Patents by Inventor Takuro Fukunaga

Takuro Fukunaga 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).

  • Information processing apparatus and information processing method
    Patent number: 10089421
    Abstract: An information processing unit and information processing method capable of performing a ground-state search of an Ising model having coefficients of arbitrary values regardless of restrictions on hardware or software is suggested. When a ground state of an original problem, which is an Ising model, or an approximate solution of that ground state is calculated as a solution of the original problem, one or more sub-problems which are Ising models are generated from the original problem and the information processing unit searches the ground state of each generated sub-problem and generates a solution of the original problem based on a solution of each sub-problem obtained from the search; and when types of coefficient values of an Ising model whose ground state can be searched are limited, sub-problems which are Ising models composed of the types of limited values of coefficients are generated.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: October 2, 2018
    Assignees: HITACHI, LTD., INTER-UNIVERSITY RESEARCH INSTITUTE CORPORATION, RESEARCH ORGANIZATION OF INFORMATION AND SYSTEMS
    Inventors: Chihiro Yoshimura, Masanao Yamaoka, Ken-ichi Kawarabayashi, Takuro Fukunaga, Taro Takaguchi, Takanori Maehara, Takuya Ohwa
  • INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING METHOD
    Publication number: 20150278408
    Abstract: An information processing unit and information processing method capable of performing a ground-state search of an Ising model having coefficients of arbitrary values regardless of restrictions on hardware or software is suggested. When a ground state of an original problem, which is an Ising model, or an approximate solution of that ground state is calculated as a solution of the original problem, one or more sub-problems which are Ising models are generated from the original problem and the information processing unit searches the ground state of each generated sub-problem and generates a solution of the original problem based on a solution of each sub-problem obtained from the search; and when types of coefficient values of an Ising model whose ground state can be searched are limited, sub-problems which are Ising models composed of the types of limited values of coefficients are generated.
    Type: Application
    Filed: March 12, 2015
    Publication date: October 1, 2015
    Applicants: Hitachi, Ltd., Inter-University Research Institute Corporation, Research Organization of Information and Systems
    Inventors: CHIHIRO YOSHIMURA, Masanao Yamaoka, Ken-ichi Kawarabayashi, Takuro Fukunaga, Taro Takaguchi, Takanori Maehara, Takuya Ohwa