Patents by Inventor Tooru Kotani

Tooru Kotani 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 media
    Patent number: 6136440
    Abstract: Recording media for use in various printing methods, each having a base film and an ink-receiving or recording layer formed thereon, characterized by their specific improved physical properties; for example, the ink drying time is 5 minutes or shorter at an amount of ink ranging from 10 g/m.sup.2 inclusive to 50 g/m.sup.2 exclusive, the reflection printing density is 1.3 or higher, the width of ink bleeding is 1 mm or lower, and the retention of density against water exposure is 60% or higher.
    Type: Grant
    Filed: August 11, 1997
    Date of Patent: October 24, 2000
    Assignee: Toyo Boseki Kabushiki Kaisha
    Inventors: Katsuya Ito, Kenichi Mori, Tooru Kotani, Toshitake Suzuki, Yasushi Sasaki
  • Recording material
    Patent number: 6039444
    Abstract: A recording material for use in various printing methods, having a substrate and an ink-receiving layer formed thereon, the ink-receiving layer containing both a water-absorbing anionic polymer and a water-absorbing cationic polymer. The recording material can be used in the high-speed printing without being influenced by the properties of ink.
    Type: Grant
    Filed: April 9, 1998
    Date of Patent: March 21, 2000
    Assignee: Toyo Boseki Kabushiki Kaisha
    Inventors: Kenichi Mori, Katsuya Ito, Tooru Kotani, Toshitake Suzuki, Yasushi Sasaki