Patents by Inventor Keisuke Minami

Keisuke Minami 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: 9231245
    Abstract: A positive electrode plate for a nonaqueous electrolyte secondary battery, the positive electrode plate including: a positive electrode substrate; a positive electrode active material layer formed on the positive electrode substrate; and a positive electrode substrate exposed portion on which the positive electrode active material layer is not formed, the positive electrode substrate exposed portion having a region that is adjacent to the positive electrode active material layer and has a protective layer formed thereon, the positive electrode active material layer and the protective layer containing polyvinylidene fluoride, and the weight average molecular weight Mw of the polyvinylidene fluoride contained in the protective layer being larger than the weight average molecular weight Mw of the polyvinylidene fluoride contained in the positive electrode active material layer.
    Type: Grant
    Filed: March 15, 2012
    Date of Patent: January 5, 2016
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Tetsuya Matsuda, Naoki Ogawa, Keisuke Minami, Toyoki Fujihara, Toshiyuki Nohma
  • Patent number: 9203115
    Abstract: Provided is a method of manufacturing a nonaqueous electrolyte secondary battery. The method includes: forming an electrode assembly including a positive electrode plate and a negative electrode plate disposed with a separator interposed therebetween; arranging the electrode assembly and a nonaqueous electrolyte containing LiBOB (lithium bis(oxalato)borate) and LiPF2O2 (lithium difluorophosphate) inside an outer body; and configuring the concentration of the LiBOB to be larger than that of the LiPF2O2 and to be smaller than that of the LiPF2O2 by charge and discharge.
    Type: Grant
    Filed: August 8, 2013
    Date of Patent: December 1, 2015
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Keisuke Minami, Toyoki Fujihara, Toshiyuki Nohma
  • Publication number: 20150256626
    Abstract: According to an embodiment, a communication device includes a connection establishment unit, a forwarder, and a generator. The connection establishment unit is configured to receive, from a terminal device, a connection request containing identification information of the terminal device, establish a communication connection with the terminal device, and store the identification information and terminal connection information. The forwarder is configured to receive, from a first terminal device, a message to be transmitted from the first terminal device to a second terminal device, and forward the message to the second terminal device, based on forwarding information containing the terminal connection information corresponding to the identification information of the first terminal device, and the terminal connection information corresponding to the identification information of the second terminal device.
    Type: Application
    Filed: March 3, 2015
    Publication date: September 10, 2015
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Daisuke AJITOMI, Keisuke Minami, Hiroshi Kawazoe, Hiroyuki Aizu
  • Publication number: 20150256622
    Abstract: According to an embodiment, a connection management device is in a communication system in which relay devices are provided for relaying communication between two terminal devices associated with each other in advance. The connection management device determines the relay device with which each terminal device should establish connection. The connection management device includes a storage, an update unit, a request reception unit, and a determination unit. The storage stores state information including a loaded condition and/or terminal connection number for each relay device. The update unit updates the storage in accordance with a predetermined rule. The request reception unit receives, from any one of the terminal devices, a determination request of the relay device with which the terminal device should establish connection.
    Type: Application
    Filed: January 26, 2015
    Publication date: September 10, 2015
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Hiroshi KAWAZOE, Daisuke AJITOMI, Keisuke MINAMI
  • Patent number: 9131261
    Abstract: An information processor includes a receiver configured to receive, from a first device, a response information request including content identification information for identifying a content in a network; an extraction portion configured to extract a plurality of element information pieces included in the content identification information; a storage to store therein each of conditions for a first element information piece among the plurality of element information pieces, and a response information piece in association with each other; and a generator configured to generate a response message including the response information piece stored in association with a condition that the first element information piece extracted by the extraction portion satisfies among the conditions for the first element information piece stored in the storage portion.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: September 8, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Daisuke Ajitomi, Hiroyuki Aizu, Keisuke Minami, Kotaro Ise
  • Publication number: 20150188184
    Abstract: A non-aqueous electrolytic secondary battery is provided having an electrode assembly having a positive electrode plate on which a positive electrode mixture layer is formed over a surface of a positive electrode core, and a negative electrode plate on which a negative electrode mixture layer is formed over a surface of a negative electrode core, and a non-aqueous electrolyte, wherein the positive electrode mixture layer includes a lithium transition metal complex oxide, the negative electrode mixture layer includes a negative electrode active material to and from which lithium ions may be introduced and extracted, a thickness of the positive electrode plate is less than or equal to 60 ?m, a thickness of the negative electrode plate is less than or equal to 65 ?m, a ratio of a thickness of the positive electrode core with respect to the thickness of the positive electrode plate is 22˜27%, and a ratio of a thickness of the negative electrode core with respect to the thickness of the negative electrode plate is
    Type: Application
    Filed: December 24, 2014
    Publication date: July 2, 2015
    Inventors: Keisuke MINAMI, Toyoki FUJIHARA
  • Publication number: 20150188196
    Abstract: A non-aqueous electrolytic secondary battery is provided having a flat-shaped winding electrode assembly having a positive electrode plate and a negative electrode plate, a non-aqueous electrolyte, and a rectangular outer housing that houses the winding electrode assembly and the non-aqueous electrolyte, wherein the non-aqueous electrolyte includes lithium fluorosulfonic acid, the rectangular outer housing has a pair of large-area side walls and a pair of small-area side walls, and a value of a number of layers of the positive electrode plate in the winding electrode assembly placed between the pair of the large-area side walls with respect to a distance between the pair of the large-area side walls is greater than or equal to 5 layers/mm.
    Type: Application
    Filed: December 24, 2014
    Publication date: July 2, 2015
    Inventors: Keisuke MINAMI, Toyoki FUJIHARA
  • Publication number: 20150188103
    Abstract: A battery pack is provided in which a plurality of rectangular secondary batteries are layered with a spacer therebetween. The rectangular secondary battery has a rectangular outer housing that houses a winding electrode assembly and a non-aqueous electrolyte including lithium fluorosulfonic acid, the rectangular outer housing has a bottom, a pair of large-area side walls, and a pair of small-area side walls, and the spacer has a body section, a lower wall section placed to oppose the bottom of the rectangular outer housing, and a pair of side wall sections placed to oppose the small-area side walls of the rectangular outer housing.
    Type: Application
    Filed: December 24, 2014
    Publication date: July 2, 2015
    Inventors: Keisuke MINAMI, Toyoki FUJIHARA
  • Publication number: 20140320498
    Abstract: According to an embodiment, a terminal device includes a memory unit, a managing unit, a detecting unit, a reference assigning unit, a reference deleting unit, a determining unit, and a changing unit, and a deleting unit. The detector detects that a first graph element read by a processing unit is updated before the start of transactions being executed by the processing unit. The determining unit determines that a first graph element is updated before the start of the oldest transaction being executed and does not have reference information assigned thereto. The first graph element is pointed to by link information of a second information. The changing unit changes the link information of the second graph element to point to a third graph element, or delete the link information. The deleting unit deletes the first graph element.
    Type: Application
    Filed: March 12, 2014
    Publication date: October 30, 2014
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Daisuke AJITOMI, Keisuke MINAMI, Masataka GOTO
  • Publication number: 20140325271
    Abstract: According to an embodiment, a terminal device includes a memory unit, a managing unit, a manipulation recording unit, and at least one of first and second detecting units. The managing unit generates and deletes a processing unit which executes a transaction for individually manipulating data with respect to data elements and data containers stored in the memory unit. The manipulation recording unit records manipulation information while a transaction is being executed by the processing unit. The first and second detecting units detect the presence or absence of competition. The first detecting unit detects competition during an execution state of a transaction as set by the processing unit. The second detecting unit detects competition during a commit preparation state of a transaction as set by the processing unit. When at least either the first detecting unit or the second detecting unit detects competition, the processing unit aborts the transaction.
    Type: Application
    Filed: March 10, 2014
    Publication date: October 30, 2014
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Daisuke AJITOMI, Keisuke MINAMI, Masataka GOTO
  • Publication number: 20140297878
    Abstract: According to an embodiment, a communication control device includes a first connecting unit, a connection maintaining unit, and a disconnection detector. The first connecting unit is configured to connect to a server via a network and establish connection with the server. The connection maintaining unit is configured to transmit a packet for maintaining the connection to the server when a non-communication state of the connection continues for a predetermine time. The disconnection detector is configured to detect a packet stoppage state. When the disconnection detector has detected the packet stoppage state, the connection maintaining unit shortens the predetermined time.
    Type: Application
    Filed: October 31, 2013
    Publication date: October 2, 2014
    Applicants: TOSHIBA LIGHTING & TECHNOLOGY CORPORATION, KABUSHIKI KAISHA TOSHIBA
    Inventors: Keisuke Minami, Daisuke Ajitomi, Masataka Goto, Takayuki Yamamoto, Tatsuya Nakagawa, Takuya Kishimoto
  • Publication number: 20140229496
    Abstract: According to an embodiment, an information processing device includes a first memory unit, a second memory unit, and a transformation processing unit. The first memory unit is configured to store therein data having a graph structure which contains, as node information of a node, a list of edges related to the node. The second memory unit is configured to store therein data which has a non-graph structure different from the graph structure and which represents a mutual relationship between data elements. The transformation processing unit is configured to transform a data structure of the data stored in the first memory unit from the graph structure to the non-graph structure, and store the transformed data in the second memory unit.
    Type: Application
    Filed: February 6, 2014
    Publication date: August 14, 2014
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Keisuke MINAMI, Daisuke AJITOMI, Masataka GOTO, Shinya MURAI
  • Publication number: 20140205871
    Abstract: A nonaqueous electrolyte secondary battery includes: an electrode assembly including positive and negative electrode plates; a nonaqueous electrolyte; an outer body; and a current interruption mechanism being provided on at least one of a conductive pathway between the positive electrode plate and a positive electrode external terminal and a conductive pathway between the negative electrode plate and a negative electrode external terminal. The nonaqueous electrolyte contains an overcharge inhibitor. The positive electrode active material layer has a specific surface area of 1.3 m2/g or less. The positive electrode active material layer has a total surface area of 41 m2/g or less with respect to the total mass of the overcharge inhibitor in the nonaqueous electrolyte. Thus the battery can increase a battery internal pressure inside the outer body in a short period of time to activate the current interruption mechanism to interrupt the conductive pathway if the battery is overcharged.
    Type: Application
    Filed: January 3, 2014
    Publication date: July 24, 2014
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Keisuke MINAMI, Toyoki FUJIHARA, Toshiyuki NOHMA
  • Patent number: 8776203
    Abstract: An access authorizing apparatus includes a receiving unit, a first transmitting/receiving unit, a token issuer and a transmitting unit. A receiving unit receives first approval information indicating that access to the resource in the device has been approved by an access approver, from the first application via the network. A first transmitting/receiving unit transmits an access approval request including the first approval information to the access approving apparatus, and receives access enable/disable information indicating whether the access to the resource by the first application is permitted, from the access approving apparatus. A token issuer, when the access enable/disable information indicates that the access to the resource is permitted, issues token information that gives authority to access the resource to the first application. A transmitting unit transmits the token information issued by the token issuer, to the first application.
    Type: Grant
    Filed: September 15, 2011
    Date of Patent: July 8, 2014
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Daisuke Ajitomi, Keisuke Minami, Shunichi Gondo, Hiroyuki Aizu, Kotaro Ise
  • Publication number: 20140080010
    Abstract: To provide with high productivity a non-aqueous electrolyte secondary battery having high capacity and superior low temperature characteristics. The present invention is a non-aqueous electrolyte secondary battery including a positive electrode and a non-aqueous electrolyte containing a non-aqueous solvent, the non-aqueous electrolyte secondary battery characterized in that the non-aqueous solvent includes 30 to 70 vol % ethylene carbonate at 25° C. and 1 atm, the non-aqueous electrolyte includes a total of 0.01 to 0.10 mol/L lithium difluorophosphate and/or lithium monofluorophosphate, and the packing density of the positive electrode active material layer is from 2.0 to 2.8 g/ml.
    Type: Application
    Filed: July 16, 2013
    Publication date: March 20, 2014
    Inventors: Shingo Tode, Keisuke Minami, Toyoki Fujihara, Toshiyuki Nohma
  • Publication number: 20140045043
    Abstract: A nonaqueous electrolyte secondary battery according to an embodiment of the present invention includes an electrode assembly and a nonaqueous electrolyte. The electrode assembly includes a positive electrode, a negative electrode, and a separator. The negative electrode is opposed to the positive electrode. The separator is disposed between the positive electrode and the negative electrode. The capacity of the battery is not less than 21 Ah. The negative electrode is provided on the outer periphery side of the electrode assembly. The nonaqueous electrolyte contains lithium difluorophosphate.
    Type: Application
    Filed: August 8, 2013
    Publication date: February 13, 2014
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Taiki Nonaka, Keisuke Minami, Toshikazu Yoshida, Toyoki Fujihara, Toshiyuki Nohma
  • Publication number: 20140045034
    Abstract: A nonaqueous electrolyte secondary battery includes: a stacked electrode assembly formed by stacking a plurality of layers of a positive electrode plate and a plurality of layers of a negative electrode plate with a separator interposed therebetween; a nonaqueous electrolyte formed by dissolving LiPF6 into a mixed solvent; and an aluminum laminated outer body that stores the stacked electrode assembly and into which the electrolyte is poured. The nonaqueous electrolyte contains LiBOB and LiPF2O2. Each of the positive electrode plate and the negative electrode plate has an area of 100 cm2 or larger. The stacked electrode assembly has a thickness in the stacking direction of 10 mm or smaller.
    Type: Application
    Filed: August 8, 2013
    Publication date: February 13, 2014
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Tomo Kondo, Masahiro Iyori, Keisuke Minami, Toyoki Fujihara, Toshiyuki Nohma
  • Publication number: 20140045044
    Abstract: A nonaqueous electrolyte secondary battery according to an embodiment of the present invention includes an electrode assembly, a nonaqueous electrolyte, and a container. The electrode assembly has a positive electrode, a negative electrode, and a separator. The positive electrode contains particles of a lithium transition metal compound as a positive electrode active material. The negative electrode is opposed to the positive electrode. The separator is disposed between the positive electrode and the negative electrode. The nonaqueous electrolyte contains lithium difluorophosphate. The container houses the electrode assembly and the nonaqueous electrolyte. The battery capacity is not less than 21 Ah. The mean particle diameter (D50) of the particles of the lithium transition metal compound is not less than 5 ?m and not more than 15 ?m. The (D90?D10)/D50 of the particles of the lithium transition metal compound is under 1.1.
    Type: Application
    Filed: August 8, 2013
    Publication date: February 13, 2014
    Applicant: SANYO ELECTRIC CO., LTD.
    Inventors: Daisuke Ikeda, Keisuke Minami, Toyoki Fujihara, Toshiyuki Nohma
  • Publication number: 20140045012
    Abstract: To provide a non-aqueous electrolyte secondary battery having high capacity and superior safety and cycle characteristics. The present invention is a non-aqueous electrolyte secondary battery including an electrode assembly and a non-aqueous electrolyte, the electrode assembly having a positive electrode, a negative electrode and a separator separating the positive electrode and the negative electrode, the non-aqueous electrolyte secondary battery characterized in that the separator has a three-layer laminated structure, the melting point of the middle layer being lower than either of the two outer layers, and the non-aqueous electrolyte including lithium bis(oxalato)borate.
    Type: Application
    Filed: July 16, 2013
    Publication date: February 13, 2014
    Applicant: Sanyo Electric Co., Ltd.
    Inventors: Taiki Nonaka, Keisuke Minami, Shingo Tode, Toyoki Fujihara, Toshiyuki Nohma
  • Publication number: 20140045013
    Abstract: To provide a non-aqueous electrolyte secondary battery having high capacity and superior safety. The present invention is a non-aqueous electrolyte secondary including having a wound electrode assembly of a positive electrode, negative electrode and separator housed in an outer can having both a bottom and an opening, the opening being sealed by a sealing plate.
    Type: Application
    Filed: July 16, 2013
    Publication date: February 13, 2014
    Inventors: Keisuke Minami, Toyoki Fujihara, Toshiyuki Nohma