Patents by Inventor Shota KAWANO

Shota KAWANO 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: 11667594
    Abstract: By fluorinating 1,2,3,3-tetrachloro-1-propene (1230xd) using hydrogen fluoride as a fluorinating agent, an efficient method for producing 1,2-dichloro-3,3-difluoro-1-propene (1232xd) is provided. Through this composition including 1232xd, there are also provided an environmentally friendly composition having excellent ability to dissolve various organic matters, a method for cleaning an article using the composition, a method for producing a lubricant solution using the composition, and a method for producing a component provided with a lubricant coating film.
    Type: Grant
    Filed: April 21, 2022
    Date of Patent: June 6, 2023
    Assignee: CENTRAL GLASS COMPANY, LIMITED
    Inventors: Masamune Okamoto, Kei Matsunaga, Hideaki Imura, Shota Kawano
  • Patent number: 11456271
    Abstract: A noble metal-coated silver bonding wire suppresses corrosion at the bonding interface under severe conditions of high temperature and high humidity, and the noble metal-coated silver bonding wire can be ball-bonded in the air. The noble metal-coated silver wire for ball bonding is a noble metal-coated silver wire including a noble metal coating layer on a core material made of pure silver or a silver alloy, wherein the wire contains at least one sulfur group element, the noble metal coating layer includes a palladium intermediate layer and a gold skin layer, the palladium content relative to the entire wire is 0.01 mass % or more and 5.0 mass % or less, the gold content relative to the entire wire is 1.0 mass % or more and 6.0 mass % or less, and the sulfur group element content relative to the entire wire is 0.1 mass ppm or more and 100 mass ppm or less.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: September 27, 2022
    Assignee: TANAKA DENSHI KOGYO K.K.
    Inventors: Jun Chiba, Yuki Antoku, Shota Kawano
  • Publication number: 20220251008
    Abstract: By fluorinating 1,2,3,3-tetrachloro-1-propene (1230xd) using hydrogen fluoride as a fluorinating agent, an efficient method for producing 1,2-dichloro-3,3-difluoro-1-propene (1232xd) is provided. Through this composition including 1232xd, there are also provided an environmentally friendly composition having excellent ability to dissolve various organic matters, a method for cleaning an article using the composition, a method for producing a lubricant solution using the composition, and a method for producing a component provided with a lubricant coating film.
    Type: Application
    Filed: April 21, 2022
    Publication date: August 11, 2022
    Applicant: CENTRAL GLASS COMPANY, LIMITED
    Inventors: Masamune OKAMOTO, Kei MATSUNAGA, Hideaki IMURA, Shota KAWANO
  • Patent number: 11339106
    Abstract: By fluorinating 1,2,3,3-tetrachloro-1-propene (1230xd) using hydrogen fluoride as a fluorinating agent, an efficient method for producing 1,2-dichloro-3,3-difluoro-1-propene (1232xd) is provided. Through this composition including 1232xd, there are also provided an environmentally friendly composition having excellent ability to dissolve various organic matters, a method for cleaning an article using the composition, a method for producing a lubricant solution using the composition, and a method for producing a component provided with a lubricant coating film.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: May 24, 2022
    Assignee: CENTRAL GLASS COMPANY, LIMITED
    Inventors: Masamune Okamoto, Kei Matsunaga, Hideaki Imura, Shota Kawano
  • Patent number: 11289442
    Abstract: A gold-coated silver bonding wire includes: a core material containing silver as a main component; and a coating layer provided on a surface of the core material and containing gold as a main component. The gold-coated silver bonding wire contains gold in a range of not less than 2 mass % nor more than 7 mass %, and at least one sulfur group element selected from the group consisting of sulfur, selenium, and tellurium in a range of not less than 1 mass ppm nor more than 80 mass ppm, with respect to a total content of the bonding wire.
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: March 29, 2022
    Assignee: Tanaka Denshi Kogyo K.K.
    Inventors: Yuki Antoku, Shota Kawano, Yusuke Sakita
  • Patent number: 11251153
    Abstract: A noble metal-coated silver bonding wire for ball bonding wire includes a noble metal coating layer on a core material made of pure silver or a silver alloy, wherein the wire contains at least one sulfur group element, the noble metal coating layer includes at least one palladium layer, the total palladium content relative to the entire wire is not less than 0.01 mass % and not more than 5.0 mass %, and the total sulfur group element content relative to the entire wire is not less than 0.1 mass ppm and not more than 100 mass ppm.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: February 15, 2022
    Assignee: TANAKA DENSHI KOGYO K.K.
    Inventors: Jun Chiba, Yuki Antoku, Shota Kawano
  • Publication number: 20210050321
    Abstract: A noble metal-coated silver bonding wire suppresses corrosion at the bonding interface under severe conditions of high temperature and high humidity, and the noble metal-coated silver bonding wire can be ball-bonded in the air. The noble metal-coated silver wire for ball bonding is a noble metal-coated silver wire including a noble metal coating layer on a core material made of pure silver or a silver alloy, wherein the wire contains at least one sulfur group element, the noble metal coating layer includes a palladium intermediate layer and a gold skin layer, the palladium content relative to the entire wire is 0.01 mass % or more and 5.0 mass % or less, the gold content relative to the entire wire is 1.0 mass % or more and 6.0 mass % or less, and the sulfur group element content relative to the entire wire is 0.1 mass ppm or more and 100 mass ppm or less.
    Type: Application
    Filed: April 19, 2018
    Publication date: February 18, 2021
    Inventors: Jun CHIBA, Yuki ANTOKU, Shota KAWANO
  • Publication number: 20200395330
    Abstract: A noble metal-coated silver bonding wire suppresses corrosion at the bonding interface even under severe conditions of high temperature and high humidity in automobiles and does not cause energization failure in a semiconductor device in which electrodes of a semiconductor chip and electrodes of lead frames or the like are connected by the bonding wire. The noble metal-coated silver wire for ball bonding wire includes a noble metal coating layer on a core material made of pure silver or a silver alloy, wherein the wire contains at least one sulfur group element, the noble metal coating layer includes at least one palladium layer, the total palladium content relative to the entire wire is 0.01 mass % or more and 5.0 mass % or less, and the total sulfur group element content relative to the entire wire is 0.1 mass ppm or more and 100 mass ppm or less.
    Type: Application
    Filed: April 19, 2018
    Publication date: December 17, 2020
    Inventors: Jun CHIBA, Yuki ANTOKU, Shota KAWANO
  • Publication number: 20200369584
    Abstract: By fluorinating 1,2,3,3-tetrachloro-1-propene (1230xd) using hydrogen fluoride as a fluorinating agent, an efficient method for producing 1,2-dichloro-3,3-difluoro-1-propene (1232xd) is provided. Through this composition including 1232xd, there are also provided an environmentally friendly composition having excellent ability to dissolve various organic matters, a method for cleaning an article using the composition, a method for producing a lubricant solution using the composition, and a method for producing a component provided with a lubricant coating film.
    Type: Application
    Filed: August 4, 2020
    Publication date: November 26, 2020
    Applicant: CENTRAL GLASS COMPANY, LIMITED
    Inventors: Masamune OKAMOTO, Kei MATSUNAGA, Hideaki IMURA, Shota KAWANO
  • Publication number: 20200350273
    Abstract: A gold-coated silver bonding wire includes: a core material containing silver as a main component; and a coating layer provided on a surface of the core material and containing gold as a main component. The gold-coated silver bonding wire contains gold in a range of not less than 2 mass % nor more than 7 mass %, and at least one sulfur group element selected from the group consisting of sulfur, selenium, and tellurium in a range of not less than 1 mass ppm nor more than 80 mass ppm, with respect to a total content of the bonding wire.
    Type: Application
    Filed: May 8, 2020
    Publication date: November 5, 2020
    Inventors: Yuki ANTOKU, Shota KAWANO, Yusuke SAKITA