Patents by Inventor Carmen KEMPKA

Carmen KEMPKA 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).

  • Circuit concealing apparatus, calculation apparatus, and program
    Patent number: 11095429
    Abstract: At least any one of input keys KA0, KA1, KB?0, and KB?1 is set so that the input keys KA0, KA1, KB?0, and KB?1 which satisfy KA1?KA0=KB?1?KB?0=di are obtained, and an output key Kig(I(A), I(B)) corresponding to an output value gi(I(A), I(B)) is set by using the input keys KA0, KA1, KB?0, and KB?1, where input values of a gate that performs a logical operation are I(A), I(B)?{0, 1}, an output value of the gate is gi(I(A), I(B))?{0, 1}, an input key corresponding to the input value I(A) is KAI(A), and an input key corresponding to the input value I(B) is KB?I(B).
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: August 17, 2021
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Koutarou Suzuki, Ryo Kikuchi, Carmen Kempka
  • CIRCUIT CONCEALING APPARATUS, CALCULATION APPARATUS, AND PROGRAM
    Publication number: 20200228310
    Abstract: At least any one of input keys KA0, KA1, KB?0, and KB?1 is set so that the input keys KA0, KA1, KB?0, and KB?1 which satisfy KA1?KA0=KB?1?KB?0=di are obtained, and an output key Kig(I(A), I(B)) corresponding to an output value gi(I(A), I(B)) is set by using the input keys KA0, KA1, KB?0, and KB?1, where input values of a gate that performs a logical operation are I(A), I(B)?{0, 1}, an output value of the gate is gi(I(A), I(B))?{0, 1}, an input key corresponding to the input value I(A) is KAI(A), and an input key corresponding to the input value I(B) is KB?I(B).
    Type: Application
    Filed: November 9, 2017
    Publication date: July 16, 2020
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Koutarou SUZUKI, Ryo KIKUCHI, Carmen KEMPKA