Assignee: Tokyo Gas Co., Ltd.

Location: Tokyo, JP
No. of patents: 116

Number	Title	Issue Date
7989113	Solid-oxide shaped fuel cell module There is provided a solid oxide fuel cell module comprising a substrate with an internal fuel flow part provided therein, at least a face thereof, in contact with cells, and interconnectors, being an insulator, a plurality of the cells each made of an anode, an elec...	08/02/2011
7838166	Method for fabricating solid oxide fuel cell module A method of manufacturing a solid oxide fuel cell module involves the steps of co-sintering the respective fuel electrodes, and the respective electrolytes, subsequently forming a dense interconnector out of a dense interconnector material, or an interconnector mate...	11/23/2010
7736774	Solid oxide fuel cell system There are provided a solid oxide fuel cell system made up of (a) a solid oxide fuel cell stack, (b) a preliminary reformer for removing hydrocarbons having two or more carbon atoms from a hydrocarbon fuel by converting the hydrocarbons having two or more carbon atom...	06/15/2010
7466236	Device for judging types of liquid in container and control method therefor [Theme] To provide a device or a judging method for judging the type of liquid inside a container that can be applied to containers of various shapes and can be applied to cases where the remaining amounts of liquids in containers differ. [Solution Means] This inven...	12/16/2008
7405667	Apparatus for determining type of liquid in a container and method for controlling the apparatus A technique for quickly determining the type of liquid in a container externally regardless of the material of the container, preferably contactlessly. A halogen heater 102 and an infrared thermopile 103 are disposed outside an electrically conductive ...	07/29/2008
7223492	Laminated structure of flat plate type solid oxide fuel cell A laminated structure of a flat plate type solid oxide fuel cell is made up of an alloy metal separator having a flat plate and a slit plate, wherein the flat plate is brought into contact with the slit plate after the slit plate is brought into contact with an air ...	05/29/2007
7182921	Cylindrical steam reforming unit A cylindrical steam reforming unit contains a plurality of cylindrical bodies consisting of a first cylindrical body, a second cylindrical body and a third cylindrical body of successively increasing diameters disposed in concentric spaced relationship, a radiation ...	02/27/2007
7037472	Single-pipe cylinder-type reformer A single-pipe cylinder-type reformer includes a plurality of circular cylinders standing upright coaxially and forming therebetween a zigzag gas flow path allowing a raw material gas to flow therein, a radiation cylinder coaxially arranged inside the plurality of ci...	05/02/2006
7027357	Acoustic communication device and acoustic signal communication method The present invention provides an acoustic transmitter for sequentially transmitting a plurality of pulse signals by sound. Each of the plurality of pulse signals is a signal of at least one modulated carrier wave, which has a predetermined frequency. The carrier wa...	04/11/2006
7009219	Diamond ultraviolet light-emitting device A small, simple current-injection diamond ultraviolet light-emitting device comprising a high-quality diamond grown by chemical vapor deposition (CVD) method (1), a surface conductive layer (2) provided on the surface of the diamond, and electrodes (	03/07/2006
6895681	Method and instrument for measuring inside diameter of conduit An apparatus for measuring an inner diameter of a pipeline is incorporated into a passage pig for checking passableness through the pipeline or a cleaning pig for cleaning within the pipeline, the passage pig and the cleaning pig including at least one seal cup seal...	05/24/2005
6879385	Nondestructive reading method for isotopic label A nondestructive reading method for an isotopic label, capable of easily and quickly reading information on an isotopic label imparted to an article in advance without destroying the label, and a nondestructive reading-use isotopic label suitably using this method. ...	04/12/2005
6875410	Adsorbent for removing sulfur compounds from fuel gases and removal method An adsorbent for removing sulfur compounds from sulfur compounds-containing fuel gas contains a zeolite ion-exchanged with Ag and has an excellent performance when used to remove sulfur compounds from the fuel gas, irrespective of the moisture concentration in the f...	04/05/2005
6872981	Diamond ultraviolet luminescent element A diamond ultraviolet luminescent element (10) having a current-injection light-emitting diode structure includes a high-quality boron-doped p-type diamond crystal (semiconductor layer) (1) synthesized by the high pressure and high temperature method; ...	03/29/2005
6790474	Fuel electrode of solid oxide fuel cell and process for the production of the same There is disclosed a fuel electrode of solid oxide fuel cells which is made of a cermet composed of yttria-stabilized zirconia containing a transition metal dissolved therein and nickel (Ni) or a cermet composed of yttria-stabilized zirconia containing a transition ...	09/14/2004
6773472	Gas reformer for recovery of hydrogen A ferritic stainless steel sheet containing 16-25 mass % of Cr and Ti and/or Nb at a ratio of (C+N)×8 or more is used as a substrate for formation of a hydrogen-permeating membrane exposed to a high-temperature atmosphere of 600-900° C., while another ferritic sta...	08/10/2004
6705855	Low-NOx burner and combustion method of low-NOx burner Provision of a low-NOx burner allowed to further reduce NOx only by structural design of the burner in comparison with prior art. The low-NOx burner comprises a main nozzle 13 for injecting a premixture formed by mixing fuel and an oxidizer, and a secondary f...	03/16/2004
6505866	Pipe joint Provided is a highly reliable leak-proof pipe joint which is superior in workability, inexpensive and Light, superior in resistance against chlorine and oxygen contained in hot water or vapor, resistive against hydrolysis in hot water, superior in mechani...	01/14/2003
6446503	Flow velocity measuring apparatus and methods using sensors for measuring larger and smaller flow quantities A flowmeter capable of measuring an accurate quantity of flow over a wide range of the quantity of flow. A measurement zone (15) for smaller quantity of flow and a measurement zone (16) for larger quantity of flow are determined inside a flow path (13) of...	09/10/2002
6432373	Method for removing nitrogen oxides from exhaust gas In an apparatus for selectively reduction-removing nitrogen oxides in exhaust gas in presence of catalyst by spraying aqueous solid reducing agent solution into exhaust gas flowing through a duct to mix the reducing agent into exhaust gas, the present inv...	08/13/2002
6433474	Current injection-type diamond ultraviolet light-emitting device A current injection-type diamond ultraviolet light-emitting device is provided that achieves the diamond free exciton recombination radiation by forming electrodes on a high-quality diamond crystal and applying a DC voltage between electrodes to inject ca...	08/13/2002
6241925	Method of lining channels A method of lining a channel can be provided which includes the steps of: installing at a work site a roll having wound thereon a rigid or semirigid plastic pipe shaped initially in the form of an approximately round tube and deformed from the initial for...	06/05/2001
6109305	Double walled pipe, jacking method and pipe end structure of leading pipe There is provided a double walled pipe having an inner pipe and an outer pipe which is movable relative to the inner pipe in a longitudinal direction of the inner pipe. Acting on only the outer pipe with a pipe jacking power makes it possible to bury the ...	08/29/2000
6098455	Thermal type flowmeter A miniaturized, inexpensive flowmeter capable of accurately measuring a flow rate comprises a flow rate detector including a plurality of thermal type flow rate detector elements mounted on a support plate, a power source for applying power to the flow ra...	08/08/2000
6095800	Leak preventive structure for a case of a surface combustion burner Leak preventive structures for cases of flatly installed surface combustion burners, circularly installed cylindrical combustion burners, circularly installed surface combustion burners, circularly installed cylindrical surface combustion burner and a sur...	08/01/2000
6089092	Vibration sensor A single vibration sensor producing multistage outputs corresponding to various vibrational acceleration values is disclosed. This vibration sensor is the type in which vibrational acceleration causes a movable gravitation element to move, and the movemen...	07/18/2000
6065962	Leak preventive structure for a case of a surface combustion burner Leak preventive structures for cases of flatly installed surface combustion burners, circularly installed cylindrical combustion burners, circularly installed surface combustion burners, circularly installed cylindrical surface combustion burner and a sur...	05/23/2000
6060118	CVD method of manufacturing diamond crystal There is provided a diamond crystal in which the (111) oriented plane is of the diamond crystal synthesized on a substrate by a chemical vapor deposition method parallel to a substrate surface, and the area of the (111) oriented plane parallel to the subs...	05/09/2000
6048733	DMS detecting agent, method for preparing the same and DMS detector tube A DMS detecting agent with a permanganate deposited on a support, characterized in that the support is quartz sand, and that the DMS detecting agent is obtained by adding an aqueous solution of silica sol or alumina sol and a permanganate to said quartz s...	04/11/2000
6035550	Method and apparatus for treating bog in a low temperature liquid storage tank A method and apparatus of treating the BOG generated in low temperature liquid storage tanks are described, wherein the BOG is strongly adsorbed to and stored in a porous material by contacting the BOG with the porous material in the presence of a compoun...	03/14/2000
6030206	Leak preventive structure for a case of a surface combustion burner Leak preventive structures for cases of flatly installed surface combustion burners, circularly installed cylindrical combustion burners, circularly installed surface combustion burners, circularly installed cylindrical surface combustion burner and a sur...	02/29/2000
6025211	Hydrogen-terminated diamond MISFET and its manufacturing method On the surface of a hydrogen-terminated diamond 1 formed by terminating a surface 2 of either a homoepitaxial diamond or a heteroepitaxial diamond or a surface-flattened polycrystal diamond are formed a drain-ohmic contact 4 and a source-ohmic contact 3 o...	02/15/2000
6008657	Method for inspecting the elements of piping systems by electromagnetic waves Electromagnetic waves are driven in the pipe to be inspected in the piping system by a transmitting antenna of a transmitter, to be propagated in the pipe; while a receiving antenna of a receiver is moved outside the pipe along the pipe, to receive leakin...	12/28/1999
6008658	Method for inspecting the elements of piping systems by electromagnetic waves Electromagnetic waves are driven in the pipe to be inspected in the piping system by a transmitting antenna of a transmitter, to be propagated in the pipe; while a receiving antenna of a receiver is moved outside the pipe along the pipe, to receive leakin...	12/28/1999
6004073	Double walled pipe, jacking method and pipe end structure of leading pipe There is provided a double walled pipe having an inner pipe and an outer pipe which is movable relative to the inner pipe in a longitudinal direction of the inner pipe. Acting on only the outer pipe with a pipe jacking power makes it possible to bury the ...	12/21/1999
6005396	Method for inspecting the elements of piping systems by electromagnetic waves Electromagnetic waves are driven in the pipe to be inspected in the piping system by a transmitting antenna of a transmitter, to be propagated in the pipe; while a receiving antenna of a receiver is moved outside the pipe along the pipe, to receive leakin...	12/21/1999
5993581	Adhesive composition for bonding a lining tube on to the internal surface of an existing pipe There is provided an adhesive composition for use as an adhesive agent for bonding a flexible lining tube on to the internal surface of an existing old pipe. Such an adhesive composition comprises: a) an epoxy resin; b) a thixotropy agent mainly containin...	11/30/1999
5990690	Method for inspecting the elements of piping systems BT electromagnetic waves Electromagnetic waves are driven in the pipe to be inspected in the piping system by a transmitting antenna of a transmitter, to be propagated in the pipe; while a receiving antenna of a receiver is moved outside the pipe along the pipe, to receive leakin...	11/23/1999
5983948	Method of repairing an existing pipeline including a main pipe and a branch pipe A method of repairing an existing pipeline including a main pipe and a branch pipe, includes the steps of introducing a first lining pig, a first batch of a resin, and some other pigs into the branch pipe and supplying a first batch of a liquid into the b...	11/16/1999
5966016	Method for inspecting the elements of piping systems by electromagnetic waves Electromagnetic waves are driven in the pipe to be inspected in the piping system by a transmitting antenna of a transmitter, to be propagated in the pipe; while a receiving antenna of a receiver is moved outside the pipe along the pipe, to receive leakin...	10/12/1999

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Assignee: Tokyo Gas Co., Ltd.