Patents by Inventor Bin Tokunaga

Bin Tokunaga 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).

  • Gravure printing method
    Patent number: 6598523
    Abstract: An electrostatic gravure printing method wherein use is made of paper with a water content of 4-6% and a surface resistivity of 1.0×109−9.0×109&OHgr;/□ under the environment of 23±1° C. AND 50±2% RH. This method can thus limit the occurrence of missing dots in printed matters and eliminate the difficulty of page turning in the bound printed matter and electrostatic troubles such as unpleasant noise caused by electric discharge as pages are turned and separated.
    Type: Grant
    Filed: February 9, 2001
    Date of Patent: July 29, 2003
    Assignees: Sagawa Printing Co., Ltd.
    Inventors: Muneaki Kinoshita, Nobukatsu Nishida, Bin Tokunaga