Patents by Inventor Shinichi Urakawa

Shinichi Urakawa 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).

  • Luminescent device with a triarylamine compound
    Publication number: 20050025997
    Abstract: A luminescent device having a pair of electrodes and a luminescent layer disposed between the electrodes.
    Type: Application
    Filed: August 20, 2004
    Publication date: February 3, 2005
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Akihiro Senoo, Yuichi Hashimoto, Kazunori Ueno, Seiji Mashimo, Shinichi Urakawa
  • Luminescent device with a triarylamine compound
    Patent number: 6833200
    Abstract: A luminescent device having a pair of electrodes and a luminescent layer disposed between the electrodes.
    Type: Grant
    Filed: January 23, 2003
    Date of Patent: December 21, 2004
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akihiro Senoo, Yuichi Hashimoto, Kazunori Ueno, Seiji Mashimo, Shinichi Urakawa
  • Luminescent device with a triarylamine compound
    Publication number: 20030207153
    Abstract: A luminescent device having a pair of electrodes and a luminescent layer disposed between the electrodes.
    Type: Application
    Filed: January 23, 2003
    Publication date: November 6, 2003
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Akihiro Senoo, Yuichi Hashimoto, Kazunori Ueno, Seiji Mashimo, Shinichi Urakawa
  • Organic luminescent element
    Patent number: 6583557
    Abstract: An organic luminescent element includes a substrate, an anode, a cathode, at least one organic material layer interposed between the anode and the cathode, and a sealing film containing a ferroelectric material provided on the anode or the cathode on the organic material layer. Preferably, the organic luminescent element further includes a counter electrode provided on the sealing film. Preferably, the substrate is transparent, and the anode is composed of indium tin oxide.
    Type: Grant
    Filed: April 24, 2001
    Date of Patent: June 24, 2003
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yuichi Hashimoto, Yoichi Osato, Koichi Suzuki, Akihiro Senoo, Hiroshi Tanabe, Kazunori Ueno, Seiji Mashimo, Shinichi Urakawa
  • Organic luminescent element
    Publication number: 20010048272
    Abstract: An organic luminescent element includes a substrate, an anode, a cathode, at least one organic material layer interposed between the anode and the cathode, and a sealing film containing a ferroelectric material provided on the anode or the cathode on the organic material layer. Preferably, the organic luminescent element further includes a counter electrode provided on the sealing film. Preferably, the substrate is transparent, and the anode is composed of indium tin oxide.
    Type: Application
    Filed: April 24, 2001
    Publication date: December 6, 2001
    Inventors: Yuichi Hashimoto, Yoichi Osato, Koichi Suzuki, Akihiro Senoo, Hiroshi Tanabe, Kazunori Ueno, Seiji Mashimo, Shinichi Urakawa