Patents by Inventor Masujiro Sumita

Masujiro Sumita 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: 5055375
    Abstract: A method of forming an image which comprises subjecting an image-forming material comprised of a substrate and a photosensitive layer containing a dye and/or a pigment and a photopolymerizable compound and disposed on the substrate to an image-exposure, thereby to allow the exposure to cause a difference of adhesion between an exposed portion and non-exposed portion in the photosensitive layer, and transferring the image to an image receptor on the basis of the difference of adhesion; wherein the photosensitive layer of the exposed image-forming material and the image receptor are allowed to face each other and directed into the nip between two rollers consisting of an elastic roller and a metallic roller having a surface temperature of between 50.degree. C. and 150.degree. C.
    Type: Grant
    Filed: January 4, 1991
    Date of Patent: October 8, 1991
    Assignee: Toyo Ink Manufacturing Co., Ltd.
    Inventors: Masaaki Matsuo, Masujiro Sumita, Isao Hosoi, Hirohumi Aoki, Masaru Ohta
  • Patent number: 3945833
    Abstract: A photosensitive coating composition comprising (1) a prepolymer containing radically cross-linkable ethylenically unsaturated double bonds and (2) a sensitizer which comprises predominantly a mixture of (a) benzophenone, halogenated benzophenone or a combination thereof and (b) 4,4'-bis(diethylamino)benzophenone in a weight ratio of about 1:2 to 10:1.
    Type: Grant
    Filed: September 4, 1974
    Date of Patent: March 23, 1976
    Assignee: Toyo Ink Manufacturing Company, Ltd.
    Inventors: Masujiro Sumita, Ryozo Konno, Toru Takeuchi