Patents by Inventor Ueda Masahiro

Ueda Masahiro 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).

  • Publication number: 20080198213
    Abstract: The present invention provides an ultraviolet ray-curable ink composition containing a polysilane compound having a structure represented by the following formula (1): wherein n represents a positive integer; p represents an integer of 2 or more and not more than 10; and R1 and R2 each independently represents a substituent. Also disclosed are an inkjet recording method using the composition, and an ink container and an inkjet recording apparatus, each containing the ink composition.
    Type: Application
    Filed: February 14, 2008
    Publication date: August 21, 2008
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Chiyoshige Nakazawa, Takashi Oyanagi, Keitaro Nakano, Ueda Masahiro
  • Publication number: 20080200635
    Abstract: The invention relates to a polysilane compound having a structure represented by the following formula 1 and an ultraviolet ray-curable ink composition containing the polysilane compound. Also, an inkjet recording method using the ultraviolet ray-curable ink composition and an ink container and an inkjet recording apparatus each containing the ultraviolet ray-curable ink composition therein are disclosed.
    Type: Application
    Filed: February 14, 2008
    Publication date: August 21, 2008
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Chiyoshige NAKAZAWA, Takashi OYANAGI, Keitaro NAKANO, Ueda MASAHIRO