Patents by Inventor Kazuya Ogawa

Kazuya Ogawa 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: 7651818
    Abstract: A lithium ion secondary battery having a positive electrode 3 which contains, as a positive electrode active material, a composite metal oxide containing at least one of Li, Co, Mn, and Ni as a metal component thereof; a negative electrode 2 which contains a negative electrode active material; and a nonaqueous electrolyte solution containing a lithium salt. A charging method is characterized in that constant-current charging is performed with use of a set charging current value of equal to or greater than 0.5C and less than 2C (“C” referred to here is a rated capacity value of said lithium ion second battery).
    Type: Grant
    Filed: July 6, 2005
    Date of Patent: January 26, 2010
    Assignee: TDK Corporation
    Inventors: Tsuyoshi Iijima, Kazuya Ogawa
  • Patent number: 7651815
    Abstract: A lithium secondary battery comprising positive and negative electrodes both capable of occluding and releasing lithium ions, and a lithium ion conductive material which contains a compound of formula (1) exhibits improved characteristics including charge/discharge efficiency, low-temperature properties and cycle performance when (a) only one substituent group of R1, R2, R3 and R4 in formula (1) is alkyl, (b) the negative electrode-constituting material partially contains a carboxyl or hydroxyl group-bearing compound, and the lithium ion conductive material contains propylene carbonate, or (c) a positive electrode active material is a lithium-containing transition metal compound, a negative electrode active material is a carbonaceous material, and the lithium ion conductive material contains as a non-aqueous electrolysis solution a solvent mixture of propylene carbonate and ethylene carbonate in combination with a chain-like carbonate as a low-viscosity solvent
    Type: Grant
    Filed: September 20, 2002
    Date of Patent: January 26, 2010
    Assignee: TDK Corporation
    Inventors: Atsushi Sano, Tsuyoshi Iijima, Satoshi Maruyama, Kazuya Ogawa
  • Patent number: 7583058
    Abstract: The method of charging a lithium ion secondary battery uses a lithium ion secondary battery comprising a positive electrode including a mixed metal oxide containing at least Li, Mn, and Ni as metal components as a positive electrode active material, a negative electrode, and a nonaqueous electrolytic solution containing a lithium salt; and includes a constant current charging step of carrying out constant current charging with a set charging current value I1 corresponding to a set value nC satisfying the condition represented by the expression of 2C?nC?60C, where C is a rated capacity value of the lithium ion secondary battery, and n is a number of 2 to 60.
    Type: Grant
    Filed: November 15, 2004
    Date of Patent: September 1, 2009
    Assignee: TDK Corporation
    Inventors: Tsuyoshi Iijima, Kazuya Ogawa, Toshifumi Tanaka, Satoshi Maruyama
  • Publication number: 20090213777
    Abstract: A content receiver receives content data distributed repeatedly from a distribution station. The content data are stored in a content storage. A reproduction processing unit sequentially reproduces parts of the content data stored in the storage corresponding to content data received by the content receiver. A content management unit monitors the degree of completion of the content data stored. When the monitored degree of completion becomes a preset level or above, a connection processing unit disconnects connection to the distribution station. After the connection has been disconnected, an identifier receiver receives reproduction information informed from the distribution station. The reproduction processing unit reproduces the content data according to the reproduction information.
    Type: Application
    Filed: February 27, 2009
    Publication date: August 27, 2009
    Inventors: Kazuya Ogawa, Hiroshi Takemura, Yuichi Kanai, Yoko Tanaka, Haoming Shen
  • Publication number: 20090177759
    Abstract: A content transmitter distributes contents. An update information management unit manages update information on the update of the contents distributed by the content transmitter. An identifier generator generates notifying identifiers containing the update information managed by the update information management unit. The update information contains the update time of each content or a time period until each content is updated. A beacon transmitter transmits, as beacon, the notifying identifiers generated by the identifier generator.
    Type: Application
    Filed: December 24, 2008
    Publication date: July 9, 2009
    Inventors: Kazuya OGAWA, Haoming Shen, Yoko Tanaka
  • Patent number: 7500941
    Abstract: A folding system is provided for folding at least one wing extending from a central chassis of each of a plurality of absorbent articles formed from a continuous moving web moving in a longitudinal direction. The folding system has a wing-folding conveyor and at least one elongated, folding plow, which has an entrance end, an exit end and an inner edge that define a twist axis. The folding plow has a contoured surface having a configuration defined by a twist angle that increases along the twist axis from zero degrees near the entrance end to 180 degrees near the exit end. The wing-folding conveyor moves the central chassis along the inner edge of the folding plow and the wing slides against the contoured surface from the entrance end to the exit end, such that the wing folds around the central chassis near the inner edge.
    Type: Grant
    Filed: September 6, 2006
    Date of Patent: March 10, 2009
    Assignee: The Procter & Gamble Company
    Inventors: Richard George Coe, Claudio Antonio Matos, Kazuya Ogawa, Michael Joseph Page, Richard William Hamm
  • Publication number: 20080318130
    Abstract: An electrode is provided as one that can suppress generation of hydrogen and that has sufficiently low impedance. The electrode has an aluminum current collector, an aluminum hydroxide layer provided on the aluminum current collector, and an active material layer containing lithium-containing metal oxide and provided on the aluminum hydroxide layer. The thickness of the aluminum hydroxide layer is not more than 50 nm.
    Type: Application
    Filed: March 27, 2008
    Publication date: December 25, 2008
    Applicant: TDK Corporation
    Inventors: Kazuya OGAWA, Kiyonori HINOKI, Yousuke MIYAKI
  • Publication number: 20080314482
    Abstract: The positive electrode active material in accordance with the present invention is used for a positive electrode for a lithium-ion secondary battery, includes Li, Mn, Ni, Co, and O atoms, and has a substantially halite type crystal structure. Specifically, it is preferably expressed by LiaMnbNicCodOe, where a is 0.85 to 1.1, b is 0.2 to 0.6, c is 0.2 to 0.6, d is 0.1 to 0.5, and e is 1 to 2 (the sum of b, c, and d being 1). Because of such composition and crystal structure, the positive electrode active material of the present invention reduces the amount of elution of the battery into the liquid electrolyte and enhances the stability at a high temperature.
    Type: Application
    Filed: August 7, 2008
    Publication date: December 25, 2008
    Applicant: TDK Corporation
    Inventors: Tadashi Suzuki, Kazuya Ogawa, Tsuyoshi Iijima, Satoshi Maruyama
  • Publication number: 20080241655
    Abstract: An electrode is provided as one capable of achieving further improvement in safety of an electrochemical device when exposed to a high-temperature environment, and an electrochemical device is provided as one using the electrode. The electrode has a current collector, an endothermic material layer provided on the current collector, and an active material layer provided on the endothermic material layer. The endothermic material layer contains an endothermic material absorbing heat at 80° C. or higher in a differential scanning calorimetry curve thereof.
    Type: Application
    Filed: March 27, 2008
    Publication date: October 2, 2008
    Applicant: TDK CORPORATION
    Inventors: Kazuya OGAWA, Kiyonori HINOKI, Yousuke MIYAKI
  • Publication number: 20080014497
    Abstract: A lithium secondary battery comprising positive and negative electrodes both capable of occluding and releasing lithium ions, and a lithium ion conductive material which contains a compound of formula (1) exhibits improved characteristics including charge/discharge efficiency, low-temperature properties and cycle performance when (a) only one substituent group of R1, R2, R3 and R4 in formula (1) is alkyl, (b) the negative electrode-constituting material partially contains a carboxyl or hydroxyl group-bearing compound, and the lithium ion conductive material contains propylene carbonate, or (c) a positive electrode active material is a lithium-containing transition metal compound, a negative electrode active material is a carbonaceous material, and the lithium ion conductive material contains as a non-aqueous electrolysis solution a solvent mixture of propylene carbonate and ethylene carbonate in combination with a chain-like carbonate as a low-viscosity solvent.
    Type: Application
    Filed: September 20, 2007
    Publication date: January 17, 2008
    Applicant: TDK CORPORATION
    Inventors: Atsushi Sano, Tsuyoshi Iijima, Satoshi Maruyama, Kazuya Ogawa
  • Publication number: 20070224529
    Abstract: Compounds that are suitable to be used for three-dimensional optical recording materials, etc. The compounds each have a structure that allows pi-electron conjugation to be achieved by linking a porphyrin ring and a perinaphthothioindigo ring to each other with a straight-chain atomic group. The compounds of the present invention are suitable to be used for three-dimensional optical recording materials, etc. since they have a high two-photon absorption efficiency and undergo photochromism effectively through optical absorption.
    Type: Application
    Filed: January 4, 2007
    Publication date: September 27, 2007
    Applicant: National University Corporation Nara Institute of Science and Technology
    Inventors: Yoshiaki Kobuke, Kazuya Ogawa
  • Publication number: 20070176338
    Abstract: A vibration-proofing apparatus is provided which is capable of reliably preventing the occurrence of looseness, abnormal noises and the like even if the outer casing member is unadhered. The vibration-proofing apparatus is composed of a mounting fixture 1, which is joined to either one of a vibration-generating portion and a vibration-receiving portion, an outer casing member 2 made of resin, which is joined to the other of the vibration-receiving portion and the vibration-generating portion, and a rubber resilient body 4, which is fixed between the mounting fixture 1 and an insert fixture 3. The insert fixture 3 is arranged along an inner peripheral face of the outer casing member 2, and the rubber resilient body 4 is attached to the outer casing member 2 via the insert fixture 3. This vibration-proofing apparatus is an apparatus in which a buffer material 5 is interposed between the outer casing member 2 and the insert fixture 3.
    Type: Application
    Filed: March 18, 2004
    Publication date: August 2, 2007
    Inventors: Hiroshi Kojima, Kazuya Ogawa
  • Publication number: 20070107918
    Abstract: A folding system is provided for folding at least one wing extending from a central chassis of each of a plurality of absorbent articles formed from a continuous moving web moving in a longitudinal direction. The folding system has a wing-folding conveyor and at least one elongated, folding plow, which has an entrance end, an exit end and an inner edge that define a twist axis. The folding plow has a contoured surface having a configuration defined by a twist angle that increases along the twist axis from zero degrees near the entrance end to 180 degrees near the exit end. The wing-folding conveyor moves the central chassis along the inner edge of the folding plow and the wing slides against the contoured surface from the entrance end to the exit end, such that the wing folds around the central chassis near the inner edge.
    Type: Application
    Filed: September 6, 2006
    Publication date: May 17, 2007
    Inventors: Richard Coe, Claudio Matos, Kazuya Ogawa, Michael Page, Richard Hamm
  • Patent number: 7197365
    Abstract: An object of the present invention is to realize an in-home network system that is capable of smoothly controlling an appliance even when a new kind of appliance that has not been obtained conventionally is connected to an in-home network or even when an unusual, special use form is set in a network. A controller of the present invention compares a device type of an appliance connected to an in-home network with a skeleton stored in a skeleton DB. When a skeleton rule in accordance with the appliance type is not stored in the skeleton DB, a request for acquisition of the skeleton rule of the appliance is transmitted to a service agent. In addition, when the location of an appliance is moved, the controller sends a request for transmission of a new rule format to be added due to the movement to the service agent.
    Type: Grant
    Filed: January 26, 2005
    Date of Patent: March 27, 2007
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Yoshihiro Hori, Kazuya Ogawa, Etsuko Sugimoto, Hiroshi Takemura, Yoshinori Hatayama
  • Publication number: 20070037049
    Abstract: An auxiliary power unit of the present invention has an auxiliary lithium-ion secondary battery, a charge connector connected to the auxiliary lithium-ion secondary battery and adapted to receive power from an external charger, and a supply connector connected to the auxiliary lithium-ion secondary battery and adapted to supply power of the auxiliary lithium-ion secondary battery to an external portable device, and the auxiliary lithium-ion secondary battery is constructed so that each of thicknesses of cathode active material and anode active material layers is in the range of 10 to 40 ?m.
    Type: Application
    Filed: August 8, 2006
    Publication date: February 15, 2007
    Applicant: TDK CORPORATION
    Inventors: Tsuyoshi Iijima, Kazuya Ogawa
  • Publication number: 20070015063
    Abstract: A nonaqueous solvent in a nonaqueous electrolytic solution in a lithium-ion secondary battery 1 contains propylene carbonate (PC), a first compound expressed by formula (I), and a second compound expressed by formula (II). The content of PC in the nonaqueous solvent is at least 10 volume %. The content X [mass %] of the first compound and the content Y [mass %] of the second compound simultaneously satisfy the conditions represented by expressions (1) and (2) [2?(X+Y)?8 (1), 0.01?(Y/X)?0.30 (2)]. R1 to R6 in formula (I) indicate any of a hydrogen atom and hydrocarbon groups having a carbon number of 1 to 3, whereas R7 and R8 in formula (II) indicate any of a hydrogen atom and hydrocarbon groups having a carbon number of 1 to 3.
    Type: Application
    Filed: May 28, 2004
    Publication date: January 18, 2007
    Applicant: TDK Corporation
    Inventors: Kazuya Ogawa, Atsushi Sano, Tsuyoshi Iijima, Satoshi Maruyama
  • Publication number: 20060217538
    Abstract: A porphyrin/phthalocyanine dimer represented by the following Formula (A-1) and a tetramer represented by the following Formula (A-2) (where R1, R2 and R3 may be the same or different, and each represents a hydrogen atom or an alkyl or alkyloxy group; M1 and M2 may be the same or different, and each represents two protons or a bivalent or trivalent metal ion; X1 represents a single bond or an alkylene group; X represents —O—, —S—, >NR101 (where R101 represents H or alkyl group), CH2, or a single bond; Y represents 2H, ?O or ?S; m is an integer of 0 to 4; Z represents a five- or six-membered nitrogen-containing coordinating heteroaromatic ring group; provided that the multiple substituent groups represented by the same character may be the same or different.
    Type: Application
    Filed: May 30, 2006
    Publication date: September 28, 2006
    Inventors: Yoshiaki Kobuke, Akiharu Satake, Kazuya Ogawa
  • Patent number: 7107474
    Abstract: A data transfer unit (13) is provided for use in a clock swapping system which controls data transfer with a data transmission permit signal (rwo) and data reception permit signal (rro). The data transfer unit (13) includes a data latch (21) which latches transfer data in time with a transmission enable signal (ewi) and from which the data is read in time with a reception enable signal (eri), a first FR-FF circuit (31) which delays the transmission enable signal (ewi) for at least one period of a transmission clock (ckw), and a third SR-FF circuit 33 which delays the reception enable signal (eri) for a period of a reception clock (ckr). In the data transfer unit (13), a signal latched by the first SR-FF circuit (31) is latched a series of two times in time with the reception clock (ckr) to generate the reception permit signal (rro) and a signal latched by the third SR-FF circuit (33) is latched a series of two times in time with the transmission clock (ckw) to generate the transmission permit signal (rwo).
    Type: Grant
    Filed: September 11, 2003
    Date of Patent: September 12, 2006
    Assignee: Sony Corporation
    Inventors: Kazuya Ogawa, Seiichi Emoto
  • Publication number: 20060197496
    Abstract: A combination of lithium ion batteries comprises first and second lithium ion secondary batteries connected in parallel, the first lithium ion secondary battery including an anode active material layer with a thickness in the range of 10 to 40 ?m and a cathode active material layer with a thickness in the range of 10 to 40 ?m, the second lithium ion secondary battery having a volumetric energy density of 250 Wh/l or more. Therefore, the combination of lithium ion batteries can be charged with less charging time than conventional batteries, and can also ensure a high cycle characteristic and safety.
    Type: Application
    Filed: February 6, 2006
    Publication date: September 7, 2006
    Applicant: TDK CORPORATION
    Inventors: Tsuyoshi Iijima, Kazuya Ogawa
  • Patent number: RE41082
    Abstract: There are described a data recording system, a data recording method, and a recording medium, all of which are directed to enabling easy editing of AV data without involvement of duplication of the AV data, as well as to eliminating a necessity for an additional data recording region. In the recording system, at the time of recording of primary data, there is prepared an original file which stores link data formed by arranging in sequence address data for reproduction purposes stored in a recording region on a recording medium. Further, through editing of the original file, there is prepared a virtual file which stores link data formed by arranging in sequence address data for reproduction purposes stored in the recording region on the recording medium. The data are reproduced according to these files.
    Type: Grant
    Filed: January 29, 1999
    Date of Patent: January 19, 2010
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Yuichi Kanai, Kazuya Ogawa, Seiya Ota