Patents by Inventor Masashi Kotani

Masashi Kotani 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).

  • Positive photosensitive resin composition, method for producing patterned cured film and electronic component
    Patent number: 9134608
    Abstract: A positive photosensitive resin composition including: (a) a resin capable of being dissolved in an aqueous alkaline solution; (b) a compound having two or more oxetanyl groups; (c) a diazonaphthoquinone compound; and (d) a solvent.
    Type: Grant
    Filed: January 18, 2011
    Date of Patent: September 15, 2015
    Assignee: HITACHI CHEMICAL DUPONT MICROSYSTEMS, LTD.
    Inventors: Masashi Kotani, Masayuki Ooe, Taku Konno, Tomonori Minegishi, Keishi Ono
  • POSITIVE PHOTOSENSITIVE RESIN COMPOSITION, METHOD FOR PRODUCING PATTERNED CURED FILM AND ELECTRONIC COMPONENT
    Publication number: 20120288798
    Abstract: A positive photosensitive resin composition including: (a) a resin capable of being dissolved in an aqueous alkaline solution; (b) a compound having two or more oxetanyl groups; (c) a diazonaphthoquinone compound; and (d) a solvent.
    Type: Application
    Filed: January 18, 2011
    Publication date: November 15, 2012
    Applicant: HITACHI CHEMICAL DUPONT MICROSYSTEMS, LTD.
    Inventors: Masashi Kotani, Masayuki Ooe, Taku Konno, Tomonori Minegishi, Keishi Ono