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    Search method, search device, search system, and program
    31.
    发明授权
    Search method, search device, search system, and program 有权

    公开(公告)号：US10303893B2

    公开(公告)日：2019-05-28

    申请号：US15366129

    申请日：2016-12-01

    Applicant: Panasonic Intellectual Property Corporation of America

    Inventor： Yuji Unagami ,  Natsume Matsuzaki ,  Shota Yamada ,  Nuttapong Attrapadung ,  Takahiro Matsuda ,  Goichiro Hanaoka

    IPC: G06F21/00 ,  G06F21/62 ,  G06F12/14 ,  H04L29/06 ,  G09C1/00 ,  H04L9/00 ,  H04L9/30

    Abstract: A data search method of a first device storing multiple sets of privacy data acquired from multiple persons and multiple reference features corresponding to the multiple sets of privacy data, where the multiple reference features each are expressed by an n-dimensional vector, includes receiving first encrypted features from a second device connected to the first device, generating multiple second converted features by a second conversion of the multiple reference features, generating of multiple second encrypted features by encrypting the multiple second converted features using inner product encryption, acquiring multiple inner product values by performing inner product computation of each of the first encrypted features and the multiple second encrypted features, determining whether or not the first features and the first reference features are similar, and transmitting of first privacy data corresponding to the first reference features out of the multiple sets of privacy data to the second device.

    Information communication device and method for power assisted bicycle
    34.
    发明授权
    Information communication device and method for power assisted bicycle 有权

    公开(公告)号：US09743232B2

    公开(公告)日：2017-08-22

    申请号：US14668609

    申请日：2015-03-25

    Applicant: Panasonic Intellectual Property Corporation of America

    Inventor： Hideo Umetani ,  Yuji Unagami ,  Motoji Ohmori

    IPC: B60L11/18 ,  H04W4/02

    CPC classification number: H04W4/021 ,  H04W4/025 ,  H04W4/029

    Abstract: Included is identifying a location of a user; determining that transmission of notification information to the user is appropriate in a case where information included in management information held in the information collection database satisfies a predetermined condition, and a current location of the user identified in the identifying is a predetermined location; specifying, out of one or more presentation devices, a presentation device at which the notification information is to be displayed; generating the notification information of a content according to the identified location of the user, in a case where determination has been made in the determining that transmission of the notification information is appropriate; and performing communication to transmit the notification information that has been generated in the generating to the presentation device that has been specified in the specifying.

    Control method, server, and data structure
    37.
    发明授权
    Control method, server, and data structure 有权

    公开(公告)号：US12056115B2

    公开(公告)日：2024-08-06

    申请号：US18377085

    申请日：2023-10-05

    Applicant: Panasonic Intellectual Property Corporation of America

    Inventor： Yuji Unagami ,  Junji Michiyama ,  Junichiro Soeda ,  Yuuki Hirose ,  Tetsuji Fuchikami ,  Motoji Ohmori

    IPC: G06F16/00 ,  G06F16/23

    CPC classification number: G06F16/2379

    Abstract: A control method according to the present disclosure includes: receiving, from a terminal operated by a first user who is one of parties that have concluded a first contract, first transaction data that includes a first smart contract corresponding to the first contract and a first electronic signature associated with the first user; executing a consensus algorithm with a plurality of other servers; and recording a block including the first transaction data in a distributed ledger. The first smart contract includes (i) content of the first contract which is a main contract, (ii) a variable that is provisional and used for identifying a second smart contract corresponding to a second contract which is to be newly concluded as a sub contract of the first contract, and (iii) a condition for creation of the second smart contract.

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