Patents by Inventor Kosei Watanabe

Kosei Watanabe 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).

  • ELECTRODE CATALYST, MANUFACTURING METHOD THEREFOR, AND FUEL CELL
    Publication number: 20240120502
    Abstract: An electrode catalyst is provided in which degradation of catalytic action over time is suppressed. The electrode catalyst includes a mesoporous carbon support having pores, and catalyst metal particles supported in at least some of the pores. The ratio r/R of the mean particle size r of the catalyst metal particles to the modal pore size R of the pores is from 0.01 to 0.6, and the mean particle size r is 6 nm or less. The modal pore size R of the pores is preferably from 2 to 50 nm.
    Type: Application
    Filed: February 1, 2022
    Publication date: April 11, 2024
    Inventors: Kosei SUGAHARA, Takaaki FUJINO, Takao OSAKO, Takuya KITABATAKE, Hiromu WATANABE
  • Printer
    Patent number: D911436
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: February 23, 2021
    Assignee: OKI DATA CORPORATION
    Inventors: Toshiyuki Kimura, Hidenori Ueda, Katsuhiro Yamaguchi, Hiroyuki Mizuno, Morihito Saigusa, Kosei Watanabe