: Application
    Filed: February 27, 2015
    Publication date: January 19, 2017
    Inventors: Kenichi ISHIZAKI, Yushi ANDO
  • Publication number: 20170015813
    Abstract: An adhesive composition is provided which is excellent in adhesion rate on non-polar hard-to-bond materials and bond gap curability, and further is good in storage stability. It is a 2-cyanoacrylate-based adhesive composition which includes (a) a 2-cyanoacrylic acid ester and (b) an onium salt represented by the following general formula (1): nC+A?n-X??(1) wherein, in formula (1), C+ represents an onium cation, A? represents at least one anion selected from the group consisting of —SO3?, —OSO3? and a specific imide anion, X represents a linking group which connects at least two anions together, and n is an integer of 2 or more.
    Type: Application
    Filed: February 27, 2015
    Publication date: January 19, 2017
    Inventors: Kenichi ISHIZAKI, Yushi ANDO
  • Publication number: 20160304406
    Abstract: Provided is a method for easily reinforcing a three-dimensional shaped object. The method for reinforcing a three-dimensional shaped object comprises reinforcing the three-dimensional shaped object using an impregnating composition containing a 2-cyanoacrylic acid ester having a specific structure, said impregnating composition having a viscosity at 25° C. in a range of from 1 to 1000 mPa19 s, and said impregnating composition having a Shore hardness D in a range of from 20 to 75 when being hardened. Preferably, the three-dimensional shaped object is formed of an inorganic powder.
    Type: Application
    Filed: December 3, 2014
    Publication date: October 20, 2016
    Inventors: Hiroshige OIKAWA, Yushi ANDO
  • Patent number: 9458361
    Abstract: An curable adhesive composition that can form a cured product exhibiting high shear adhesion strength, peel adhesion strength and impact adhesion strength and exhibiting, in particular, excellent cold/hot cycle resistance of adhesion strength, includes (a) a 2-cyanoacrylic acid ester, (b) a high molecular-weight component, such as a polymer, compatible with the 2-cyanoacrylic acid ester, (c) a multifunctional 2-cyano-3-vinylacrylic acid ester, and (d) an onium salt represented by the following general formula (1): C+A???(1) wherein C+ represents an onium cation, A? represents an anion such provided that the anion does not substantially initiate polymerization of the 2-cyanoacrylic acid, in which the curable adhesive contains components (b)-(d) in predetermined amounts relative to 100 parts by mass of the component (a).
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: October 4, 2016
    Assignee: TOAGOSEI CO., LTD.
    Inventors: Kenichi Ishizaki, Yushi Ando
  • Publication number: 20160208051
    Abstract: Provided is a curable resin composition which exhibits excellent curability and is good in storage stability. The curable resin composition comprises (a) a polymer having a hydrolyzable silyl group, (b) an acid catalyst, and (c) an onium salt represented by the following general formula (1): C+A???(1) wherein C+ is an onium cation, and A? is a hydrogen sulfate anion, a hydrogen sulfite anion, a sulfonate anion represented by R1SO3? wherein R1 represents an alkyl group, perfluoroalkyl group, cycloalkyl group, vinyl group, aryl group, perfluoroaryl group, aralkyl group or halogen atom; or a bis(substituted sulfonyl)imide anion represented by (R2SO2)2N? wherein R2 represents an alkyl group, perfluoroalkyl group, or aryl group; tetrafluoroborate anion, or hexafluorophosphate anion.
    Type: Application
    Filed: August 22, 2014
    Publication date: July 21, 2016
    Applicant: TOAGOSEI CO., LTD.
    Inventors: Kenichi ISHIAZAKI, Yushi ANDO