Patents by Inventor Yasuji Asao

Yasuji Asao 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).

  • Process for producing photographic supports by electron beam exposure
    Patent number: 4579815
    Abstract: A process for producing a photographic paper is described, comprising coating a composition containing an unsaturated organic compound capable of being polymerized by irradiation with electron beams and an inorganic white pigment on the surface of a web support, and, after hardening the coated layer by irradiation with electron beams, coating thereon a photographic emulsion, wherein the improvement comprises performing the irradiation with electron beams while pressing the web support on a roll having a curvature radius of from 25 cm to 250 cm with the coated layer with said layer in a convexly curled state, and coating the photosensitive emulsion on the convexly curled surface of the web support.
    Type: Grant
    Filed: September 5, 1984
    Date of Patent: April 1, 1986
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Masataka Kiritani, Yasuji Asao