Patents by Inventor Shigeko KONNO

Shigeko KONNO 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: 10347388
    Abstract: The purpose of the present invention is to provide a conductive copper paste which is curable in an ambient atmosphere, has a long pot life, and, has a low specific resistance even under a high-temperature and short-time curing condition, wherein the specific resistance after curing does not greatly vary depending on a copper powder content. The conductive copper paste provided is characterized by containing (A) a copper powder, (B) a thermosetting resin, (C) a fatty acid that is liquid at normal temperature, and (D) triethanolamine. Preferably, component (B) is a resol-type phenol resin. More preferably, the content of component (B) is 10 to 20 parts by mass with respect to a total of 100 parts by mass of component (A) and component (B).
    Type: Grant
    Filed: February 29, 2016
    Date of Patent: July 9, 2019
    Assignee: NAMICS CORPORATION
    Inventors: Masashi Kajita, Takashi Sakamoto, Shigeko Konno, Tomoyuki Takahashi
  • Publication number: 20180061520
    Abstract: The purpose of the present invention is to provide a conductive copper paste which is curable in an ambient atmosphere, has a long pot life, and, has a low specific resistance even under a high-temperature and short-time curing condition, wherein the specific resistance after curing does not greatly vary depending on a copper powder content. The conductive copper paste provided is characterized by containing (A) a copper powder, (B) a thermosetting resin, (C) a fatty acid that is liquid at normal temperature, and (D) triethanolamine. Preferably, component (B) is a resol-type phenol resin. More preferably, the content of component (B) is 10 to 20 parts by mass with respect to a total of 100 parts by mass of component (A) and component (B).
    Type: Application
    Filed: February 29, 2016
    Publication date: March 1, 2018
    Inventors: Masashi KAJITA, Takashi SAKAMOTO, Shigeko KONNO, Tomoyuki TAKAHASHI