Patents by Inventor Toshiaki Funakubo

Toshiaki Funakubo 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).

  • Patent number: 10191509
    Abstract: An information processing device including: a processor configured to: obtain external times that are measured at different time points in another device, measure of the information processing device in response to obtaining each of external times, and correct a first external time that is obtained in a first time period of a plurality of sequential time periods based on a rate of a change in the internal times from a second external time to a third external time, the second external time being an external time at which a time difference between a corrected time of an external time and an internal time is minimum in the second time period, the third external time being an external time at which a time difference between a corrected time of an external time and an internal time is minimum in the third time period.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: January 29, 2019
    Assignee: FUJITSU LIMITED
    Inventors: Toshiaki Funakubo, Kazuho Maeda
  • Publication number: 20180144091
    Abstract: An information processing method executed by a processor included in an information processing apparatus coupled to a sensor, the method includes acquiring information on a living body from the sensor; estimating, by using estimation models, indices other than one unknown index among three indices including an index being related to a feature of a change with time of a biological response signal value derived from a meal after completion of the meal, an index regarding energy consumed by the living body in a time period, and an index regarding a change in an amount of energy stored in the living body in the time period, based on the acquired information; estimating the one unknown index based on a relation satisfied by the three indices and a result of the estimating indices; and generating at least one of model parameters of the estimation models based on the estimated three indices.
    Type: Application
    Filed: November 20, 2017
    Publication date: May 24, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Toshiaki FUNAKUBO, Tatsuya MORI, Daisuke UCHIDA, Kazuho MAEDA, Akihiro INOMATA, Yasuyuki NAKATA
  • Publication number: 20170285684
    Abstract: An information processing device including: a processor configured to: obtain external times that are measured at different time points in another device, measure of the information processing device in response to obtaining each of external times, and correct a first external time that is obtained in a first time period of a plurality of sequential time periods based on a rate of a change in the internal times from a second external time to a third external time, the second external time being an external time at which a time difference between a corrected time of an external time and an internal time is minimum in the second time period, the third external time being an external time at which a time difference between a corrected time of an external time and an internal time is minimum in the third time period.
    Type: Application
    Filed: March 31, 2017
    Publication date: October 5, 2017
    Applicant: FUJITSU LIMITED
    Inventors: Toshiaki FUNAKUBO, Kazuho Maeda
  • Patent number: 9502916
    Abstract: The processor of a power leveling control device acquires electric cell residue of an electric cell device in each monitoring time, calculates an electric cell residue representative value representing a transition of an electric cell residue in the period based on an acquired electric cell residue, and determines a variation with respect to the current leveling target value based on the electric cell residue representative value. The processor determines a leveling target value changed by the determined variation for power leveling for use in the next period, and controls the power to be supplied from a power supply and an electric cell device to a load based on the leveling target value for power leveling in the next period. Thus, the leveling control may be performed depending on the power supply and the power use situation of a load.
    Type: Grant
    Filed: January 20, 2014
    Date of Patent: November 22, 2016
    Assignee: FUJITSU LIMITED
    Inventors: Toshiaki Funakubo, Yasuhiro Endo
  • Patent number: 9084239
    Abstract: A wireless communication apparatus for performing transmission and reception by using a Time Division Duplexing method is disclosed. The wireless communication apparatus includes a receiving part configured to output a timing signal based on a received timing signal, a transmitting part configured to transmit a timing signal based on the timing signal received by the receiving part, a control part configured to increase a reception opportunity for the receiving part to receive the timing signal and decrease a transmission opportunity for the transmitting part to transmit the timing signal as the accuracy of the timing signal received by the receiving part becomes lower.
    Type: Grant
    Filed: August 21, 2013
    Date of Patent: July 14, 2015
    Assignee: FUJITSU LIMITED
    Inventors: Toshiaki Funakubo, Kazumasa Ushiki
  • Publication number: 20140297055
    Abstract: The processor treats, as a maximum charging amount, a sum of a charging amount with which the power storage device is currently being charged and power or a power amount corresponding to a portion of the power measured or the power amount in the units of time measured that is lower than a smaller value between a maximum value of power or a maximum value of the power amount per unit of time supplied from the power supply measured at or after a past first time point. The processor supplies power from the power supply to the load and charges the power storage device within a scope such that the maximum charging amount is not exceeded when the measured power or power amount is equal to or lower than the target value, and supply power from the power storage to the load when the target value has been exceeded.
    Type: Application
    Filed: June 12, 2014
    Publication date: October 2, 2014
    Inventor: Toshiaki FUNAKUBO
  • Publication number: 20140288721
    Abstract: In a system that includes a power supply, a plurality of demand units provided with a power storage device and a load, a power leveling control device that levels power supplied from the power supply to the demand units the remaining power amount of the power storage device of each of the demand units is obtained for each monitoring time. An individual target value for power supplied to each of the demand units is allocated in accordance with the overall target value. In this case, the individual target value of one demand unit is set to a value that is lower than the individual target value of another demand unit, when a remaining power amount of the another demand unit is smaller than a remaining power amount of the one demand unit. The power received from the power supply unit is controlled according to the individual target values.
    Type: Application
    Filed: June 9, 2014
    Publication date: September 25, 2014
    Inventor: Toshiaki FUNAKUBO
  • Publication number: 20140132071
    Abstract: The processor of a power leveling control device acquires electric cell residue of an electric cell device in each monitoring time, calculates an electric cell residue representative value representing a transition of an electric cell residue in the period based on an acquired electric cell residue, and determines a variation with respect to the current leveling target value based on the electric cell residue representative value. The processor determines a leveling target value changed by the determined variation for power leveling for use in the next period, and controls the power to be supplied from a power supply and an electric cell device to a load based on the leveling target value for power leveling in the next period. Thus, the leveling control may be performed depending on the power supply and the power use situation of a load.
    Type: Application
    Filed: January 20, 2014
    Publication date: May 15, 2014
    Applicant: FUJITSU LIMITED
    Inventors: Toshiaki FUNAKUBO, Yasuhiro ENDO
  • Publication number: 20140012426
    Abstract: A switch unit is controlled by a power leveling controller so as to cut off a connection between the power source, and the storage battery and the load when cumulative electric energy exceeds a leveling target value, and to connect the connection when a unit of time has passed. At that time, a processor of the power leveling controller determines to increase, decrease, or maintain a current leveling target value for the leveling target value to be used in a next cycle for power leveling at an end of a leveling cycle according to a value representing a transition in a record of the transition of the remaining battery power of the storage battery in the leveling cycle. Accordingly, it becomes possible to effectively utilize the capacity of a storage battery, and to perform power leveling with a simple process where demand forecasting is not required.
    Type: Application
    Filed: September 11, 2013
    Publication date: January 9, 2014
    Applicant: Fujitsu Limited
    Inventor: Toshiaki FUNAKUBO
  • Publication number: 20130343240
    Abstract: A wireless communication apparatus for performing transmission and reception by using a Time Division Duplexing method is disclosed. The wireless communication apparatus includes a receiving part configured to output a timing signal based on a received timing signal, a transmitting part configured to transmit a timing signal based on the timing signal received by the receiving part, a control part configured to increase a reception opportunity for the receiving part to receive the timing signal and decrease a transmission opportunity for the transmitting part to transmit the timing signal as the accuracy of the timing signal received by the receiving part becomes lower.
    Type: Application
    Filed: August 21, 2013
    Publication date: December 26, 2013
    Applicant: FUJITSU LIMITED
    Inventors: Toshiaki FUNAKUBO, Kazumasa USHIKI
  • Patent number: 8560263
    Abstract: A device that estimates a positional relationship between loads individually connected through sensors to electric power-supply ends provided in a power distribution network includes a communication unit configured to change a resistance value located between each of electric power-supply ends and a ground terminal of each of sensors and measure a voltage value produced between each of the electric power-supply ends and the ground terminal; and a determination unit configured to acquire voltage values from the two selected sensors from among the sensors after a resistance value of one of the two sensors that has a higher acquired voltage value is changed, calculate a ratio between voltage values acquired before and after the resistance value is changed, and determine that the two sensors are connected to a branch circuit in a same system in the power distribution network, when each ratio about the two sensors is within a specified range.
    Type: Grant
    Filed: February 17, 2011
    Date of Patent: October 15, 2013
    Assignee: Fujitsu Limited
    Inventors: Hiroshi Yamamoto, Toshiaki Funakubo, Nobutsugu Fujino, Hirotaka Oshima
  • Patent number: 8547882
    Abstract: A wireless communication apparatus for performing transmission and reception by using a Time Division Duplexing method is disclosed. The wireless communication apparatus includes a receiving part configured to output a timing signal based on a received timing signal, a transmitting part configured to transmit a timing signal based on the timing signal received by the receiving part, a control part configured to increase a reception opportunity for the receiving part to receive the timing signal and decrease a transmission opportunity for the transmitting part to transmit the timing signal as the accuracy of the timing signal received by the receiving part becomes lower.
    Type: Grant
    Filed: September 2, 2009
    Date of Patent: October 1, 2013
    Assignee: Fujitsu Limited
    Inventors: Toshiaki Funakubo, Kazumasa Ushiki
  • Patent number: 8433453
    Abstract: An electric power leveling controller includes an information acquisition unit that acquires information of electric energy consumption from a power consuming device consuming electric energy from the power source and electric energy charged into a power storage device, a storage unit that stores a specific threshold value for each power storage device, and a control unit that causes a first power consuming device to be power-supplied by the power source, causing the power storage device corresponding to the first power consuming device to be charged with a difference between the specific threshold value and the electric energy consumption, causing the power source to supply to a second power consuming device electric energy corresponding to the specific threshold, and causing the power storage device corresponding to the second power consuming device to discharge to the second power consuming device the difference between the electric energy consumption and the specific threshold value.
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: April 30, 2013
    Assignee: Fujitsu Limited
    Inventors: Tadanobu Tsunoda, Kazumasa Ushiki, Hirotaka Oshima, Hiroshi Yamamoto, Toshiaki Funakubo, Nobutsugu Fujino
  • Publication number: 20110218693
    Abstract: An electric power leveling controller includes an information acquisition unit that acquires information of electric energy consumption from a power consuming device consuming electric energy from the power source and electric energy charged into a power storage device, a storage unit that stores a specific threshold value for each power storage device, and a control unit that causes a first power consuming device to be power-supplied by the power source, causing the power storage device corresponding to the first power consuming device to be charged with a difference between the specific threshold value and the electric energy consumption, causing the power source to supply to a second power consuming device electric energy corresponding to the specific threshold, and causing the power storage device corresponding to the second power consuming device to discharge to the second power consuming device the difference between the electric energy consumption and the specific threshold value.
    Type: Application
    Filed: March 1, 2011
    Publication date: September 8, 2011
    Applicant: FUJITSU LIMITED
    Inventors: Tadanobu TSUNODA, Kazumasa USHIKI, Hirotaka OSHIMA, Hiroshi YAMAMOTO, Toshiaki FUNAKUBO, Nobutsugu FUJINO
  • Publication number: 20110208468
    Abstract: A device that estimates a positional relationship between loads individually connected through sensors to electric power-supply ends provided in a power distribution network includes a communication unit configured to change a resistance value located between each of electric power-supply ends and a ground terminal of each of sensors and measure a voltage value produced between each of the electric power-supply ends and the ground terminal; and a determination unit configured to acquire voltage values from the two selected sensors from among the sensors after a resistance value of one of the two sensors that has a higher acquired voltage value is changed, calculate a ratio between voltage values acquired before and after the resistance value is changed, and determine that the two sensors are connected to a branch circuit in a same system in the power distribution network, when each ratio about the two sensors is within a specified range.
    Type: Application
    Filed: February 17, 2011
    Publication date: August 25, 2011
    Applicant: FUJITSU LIMITED
    Inventors: Hiroshi YAMAMOTO, Toshiaki Funakubo, Nobutsugu Fujino, Hirotaka Oshima
  • Patent number: 7912507
    Abstract: A base transceiver station (BTS) identifies the number of currently connected antenna units by receiving a signal to which 1 is added in each antenna unit via a signal line (16) connecting the antenna units (AU1 to AUn) in series. The target output power of each antenna unit, which is obtained by dividing the total target output power of the antenna units by the number of currently connected antenna units, is passed to each antenna unit via a signal line (14) connecting the antenna units in series. Each antenna unit controls the gain of a variable gain amplifier so that its output power becomes equal to the target output power.
    Type: Grant
    Filed: February 2, 2007
    Date of Patent: March 22, 2011
    Assignee: Fujitsu Limited
    Inventors: Takahito Hashigami, Toshiaki Funakubo
  • Publication number: 20090323565
    Abstract: A wireless communication apparatus for performing transmission and reception by using a Time Division Duplexing method is disclosed. The wireless communication apparatus includes a receiving part configured to output a timing signal based on a received timing signal, a transmitting part configured to transmit a timing signal based on the timing signal received by the receiving part, a control part configured to increase a reception opportunity for the receiving part to receive the timing signal and decrease a transmission opportunity for the transmitting part to transmit the timing signal as the accuracy of the timing signal received by the receiving part becomes lower.
    Type: Application
    Filed: September 2, 2009
    Publication date: December 31, 2009
    Inventors: Toshiaki Funakubo, Kazumasa Ushiki
  • Patent number: 7421288
    Abstract: A multi-antenna system comprising a plurality of linearly connected antenna units, and a base station device connected to at least one of the antenna units. The antenna units connected in a first direction or a second direction are combined to constitute a multi antenna.
    Type: Grant
    Filed: August 9, 2005
    Date of Patent: September 2, 2008
    Assignee: Fujitsu Limited
    Inventor: Toshiaki Funakubo
  • Patent number: 7395033
    Abstract: A plurality of carriers are divided into two systems, one on a low-frequency side and the other on a high-frequency side, a transmitting unit that executes processing for transmitting a signal wirelessly is provided in each of the two systems, and output lines of transmit amplifiers of each of the transmitting units are directly coupled and input to an antenna. A feedback unit on the low-frequency side feeds a low-frequency carrier signal portion contained in the transmit signal back to a distortion compensating unit on the low-frequency side, and a feedback unit on the high-frequency side feeds a high-frequency carrier signal portion contained in the transmit signal back to a distortion compensating unit on the high-frequency side. The distortion compensating units compensate for distortion on the low- and high-frequency sides.
    Type: Grant
    Filed: March 22, 2005
    Date of Patent: July 1, 2008
    Assignee: Fujitsu Limited
    Inventors: Mayumi Kodani, Toshiaki Funakubo
  • Patent number: 7394883
    Abstract: A multiple-antenna system including a base station apparatus and a plurality of antenna apparatuses connected to the base station via optical cables is provided. The system comprises a first antenna apparatus and a second antenna apparatus connected to each other via an electric cable. Each of the first and second antenna apparatuses receives a reference pulse from the base station apparatus via the optical cables, and estimates a time difference between the received pulse and the reference pulse supplied from the counterpart antenna apparatus via the electric cable. At least one of the first and second antenna apparatuses adjusts signal transmission timing based on the time differences estimated by the first and second antenna apparatuses.
    Type: Grant
    Filed: August 25, 2004
    Date of Patent: July 1, 2008
    Assignee: Fujitsu Limited
    Inventors: Toshiaki Funakubo, Hironobu Sunden