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    • 2. 发明专利
    • Technique for purifying gaseous hydrogen and recovering carbon dioxide
    • 净化气体和回收二氧化碳的技术
    • JP2003313008A
    • 2003-11-06
    • JP2002121849
    • 2002-04-24
    • Kenichi Machida町田 憲一
    • MACHIDA KENICHIITO MASAHIRO
    • C01B3/54C01B32/50H01M8/06C01B31/20
    • Y02E60/50
    • PROBLEM TO BE SOLVED: To provide a technique capable of producing inexpensive and stable high purity gaseous hydrogen by simultaneously removing an acidic gas and carbon dioxide contained in reformed gaseous hydrogen originating from a carbonaceous fuel and capable of achieving a reduced running cost and a prolonged service life of a fuel cell when applied to the cell or the like. SOLUTION: Crude gaseous hydrogen is brought into contact with an aqueous Mg (OH) 2 solution or an MgCO 3 slurry to generate Mg (HCO 3 ) 2 , whereby an acidic gas contained in the gaseous hydrogen is efficiently absorbed and removed. In another place, the Mg (HCO 3 ) 2 is decomposed under warming to precipitate MgCO 3 and to recover CO 2 in high purity. The resulting gaseous hydrogen is used for a fuel cell and the recovered carbon dioxide is industrially utilized. COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供一种能够通过同时除去源自碳质燃料的重整气态氢中所含的酸性气体和二氧化碳,并且能够实现降低的运行成本,并且能够产生廉价和稳定的高纯度气态氢的技术 燃料电池在施加到电池等时的延长的使用寿命。 解决方案:将粗的气态氢与Mg(OH)2水溶液或MgCO 3 SB浆液接触以产生Mg(HCO 3 SB 3) / SB>) 2 ,由此气态氢气中所含的酸性气体被有效地吸收除去。 在另一个地方,在温热下分解Mg(HCO 3 SB 3)SB 2 2以沉淀MgCO 3 SB 3,并回收CO < SB>高纯度。 所得到的气态氢用于燃料电池,回收的二氧化碳在工业上被利用。 版权所有(C)2004,JPO
    • 5. 发明专利
    • FINE COMPOSITE STRUCTURE MAGNETIC SUBSTANCE ABSORBING GHz BAND RADIO WAVE AND RADIO WAVE ABSORBING MATERIAL
    • 精细复合结构磁性物质吸收GHz带无线电波和无线电波吸收材料
    • JP2005005286A
    • 2005-01-06
    • JP2003163587
    • 2003-06-09
    • Kenichi Machida町田 憲一
    • MACHIDA KENICHIITO MASAHIRO
    • H01F1/00H01F1/053H05K9/00
    • PROBLEM TO BE SOLVED: To provide a magnetic substance absorbing electromagnetic wave exhibiting high absorption performance and a wideband specification for a region from several GHz to several tens GHz in order to reduce an electromagnetic interference and health troubles in the frequency band of GHz. SOLUTION: Fine composite structure magnetic substance powder for a GHz band radio wave absorber where fine particles of a magnetic substance principally comprising a metal or an alloy of Fe or Co or a compound of B or N are combined uniformly with fine particles of a rare earth oxide is produced using a melt quenching method. It is then mixed with resin or the like to manufacture a radio wave absorber in the form of a sheet, a board or a cube. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了减少在GHz至几十GHz的区域中显示出高吸收性能和宽带规格的磁性物质,以减少电磁干扰和GHz频带的健康问题 。 解决方案:用于GHz频带无线电波吸收体的精细复合结构磁性体粉末,其主要包含Fe或Co的金属或合金或B或N的化合物的磁性物质的细颗粒与 使用熔融淬火法制造稀土氧化物。 然后将其与树脂等混合以制造片状,板状或立方体形式的无线电波吸收体。 版权所有(C)2005,JPO&NCIPI
    • 6. 发明专利
    • Technique to remove carbon monoxide in hydrogen for fuel cell
    • 在燃料电池氢气中去除一氧化碳的技术
    • JP2003313009A
    • 2003-11-06
    • JP2002122570
    • 2002-04-24
    • Kenichi Machida町田 憲一
    • MACHIDA KENICHIITO MASAHIRO
    • C01B3/58H01M8/06
    • Y02E60/50
    • PROBLEM TO BE SOLVED: To provide a technique to efficiently remove carbon monoxide contained in hydrogen to purify into low cost stable high purity hydrogen by utilizing the formation of a carbonyl compound with metal or alloy nanocluster in a reformed gaseous hydrogen originating from a carbonaceous fuel and the running cost is reduced and the life of a cell is prolonged in the application for a fuel cell or the like. SOLUTION: Crude gaseous hydrogen prepared by reforming the carbonaceous fuel is brought into contact with the cluster of the metal or the alloy composed of a transition metal to produce the metal or alloy carbonyl compound by the reaction with carbon monoxide contained in the crude gaseous hydrogen. As a result, carbon monoxide in the gas is efficiently absorbed and removed. The resultant gaseous hydrogen is used for the fuel cell to attain the high output and the prolonged life of the cell. COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供一种技术,通过利用在金属或合金纳米团簇中形成羰基化合物的方式提供一种有效去除氢中所含的一氧化碳,从而净化成低成本稳定的高纯度氢气, 碳燃料和运行成本降低,并且在燃料电池等的应用中电池的寿命延长。 解决方案:通过重整含碳燃料制备的粗制气态氢与金属簇或由过渡金属组成的合金接触,以通过与粗产物中所含的一氧化碳反应产生金属或合金羰基化合物 气态氢气。 结果,气体中的一氧化碳被有效地吸收和去除。 所得的气态氢用于燃料电池以获得高输出和电池的使用寿命。 版权所有(C)2004,JPO
    • 8. 发明专利
    • Heat-resisting rare earth magnet and its manufacturing method
    • 耐热稀土磁铁及其制造方法
    • JP2005175138A
    • 2005-06-30
    • JP2003411880
    • 2003-12-10
    • Japan Science & Technology AgencyKenichi Machida独立行政法人科学技術振興機構憲一 町田
    • SUZUKI TOSHIHARUMACHIDA KENICHI
    • B22F3/24C21D6/00C22C38/00H01F1/053H01F41/02
    • H01F1/0577H01F41/0293
    • PROBLEM TO BE SOLVED: To provide a heat-resisting rare earth magnet capable of holding high coercive force and remanent flux density, and suppressing heat generation due to eddy currents even when the content of rare earth elements such as rare Dy is reduced. SOLUTION: In an Nd-Fe-B group rare earth magnet, an M (M is Tb/Dy) element is dispersed to ≥0.3μm depth from a surface, the content of the M element is 0.05-5 mass% and oxygen of 0.4-3 mass% is contained. The M element infiltrated into a grain boundary by the diffusion exists as a (Nd, M) O 2 group compound. For instance, M metal, alloy containing the M metal or the hydride or oxide of the M metal is decomposed into atoms, molecules or ions in a pressure reducing tank to form a film on the surface of the Nd-Fe-B group magnet, and simultaneously with or successively to the film formation, the Nd-Fe-B group magnet is heat-treated in an atmosphere including oxygen and the M element and oxygen are diffused and infiltrated from the surface of the magnet into the inside to manufacture the heat-resisting rare earth magnet. Consequently, the heat-resisting rare earth magnet of which the specific resistance is ≥5 μΩ m and the coercive force is ≥2MA/m is obtained. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了提供能够保持高矫顽力和残留磁通密度的耐热稀土磁体,并且即使当诸如稀有Dy的稀土元素的含量降低时也抑制由于涡流引起的热量产生 。 解决方案:在Nd-Fe-B族稀土磁体中,M(M为Tb / Dy)元素从表面分散到≥0.3μm深度,M元素含量为0.05-5质量% 含有0.4〜3质量%的氧。 通过扩散渗入晶界的M元素作为(Nd,M)O 2 基团化合物存在。 例如,M金属,含有M金属的合金或M金属的氢化物或氧化物在减压槽中分解为原子,分子或离子,在Nd-Fe-B族磁体的表面形成膜, 并且与成膜同时或连续地,在包含氧和M元素的气氛中对Nd-Fe-B族磁体进行热处理,并且氧从磁体的表面扩散并渗透到内部以制造热 - 稀土磁体。 因此,获得电阻率为≥5μΩm且矫顽力为≥2MA/ m的耐热稀土类磁体。 版权所有(C)2005,JPO&NCIPI
    • 10. 发明专利
    • Ammonia synthesis catalyst and its production method
    • 氨合成催化剂及其生产方法
    • JP2006231229A
    • 2006-09-07
    • JP2005050824
    • 2005-02-25
    • Honda Motor Co LtdKenichi Machida本田技研工業株式会社憲一 町田
    • IWAMOTO ATSUSHIKAJITA YOSHIOMUROGA SHIGEKIMACHIDA KENICHIITO MASAHIROSAITO MAKOTO
    • B01J23/63B01J37/02B01J37/03B01J37/08C01C1/04
    • Y02P20/52
    • PROBLEM TO BE SOLVED: To provide an ammonia synthesis catalyst having a high activity without any influence on purity of a gas of a raw material even at a low temperature and a low pressure and a method for producing an ammonia synthesis catalyst in which the ammonia synthesis catalyst can inexpensively be produced in a simple way. SOLUTION: The ammonia synthesis catalyst by which ammonia is synthesized from a gas containing hydrogen and nitrogen comprises ruthenium supported on a carrier containing ceria and magnesium. The method for producing an ammonia synthesis catalyst comprises a step for producing an oxide precursor in which the oxide precursor is produced using a cerium compound containing solution and a magnesium compound containing solution, a step for supporting ruthenium in which the ruthenium is supported on the oxide precursor using a solution containing a ruthenium containing compound, and a step of heat treatment in which the oxide precursor is oxidized to form the oxide and substantially at the same time the ruthenium supported is metallized. COPYRIGHT: (C)2006,JPO&NCIPI
    • 待解决的问题:为了提供具有高活性的氨合成催化剂,即使在低温低压下也不影响原料气体的纯度,以及氨合成催化剂的制造方法,其中 氨合成催化剂可以以简单的方式廉价生产。 解决方案:由含有氢和氮的气体合成氨的氨合成催化剂包括负载在含有二氧化铈和镁的载体上的钌。 制造氨合成催化剂的方法包括使用含铈化合物溶液和含镁化合物的溶液来制造氧化物前体的氧化物前体的工序,负载钌载持在氧化物上的钌的工序 使用含有含钌化合物的溶液的前体,以及其中氧化物前体被氧化以形成氧化物并且基本上同时支撑的钌被金属化的热处理步骤。 版权所有(C)2006,JPO&NCIPI