Patents by Inventor Kenji Hosaka

Kenji Hosaka 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: 10661668
    Abstract: A power conversion apparatus capable of cheaply securing safety and achieving watertightness. The power conversion apparatus (100) has: a charging device (14) for charging from an external power source (20) to a cell (30); an inverter (13) for converting the current of the cell (30) from direct current to alternating current and supplying the current to a motor (40); and a junction box (15) for relaying an electrical connection. The inverter (13), the charging device (14), and the junction box (15) are contained in a single housing. Also, the charging device (14) and the junction box (15) are electrically connected, and the junction box (15) and the inverter (13) are electrically connected. Also, the junction box (15) and the inverter (13) are connected by a bus bar (16).
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: May 26, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Ryota Hosaka, Kazushige Kakutani, Kenji Taguchi, Takashi Kamiya, Nobuo Yamamoto
  • Publication number: 20200144856
    Abstract: A monitoring control system includes: at least one transmission monitoring control subsystem; and at least one distribution monitoring control subsystem. The transmission monitoring control subsystem and the distribution monitoring control subsystem respectively include an operation procedure creation unit that creates an operation procedure that defines a procedure of an operation for a facility installed in an electric power system, and an operation unit that, in a case an on-site operation that cannot be remotely performed on the facility is included in the operation procedure, transmits, to an on-site terminal associated with the on-site operation, a start confirmation instruction to confirm whether or not the on-site operation can be started and the operation procedure for the on-site operation. The monitoring control system performs monitoring control of the power transmission system and the power distribution system based on the operation procedure.
    Type: Application
    Filed: April 23, 2018
    Publication date: May 7, 2020
    Applicants: Toshiba Energy Systems & Solutions Corporation, Tokyo Electric Power Company Holdings, Incorporated
    Inventors: Hiroaki FUJIURA, Masami ONISHI, Hirofumi FUJII, Hiroaki SATO, Koichi TAKEUCHI, Junya YAMAMOTO, Takashi EGUCHI, Tomohiro KUBO, Masanori ENDO, Kenji KITAMI, Takaaki HOSAKA, Jun INOUE
  • Publication number: 20200044941
    Abstract: A monitoring system includes a monitoring control device, an image information providing device, and a client control device. The monitoring control device monitors infrastructure facilities and transmits statuses of the infrastructure facilities acquired on the basis of information input from a sensor to the image information providing device. The image information providing device generates original image information on the basis of the infrastructure facility statuses received from the monitoring control device. The client control device is connected to a display device and an operation device, receives information for designating a partial area of an entire image capable of being generated from the original image information from the operation device, transmits the received information to the image information providing device, and displays an image based on information received from the image information providing device on the display device.
    Type: Application
    Filed: March 28, 2018
    Publication date: February 6, 2020
    Applicants: Toshiba Energy Systems & Solutions Corporation, Tokyo Electric Power Company Holdings, Incorporated
    Inventors: Hiroaki FUJIURA, Masaru KAWAKAMI, Hiroyuki YABE, Yuji FUJIMOTO, Shinobu KAWASHIMA, Koichi TAKEUCHI, Junya YAMAMOTO, Takashi EGUCHI, Tomohiro KUBO, Masanori ENDO, Kenji KITAMI, Takaaki HOSAKA, Jun INOUE
  • Patent number: 10397685
    Abstract: An earphone (1) is provided that includes a first vibration plate (31) for vibration by a first piezoelectric element (32) and a cylindrically-shaped casing (2) for transmission of the vibration of the first vibration plate (31) to ear canal cartilage. The first vibration plate (31) is disposed inside the casing (2). The earphone (1) has a structure whereby an amount of sound leakage, which is due to transmission of the vibration of the first vibration plate (31) to the air, is low. The ear canal cartilage transmits sound to the eardrum of only one ear, thereby enabling localization of sound. The woofer (3) maintains sound pressure at low frequencies.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: August 27, 2019
    Assignee: DAI-ICHI SEIKO CO., LTD.
    Inventors: Kenji Ogata, Akihiko Hosaka, Yoshiyuki Watanabe
  • Patent number: 10318121
    Abstract: A control method according to the present disclosure is used in a remote control system including apparatuses and an information terminal that controls at least one of the apparatuses via a network. The control method includes: a step (S2) of displaying, on a user interface region of a display unit of the information terminal, apparatus icons indicating target apparatus candidates among the apparatuses; a step (S3) of obtaining, via the network, (a) apparatus state information related to the apparatuses and (b) sensor information that is a value indicating a spatial environment in which the apparatuses are located; and a step (S4) of (i) determining priorities of the target apparatus candidates based on the apparatus state information and the sensor information, all of which are obtained in the step (S3), and (ii) sorting, according to the determined priorities, the apparatus icons displayed on the user interface region.
    Type: Grant
    Filed: December 25, 2013
    Date of Patent: June 11, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
    Inventors: Chikara Yoshida, Masayuki Kozuka, Toshihisa Nakano, Tsutomu Sekibe, Jun Yamaguchi, Kazushige Yamada, Kenji Shimizu, Masaki Takahashi, Yuri Nishikawa, Motoji Ohmori, Hiroyuki Takemura, Takeshi Hosaka
  • Patent number: 10286789
    Abstract: A secondary battery charger system in which a chargeable power is calculated on the basis of a difference between a charging target voltage and a cell voltage using a charging control unit that controls a charger used to charge a secondary battery, the secondary battery charger system including a charging threshold voltage setting unit configured to set the charging target voltage to be lower than a charging limitation voltage which is an upper limitation of the cell voltage allowable in design. The charging control unit stops the charging if a predetermined charging stop condition is satisfied while the cell voltage exceeds the charging target voltage and is lower than the charging limitation voltage.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: May 14, 2019
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Hayato Nagakura, Kenichi Sakai, Kenji Hosaka, Kazuma Tamai, Hiroto Okabe
  • Patent number: 10261136
    Abstract: A battery degradation degree estimation device includes a total degradation degree detection unit configured to detect a present total degradation degree of a battery, a cycle degradation estimation unit configured to estimate a future cycle degradation degree due to charge/discharge of the battery, a storage degradation estimation unit configured to estimate a future storage degradation degree over time inside the battery, and a battery degradation estimation unit configured to estimate a future battery degradation degree on the basis of the present total degradation degree, the future cycle degradation degree and the future storage degradation degree.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: April 16, 2019
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Kenji Hosaka, Kazuma Tamai, Chizuru Matsuyama, Kenichi Sakai
  • Patent number: 10177387
    Abstract: Provided is a bipolar battery current collector that includes a conductive resin layer formed in such a manner as to, when at least part of the conductive resin layer reaches a predetermined temperature, interrupts a flow of electric current through the at least part of the conductive resin layer in a vertical direction thereof. Also provided is a bipolar battery using the current collector. It is possible by the use of the current collector to suppress local heat generation in the bipolar battery and improve the durability of the bipolar battery.
    Type: Grant
    Filed: October 12, 2015
    Date of Patent: January 8, 2019
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Kazuki Miyatake, Kenji Hosaka, Yoshio Shimoida, Hideaki Horie
  • Publication number: 20180246174
    Abstract: A deterioration degree estimation device includes an internal resistance detection unit, a deterioration management unit and a deterioration degree estimation unit. The internal resistance detection unit detects an internal resistance of a battery. The deterioration management unit manages a cycle deterioration of the battery. The deterioration degree estimation unit estimates a deterioration degree of the battery as an estimated deterioration degree based on an increase rate of the internal resistance. The deterioration degree estimation unit estimates the estimated deterioration degree such that the estimated deterioration degree decreases as the cycle deterioration increases, or such that the estimated deterioration degree increases as the cycle deterioration degree decreases.
    Type: Application
    Filed: August 26, 2015
    Publication date: August 30, 2018
    Inventors: Hironobu SHIMOSAWA, Kenichi SAKAI, Kenji HOSAKA, Tomoyuki SHIRATSUCHI
  • Patent number: 10001528
    Abstract: A battery deterioration degree estimating apparatus includes a storage deterioration degree estimator that estimates the storage deterioration degree of the battery in reuse based on the storage deterioration degree of the battery in the in-vehicle period and the load information of the battery in reuse, the cycle deterioration degree estimator that estimates the cycle deterioration degree of the battery in reuse on the basis of the load information of the battery in reuse, and the total-deterioration-degree at secondary-use-start calculator that calculates the total deterioration degree of the battery at the time point of reuse start. The battery deterioration degree estimating apparatus includes the total-deterioration-degree detector that estimates the total deterioration degree of the battery after the reuse start on the basis of the storage deterioration degree in reuse, the cycle deterioration degree in reuse, and the total deterioration degree of the battery at the time point of the reuse start.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: June 19, 2018
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Chizuru Matsuyama, Kenji Hosaka
  • Publication number: 20180156873
    Abstract: A battery deterioration degree estimating apparatus includes a storage deterioration degree estimator that estimates the storage deterioration degree of the battery in reuse based on the storage deterioration degree of the battery in the in-vehicle period and the load information of the battery in reuse, the cycle deterioration degree estimator that estimates the cycle deterioration degree of the battery in reuse on the basis of the load information of the battery in reuse, and the total-deterioration-degree at secondary-use-start calculator that calculates the total deterioration degree of the battery at the time point of reuse start. The battery deterioration degree estimating apparatus includes the total-deterioration-degree detector that estimates the total deterioration degree of the battery after the reuse start on the basis of the storage deterioration degree in reuse, the cycle deterioration degree in reuse, and the total deterioration degree of the battery at the time point of the reuse start.
    Type: Application
    Filed: May 29, 2015
    Publication date: June 7, 2018
    Inventors: Chizuru Matsuyama, Kenji Hosaka
  • Patent number: 9929581
    Abstract: A charge control device that charges a battery to a predetermined charging rate using an output power from a charger includes a charger control means that controls the output power of the charger based on a first map indicative of the relationship of the charge power with respect to the state of the battery and the charge time of the battery, and an allowable charge time calculation means that calculates the allowable charge time of the battery charge time. The charge control device refers to the first map for calculating the charge power with which to charge the battery in the allowable charge time, and controls the output power of the charger according to the charge power calculated based on the allowable charge time.
    Type: Grant
    Filed: September 10, 2013
    Date of Patent: March 27, 2018
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Atsushi Takano, Kenji Hosaka
  • Publication number: 20170274784
    Abstract: A secondary battery charger system in which a chargeable power capacity is calculated on the basis of a difference between a charging target voltage and a cell voltage using a charging control unit that controls a charger used to charge a secondary battery, the secondary battery charger system including a charging threshold voltage setting unit configured to set the charging target voltage to be lower than a charging limitation voltage which is an upper limitation of the cell voltage allowable in design. The charging control unit stops the charging if a predetermined charging stop condition is satisfied while the cell voltage exceeds the charging target voltage and is lower than the charging limitation voltage.
    Type: Application
    Filed: August 29, 2014
    Publication date: September 28, 2017
    Inventors: Hayato Nagakura, Kenichi Sakai, Kenji Hosaka, Kazuma Tamai, Hiroto Okabe
  • Patent number: 9666858
    Abstract: A negative electrode for a secondary battery according to the present invention has a collector and a negative electrode active material layer formed on a surface of the collector and containing negative electrode active material particles. In the negative electrode active material layer, an insulating material is arranged between the negative electrode active material particles so as not to develop conductivity by a percolation path throughout the negative electrode active material layer. It is possible in this configuration to effectively prevent the occurrence of a short-circuit current due to an internal short circuit and the generation of heat due to such short-circuit current flow in the secondary battery while securing the battery performance of the secondary battery.
    Type: Grant
    Filed: May 25, 2011
    Date of Patent: May 30, 2017
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Kenji Ohara, Sohei Suga, Yasuo Ohta, Tomoya Kubota, Kazuyuki Sakamoto, Takaaki Abe, Satoru Ichikawa, Kenji Hosaka, Kosuke Hagiyama, Hiroshi Miyakubo
  • Publication number: 20170131364
    Abstract: A battery degradation degree estimation device includes a total degradation degree detection unit configured to detect a present total degradation degree of a battery, a cycle degradation estimation unit configured to estimate a future cycle degradation degree due to charge/discharge of the battery, a storage degradation estimation unit configured to estimate a future storage degradation degree over time inside the battery, and a battery degradation estimation unit configured to estimate a future battery degradation degree on the basis of the present total degradation degree, the future cycle degradation degree and the future storage degradation degree.
    Type: Application
    Filed: May 28, 2015
    Publication date: May 11, 2017
    Inventors: Kenji HOSAKA, Kazuma TAMAI, Chizuru MATSUYAMA, Kenichi SAKAI
  • Patent number: 9450266
    Abstract: A battery main body housed in a case comprises one laminated body composed of a plurality of bipolar electrodes laminated with an electrolyte layer therebetween or comprises a plurality of laminated bodies connected in series. A positive electrode current collecting plate and a negative electrode current collecting plate each having one surface joined to the inner peripheral surface of the case and the other surface joined to one end of the battery main body respectively extend to the outside of the case. By providing a cutoff mechanism for cutting off an electrical connection between the positive electrode current collecting plate and the negative electrode current collecting plate via the battery main body according to an expansion deformation of the case, a current path in a bipolar secondary battery is interrupted when the short-circuit current occurs, thereby protecting the bipolar secondary battery from a short-circuit current.
    Type: Grant
    Filed: May 17, 2011
    Date of Patent: September 20, 2016
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Kenji Hosaka, Shiho Inoue, Masaaki Suzuki, Kazuki Miyatake
  • Patent number: 9299973
    Abstract: A battery module 11 is structured to include a flat-type battery 40 in which current can be taken out from both faces of an electric generation element 20 in a layered direction, flat-plate-type electrode tabs 50 and 60 having a face contact with a current-taking-out plane of the flat-type battery to take out current, and a packaging case 100 covering the flat-type battery and the electrode tab. The inner face of the packaging case and the electrode tab have therebetween an elastic member 120.
    Type: Grant
    Filed: February 9, 2007
    Date of Patent: March 29, 2016
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Takuya Kinoshita, Hideaki Horie, Osamu Shimamura, Kenji Hosaka, Takaaki Abe
  • Publication number: 20160043405
    Abstract: Provided is a bipolar battery current collector that includes a conductive resin layer formed in such a manner as to, when at least part of the conductive resin layer reaches a predetermined temperature, interrupts a flow of electric current through the at least part of the conductive resin layer in a vertical direction thereof. Also provided is a bipolar battery using the current collector. It is possible by the use of the current collector to suppress local heat generation in the bipolar battery and improve the durability of the bipolar battery.
    Type: Application
    Filed: October 12, 2015
    Publication date: February 11, 2016
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Kazuki MIYATAKE, Kenji HOSAKA, Yoshio SHIMOIDA, Hideaki HORIE
  • Publication number: 20150236524
    Abstract: A charge control device that charges a battery to a predetermined charging rate using an output power from a charger includes a charger control means that controls the output power of the charger based on a first map indicative of the relationship of the charge power with respect to the state of the battery and the charge time of the battery, and an allowable charge time calculation means that calculates the allowable charge time of the battery charge time. The charge control device refers to the first map for calculating the charge power with which to charge the battery in the allowable charge time, and controls the output power of the charger according to the charge power calculated based on the allowable charge time.
    Type: Application
    Filed: September 10, 2013
    Publication date: August 20, 2015
    Inventors: Atsushi Takano, Kenji Hosaka
  • Patent number: 9017877
    Abstract: A current collector for a nonaqueous solvent secondary battery, which includes: a first metal layer; and a second metal layer stacked on a surface of the first metal layer, is composed so that a Young's modulus (E1), Vickers hardness (Hv1) and thickness (T1) of the first metal layer and a Young's modulus (E2), Vickers hardness (Hv2) and thickness (T2) of the second metal layer can satisfy the following Expression: (E1>E2 or Hv1>Hv2); and T1<T2.
    Type: Grant
    Filed: May 23, 2008
    Date of Patent: April 28, 2015
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Hajime Sato, Kenji Hosaka, Hideaki Horie