Patents by Inventor Tsuneaki Tamachi

Tsuneaki Tamachi 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: 20110207017
    Abstract: In a fuel cell 200, comprising: a membrane electrode assembly 204 equipped with an electrolyte membrane 201 and an anode catalyst 202; and a supply member 240 for supplying an anode fluid to the membrane electrode assembly 204, the supply member 240 is provided with an anode fluid flow path 241 for supplying the anode fluid toward the membrane electrode assembly 204, and an opening of the anode fluid flow path 241 on a discharge side thereof for the anode fluid is provided in proximity to the membrane electrode assembly 204, with a predetermined space 250 being disposed between the supply member 240 and the membrane electrode assembly 204, the predetermined space 250 being adapted to store a gas pushed away by supply of the anode fluid.
    Type: Application
    Filed: October 19, 2009
    Publication date: August 25, 2011
    Inventors: Toru Ozaki, Noboru Ishisone, Tsuneaki Tamachi, Norimasa Yanase, Takafumi Sarata, Kazutaka Yuzurihara, Fumiharu Iwasaki
  • Publication number: 20110059370
    Abstract: Provided are an electrolytic solution for a nonaqueous electrolyte secondary battery and a nonaqueous electrolyte secondary battery each of which not only has heat resistance enough to resist reflow soldering but also can maintain the discharge capacity of the battery even in a low-temperature environment. The nonaqueous electrolyte secondary battery is provided with an electrolytic solution 50 including a solute and a solvent containing a polyethylene glycol dialkyl ether and an ethylene glycol dialkyl ether, a positive electrode 12, a negative electrode 26, and a separator 30 formed of glass fibers and placed between the positive electrode 12 and the negative electrode 26.
    Type: Application
    Filed: September 3, 2010
    Publication date: March 10, 2011
    Inventors: Takumi SAWAYAMA, Masaaki Naito, Tsuneaki Tamachi, Kensuke Tahara, Shunji Watanabe
  • Patent number: 7901818
    Abstract: Hydrogen generation materials are a complex hydride which generates hydrogen upon hydrolysis, and an aqueous solution comprising water for causing the hydrolysis, and an accelerator dissolved therein for accelerating a hydrogen generation reaction. A method of hydrogen generation by a hydrogen generator comprises a first step S1 of detecting that the internal pressure of a reactor is lower than a reference pressure, and supplying the aqueous accelerator solution to the reactor; a second step S2 of dissolving the complex hydride in the aqueous accelerator solution to cause a hydrogen generation reaction; and a third step S3 of detecting that the internal pressure of the reactor is higher than the reference pressure, and stopping the supply of the aqueous accelerator solution, and repeats the flow from the first step S1 to the third step S3.
    Type: Grant
    Filed: March 24, 2006
    Date of Patent: March 8, 2011
    Assignee: Seiko Instruments Inc.
    Inventors: Takafumi Sarata, Norimasa Yanase, Toru Ozaki, Tsuneaki Tamachi, Kazutaka Yuzurihara, Fumiharu Iwasaki
  • Publication number: 20100261083
    Abstract: A power supply apparatus, which can detect an abnormal voltage drop in a power cell and, if recovery from this voltage drop is made, resume power generation, thereby realizing reasonable and stable power supply, is provided.
    Type: Application
    Filed: May 29, 2008
    Publication date: October 14, 2010
    Inventors: Norimasa Yanase, Noboru Ishisone, Tsuneaki Tamachi, Toru Ozaki, Takafumi Sarata, Kazutaka Yuzurihara, Fumiharu Iwasaki
  • Patent number: 7811691
    Abstract: To provide a small-sized fuel cell system capable of providing a mode having a simple constitution preventing power generation of a fuel cell in an overload state, preventing a deterioration in the fuel cell system and providing a stable output from the fuel cell in the fuel cell system constituting a power source by the fuel cell. Overload states of all of single cells constituting a fuel cell are detected and an output of the fuel cell is controlled such that when the overload state is detected, the output of the fuel cell is cut or a cell in the overload state is recovered to a normal power generating state.
    Type: Grant
    Filed: August 31, 2005
    Date of Patent: October 12, 2010
    Assignee: Seiko Instruments Inc.
    Inventors: Norimasa Yanase, Fumiharu Iwasaki, Kazutaka Yuzurihara, Tsuneaki Tamachi, Takafumi Sarata, Toru Ozaki
  • Publication number: 20100227241
    Abstract: A pressure regulating valve comprises a first pressure deformation part (120) receiving the pressure on the fuel demand side and deformable and a second pressure deformation part (130) so installed as to face the first pressure deformation part (120), receiving a predetermined pressure, and deformable. A first flow passage (140), a second flow passage (150), and a communication passage (160) allowing the first and second flow passages (140, 150) to communicate with each other are formed in the space between the first and second pressure deformation parts (120, 130). The pressure regulating valve further comprises a valve member (170) having a valve element (172) which has a connection part (171) extending through the communication passage (160) and connecting the first pressure deformation part (120) to the second pressure deformation part (130), installed in the connection part (171), and closing the communication passage (160) when moved to the second pressure deformation part (130) side.
    Type: Application
    Filed: February 15, 2007
    Publication date: September 9, 2010
    Applicant: SEIKO INSTRUMENTS INC.
    Inventors: Takafumi Sarata, Norimasa Yanase, Toru Ozaki, Tsuneaki Tamachi, Kazutaka Yuzurihara, Fumiharu Iwasaki, Noboru Ishisone
  • Publication number: 20100183915
    Abstract: Provided is an electric double layer capacitor capable of simply connecting a current collector to an external electrode at a low cost and ensuring a sealing property of a container. The electric double layer capacitor includes: a container in which an opening of a concave portion is sealed; an electrolytic solution and a pair of electrode active materials which are accommodated inside the container; and a pair of conductive films which is respectively and electrically connected to the pair of electrode active materials and is formed from a bottom surface of the concave portion to a surface of the container through an opening edge.
    Type: Application
    Filed: January 20, 2010
    Publication date: July 22, 2010
    Inventors: Tsuneaki Tamachi, Hiroaki Uetake, Shunji Watanabe
  • Publication number: 20100151338
    Abstract: A solution vessel 4 freely changeable in volume is provided inside a reaction chamber 2. As a reactant solution 11 stored in the solution vessel 4 is supplied to a workpiece 3 placed in the reaction chamber 2, the volume of the solution vessel 4 is decreased, and the capacity of the reaction chamber 2 is increased. Thus, a region where hydrogen is generated is increased within a small space.
    Type: Application
    Filed: August 2, 2006
    Publication date: June 17, 2010
    Inventors: Takafumi Sarata, Norimasa Yanase, Toru Ozaki, Tsuneaki Tamachi, Kazutaka Yuzurihara, Fumiharu Iwasaki
  • Publication number: 20100136449
    Abstract: A power supply apparatus comprises a combined power source composed of a plurality of power cells configured electrically independently, a switch for arbitrarily connecting each of the power cells by selectively connecting terminals of the power cells through switching elements, a voltage detector for respectively detecting differences in potentials between the terminals of the power cells, a voltage regulator for stabilizing a voltage supplied to a load, a current detector for detecting a load current supplied to the load, and a controller for controlling ON-OFF states of the switching elements by controlling the switch by a control signal generated based on voltage signals on the voltages detected by the voltage detector, a power consumption of the load, and an output power of the combined power source.
    Type: Application
    Filed: May 29, 2008
    Publication date: June 3, 2010
    Inventors: Norimasa Yanase, Noboru Ishisone, Tsuneaki Tamachi, Toru Ozaki, Takafumi Sarata, Kazutaka Yuzurihara, Fumiharu Iwasaki
  • Publication number: 20100104911
    Abstract: After hydrogen fed from the side part of the bottom plate 13 along the face direction through the fluid supply plate 15 is dispersed in the flow space 14 and is then dispersed in the paths 26 in the block group 25, hydrogen is transferred into the small openings for uniformly feeding hydrogen to each cell unit.
    Type: Application
    Filed: July 3, 2008
    Publication date: April 29, 2010
    Inventors: Toru Ozaki, Fumiharu Iwasaki, Kazutaka Yuzurihara, Takafumi Sarata, Tsuneaki Tamachi, Norimasa Yanase, Noboru Ishisone
  • Publication number: 20100075198
    Abstract: After hydrogen fed from introduction hole 22 is dispersed in a first space 15 as a first buffer part, the hydrogen is further dispersed in a first recess part 28 and a second recess part 30 as a second buffer part, which is then uniformly dispersed in individual paths 26 between block groups 25 to make the volume of hydrogen flowing in the paths 26 uniform, and is then transferred at a sufficient feed pressure into small openings 24 through the second recess part 29 for uniformly feeding hydrogen to each cell unit.
    Type: Application
    Filed: July 3, 2008
    Publication date: March 25, 2010
    Inventors: Toru Ozaki, Takafumi Sarata, Kazutaka Yuzurihara, Fumiharu Iwasaki, Tsuneaki Tamachi, Norimasa Yanase, Noboru Ishisone
  • Publication number: 20100062318
    Abstract: Hydrogen supplied from an introduction port (22) is diffused in a first space (15), which is a first buffer section. Thereafter, it is sent to a first space (15), which is a second buffer section, through a communication port (23), and is radially diffused in the first space (15) so that the flow rate is made uniform. Then, it is sent to small-openings (24) formed on a same circumference (S), so that the hydrogen can be supplied to each of the cell units evenly.
    Type: Application
    Filed: July 3, 2008
    Publication date: March 11, 2010
    Inventors: Toru Ozaki, Fumiharu Iwasaki, Kazutaka Yuzurihara, Takafumi Sarata, Tsuneaki Tamachi, Norimasa Yanase, Noboru Ishisone
  • Publication number: 20100015488
    Abstract: Hydrogen supplied from an introduction port 22 is diffused in a first space 15, a first buffer section, is then further diffused in a first recessed section 30, a second buffer section, and is uniformly dispersed to channels 26 of a block group 25. Thus, the amounts of the hydrogen flowing through the channels 26 are uniformized, and the hydrogen is sent to fine openings 24, and uniformly supplied to each cell.
    Type: Application
    Filed: December 21, 2007
    Publication date: January 21, 2010
    Inventors: Toru Ozaki, Fumiharu Iwasaki, Kazutaka Yuzurihara, Takafumi Sarata, Tsuneaki Tamachi, Norimasa Yanase, Noboru Ishisone
  • Publication number: 20090305095
    Abstract: A hydrogen production apparatus 1 is constructed in which when work 3 is close to a supply hole 7, a strut 22 is pushed to open the supply hole 7, and when erosion of the work 3 progresses to cause the strut 22 to protrude, the supply hole 7 is closed with a seal member 24, so that products do not stay on the work 3, a reaction solution 12 is not fed to portions other than the work 3, and even if the attitude of the apparatus is changed, a hydrogen production reaction can be controlled appropriately.
    Type: Application
    Filed: December 21, 2007
    Publication date: December 10, 2009
    Applicant: BRUCE L.DAMS ESQ.
    Inventors: Takafumi Sarata, Fumiharu Iwasaki, Norimasa Yanase, Kazutaka Yuzurihara, Noboru Ishisone, Toru Ozaki, Tsuneaki Tamachi
  • Publication number: 20090023031
    Abstract: This invention provides a fuel battery comprising a solid polymer electrolyte membrane, an anode-side catalyst body and a cathode-side catalyst body disposed respectively on both sides of the solid polymer electrolyte membrane, and a fuel guide part in which the anode-side catalyst body is disposed opposite to the anode-side catalyst body on the opposite side where the anode-side catalyst body faces the solid polymer electrolyte membrane and which guides a fuel which has been externally supplied toward the center of the face of the anode-side catalyst body.
    Type: Application
    Filed: October 5, 2006
    Publication date: January 22, 2009
    Inventors: Toru Ozaki, Fumiheru Iwasaki, Kazutaka Yuzurihara, Tsuneaki Tamachi, Takafumi Sarata, Norimasa Yanase
  • Publication number: 20080220297
    Abstract: Hydrogen generation materials are a complex hydride which generates hydrogen upon hydrolysis, and an aqueous solution comprising water for causing the hydrolysis, and an accelerator dissolved therein for accelerating a hydrogen generation reaction. A method of hydrogen generation by a hydrogen generator comprises a first step S1 of detecting that the internal pressure of a reactor is lower than a reference pressure, and supplying the aqueous accelerator solution to the reactor; a second step S2 of dissolving the complex hydride in the aqueous accelerator solution to cause a hydrogen generation reaction; and a third step S3 of detecting that the internal pressure of the reactor is higher than the reference pressure, and stopping the supply of the aqueous accelerator solution, and repeats the flow from the first step S1 to the third step S3.
    Type: Application
    Filed: March 24, 2006
    Publication date: September 11, 2008
    Applicant: SEIKO INSTRUMENTS INC.
    Inventors: Takafumi Sarata, Norimasa Yanase, Toru Ozaki, Tsuneaki Tamachi, Kazutaka Yuzurihara, Fumiharu Iwasaki
  • Patent number: 7336053
    Abstract: An electric equipment has a battery and an electric condenser that has an internal resistance lower than that of the battery and accumulates therein an electric power of the battery. A charge control circuit controls a charge current originating from the electric power of the battery and flowing from the battery to the electric condenser. The charge control circuit controls the charge current in accordance with a self-discharge rate of the battery. A load is driven with the electric power accumulated in the electric condenser.
    Type: Grant
    Filed: March 30, 2004
    Date of Patent: February 26, 2008
    Assignee: Seiko Instruments Inc.
    Inventors: Fumiyasu Utsunomiya, Kazuyoshi Furuta, Fumiharu Iwasaki, Tsuneaki Tamachi, Takafumi Sarata, Norimasa Yanase
  • Publication number: 20070264541
    Abstract: In a fuel cell power source system comprising a fuel cell, a fuel supplier for supplying a fuel to the fuel cell, an electricity storing member capable of charging and discharging an energy, and a control circuit for controlling outputs of the fuel cell and the electricity storing member and the fuel supplier for supplying a power to an external load, there are provided a method of operating the fuel cell power source system and a fuel cell system promoting safety of the fuel cell system and reducing a deterioration in the fuel cell by removing the fuel remaining at inside of the fuel cell after stopping the fuel supplier. At an initial stage of supplying the power to the external load and inside of the fuel cell system, the power is supplied from the electricity storing member, and the electricity storing member is charged by using an output outputted from the fuel cell by generating the power by the fuel cell by using the fuel remaining at inside of the fuel cell system after stopping the external load.
    Type: Application
    Filed: January 12, 2006
    Publication date: November 15, 2007
    Applicant: SEIKO INSTRUMENTS INC.
    Inventors: Norimasa Yanase, Fumiharu Iwasaki, Kazutaka Yuzurihara, Tsuneaki Tamachi, Takafumi Sarata, Toru Ozaki
  • Publication number: 20060057447
    Abstract: To provide a small-sized fuel cell system capable of providing a mode having a simple constitution preventing power generation of a fuel cell in an overload state, preventing a deterioration in the fuel cell system and providing a stable output from the fuel cell in the fuel cell system constituting a power source by the fuel cell. Overload states of all of single cells constituting a fuel cell are detected and an output of the fuel cell is controlled such that when the overload state is detected, the output of the fuel cell is cut or a cell in the overload state is recovered to a normal power generating state.
    Type: Application
    Filed: August 31, 2005
    Publication date: March 16, 2006
    Inventors: Norimasa Yamase, Fumiharu Iwasaki, Kazutaka Yuzurihara, Tsuneaki Tamachi, Takafumi Sarata, Toru Ozaki
  • Publication number: 20050244241
    Abstract: Disclosed are a cooling system, a cooling method, and an electronic apparatus which easily allow a reduction in size and which help to achieve an improvement in terms of energy efficiency. The cooling system uses a liquid constituting a fuel of a fuel cell as a cooling medium.
    Type: Application
    Filed: April 19, 2005
    Publication date: November 3, 2005
    Inventors: Joichi Miyazaki, Keishi Honmura, Ko Yamazaki, Fumiharu Iwasaki, Tsuneaki Tamachi, Takafumi Sarata, Norimasa Yanase, Toru Ozaki