Patents by Inventor Hiroshi Tomimasu

Hiroshi Tomimasu 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 sheets for ink jet printing
    Patent number: 7235284
    Abstract: There is described a recording sheet for ink jet printing comprising a polyethylene coated paper support having coated onto the front side of said support one ink receiving layer comprising a mixture of gelatin and rice starch.
    Type: Grant
    Filed: March 18, 1998
    Date of Patent: June 26, 2007
    Assignee: Ilford Imaging Switzerland GmbH
    Inventors: Mario Fryberg, Stefan Schuttel, Hiroshi Tomimasu
  • Plastic pigments for durable ink jet paper
    Patent number: 6447841
    Abstract: The invention relates to ink jet printing and a process for ink jet printing wherein a coating is formed on an ink receiving layer containing a plastic pigment. The coating is fused into a durable coating which is water-resistant, has some lightfastness, is scratch resistant and can be used in indoor and outdoor environments.
    Type: Grant
    Filed: June 2, 1999
    Date of Patent: September 10, 2002
    Assignee: International Paper Company
    Inventors: Jeanlynn Mets, Yaoliang Hong, Mike Koenig, Hiroshi Tomimasu, Jerry Yang
  • Specialty microporous films and laminated media with applications in ink jet and digital printing
    Publication number: 20020009576
    Abstract: Ink receiving media for use in ink jet printing and other digital printing applications. The ink jet media each include a microporous film of polymeric material. In one embodiment, a hydrophobic microporous polymeric film is treated with a hydrophilic polymeric melt additive. In another embodiment, a microporous polymeric film is coated with a microparticle coating comprising colloidal or submicron inorganic pigment particles and organic polymers as binders. Optionally, the microporous polymeric film is laminated to any one of a variety of substrates.
    Type: Application
    Filed: May 29, 2001
    Publication date: January 24, 2002
    Inventors: Thomas Z. Fu, Yaoliang Hong, Hiroshi Tomimasu
  • Ink jet recording sheet
    Patent number: 6132878
    Abstract: Disclosed are ink jet recording sheets comprising specific ink-receiving layers on supports. The ink jet recording sheets give excellent images.
    Type: Grant
    Filed: July 15, 1997
    Date of Patent: October 17, 2000
    Assignee: Mitsubishi Paper Mills Limited
    Inventors: Osamu Kojima, Hiroshi Tomimasu, Yasumine Yoshida
  • Ink jet recording sheet
    Patent number: 5677067
    Abstract: Disclosed are ink jet recording sheets comprising specific ink-receiving layers on supports. The ink jet recording sheets give excellent images.
    Type: Grant
    Filed: August 2, 1995
    Date of Patent: October 14, 1997
    Assignee: Mitsubishi Paper Mills Limited
    Inventors: Osamu Kojima, Masayuki Tsubaki, Hiroshi Tomimasu, Yasumine Yoshida
  • Method and apparatus for determining distribution of mass density
    Patent number: 4975578
    Abstract: Distribution of mass density of paper or other materials is determined by irradiating a sample with a burst of electron beams from an electron gun. The intensity levels of electron beams emerging from said sample are detected by an areal detector located immediately behind the sample. These intensity levels are processed to derive distribution of mass density information for the sample. The electron beam detector may be a photographic film or a realtime electron beam detector assembly coupled to computer controlled digital data processing and displaying equipment.
    Type: Grant
    Filed: April 17, 1989
    Date of Patent: December 4, 1990
    Assignee: The Research Foundation of State University of NY
    Inventors: Hiroshi Tomimasu, Philip Luner