Patents by Inventor Chiaki Iwashima

Chiaki Iwashima 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).

  • Polyepoxy compound, method for producing same, thermosetting resin composition containing same, cured product of such composition, and method for removing such cured product
    Publication number: 20090137777
    Abstract: The present invention provides a specific polyepoxy compound having at least two olefin oxide groups and at least one tertiary ester group per molecule, a method for producing the compound, a thermosetting resin composition containing the compound, a cured product of the composition, and a method for removing the cured product.
    Type: Application
    Filed: October 19, 2005
    Publication date: May 28, 2009
    Applicant: KANSAI PAINT CO., LTD.
    Inventors: Chiaki Iwashima, Masami Kobata, Genji Imai
  • Composition for activation energy rays and method of forming pattern
    Patent number: 7078158
    Abstract: A composition for activation energy rays comprising a specific vinyl ether group-containing compound (A) in which a vinyl ether group is bonded to a secondary or tertiary carbon atom, a polymer (B) having a carboxyl group and/or a hydroxyphenyl group, and a photo-acid generator compound (C) can form a resist pattern having an excellent sensitivity without carrying out any heat treatment at a temperature of 60° C. or more after irradiation.
    Type: Grant
    Filed: September 10, 2002
    Date of Patent: July 18, 2006
    Assignee: Kansai Paint Co., Ltd.
    Inventors: Chiaki Iwashima, Genji Imai, Takeya Hasegawa