Patent application number | Description | Published |
20100155110 | WIRING BOARD - A wiring board of the present invention comprises a plurality of device formation areas each for mounting a semiconductor chip thereon, and two or more slits formed in an area which comes into contact with a molding die when the wiring board is placed in a cavity of the molding die for forming a sealant to collectively cover the plurality of device formation areas. | 06-24-2010 |
20100295179 | BGA SEMICONDUCTOR DEVICE HAVING A DUMMY BUMP - A BGA semiconductor device includes a semiconductor package and a mounting board mounting thereon the semiconductor package, wherein an array of signal electrodes of the semiconductor package and an array of signal electrodes of the mounting board are coupled together via signal bumps. The BGA semiconductor device also includes a dummy bump, which reinforces the bending strength of the BGA semiconductor device and is broken by a shearing force caused by thermal expansion to alleviate the stress for the signal bumps. | 11-25-2010 |
20120098115 | Semiconductor device and method of manufacturing the same - A semiconductor device has a substrate, a semiconductor chip mounted on the substrate, an encapsulating body encapsulating the semiconductor chip on the substrate, and a plurality of heat sink plates embedded in the encapsulating body so as to have a surface that is exposed to an exterior of the encapsulating body and positioned on the same plane. The heat sink plates are spaced from each other. | 04-26-2012 |
20130159696 | SENDING MESSAGES BY OBLIVIOUS TRANSFER - A system includes a server connectable to a client, the server configured to allow the client to acquire a message of an index designated by the client among N messages held by the server where N is an integer of two or more. The server includes a classification unit configured to classify the N messages into M classified messages by contents of the messages; a message encryption unit configured to encrypt each of the M classified messages; a message provision unit configured to provide the M encrypted classified messages to the client; and a key sending unit configured to send the client, by oblivious transfer, a message key for decrypting the classified message corresponding to the message of the index designated by the client. | 06-20-2013 |
20130170638 | SYSTEM FOR CHECKING ACCEPTANCE OF STRING BY AUTOMATON - A server having an automaton whose state transitions in accordance with received characters, determines whether the automaton has transitioned to a final state on the basis of the characters. The server receives a coding sequence from the client in the characters included in the string. The coding sequence elements corresponding to the characters are values encrypting a non-unity using a first encryption scheme having homomorphism, and whose elements not corresponding to the characters are values encrypting a unity using the first encrypting scheme. The server generates, in response to receiving the coding sequence, exchange data encrypting a subsequent state key corresponding to each of a plurality of previous states of the automaton on the basis of the coding sequence using the first encryption scheme; encrypts exchange data with the corresponding previous state key and sends the encrypted exchange data to the client. | 07-04-2013 |
20130173787 | SYSTEM FOR DETECTING WHETHER CLIENT STATE MATCHES PREDETERMINED STATE - A server connectable to a client able to manage successively transitioned-to states. The server has a set storage unit for storing a set including a predetermined state; a server-side communication unit for communicating with the client using a privacy-preserving set-intersection protocol for detecting whether an element in a mutual set is a common element between mutual sets while preserving privacy; and a determining unit for determining whether the state of the client is included in the set stored by the set storage unit on the basis of ciphertext received in accordance with the privacy-preserving set-intersection protocol. Also provided is an information processing method which is able to manage successively transitioned-to-states. | 07-04-2013 |
20130195407 | OPTICAL FIBER CONNECTOR - An optical fiber connector comprises a ferrule having a rear end, a chuck located rearward of the ferrule, a ring having a front end, and a coil spring. The ring is attached to the chuck so as to surround the chuck. The optical fiber connector holds an optical fiber which is inserted from a rear end of the optical fiber connector. In detail, when the optical fiber is inserted into the optical fiber connector, an end of the optical fiber passes through the chuck to be accommodated in the ferrule. The coil spring presses the ring forward (toward the ferrule) so that the chuck is squeezed to hold the inserted optical fiber. When the ring is moved rearward by a stopper inserted between the rear end of the ferrule and the front end of the ring, the chuck is released to release the optical fiber. | 08-01-2013 |
20130247728 | OPTICAL FIBER CUTTER/COATING MATERIAL REMOVER APPARATUS AND METHOD OF CUTTING OPTICAL FIBER AND REMOVING COATING MATERIAL - An optical fiber cutter/coating material remover apparatus includes an optical fiber cutter unit and a coating material remover unit, the apparatus being configured such that the end portion of the multi-core optical fiber is cut while the optical fiber cutter unit is apart from the coating material remover unit, the cut end portion of the multi-core optical fiber is inserted into the coating material remover unit by sliding the optical fiber cutter unit or the coating material remover unit so that the optical fiber cutter unit and the coating material remover unit are in contact with each other, and then the coating material is removed by sliding the optical fiber cutter unit or the coating material remover unit so that the optical fiber cutter unit is apart from the coating material remover unit. | 09-26-2013 |
20130332731 | System for Determining Whether or Not Automaton Satisfies Context-free Grammar - A server that holds context-free grammar and is connectable to a client that holds an automaton. The server compares an edge pair with an encrypted string value such that the encrypted string value is hidden from the client. The edge pair represents a string for an encrypted value in which a nonfinal character is made to correspond to a state before and the state after held by the client and an encrypted string value represents a string for an encrypted value in which each of a plurality of nonfinal characters contained in a substituted symbol string for a production rule for the context-free grammar is given correspondence with an assigned state before and state after. The encrypted value in which in which the encrypted string value matches the edge pair has been encrypted is sent to the client along with the state before and state after that has been assigned. | 12-12-2013 |
20140075205 | METHOD OF PROCESSING DATA TO ENABLE EXTERNAL STORAGE THEREOF WITH MINIMIZED RISK OF INFORMATION LEAKAGE - A method is provided to process data so that the data can be externally stored with minimized risk of information leakage. A framework (virtual execution framework) based on virtual machines (VMs) is utilized as a substitute for a trusted institution. Encryption of consolidated data can reduce risk of information leakage and enhance security. Since the virtual execution framework can control connection and direction of communication, financial institutions are allowed to apply encryption to data on their own, which makes the data further appropriate for external storage. By allowing financial institutions to apply their own decryption, it is possible to prevent one of two financial institutions from retrieving externally stored data into the external execution framework without intervention of the other. Additionally, associated acting subjects can be provided with freedom depending on the degree of information leakage risk. | 03-13-2014 |
20140342701 | AUTHENTICATION METHOD, AUTHENTICATION SYSTEM AND AUTHENTICATION PROGRAM - A data server to authenticate a passenger anonymously and allow an outside service to provide a service on the basis of this authentication. A passenger in an automobile uses a portable terminal with an acceleration sensor to send the acceleration sensor log in the portable terminal to a data server. The data server calculates the degree of similarity between the acceleration sensor log and time-series data related to acceleration obtained from probe data acquired from the automobile, and verifies that the portable terminal is indeed inside the automobile by confirming that there is a sufficiently high correlation between the log and the time-series data. The data server provides an access permission code to the portable terminal in response to successful acceleration authentication. The portable terminal provides the access permission code to an outside service, and the outside service accesses probe data in the data server using the access permission code. | 11-20-2014 |
20150014840 | SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME - A semiconductor device includes a substrate, a semiconductor chip mounted on the substrate, an encapsulating body encapsulating the semiconductor chip on the substrate, the encapsulating body including a top surface and a side surface, and a plurality of heat sink plates embedded in the encapsulating body, each of the heat sink plates including an upper portion and a lower portion, the upper portion having an upper surface exposed from the top surface of the encapsulating body, the lowering portion being embedded in the encapsulating body, each of the plurality of heat sink plates being spaced from the semiconductor chip by the encapsulating body. The lower portion of each of the plurality of the heat sink plates includes a protrusion extending horizontally to an outside of an outer edge of the lower portion. | 01-15-2015 |
20150033018 | SYSTEM FOR DETERMINING WHETHER CHARACTER STRING HAS BEEN ACCEPTED BY AUTOMATON - Provided is a server connectable to a client for input of a string and that has an automaton defining a subsequent state for transition for each state and each character. This server has a key chain generating unit for generating a key chain for each combination of index, character and state expressing the position of each character in a string, the key chain having encrypted keys for the next index corresponding to the subsequent state of transition from the current state in accordance with the character on the basis of the key corresponding to the current state, and a providing unit for communicating with a client and providing to the client a key chain corresponding to each inputted key among a set of key chains for each index in a state concealing the inputted characters from the client. | 01-29-2015 |
20150039882 | IDENTIFYING CONTENT FROM AN ENCRYPTED COMMUNICATION - Provided is an identifying device for identifying request content from an encrypted request to a server, the identifying device including: a target acquiring unit for acquiring the data size of an encrypted response returned from the server for the encrypted request to the server to be identified; a candidate acquiring unit for acquiring the data size of each of a plurality of encrypted response candidates returned by the server in response to a plurality of encrypted request candidates to be identified sent to the server corresponding to a plurality of known request content candidates; and an identifying unit for identifying the request content to be identified from the plurality of request candidates on the basis of results obtained by comparing the data size of an encrypted response for an encrypted request to be identified to the data sizes of a plurality of encrypted response candidates. | 02-05-2015 |
Patent application number | Description | Published |
20080201262 | TRACEABILITY VERIFICATION SYSTEM, METHOD AND PROGRAM FOR THE SAME - A system for enabling verification in traceability of a supply chain while maintaining confidentiality of private suppliers. A group signature is applied to an undisclosed supplier. The undisclosed supplier previously receives registration to the certificate authority device, and performs a group signature based on the certificate issued by the certificate authority device. A disclosed supplier and the undisclosed supplier sign and generate a signature chain when they ship parts. A verifier device receives a signature chain with products shipped from the supplier manager device, divides a signature of the disclosed supplier from a signature chain, and verifies the undisclosed supplier from the group signature. Identification of the undisclosed supplier is performed by a third-party auditor system requested to do so by the verifier device by using a group private key. | 08-21-2008 |
20080272882 | Verifying the ownership of an owner's authority in terms of product and service - The present invention provides an apparatus for verifying the authority of an owner, in terms of an identifier of a product, the first verification information for verifying the authority held at a terminal for an owner with the authority involving the product, and the second verification information for verifying the authority concerning the identifier of the product stored in a product database. The apparatus comprises means for receiving the identifier and the first verification information, means for acquiring the second verification information from the product DB, and means for determining whether or not there is the authority from the first verification information and the second verification information. A hash value acquired from a one-way hash function is employed as a verification key of the verification information. | 11-06-2008 |
20090287662 | DATABASE SYSTEM, METHOD, PROGRAM FOR THE DATABASE SYSTEM, AND A METHOD FOR UPDATING INDEXING TABLES IN A DATABASE SYSTEM - A database system, a computer executable method, a computer executable program for the database system, and a method for updating an indexing tables in a database system To provide a database system, a computer executable method, a computer executable program for the database system, and a method for updating an indexing tables in a database system. The database system comprises a database storing item tables of items appended by timestamps. Each of items is further categorized by timestamp into said tables, and said item tables being indexed by indexing data. The database system further comprises an indexing table for said indexing data, listing the earliest timestamp of said item table together with said indexing data and a system manager for searching said item tables using said indexing table and a maintenance module for said indexing table. | 11-19-2009 |
20100010933 | TRACEABILITY VERIFICATION SYSTEM, METHOD AND PROGRAM FOR THE SAME - A system for enabling verification in traceability of a supply chain while maintaining confidentiality of private suppliers. A group signature is applied to an undisclosed supplier. The undisclosed supplier previously receives registration to the certificate authority device, and performs a group signature based on the certificate issued by the certificate authority device. A disclosed supplier and the undisclosed supplier sign and generate a signature chain when they ship parts. A verifier device receives a signature chain with products shipped from the supplier manager device, divides a signature of the disclosed supplier from a signature chain, and verifies the undisclosed supplier from the group signature. Identification of the undisclosed supplier is performed by a third-party auditor system requested to do so by the verifier device by using a group private key. | 01-14-2010 |
Patent application number | Description | Published |
20120293318 | VEHICLE NOTIFICATION SOUND EMITTING APPARATUS - A vehicle notification sound emitting apparatus is basically provided with a sound emitting device and a notification sound control device. The sound emitting device emits a starting movement notification sound to outside of a vehicle to inform a person in an outside area surrounding the vehicle that the vehicle will transition from a stopped state to a moving state, and emits a moving notification sound to outside of the vehicle to inform a person in the outside area surrounding the vehicle that the vehicle is moving. The notification sound control device operates the sound emitting device to selectively emit the starting movement notification sound. The notification sound control device includes a notification sound emission timing section that sets a start timing of the starting movement notification sound in response to a shift operation having been performed and an additional start movement preparation operation of the vehicle having been performed. | 11-22-2012 |
20120296520 | VEHICLE NOTIFICATION SOUND EMITTING APPARATUS - A vehicle notification sound emitting apparatus is basically provided with a first sound emitting device, a second sound emitting device and a notification sound control device. The first sound emitting device emits a first intermittent notification sound inside a cabin interior of a vehicle. The second sound emitting device emits a second intermittent notification sound outside of the cabin interior of the vehicle. The notification sound control device operates the first and second sound emitting devices to separately emit the first and second intermittent notification sounds in at least a partially overlapping pattern in response to occurrence of a vehicle condition to convey a same type of vehicle information to both inside and outside of the cabin interior of the vehicle. The notification sound control device includes a cabin interior-exterior notification sound synchronizing section that is configured to synchronize the first and second intermittent notification sounds. | 11-22-2012 |
20120299716 | VEHICLE NOTIFICATION SOUND EMITTING APPARATUS - A vehicle notification sound emitting apparatus is basically provided with a sound emitting device and a notification sound control device. The sound emitting device emits forward and reverse advancement notification sounds outside of a vehicle to inform a person in an area surrounding the vehicle that the vehicle will move. The notification sound control device operates the sound emitting device to selectively emit the forward and reverse movement notifications. The notification sound control device includes forward and reverse advancement notification sound emission timing sections. A start timing of the forward advancement notification sound is set in response to both a forward movement shift operation having been performed and an additional start movement preparation operation of the vehicle having been performed. A start timing of the reverse movement notification sound is set to be emitted immediately in response to the reverse movement shift operation having been performed. | 11-29-2012 |
20120299717 | VEHICLE NOTIFICATION SOUND EMITTING APPARATUS - A vehicle notification sound emitting apparatus is basically provided with a sound emitting device and a notification sound control device. The sound emitting device is configured to emit a movement notification sound to an outside of a vehicle to inform a person in an area surrounding the vehicle that the vehicle will move. The notification sound control device is configured to operate the sound emitting device in response to occurrence of a vehicle condition. The notification sound control device setting the movement notification sound of the sound emitting device to a frequency in a range of 1.5 kHz to 6 kHz. | 11-29-2012 |
20130009769 | VEHICLE NOTIFICATION SOUND EMITTING APPARATUS - A vehicle notification sound emitting apparatus is basically provided with a sound emitting device and a notification sound control device. The sound emitting device is configured to emit a movement notification sound to outside of a vehicle to inform a person in an area surrounding the vehicle that the vehicle will move. The notification sound control device is configured to operate the sound emitting device to emit a movement notification during a period from when a vehicle speed becomes equal to or smaller than a prescribed value until a prescribed amount of time has elapsed in a situation where the vehicle speed becomes equal to or smaller than the prescribed value while the forward movement notification sound is being emitted. | 01-10-2013 |