Patents by Inventor Ken-ichiro Sasaki

Ken-ichiro Sasaki 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).

  • Recording liquid, printed product and ink jet recording method
    Patent number: 6551394
    Abstract: A recording liquid characterized in that when it is printed with 100% duty and with a resolution of 600×300 dpi on an electrophotographic paper having a S.A.D (Surface Area Difference) of from 6.0 to 9.0 and a pH of from 6 to 8, the S.A.D. of the printed portion is at least 59.5.
    Type: Grant
    Filed: March 13, 2002
    Date of Patent: April 22, 2003
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Takashi Hirasa, Ken-ichiro Sasaki, Tetsuo Murayama
  • Recording liquid, printed product and ink jet recording method
    Publication number: 20020124769
    Abstract: A recording liquid characterized in that when it is printed with 100% duty and with a resolution of 600×300 dpi on an electrophotographic paper having a S.A.D (Surface Area Difference) of from 6.0 to 9.0 and a pH of from 6 to 8, the S.A.D. of the printed portion is at least 59.5.
    Type: Application
    Filed: March 13, 2002
    Publication date: September 12, 2002
    Applicant: MITSUBISHI DENKI KABUSHIKI KAISHA
    Inventors: Takashi Hirasa, Ken-ichiro Sasaki, Tetsuo Murayama
  • Recording liquid, printed product and ink jet recording method
    Patent number: 6383278
    Abstract: A recording liquid characterized in that when it is printed with 100% duty and with a resolution of 600×300 dpi on an electrophotographic paper having a S.A.D (Surface Area Difference) of from 6.0 to 9.0 and a pH of from 6 to 8, the S.A.D. of the printed portion is at least 59.5.
    Type: Grant
    Filed: August 31, 1999
    Date of Patent: May 7, 2002
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Takashi Hirasa, Ken-ichiro Sasaki, Tetsuo Murayama