Patents by Inventor Teppei OTSUKI

Teppei OTSUKI 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).

  • Flux and solder paste
    Patent number: 11833620
    Abstract: Provided are flux in which solder wettability is improved, and a solder paste in which the flux is used. The flux contains 0.5-20.0 wt % of a (carboxyalkyl)isocyanurate adduct, and 5.0-45.0 wt % of a rosin, and furthermore contains a solvent. The (carboxyalkyl)isocyanurate adduct is a mono(carboxyalkyl)isocyanurate adduct, a bis(carboxyalkyl)isocyanurate adduct, a tris(carboxyalkyl)isocyanurate adduct, or a combination of two or more of these.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: December 5, 2023
    Assignee: SENJU METAL INDUSTRY CO., LTD.
    Inventors: Yutaka Hashimoto, Kazuyori Takagi, Tomoko Nagai, Nanako Miyagi, Kazuya Kitazawa, Akiko Takaki, Kazuhiro Minegishi, Teppei Otsuki, Rina Horikoshi, Ryuichi Tsuda, Hiroyoshi Kawasaki, Masato Shiratori
  • FLUX AND SOLDER PASTE
    Publication number: 20210060715
    Abstract: Provided are flux in which solder wettability is improved, and a solder paste in which the flux is used. The flux contains 0.5-20.0 wt % of a (2-carboxyalkyl)isocyanurate adduct, and 5.0-45.0 wt % of a rosin, and furthermore contains a solvent. The (2-carboxyalkyl)isocyanurate adduct is a mono(2-carboxyalkyl)isocyanurate adduct, a bis(2-carboxyalkyl)isocyanurate adduct, a tris(2-carboxyalkyl)isocyanurate adduct, or a combination of two or more of these.
    Type: Application
    Filed: January 16, 2019
    Publication date: March 4, 2021
    Inventors: Yutaka HASHIMOTO, Kazuyori TAKAGI, Tomoko NAGAI, Nanako MIYAGI, Kazuya KITAZAWA, Akiko TAKAKI, Kazuhiro MINEGISHI, Teppei OTSUKI, Rina HORIKOSHI, Ryuichi TSUDA, Hiroyoshi KAWASAKI, Masato SHIRATORI