Patents by Inventor Shin Takahashi

Shin Takahashi 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).

  • Publication number: 20110207508
    Abstract: An object of the present invention is to provide a mobile terminal device capable of utilizing a conductive portion further more effectively. A cellular telephone device includes: a key switch, of which electrical state changes depending on an operation on an operation unit; a CPU that is connected to the key switch, and detects an operation on the operation unit based on change in the electrical state of the key switch; a power supply unit that is electrically connected to the key switch; and an RF circuit unit that is connected to the power supply unit, and processes a signal resonated by the key switch.
    Type: Application
    Filed: February 24, 2011
    Publication date: August 25, 2011
    Applicant: KYOCERA Corporation
    Inventors: Shin Takahashi, Tadashi Koyama, Mitsuhiro Nishizono, Takumi Ogata
  • Publication number: 20110195321
    Abstract: The present invention is intended to suppress the increase of contact resistance due to dimensional changes at the time of charge and discharge in a rechargeable metal-air battery, thereby improving battery performance and service life. The rechargeable metal-air battery of the present invention includes a negative electrode for storing and releasing metal ions; a positive electrode using oxygen as an active material; and an electrolyte membrane placed between the negative electrode and the positive electrode, and is characterized in that a flexible dimension-absorbing member is disposed on the negative electrode side, wherein the dimension-absorbing member is an elastic body formed of a substance which changes reversibly.
    Type: Application
    Filed: February 3, 2011
    Publication date: August 11, 2011
    Inventors: Shin TAKAHASHI, Kazuhiro YOSHIDA, Kazushige KOHNO
  • Publication number: 20110183730
    Abstract: A portable wireless device which effectively uses a space in a case while maintaining communication qualities by reducing antenna gain deterioration even when a plurality of antennas of different frequency bands are arranged adjacent to each other. The portable wireless device is provided with patterns for adding a band disturbing element, which is composed of beads and a parallel resonance circuit, to a part where one side of an antenna pattern of a magnetic field antenna is closed to between the main antenna and the magnetic field antenna is more easily generated. The band disturbing element may be composed of ferrite core or the like.
    Type: Application
    Filed: March 28, 2008
    Publication date: July 28, 2011
    Applicant: KYOCERA CORPORATION
    Inventors: Kenji Waku, Kunihiko Watanabe, Shin Takahashi, Tadashi Koyama
  • Patent number: 7972742
    Abstract: It is an object to shorten current path between an anode and a cathode in a tube type SOFC and thereby to decrease resistance. The tube type fuel cell contains a tube type electrolyte placed between an anode and a cathode, wherein an auxiliary electrode is provided over the entire region of a cell reaction region on at least one of the anode and cathode. The current path is shortened and resistance is decreased, because the anode auxiliary electrode or cathode auxiliary electrode is provided over the entire peripheral surface of the anode or cathode, and the current path in the auxiliary electrode has a greatly increased cross-sectional area.
    Type: Grant
    Filed: August 17, 2006
    Date of Patent: July 5, 2011
    Assignee: Hitachi, Ltd.
    Inventors: Hiromi Tokoi, Shin Takahashi, Akira Gunji, Nariyoshi Kobayashi
  • Publication number: 20110130102
    Abstract: The communication device includes: a first body; a second body; a connecting portion that connects the first body and the second body, so as to be capable of switching between a closed state in which the first body and the second body are superimposed with each other, and an opened state in which a degree of mutual superimposition is smaller than that of the closed state; a first conductive portion that is disposed in the first body; a second conductive portion that is disposed in the second body; a signal line that electrically connects the first conductive portion and the second conductive portion via the inside of the connecting portion; a first antenna, which is disposed in at least one of the first body and the second body, and which is electrically connected to the first conductive portion or the second conductive portion; and a second antenna, which is disposed in at least one of the first body and the second body, and which is capacitively coupled with the first conductive portion or the second conduc
    Type: Application
    Filed: May 28, 2009
    Publication date: June 2, 2011
    Applicant: KYOCERA CORPORATION
    Inventors: Mitsuhiro Nishizono, Shin Takahashi
  • Patent number: 7945298
    Abstract: A wireless terminal able to suppress deterioration of antenna characteristics due to opening/closing of the terminal, that is, a wireless terminal comprising a first housing and a second housing having inside them circuit boards on which ground conductive layers are formed, a connection member for connecting ends of the first housing and second housing with each other so that they can be open or closed, a built-in antenna arranged in one housing between the first housing and second housing and at the end on an opposite side to the connection member, and a ground conductive member for electrically connecting ground conductive layers of the circuit boards arranged in the first housing and second housing to each other, constituted so that a portion of the connection member includes a conductive member, and the ground conductive member is brought into contact with the conductive member.
    Type: Grant
    Filed: November 18, 2005
    Date of Patent: May 17, 2011
    Assignee: Kyocera Corporation
    Inventor: Shin Takahashi
  • Patent number: 7927751
    Abstract: The present invention provides a fuel cell power system and a power generating method in which the rise of concentration of water vapor and carbon dioxide in the direction of the anode gas flow is controlled to enhance the electromotive force in the downstream region of the anode gas flow, thereby improving the power generating efficiency. A mixed gas of a hydrocarbon and water vapor and/or carbon dioxide or a reformed version of said mixed gas having an oxygen atom/carbon atom ratio (O/C ratio) of 2 or higher is supplied from a spot upstream in the direction of the anode gas flow while a hydrocarbon or a mixed gas of a hydrocarbon and water vapor and/or carbon dioxide having an O/C ratio of lower than 2 is supplied supplementally from a spot downstream, and the gas supplied supplementally from the downstream side is reformed by making use of water vapor and carbon dioxide generated by the electrochemical reactions upstream of the anode gas flow and is utilized for power generation.
    Type: Grant
    Filed: September 27, 2006
    Date of Patent: April 19, 2011
    Assignee: Hitachi, Ltd.
    Inventors: Akira Gunji, Hiromi Tokoi, Shin Takahashi
  • Publication number: 20100248621
    Abstract: A system and method for a mobile electronic device operable to receive signals having a plurality of frequencies using an antenna comprising a plurality of conductors is disclosed. A first conductor operable to resonant with a first frequency band is coupled to a second conductor operable to resonant with a second frequency band. The second conductor is coupled to a ground, if the first conductor is coupled to a power supply. The second conductor is coupled to the power supply, if the first conductor is coupled to the ground.
    Type: Application
    Filed: March 26, 2010
    Publication date: September 30, 2010
    Applicant: Kyocera Corporation
    Inventor: Shin Takahashi
  • Publication number: 20100093390
    Abstract: The present invention provides a portable wireless device that allows for a reduction in size of a body thereof through effective use of space inside the body by suppressing gain degradation of antennae.
    Type: Application
    Filed: September 28, 2007
    Publication date: April 15, 2010
    Applicant: KYOCERA CORPORATION
    Inventors: Kenji Waku, Tadeshi Koyama, Kunihiko Watanabe, Masato Harikae, Shin Takahashi, Daisuke Togashi, Yoshiaki Hiraoka
  • Patent number: 7603150
    Abstract: A wireless communication terminal able to suppress deterioration of antenna characteristics due to opening/closing of a terminal, that is, wireless communication terminal having, a first housing; a second housing connected so that both housings can be opened and closed with respect to each other; an antenna arranged in one housing of the first housing and second housing; an electric signal/audio converting portion arranged in the other housing of the first housing and second housing; and an audio processing unit for performing audio processing of the electric signal/audio converting portion, wherein the antenna is arranged facing the vicinity of the electric signal/audio converting portion when the first housing and second housing are in the closed state and is arranged away from the electric signal/audio converting portion when the housings are in the opened state, and a matching circuit for matching an impedance of the antenna is arranged between the audio processing unit and the electric signal/audio conve
    Type: Grant
    Filed: October 17, 2005
    Date of Patent: October 13, 2009
    Assignee: Kyocera Corporation
    Inventor: Shin Takahashi
  • Publication number: 20090102425
    Abstract: The vehicle-use power supply management apparatus includes a first function of detecting start of any of electrical loads mounted on a vehicle, a second function of detecting a battery voltage, a third function of determining whether or not load restriction should be performed on the basis of the battery voltage detected by the second function, a fourth function of making a determination of whether or not the detected electrical load can be applied with load restriction, and a fifth function of applying load restriction to the detected electrical load if a determination result of the third function and a determination result of the fourth function are affirmative. The third function is configured to make an affirmative determination if a drop of the battery voltage immediately after the start of the detected electrical load is larger than a predetermined value and the duration of the drop exceeds a predetermined time period.
    Type: Application
    Filed: September 25, 2008
    Publication date: April 23, 2009
    Applicant: DENSO CORPORATION
    Inventor: Shin Takahashi
  • Publication number: 20090104484
    Abstract: The invention provides a solid oxide fuel cell generation system and a start up method thereof which heat up a reformer and a cell main body without any water and nitrogen gas, and start up for a short time until a power generation and without deteriorating a reliability of the cell. In a solid oxide fuel cell generation system having a power generation cell including an anode, a cathode and a solid electrolyte membrane, a mixing portion for obtaining a mixed gas by mixing a used fuel gas discharged from the anode with a raw fuel, a reducing combustion gas generating apparatus, and a reforming portion, the reducing combustion gas generating apparatus has a starting burner generating a reducing combustion gas, and the mixing portion, the reducing combustion gas generating apparatus, the reforming portion and the anode are coupled alphabetically from an upstream side.
    Type: Application
    Filed: October 7, 2008
    Publication date: April 23, 2009
    Inventors: Hidekazu Fujimura, Hiromi Tokoi, Shin Takahashi
  • Publication number: 20080248342
    Abstract: A solid oxide fuel cell power generation apparatus, wherein cathode gas lines used for activation and used for power generation line are separated from each other, wherein a burner used for activation is disposed close to a header above a generator chamber inside a module, and a preheater used for power generation is also disposed at a position further away from the generator chamber (including fuel cells) inside the module than the burner used for activation is.
    Type: Application
    Filed: April 8, 2008
    Publication date: October 9, 2008
    Inventors: Shin Takahashi, Hiromi Tokoi, Akira Gunji
  • Publication number: 20080160364
    Abstract: A heat pipe is installed in a generating chamber of a module being comprised of a solid oxide fuel cell or a bundle of a plurality of solid oxide fuel cells connected in parallel or series. Preferably, the heat pipe is installed across the generating chamber and a combustion chamber for burning residual fuel unused as electrochemical reaction. By installing the heat pipe as described above, the heat transfer between both the chambers are executed smoothly, and thereby it is possible to make heat uniform in the module, in starting state, normal generating state, high power output state or abnormal state of the module.
    Type: Application
    Filed: December 11, 2007
    Publication date: July 3, 2008
    Inventors: Hiromi Tokoi, Kazuo Takahashi, Shin Takahashi, Akira Gunji
  • Publication number: 20080107946
    Abstract: In a fuel cells power generation system provided with a power generation module having a plurality of fuel cells, the structure is made such that a cross sectional area of at least one of a fuel flow path and an air flow path is larger in an inner portion of the power generation module and smaller in an outer portion thereof. Accordingly, gas tends to flow through the inner portion of the power generation module, a gas flow rate is quickened, and it is possible to uniformize a molar flow rate of the fuel and the air supplied to the fuel cell, even in a state in which a temperature distribution of the module is not uniform within the power generation module.
    Type: Application
    Filed: January 26, 2007
    Publication date: May 8, 2008
    Inventors: Akira Gunji, Hiromi Tokoi, Shin Takahashi
  • Publication number: 20080094034
    Abstract: There is provided a battery condition detecting apparatus which comprises: means for detecting a discharging and charging current from the battery; means for detecting whether or not a negative acceleration of charging current changes in its sign from negative to zero during charging of the battery based on a result of detecting the discharge current; means for calculating an integrated charged capacity of the battery by integrating an instantaneous charging current during charging of the battery; means for controlling an alternator mounted in an automotive vehicle so as to control an output electric power generated by the alternator such that a discharging current from the battery is kept to be constant; and means for determining that the charge polarization is cancelled, if the integrated discharged capacity becomes to be equal to the integrated charged capacity.
    Type: Application
    Filed: October 24, 2007
    Publication date: April 24, 2008
    Applicant: DENSO CORPORATION
    Inventors: Shin Takahashi, Tadatoshi Asada
  • Publication number: 20080085432
    Abstract: In a solid oxide fuel cell module (1) incorporating a burner (6) not only in an oxidizer side burner (5) of the module (1) but also in a fuel side, directly heating from both sides by a combustion gas, and starting for a short time, a combustion state of the fuel side burner is kept well, and a short-time start is securely achieved. A cooling piping (17) is provided in a burner main body (61) and a premixing chamber (62) of the fuel side burner (6), and is connected to a heat recovery system (16) so as to supply a cooling medium, thereby cooling the fuel side burner (6). Further, a heat held by the cooling medium is recovered by a heat exchanger (18) connected to an outlet side of the heat recovery system (16). A back fire (an abnormal combustion) of the burner is prevented, the module is uniformly heated, and a secure short-time start is achieved, by cooling the fuel side burner (6) so as to adjust temperature. Further, a combined efficiency of the module is improved by utilizing the recovered surplus heat.
    Type: Application
    Filed: January 25, 2007
    Publication date: April 10, 2008
    Inventors: Akihiko Noie, Nariyoshi Kobayashi, Hiromi Tokoi, Kazuo Takahashi, Tadashi Yoshida, Shin Takahashi, Akira Gunji
  • Publication number: 20080081230
    Abstract: A temperature adjustment member is arranged to control temperature of a reformer independently of temperature of a fuel cell module. The reformer is structured as a three-fluid heat exchanger into which a fluid is introducible whose temperature is higher or lower than exhaust-gas temperature of the fuel cell module. Then, the temperature of the reformer is controlled independently of operation temperature of the fuel cell by introducing the higher-temperature or lower-temperature fluid into the reformer. Also, a high-temperature or low-temperature gas is mixed with the module's exhaust gas, thereby adjusting temperature of the exhaust gas itself. This also controls the temperature of the reformer independently of the operation temperature of the fuel cell.
    Type: Application
    Filed: August 8, 2007
    Publication date: April 3, 2008
    Inventors: SHIN TAKAHASHI, Hiromi Tokoi, Akira Gunji, Toshiya Abe, Takeshi Saito
  • Publication number: 20080063907
    Abstract: A module of solid oxide fuel cells, which is capable of making a temperature distribution of the module uniform, is composed of a plurality of fuel cells which are assembled together, and is adapted to be capable of controlling gas temperatures and/or gas flow rates of gasses fed into a center part and a peripheral part of the module, independent from each other. With this configuration, when the temperature of the center part of the module becomes higher than that of the peripheral part of the module during a temperature rise, the temperature or the flow rate of the gas fed into the center part of the module is controlled so as to restrain the temperature of the center part of the module from being increasing.
    Type: Application
    Filed: January 25, 2007
    Publication date: March 13, 2008
    Inventors: Shin Takahashi, Hiromi Tokoi, Akira Gunji, Tomoya Murota
  • Publication number: 20080014485
    Abstract: The present invention provides a fuel cell power system, in which a combustion exhaust gas having a high temperature and generated by the combustion reaction of unreacted fuel gas and oxidizer gas which are not utilized in a power-generating reaction is introduced into a gas header for distributing the fuel gas or the oxidizer gas to a plurality of fuel cells contained in a fuel cell body, in such a way that a larger amount of heat is transferred to the gas which is to be supplied to the cells disposed in a peripheral area of the fuel cell body by heat exchange, and a smaller amount of the heat is transferred to the gas which is to be supplied to the cells disposed in a central area of the fuel cell body.
    Type: Application
    Filed: June 29, 2007
    Publication date: January 17, 2008
    Inventors: Tadashi Yoshida, Hiromi Tokoi, Kazuo Takahashi, Shin Takahashi, Akihiko Noie, Akira Gunji, Nariyoshi Kobayashi