Patents by Inventor Toshiaki Kawanabe

Toshiaki Kawanabe 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).

  • Method for manufacturing a regenerated particle aggregate
    Patent number: 8152963
    Abstract: The present invention aims at providing: a recycling usable regenerated particle aggregate; a method for allowing stable manufacture of the regenerated particle aggregate; a paper containing the regenerated particle aggregate, the paper exhibiting excellent property in case of newsprint papers, printing papers, book printing papers, and electrophotographic printing papers that use the regenerated particle aggregate, and especially a neutralized paper containing the regenerated particle aggregate; and a coated paper for printing having especially excellent printability, using the regenerated particle aggregate.
    Type: Grant
    Filed: October 6, 2006
    Date of Patent: April 10, 2012
    Assignee: Daio Paper Corporation
    Inventors: Hisao Nanba, Masaaki Takahashi, Junji Murata, Hiroyuki Osumi, Toshiaki Kawanabe, Akira Takeda
  • Regenerated Particle Aggregate, Method for Manufacturing the Regenerated Particle Aggregate, Regenerated Particle Aggregate-Containing Paper Containing the Regenerated particle Aggregate therein, and Coated Paper for Printing Coated by the Regenerated Particle Aggregate
    Publication number: 20090294083
    Abstract: The present invention aims at providing. a recycling usable regenerated particle aggregate; a method for allowing stable manufacture of the regenerated particle aggregate; a paper containing the regenerated particle aggregate, the paper exhibiting excellent property in case of newsprint papers, printing papers, book printing papers, and electrophotographic printing papers that use the regenerated particle aggregate, and especially a neutralized paper containing the regenerated particle aggregate; and a coated paper for printing having especially excellent printability, using the regenerated particle aggregate. Problems will be solved by.
    Type: Application
    Filed: October 6, 2006
    Publication date: December 3, 2009
    Applicant: DAIO PAPER CORPORATION
    Inventors: Hisao Nanba, Masaaki Takahashi, Junji Murata, Hiroyuki Osumi, Toshiaki Kawanabe, Akira Takeda
  • Method of producing a slurry of microcapsules
    Patent number: 4957666
    Abstract: An improved in-situ polymerization method is provided for easily producing a good slurry of strong, dense, water-resistant and anti-hygroscopic microcapsules made of an amino resin of either of melamine-formaldehyde series or the ureaformaldehyde series, in a high concentration of microcapsules, and a low viscosity.
    Type: Grant
    Filed: September 13, 1988
    Date of Patent: September 18, 1990
    Assignees: Taio Paper Manufacturing Co., Ltd., Showa High Polymer Co., Ltd.
    Inventors: Michio Kawamura, Yasunori Shimada, Koichi Inoshita, Shozo Yoshida, Toshiaki Kawanabe, Haruo Hattori, Yukio Doi, Mamoru Awano