Assignee
OSAKA GAS CO LTD
JP·304 granted patents·40 pending applications·6,416 citations·filing 1972–2024
Top patents by PatentIndex Score
344 records- 0198US5392715AIn-pipe running robot and method of running the robotOSAKA GAS CO LTD·Filed 1993·Granted Feb 28, 1995·168 cites·8 claims
- 0298US5002700APermanently doped polyaniline and method thereofOSAKA GAS CO LTD·Filed 1989·Granted Mar 26, 1991·116 cites·27 claims
- 0397US5388528AVehicle for use in pipesOSAKA GAS CO LTD·Filed 1994·Granted Feb 14, 1995·173 cites·4 claims
- 0497US5302470AFuel cell power generation systemOSAKA GAS CO LTD·Filed 1992·Granted Apr 12, 1994·242 cites·11 claims
- 0597US5284096AVehicle for use in pipesOSAKA GAS CO LTD·Filed 1991·Granted Feb 8, 1994·166 cites·15 claims
- 0696US7642001B2Non-aqueous secondary battery and its control methodOSAKA GAS CO LTD·Filed 2006·Granted Jan 5, 2010·26 cites·15 claims
- 0796US5294504AThree-dimensional microstructure as a substrate for a battery electrodeOSAKA GAS CO LTD·Filed 1992·Granted Mar 15, 1994·147 cites·12 claims
- 0894US6951699B2Non-aqueous secondary battery and its control methodOSAKA GAS CO LTD·Filed 2003·Granted Oct 4, 2005·53 cites·10 claims
- 0994US5432710AEnergy supply system for optimizing energy cost, energy consumption and emission of pollutantsOSAKA GAS CO LTD·Filed 1993·Granted Jul 11, 1995·317 cites·47 claims
- 1094US5430293AGas visualizing apparatus and method for detecting gas leakage from tanks or pipingOSAKA GAS CO LTD·Filed 1994·Granted Jul 4, 1995·177 cites·9 claims
- 1193US4973391AComposite polymers of polyaniline with metal phthalocyanine and polyaniline with organic sulfonic acid and nafionOSAKA GAS CO LTD·Filed 1988·Granted Nov 27, 1990·64 cites·10 claims
- 1292US6835330B2Iron-carbon composite, carbonaceous material comprising said iron-carbon composite and process for preparing the sameOSAKA GAS CO LTD·Filed 2002·Granted Dec 28, 2004·57 cites·22 claims
- 1391US12194723B2Radiative cooling device and cooling methodOSAKA GAS CO LTD·Filed 2021·Granted Jan 14, 2025·3 cites·16 claims
- 1491US5150922AElectrofusion joint and hot water supply header using the sameOSAKA GAS CO LTD·Filed 1990·Granted Sep 29, 1992·72 cites·10 claims
- 1591US4224802AApparatus and process for vaporizing liquefied natural gasOSAKA GAS CO LTD·Filed 1979·Granted Sep 30, 1980·60 cites·24 claims
- 1691US4170115AApparatus and process for vaporizing liquefied natural gasOSAKA GAS CO LTD·Filed 1977·Granted Oct 9, 1979·66 cites·10 claims
- 1790US7781540B2Resin composition and molded articles thereofOSAKA GAS CO LTD·Filed 2005·Granted Aug 24, 2010·14 cites·44 claims
- 1890US5648027APorous carbonaceous material and a method for producing the sameOSAKA GAS CO LTD·Filed 1994·Granted Jul 15, 1997·110 cites·33 claims
- 1990US5403680APhotolithographic and electron beam lithographic fabrication of micron and submicron three-dimensional arrays of electronically conductive polymersOSAKA GAS CO LTD·Filed 1992·Granted Apr 4, 1995·97 cites·20 claims
- 2090US5375889AElectrofusion joint and hot water supply header using the sameOSAKA GAS CO LTD·Filed 1993·Granted Dec 27, 1994·67 cites·2 claims
- 2189US7544634B2Carbon monoxide removing catalystOSAKA GAS CO LTD·Filed 2006·Granted Jun 9, 2009·9 cites·4 claims
- 2289US5181668AApparatus for running a wire through a pipeOSAKA GAS CO LTD·Filed 1990·Granted Jan 26, 1993·110 cites·6 claims
- 2389US4346661AFurnace for treating industrial wastesOSAKA GAS CO LTD·Filed 1980·Granted Aug 31, 1982·49 cites·7 claims
- 2488US5057220AProcess for treating waste waterOSAKA GAS CO LTD·Filed 1990·Granted Oct 15, 1991·78 cites·34 claims
- 2587US6916434B2Iron-carbon composite, carbonaceous material comprising said iron-carbon composite and process for preparing the sameOSAKA GAS CO LTD·Filed 2004·Granted Jul 12, 2005·34 cites·9 claims
- 2687US6905544B2Manufacturing method for a carbon nanomaterial, a manufacturing apparatus for a carbon nanomaterial, and manufacturing facility for a carbon nanomaterialOSAKA GAS CO LTD·Filed 2003·Granted Jun 14, 2005·46 cites·18 claims
- 2787US6684641B2Fluid distributor, burner device, gas turbine engine, and cogeneration systemOSAKA GAS CO LTD·Filed 2000·Granted Feb 3, 2004·27 cites·34 claims
- 2887US5220869AVehicle adapted to freely travel three-dimensionally and up vertical walls by magnetic force and wheel for the vehicleOSAKA GAS CO LTD·Filed 1991·Granted Jun 22, 1993·60 cites·11 claims
- 2987US5187034APermanently doped polyaniline and method thereofOSAKA GAS CO LTD·Filed 1991·Granted Feb 16, 1993·50 cites·8 claims
- 3087US4638975AFluid couplerOSAKA GAS CO LTD·Filed 1984·Granted Jan 27, 1987·96 cites·7 claims
- 3187US2024204228A1Manufacturing Method for Electrochemical Element and Electrochemical ElementOSAKA GAS CO LTD·Filed 2024·Application pending·0 cites
- 3286US12110598B2Manufacturing method for alloy material, alloy material, electrochemical element, electrochemical module, electrochemical device, energy system and solid oxide fuel cellOSAKA GAS CO LTD·Filed 2023·Granted Oct 8, 2024·0 cites·19 claims
- 3386US5376347AUniform inorganic micropheres and production thereofOSAKA GAS CO LTD·Filed 1992·Granted Dec 27, 1994·72 cites·11 claims
- 3486US4674775ACoupling for corrugated conduitOSAKA GAS CO LTD·Filed 1986·Granted Jun 23, 1987·81 cites·3 claims
- 3586US4141828AProcess for treating waste waterOSAKA GAS CO LTD·Filed 1977·Granted Feb 27, 1979·52 cites·13 claims
- 3686US2024274837A1Method for Manufacturing Metal PlateOSAKA GAS CO LTD·Filed 2024·Application pending·0 cites
- 3785US4905008ARadar type underground searching apparatusOSAKA GAS CO LTD·Filed 1987·Granted Feb 27, 1990·78 cites·1 claims
- 3885US4648281ATurbine flowmeterOSAKA GAS CO LTD·Filed 1985·Granted Mar 10, 1987·48 cites·8 claims
- 3984US10823718B2Gas alarm, control device and programOSAKA GAS CO LTD·Filed 2019·Granted Nov 3, 2020·3 cites·14 claims
- 4084US10710019B2Pressure swing adsorption type of gas production deviceOSAKA GAS CO LTD·Filed 2017·Granted Jul 14, 2020·3 cites·8 claims
- 4184US10501319B2Operation method for hydrogen production apparatus, and hydrogen production apparatusOSAKA GAS CO LTD·Filed 2015·Granted Dec 10, 2019·2 cites·5 claims
- 4284US6502866B1One-touch joint for flexible tubeOSAKA GAS CO LTD·Filed 2000·Granted Jan 7, 2003·51 cites·27 claims
- 4384US6042798AMethod of desulfurization of hydrocarbonsOSAKA GAS CO LTD·Filed 1997·Granted Mar 28, 2000·57 cites·16 claims
- 4484US5366253AElectrofusion joint and hot water supply header using the sameOSAKA GAS CO LTD·Filed 1992·Granted Nov 22, 1994·46 cites·10 claims
- 4584US4246773ACombustion property of gas measuring apparatusOSAKA GAS CO LTD·Filed 1979·Granted Jan 27, 1981·49 cites·4 claims
- 4683US4449098AArrangement for detecting the location of an electrically insulative continuous item positioned undergroundOSAKA GAS CO LTD·Filed 1981·Granted May 15, 1984·43 cites·2 claims
- 4783US2024047702A1Substrate with Electrode Layer for Metal-Supported Electrochemical Element, Electrochemical Element, Electrochemical Module, Solid Oxide Fuel Cell and Manufacturing MethodOSAKA GAS CO LTD·Filed 2023·Application pending·0 cites
- 4882US7247592B2Method of activating catalyst for carbon monoxide removalOSAKA GAS CO LTD·Filed 2001·Granted Jul 24, 2007·17 cites·4 claims
- 4982US6432570B1Fuel electrode for solid electrolyte fuel cells and a method of manufacturing the electrodeOSAKA GAS CO LTD·Filed 2000·Granted Aug 13, 2002·15 cites·13 claims
- 5081US5135893ACarbonaceous ceramic composite for use in contact with molten nonferrous metalOSAKA GAS CO LTD·Filed 1989·Granted Aug 4, 1992·39 cites·5 claims
Showing the top 50 of 344 patent records by PatentIndex Score.
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