Patents by Inventor Makoto Aikawa

Makoto Aikawa 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).

  • Publication number: 20220048400
    Abstract: An EV management system includes one or more processors, and one or more storage devices storing a program to be executed by the one or more processors. The one or more storage devices store charge/discharge request management information configured to manage charge/discharge requests from a plurality of chargers. Each of the charge/discharge requests indicates a location of a charger and a requested action specifying either charging an EV or discharging an EV. The one or more processors are configured to identify a destination of transport, select a first charge/discharge request of a first charger from the charge/discharge request management information based on the destination and the locations of the plurality of chargers, select a first EV for pursuing the transport to the destination from the plurality of EVs; and instruct the first EV to respond to the first charge/discharge request.
    Type: Application
    Filed: January 22, 2020
    Publication date: February 17, 2022
    Applicant: HITACHI, LTD.
    Inventors: Yukako SUMI, Makoto AIKAWA, Isao KUME, Ryo OKUBO
  • Patent number: 10877454
    Abstract: The present invention is applied to a distributed control system in which a plurality of control devices (a central control device, an individual control device, and the like) are connected via a network. For example, the central control device executes a start-up deadline determination processing for setting a start-up deadline in consideration of the performance of a device to be controlled, and communication processing for transmitting a packet including identification information of a command and information of the start-up deadline to the individual control device. For example, when receiving the packet transmitted from the central control device, the individual control device controls execution of the command on the device to be controlled on the basis of the start-up deadline included in the packet.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: December 29, 2020
    Assignee: HITACHI, LTD.
    Inventors: Tatsuya Maruyama, Yasushi Tomita, Yasuo Sato, Yoshihiro Mizuno, Makoto Aikawa
  • Publication number: 20190361419
    Abstract: The present invention is applied to a distributed control system in which a plurality of control devices (a central control device, an individual control device, and the like) are connected via a network. For example, the central control device executes a start-up deadline determination processing for setting a start-up deadline in consideration of the performance of a device to be controlled, and communication processing for transmitting a packet including identification information of a command and information of the start-up deadline to the individual control device. For example, when receiving the packet transmitted from the central control device, the individual control device controls execution of the command on the device to be controlled on the basis of the start-up deadline included in the packet.
    Type: Application
    Filed: September 22, 2017
    Publication date: November 28, 2019
    Inventors: Tatsuya MARUYAMA, Yasushi TOMITA, Yasuo SATO, Yoshihiro MIZUNO, Makoto AIKAWA
  • Publication number: 20140028093
    Abstract: A power transmitting device transmitting electric power to a power receiving device includes a power transmitter (110) transmitting electric power in a contactless manner at a resonant frequency having a predetermined relation with a resonant frequency of a part, the part being provided in the power receiving device and receiving electric power, a data receiver (112) receiving from the power receiving device a random number value generated by the power receiving device each time electric power transmission of the power transmitter (110) is started, and a controller (117) determining whether or not all random number values satisfy predetermined condition. When the condition is satisfied, the controller (117) continues electric power transmission via the power transmitter (110).
    Type: Application
    Filed: March 30, 2012
    Publication date: January 30, 2014
    Applicant: NEC CASIO MOBILE COMMUNICATIONS, LTD.
    Inventors: Makoto Aikawa, Katsuei Ichikawa, Mitsuhiro Kitani
  • Patent number: 8489352
    Abstract: Apparatuses and method capable of reliably tracking processes through which products have passed without calling for expensive setup are necessary in production and distribution processes of the products. A process management apparatus including a data transmission/reception unit to and from an RFID tag of an information recording medium and a data generation unit comprises a process data generation unit for representing a process, a process pass certificate data generation unit for generating process data pass certificate data and a transmission/reception unit for the process data with the information recording medium and the process pass certificate data can track the processes through which the object products have passed.
    Type: Grant
    Filed: March 31, 2008
    Date of Patent: July 16, 2013
    Assignee: Hitachi, Ltd.
    Inventors: Hiroyuki Higaki, Shinichirou Fukushima, Makoto Aikawa, Atsushi Honzawa, Yuuichi Kobayashi, Akira Kishida
  • Patent number: 8339240
    Abstract: A semiconductor element or mobile terminal stores a user's biometric information pattern used for execution of a biometric authentication process and the residual number of trials indicating the number of allowed failures in the biometric authentication process, sends processing data to an external device so that the external device can use the processing data when the external device executes part of the biometric authentication process, and decreases the residual number of trials by a predetermined value while the processing data is output to the external device after start of communication with the external device.
    Type: Grant
    Filed: July 16, 2009
    Date of Patent: December 25, 2012
    Assignee: Hitachi, Ltd.
    Inventors: Makoto Aikawa, Shoko Hatanaka, Takeshi Inoue, Hiroki Yamazaki
  • Patent number: 8212652
    Abstract: A biometric authentication system 10 includes an IC card 100 including a reading unit 110 sending generation information back to a terminal and a writing unit 111 writing biometric information in a storage area indicated in a write instruction, and a terminal 200 including a card generation acquisition unit 210 receiving from the IC card the generation information, a device generation acquisition unit 211 receiving from a biometric authentication device the generation information, a biometric information acquisition unit 212 receiving biometric information from the biometric authentication device 300, a first write instruction unit 213 identifying a storage area of the same generation as the generation of the biometric authentication device and transmitting a write instruction of the biometric information to the IC card, and a second write instruction unit 214 transmitting a write instruction for a storage area of the oldest generation to the IC card.
    Type: Grant
    Filed: October 30, 2009
    Date of Patent: July 3, 2012
    Assignee: Hitachi, Ltd.
    Inventors: Takeshi Inoue, Shoko Hatanaka, Makoto Aikawa, Hideyuki Takeda
  • Patent number: 8099604
    Abstract: A first information-communication device generates first biometric pattern used for comparison based on user biometric information retrieved by a biometric sensor, and sends the generated first biometric pattern to a second biometric information-communication device. The second information-communication device compares the first biometric pattern sent from the first information-communication device with second biometric pattern, which is user biometric pattern stored in memory, and sends the second biometric pattern to the first information-communication device when the compared biometric pattern matches. The first information-communication device then stores the second biometric pattern sent from the second information-communication device.
    Type: Grant
    Filed: August 8, 2008
    Date of Patent: January 17, 2012
    Assignee: Hitachi, Ltd.
    Inventors: Makoto Aikawa, Shinichiro Fukushima, Hiroyuki Higaki
  • Patent number: 8094890
    Abstract: A biometric authentication apparatus for identifying a subject person by using biometric information of a user has memories and a processing unit for performing biometric authentication. The memories and store a remaining trial number whose value is reduced each time biometric authentication fails. The processing unit generates a lower limit value smaller than the remaining trial number at the start of biometric authentication, performs biometric authentication until the reduced remaining trial number becomes equal to or smaller than the lower limit value, and generate alarm data for issuing alarm to the user when the reduced trial number becomes equal to or smaller than the lower limit value.
    Type: Grant
    Filed: May 23, 2007
    Date of Patent: January 10, 2012
    Assignee: Hitachi, Ltd.
    Inventors: Makoto Aikawa, Shoko Hatanaka, Kazunori Hashimoto, Shigeyuki Ito, Yutaka Takami
  • Patent number: 8069361
    Abstract: A determining unit determines the state of the microprocessor. A setting unit sets a power supply voltage to be supplied to the microprocessor according to the state of the microprocessor determined by the determining unit. A power supply circuit supplies the power supply voltage set by the setting unit, to the microprocessor via a power supply line. The determining unit determines repeatedly the state of the microprocessor at preset timing, and the setting unit resets the power supply voltage every time the determination is performed by the determining unit.
    Type: Grant
    Filed: November 20, 2006
    Date of Patent: November 29, 2011
    Assignee: Sony Computer Entertainment Inc.
    Inventors: Tetsuji Tamura, Iwao Takiguchi, Yosuke Muraki, Toshiyuki Hiroi, Koji Inoue, Makoto Aikawa
  • Patent number: 8001326
    Abstract: A management apparatus including a portable terminal identifying module to receive card information from a non-contact IC card processing unit having a module to communicate with an IC card without contact.
    Type: Grant
    Filed: March 25, 2008
    Date of Patent: August 16, 2011
    Assignee: Hitachi, Ltd.
    Inventors: Shinichiro Fukushima, Kazunori Hashimoto, Makoto Aikawa, Hidenori Nanami, Yutaka Takami
  • Patent number: 7917347
    Abstract: Mechanisms for generating a worst case current waveform for testing of integrated circuit devices are provided. Architectural analysis of an integrated circuit device is first performed to determine an initial worst case power workload to be applied to the integrated circuit device. Thereafter, the derived worst case power workload is applied to a model and is simulated to generate a worst case current waveform that is input to an electrical model of the integrated circuit device to generate a worst case noise budget value. The worst case noise budget value is then compared to measured noise from application of the worst case power workload to a hardware implemented integrated circuit device. The worst case current waveform may be selected for future testing of integrated circuit devices or modifications to the simulation models may be performed and the process repeated based on the results of the comparison.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: March 29, 2011
    Assignee: International Business Machines Corporation
    Inventors: Makoto Aikawa, Jonathan J. DeMent, Sang H. Dhong, Brian K. Flachs, Gilles Gervais, Iwao Takiguchi, Tetsuji Tamura
  • Publication number: 20100266121
    Abstract: An IC chip includes: a first memory which stores a control program for executing cryptographic processing; a second memory which stores an application; an arithmetic processor which receives first data including at least part of a cryptographic private key stored in a predetermined area of the application, and executes the cryptographic processing in accordance with the control program; and an auxiliary arithmetic processor which executes predetermined arithmetic processing under control of the arithmetic processor. If the first data does not match a data format defined by a software interface of the auxiliary arithmetic processor, the arithmetic processor controls to generate second data by processing the first data so as to match the data format, and to store the generated second data in a data table provided in the second memory.
    Type: Application
    Filed: January 27, 2010
    Publication date: October 21, 2010
    Inventors: Hiroki YAMAZAKI, Makoto Aikawa, Kazunori Hashimoto
  • Patent number: 7737824
    Abstract: A hierarchical structure is established among a plurality of RFID tags, such that ID numbers can be read only from RFID tags which belong to a particular layer. RFID tag can control whether permission should be given to read its ID number therefrom to protect the ID number. Data held in the RFID tag can be read from the outside. RFID tag comprises a memory circuit having a function of holding data, and a logic circuit having a function of processing a control command received from outside. Memory circuit stores an own ID number for identifying the RFID tag itself, and a parent ID number for identifying a second RFID tag. When RFID tag receives an ID number read command which contains first data as a parameter from outside, the logic circuit outputs the own ID number to outside only when the first data matches the parent ID number.
    Type: Grant
    Filed: December 28, 2005
    Date of Patent: June 15, 2010
    Assignee: Hitachi, Ltd.
    Inventors: Makoto Aikawa, Yutaka Takami, Shinichiro Fukushima, Masumi Moritani, Hashimoto Kazunori
  • Publication number: 20100117791
    Abstract: A biometric authentication system 10 includes an IC card 100 including a reading unit 110 sending generation information back to a terminal and a writing unit 111 writing biometric information in a storage area indicated in a write instruction, and a terminal 200 including a card generation acquisition unit 210 receiving from the IC card the generation information, a device generation acquisition unit 211 receiving from a biometric authentication device the generation information, a biometric information acquisition unit 212 receiving biometric information from the biometric authentication device 300, a first write instruction unit 213 identifying a storage area of the same generation as the generation of the biometric authentication device and transmitting a write instruction of the biometric information to the IC card, and a second write instruction unit 214 transmitting a write instruction for a storage area of the oldest generation to the IC card.
    Type: Application
    Filed: October 30, 2009
    Publication date: May 13, 2010
    Applicant: Hitachi, Ltd.
    Inventors: Takeshi Inoue, Shoko Hatanaka, Makoto Aikawa, Hideyuki Takeda
  • Patent number: 7716516
    Abstract: A technology for supplying a power supply voltage to a microprocessor. Before normal arithmetic processing of the microprocessor, duty cycle correction process for adjusting the duty cycle of a clock signal inside the microprocessor is performed. In the duty cycle correction process for adjusting the duty cycle, the duty cycle of the clock signal is adjusted so as to minimize the power voltage at which the microprocessor is still operable.
    Type: Grant
    Filed: June 21, 2006
    Date of Patent: May 11, 2010
    Assignees: Sony Computer Entertainment Inc., International Business Machines Corporation, Toshiba America Electronic Components, Inc.
    Inventors: Yosuke Muraki, Tetsuji Tamura, Iwao Takiguchi, Makoto Aikawa, Eskinder Hailu, Byron Lee Krauter, Stephen Douglas Weitzel, Jieming Qi, Kazuhiko Miki, David William Boerstler, Gilles Gervais, Kirk David Peterson, Robert Walter Berry, Jr., Sang Hoo Dhong
  • Publication number: 20100085150
    Abstract: A semiconductor element or mobile terminal stores a user's biometric information pattern used for execution of a biometric authentication process and the residual number of trials indicating the number of allowed failures in the biometric authentication process, sends processing data to an external device so that the external device can use the processing data when the external device executes part of the biometric authentication process, and decreases the residual number of trials by a predetermined value while the processing data is output to the external device after start of communication with the external device.
    Type: Application
    Filed: July 16, 2009
    Publication date: April 8, 2010
    Inventors: Makoto Aikawa, Shoko Hatanaka, Takeshi Inoue, Hiroki Yamazaki
  • Patent number: 7628323
    Abstract: In a settlement transaction system or settlement transaction method using the system, the system includes a content providing server conducting a digital broadcast, for example, for a CS broadcast, a BS broadcast, a CATV, or a broadcast using ground waves; a settlement server to execute settlement transaction or settlement transaction, an order placement managing server to execute order placement processing, and an order managing server which receives an order of a request from a user to purchase articles and which sends an associated indication to the settlement server and the order placement managing server according to information of the order. The user operates a terminal in which an IC card communication application to communicate with an IC card is only installed. It then becomes possible to reduce a load imposed onto the system in association with a change to an existing digital broadcast system.
    Type: Grant
    Filed: July 5, 2007
    Date of Patent: December 8, 2009
    Assignee: Hitachi, Ltd.
    Inventors: Kazunori Hashimoto, Yutaka Takami, Makoto Aikawa
  • Patent number: 7611047
    Abstract: In a settlement transaction system or settlement transaction method using the system, the system includes a content providing server conducting a digital broadcast, for example, for a CS broadcast, a BS broadcast, a CATV, or a broadcast using ground waves; a settlement server to execute settlement transaction or settlement transaction, an order placement managing server to execute order placement processing, and an order managing server which receives an order of a request from a user to purchase articles and which sends an associated indication to the settlement server and the order placement managing server according to information of the order. The user operates a terminal in which an IC card communication application to communicate with an IC card is only installed. It then becomes possible to reduce a load imposed onto the system in association with a change to an existing digital broadcast system.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: November 3, 2009
    Assignee: Hitachi, Ltd.
    Inventors: Kazunori Hashimoto, Yutaka Takami, Makoto Aikawa
  • Publication number: 20090228727
    Abstract: A determining unit determines the state of the microprocessor. A setting unit sets a power supply voltage to be supplied to the microprocessor according to the state of the microprocessor determined by the determining unit. A power supply circuit supplies the power supply voltage set by the setting unit, to the microprocessor via a power supply line. The determining unit determines repeatedly the state of the microprocessor at preset timing, and the setting unit resets the power supply voltage every time the determination is performed by the determining unit.
    Type: Application
    Filed: November 20, 2006
    Publication date: September 10, 2009
    Applicant: SONY COMPUTER ENTERTAINMENT INC.
    Inventors: Tetsuji Tamura, Iwao Takiguchi, Yosuke Muraki, Toshiyuki Hiroi, Koji Inoue, Makoto Aikawa