Patents by Inventor Kazuhiro Takeda

Kazuhiro Takeda 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: 7479079
    Abstract: A generator for a human powered vehicle comprises a hub shaft structured to be mounted to the human powered vehicle, a hub shell mounted to rotate relative to the hub shaft, a power generating mechanism including a coil and a magnet that rotate relative to each other, and a rotating member structured to rotate relative to the hub shaft, wherein at least one of the coil or the magnet rotate together with the rotating member. A transmission communicates rotation from an input member to an output member corresponding to a plurality of gear ratios, and a switching unit couples the rotating member to the transmission so that the rotating member rotates at a plurality of speeds relative to the hub shell.
    Type: Grant
    Filed: May 27, 2006
    Date of Patent: January 20, 2009
    Assignee: Shimano, Inc.
    Inventors: Kazuhiro Takeda, Satoshi Kitamura, Takumi Onogi
  • Patent number: 7472541
    Abstract: Provided is a compressor control unit with a high response ability to changes of gas condition of a compressor (compressor suction temperature, pressure, gas specific gravity, pressure ratio of suction pressure and discharge pressure). In the control unit for a compressor that supplies gas into a gas turbine through a header tank, an inlet gas condition is measured and a load command value from a gas turbine controller is corrected to be increased or decreased corresponding to the measured inlet gas condition.
    Type: Grant
    Filed: November 7, 2005
    Date of Patent: January 6, 2009
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Kazuhiro Takeda, Kazuko Takeshita, Makoto Tsutsui, Hiroaki Yoshida, Kengo Hirano
  • Publication number: 20080306643
    Abstract: A hybrid-vehicle driving system includes an engine, a transmission, a first motor/generator provided between the engine and the transmission, and a battery that can charge and discharge the first motor/generator. When an estimated output voltage of the first motor/generator becomes higher than or equal to a predetermined voltage during a gear shift operation of the transmission, the battery is electrically disconnected from the driving system, and the voltage of a power line on the side of the first motor/generator is then decreased so as to charge the battery.
    Type: Application
    Filed: January 10, 2007
    Publication date: December 11, 2008
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Tomoyuki Hanyu, Kazuhiro Takeda, Yuki Kosaka, Hiraku Ooba, Hiroshi Iwano, Susumu Komiyama
  • Publication number: 20080174274
    Abstract: A battery unit has positive and negative terminals, a pair of battery modules, three switch modules, a bypass line and a controller. A first battery module is connected to the positive and negative terminals. The second battery module is connected in parallel with the first battery module. Each battery module includes a battery and a reactor connected together in series. The first switch module extends between the negative terminal and a negative electrode side of the first battery module. The second switch module extends between positive electrode sides of the first and second battery modules. The bypass line connects a point lying between the first battery module and the first switch module to a point lying between the second battery module and the second switch module. The third switch module is arranged in the bypass line. The controller controls an on-off state of each of the switch modules.
    Type: Application
    Filed: January 7, 2008
    Publication date: July 24, 2008
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Yuki KOSAKA, Susumu KOMIYAMA, Kazuhiro TAKEDA
  • Publication number: 20080172504
    Abstract: An interactive control system using a remote control signal in accordance with HDMI-CEX standards between a computer and an electric home appliance performs power supply control and screen display from a PC to a television, power supply control from the television to the PC, and application control on the PC. In the system, a personal computer (PC) is loaded with a controller capable of operating by a standby power supply. The remote control signal of a PC remote controller is input to an HDMI unit connector of a television through a photoreceiver controller of a PC, a USB/CEC power-on signal connector, a CEC unit connector, a signal line a, an HDMI unit connector, and a cable. The remote control signal of a TV remote controller is input to the cable, the HDMI unit connector, the CEC unit connector, a USB power supply connector, and a USB data processing unit.
    Type: Application
    Filed: October 31, 2007
    Publication date: July 17, 2008
    Applicant: FUJITSU LIMITED
    Inventors: Masatoshi Kimura, Kazuhiro Takeda
  • Publication number: 20080163261
    Abstract: An application execution apparatus includes: a notification section capable of providing notification; and an application execution section that causes at least one application capable of performing at least one process to perform a plurality of processes by executing the application, the application issuing, in response to a predetermined result obtained by performing each process, an instruction for causing the notification section to start or stop providing notification. The apparatus further includes: a selection section that selects one of the plurality of processes; and a notification control section that causes the notification section to start or stop providing notification according to an instruction that is issued by the application in response to a result of execution of the process selected by the selection section.
    Type: Application
    Filed: September 19, 2007
    Publication date: July 3, 2008
    Applicant: FUJITSU LIMITED
    Inventors: Masatoshi Kimura, Kazuhiro Takeda
  • Publication number: 20080154531
    Abstract: A testing tool for electric bicycle devices includes a tester circuit and a connector. The tester circuit is configured and arranged to test and diagnose operability of at least one electric bicycle device. The connector extends from the tester circuit and is configured and arranged to connect to the electric bicycle device and provide electronic communications between the tester circuit and the electric bicycle device.
    Type: Application
    Filed: October 31, 2006
    Publication date: June 26, 2008
    Applicant: Shimano Inc.
    Inventors: Etsuyoshi Watarai, Kazuhiro Takeda, Haruyuki Takebayashi
  • Patent number: 7379798
    Abstract: A bicycle display apparatus comprises a computing component and a separate display component. The computing component is structured for attachment to the bicycle, calculates cumulative information produced from a bicycle-related running condition, and includes an information output for outputting the calculated cumulative information. The display component includes an information input that receives the cumulative information calculated by the computing component, and the display component displays the cumulative information calculated by the computing component.
    Type: Grant
    Filed: February 25, 2004
    Date of Patent: May 27, 2008
    Assignee: Shimano, Inc.
    Inventors: Kazuhiro Takeda, Haruyuki Takebayashi
  • Publication number: 20080109121
    Abstract: A bicycle user information apparatus comprises an information receiver that receives information corresponding to the bicycle user through the Internet; and an administration control unit that manages the information received through the information receiver and enables external access to the managed information in response to predetermined criteria. The administration control unit includes a user registration unit that registers identifying information corresponding to the bicycle user.
    Type: Application
    Filed: December 21, 2007
    Publication date: May 8, 2008
    Applicant: SHIMANO, INC.
    Inventor: KAZUHIRO TAKEDA
  • Publication number: 20080054870
    Abstract: A power accumulating unit of a power supply system includes a first switch section configured to achieve a first voltage output state in which an output voltage is substantially equal to a first motor driving voltage and a second switch section configured to achieve a second voltage output state in which the output voltage is substantially equal to a second motor driving voltage that is higher than the first motor driving voltage. A voltage switching control part is configured to perform a voltage switching control to switch between the first motor driving voltage and the second motor driving voltage by alternately operating the first and second switch sections to repeatedly switch between the first voltage output state and the second voltage output state.
    Type: Application
    Filed: July 24, 2007
    Publication date: March 6, 2008
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Yuki KOSAKA, Hiroshi IWANO, Susumu KOMIYAMA, Tomoyuki HANYU, Kazuhiro TAKEDA
  • Patent number: 7311322
    Abstract: A control apparatus for an electrically operated bicycle transmission comprises a power supply sensor and a control unit operatively coupled to the power supply sensor. The power supply sensor senses a power characteristic of a power supply, and the control unit provides a signal to operate the bicycle transmission when the power characteristic falls below a predetermined value. Alternatively, the control apparatus comprises a running condition time sensor and a control unit operatively coupled to the running condition time sensor. The running condition time sensor senses a time interval of a running condition of a bicycle, and the control unit provides a signal to operate the bicycle transmission to a predetermined gear ratio when the time interval of the running condition passes a selected value.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: December 25, 2007
    Assignee: Shimano, Inc.
    Inventors: Satoshi Kitamura, Kazuhiro Takeda
  • Patent number: 7288038
    Abstract: A shift control apparatus is provided for a bicycle that has a front transmission and a rear transmission, wherein each transmission has a plurality of gear steps. The apparatus comprises a travel condition sensing unit and a control unit that operates one of the front transmission and the rear transmission in priority to the other one of the front transmission and the rear transmission based on the travel condition.
    Type: Grant
    Filed: February 20, 2004
    Date of Patent: October 30, 2007
    Assignee: Shimano, Inc.
    Inventors: Kazuhiro Takeda, Tadashi Ichida
  • Publication number: 20070234093
    Abstract: An information processing device includes: a power-off detection unit for detecting a signal relating to a power-off operation of a user; an application program termination unit for terminating a predetermined application program when the power-off operation is performed; and a control unit for passing control, after the termination of the application program, to a state in which normal execution can be started faster than normal power-off, and power consumption is lower than in the normal execution.
    Type: Application
    Filed: March 28, 2007
    Publication date: October 4, 2007
    Applicant: FUJITSU LIMITED
    Inventors: Masatoshi KIMURA, Kazuhiro Takeda, Yasuhiro Mikasa, Hiroyuki Komai
  • Publication number: 20070234079
    Abstract: An information processing device includes: a power-off detection unit for detecting a signal relating to a power-off operation of a user; an application program termination unit for terminating a predetermined application program when the power-off operation is performed; and a control unit for passing control, after the termination of the application program, to a state in which normal execution can be started faster than normal power-off, and power consumption is lower than in the normal execution.
    Type: Application
    Filed: July 28, 2006
    Publication date: October 4, 2007
    Applicant: FUJITSU LIMITED
    Inventors: Masatoshi KIMURA, Kazuhiro Takeda, Yasuhiro Mikasa
  • Patent number: 7247108
    Abstract: An apparatus for determining when to shift a bicycle chain from a first sprocket having a first number of teeth to a second sprocket having a second number of teeth comprises a memory for storing a reference value, and a processor that determines a shift value corresponding to a shift speed for shifting the chain from the first sprocket to the second sprocket by multiplying the reference value by one of the first number of teeth and the second number of teeth and dividing by the other one of the first number of teeth and the second number of teeth.
    Type: Grant
    Filed: May 14, 2002
    Date of Patent: July 24, 2007
    Assignee: Shimano, Inc.
    Inventor: Kazuhiro Takeda
  • Patent number: 7249323
    Abstract: An apparatus has a main display screen and an auxiliary display screen being smaller in size than the main display screen, and a received mail is displayed on a scroll basis on the auxiliary display screen and is outputted in form of a voice reading aloud the received mail in synchronism with the display.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: July 24, 2007
    Assignee: Fujitsu Limited
    Inventors: Masato Ageta, Kazuhiro Takeda, Yoshiko Motoyama, Takashi Suda
  • Patent number: 7207912
    Abstract: A shift control apparatus is provided for a bicycle having a plurality of front sprockets and a plurality of rear sprockets, wherein a front derailleur shifts a chain among the plurality of front sprockets and a rear derailleur shifts the chain among the plurality of rear sprockets. The apparatus comprises a shift unit that provides signals for shifting the front derailleur and the rear derailleur; and a prohibiting unit operatively coupled to the shift unit and providing signals so that the chain is prohibited from engaging at least one of i) a laterally innermost front sprocket in combination with a laterally outermost rear sprocket, and ii) a laterally outermost front sprocket in combination with a laterally innermost rear sprocket.
    Type: Grant
    Filed: February 12, 2004
    Date of Patent: April 24, 2007
    Assignee: Shimano, Inc.
    Inventors: Kazuhiro Takeda, Tadashi Ichida
  • Publication number: 20070068319
    Abstract: A control apparatus for an electrically operated bicycle transmission comprises a power supply sensor and a control unit operatively coupled to the power supply sensor. The power supply sensor senses a power characteristic of a power supply, and the control unit provides a signal to operate the bicycle transmission when the power characteristic falls below a predetermined value. Alternatively, the control apparatus comprises a running condition time sensor and a control unit operatively coupled to the running condition time sensor. The running condition time sensor senses a time interval of a running condition of a bicycle, and the control unit provides a signal to operate the bicycle transmission to a predetermined gear ratio when the time interval of the running condition passes a selected value.
    Type: Application
    Filed: October 31, 2006
    Publication date: March 29, 2007
    Applicant: SHIMANO, INC.
    Inventors: SATOSHI KITAMURA, KAZUHIRO TAKEDA
  • Patent number: 7192169
    Abstract: A bicycle lighting apparatus comprises a computer housing adapted to be mounted to a bicycle, a computer housed within the computer housing, and an integrated lighting device that is controlled by the computer.
    Type: Grant
    Filed: October 6, 2003
    Date of Patent: March 20, 2007
    Assignee: Shimano, Inc.
    Inventor: Kazuhiro Takeda
  • Publication number: 20060287151
    Abstract: A generator for a human powered vehicle comprises a hub shaft structured to be mounted to the human powered vehicle, a hub shell mounted to rotate relative to the hub shaft, a power generating mechanism including a coil and a magnet that rotate relative to each other, and a rotating member structured to rotate relative to the hub shaft, wherein at least one of the coil or the magnet rotate together with the rotating member. A transmission communicates rotation from an input member to an output member corresponding to a plurality of gear ratios, and a switching unit couples the rotating member to the transmission so that the rotating member rotates at a plurality of speeds relative to the hub shell.
    Type: Application
    Filed: May 27, 2006
    Publication date: December 21, 2006
    Applicant: SHIMANO, INC.
    Inventors: KAZUHIRO TAKEDA, SATOSHI KITAMURA, TAKUMI ONOGI