Patents by Inventor Susumu Hagisawa

Susumu Hagisawa 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).

  • Patent number: 7655287
    Abstract: An inkjet recording medium obtained by forming a coating layer containing a pigment and a binder on the surface of a base material and coating layer is subsequently pressed onto a heated mirror finished surface to dry to form an ink absorbing layer through a cast coating method, wherein pigment contains a colloidal silica that has a primary particle diameter of from 10 nm to 100 nm while the ratio of the secondary particle diameter to primary particle diameter is from 1.5 to 3.0.
    Type: Grant
    Filed: March 29, 2004
    Date of Patent: February 2, 2010
    Assignee: Nippon Paper Industries Co., Ltd.
    Inventors: Yoshio Yoshida, Shoichi Endo, Masanori Kawashima, Susumu Hagisawa, Takayuki Fujimoto, Masaya Tosaka, Yuu Suzuki, Kaoru Hamada
  • Publication number: 20060050130
    Abstract: An inkjet recording medium obtained by forming a coating layer containing a pigment and a binder on the surface of a base material and coating layer is subsequently pressed onto a heated mirror finished surface to dry to form an ink absorbing layer through a cast coating method, wherein pigment contains a colloidal silica that has a primary particle diameter of from 10 nm to 100 nm while the ratio of the secondary particle diameter to primary particle diameter is from 1.5 to 3.0.
    Type: Application
    Filed: March 29, 2004
    Publication date: March 9, 2006
    Inventors: Yoshio Yoshida, Shoichi Endo, Masanori Kawashima, Susumu Hagisawa, Takayuki Fujimoto, Masaya Tosaka, Yuu Suzuki, Kaoru Hamada