Patents by Inventor Fumitaka Ooizumi

Fumitaka Ooizumi 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).

  • UV-curable ink-jet ink, electronic circuit board, electronic component and display device
    Patent number: 7745506
    Abstract: A UV-curable ink-jet ink is provided, which has a high sensitivity and allows soft and highly fine patterns to be formed. The UV-curable ink-jet ink includes a mono-functional polymerizable monomer (A) having a hydroxyl group, a di(meth)acrylate ester (B) and a photo-polymerization initiator (C).
    Type: Grant
    Filed: July 11, 2007
    Date of Patent: June 29, 2010
    Assignee: Chisso Corporation
    Inventors: Hiroyuki Satou, Setsuo Itami, Fumitaka Ooizumi, Toshiyuki Takahashi
  • UV-CURABLE INK-JET INK, ELECTRONIC CIRCUIT BOARD, ELECTRONIC COMPONENT AND DISPLAY DEVICE
    Publication number: 20080038570
    Abstract: A UV-curable ink-jet ink is provided, which has a high sensitivity and allows soft and highly fine patterns to be formed. The UV-curable ink-jet ink includes a mono-functional polymerizable monomer (A) having a hydroxyl group, a di(meth)acrylate ester (B) and a photo-polymerization initiator (C).
    Type: Application
    Filed: July 11, 2007
    Publication date: February 14, 2008
    Applicant: CHISSO CORPORATION
    Inventors: HIROYUKI SATOU, SETSUO ITAMI, FUMITAKA OOIZUMI, TOSHIYUKI TAKAHASHI
  • Photopolymerization initiator, photopolymerizable initiator composition, color filter and liquid crystal display
    Patent number: 6344299
    Abstract: Provided is a photopolymerization initiator which has a high sensitivity and is inexpensive and which does not cause precipitation of crystals when kept in cold storage after diluted and dissolved in an organic solvent.
    Type: Grant
    Filed: November 16, 1999
    Date of Patent: February 5, 2002
    Assignee: Chisso Corporation
    Inventors: Hiroyuki Sato, Takanori Fukumura, Fumitaka Ooizumi, Takashi Kato