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11. 发明授权

US06827922B2 Process for producing titanium oxide 失效
公开(公告)号：US06827922B2
公开(公告)日：2004-12-07
申请号：US09819790
申请日：2001-03-29
申请人： Yoshinari Sawabe , Yoshiaki Sakatani , Hironobu Koike
发明人： Yoshinari Sawabe , Yoshiaki Sakatani , Hironobu Koike
IPC分类号： C01G23047
CPC分类号： B01J21/063 , B01J35/004 , C01G23/053 , C01G23/08
摘要： A process for producing a titanium oxide is provided which comprises (i) a step of calcining a titanium compound in the presence of ammonia gas or (ii) steps of treating a titanium compound with heat in the presence of ammonia gas and calcining the heat-treated titanium compound. The titanium oxide obtained in the present invention exhibits a sufficiently high photocatalytic activity by irradiation of visible light.

12. 发明授权

US06524549B1 Method for producing &agr;-alumina powder 失效
标题翻译：生产α-氧化铝粉末的方法
公开(公告)号：US06524549B1
公开(公告)日：2003-02-25
申请号：US08730217
申请日：1996-10-15
申请人： Masahide Mohri , Norio Matsuda , Shinichiro Tanaka , Yoshio Uchida , Yoshinari Sawabe , Hisashi Watanabe , Hiroshi Ogawa
发明人： Masahide Mohri , Norio Matsuda , Shinichiro Tanaka , Yoshio Uchida , Yoshinari Sawabe , Hisashi Watanabe , Hiroshi Ogawa
IPC分类号： C01F700
CPC分类号： C01F7/30 , C01F7/02 , C01F7/442 , C01P2004/03 , C01P2004/30 , C01P2004/50 , C01P2004/52 , C01P2004/54 , C01P2004/61 , C01P2004/62 , C01P2006/11 , C01P2006/21 , C01P2006/80
摘要： Alpha alumina powder having a regulated particle size, a uniform particle shape and a narrow particle size distribution and further a low halogen content is produced by calcining at least one starting material selected from transition alumina and alumina compounds in a halogen-containing atmosphere which comprises a hydrogen halide gas, a halogen gas or a mixture of a halogen gas and steam and contains at least 0.1% by volume of at least one halogen-containing gas selected from the group consisting of hydrogen halide gas and halogen gas, and removing halogen from a calcined material. The produced alpha-alumina powder is excellent in a packing property and homogeneously packed.
摘要翻译：通过在含卤素气氛中煅烧选自过渡氧化铝和氧化铝化合物的至少一种起始材料，制备具有调节粒径，均匀粒子形状和窄粒度分布以及进一步低卤素含量的α-氧化铝粉末，其包含卤化物气体，卤素气体或卤素气体和蒸汽的混合物，并且含有至少0.1体积％的选自卤化氢气体和卤素气体的至少一种含卤素气体，以及从煅烧材料。生产的α-氧化铝粉末具有优异的包装性能并且均匀包装。

13. 发明授权

US06165437A .alpha.-alumina 失效
标题翻译： α-氧化铝
公开(公告)号：US06165437A
公开(公告)日：2000-12-26
申请号：US805044
申请日：1997-02-24
申请人： Masahide Mohri , Yoshio Uchida , Yoshinari Sawabe , Hisashi Watanabe
发明人： Masahide Mohri , Yoshio Uchida , Yoshinari Sawabe , Hisashi Watanabe
IPC分类号： C01F7/02 , C01F7/44 , C30B25/00
CPC分类号： C01F7/442 , C01F7/02 , C01P2004/03 , C01P2004/30 , C01P2004/40 , C01P2004/42 , C01P2004/52 , C01P2004/54 , C01P2004/60 , C01P2004/61 , C01P2004/62 , C01P2006/80 , C30B25/00 , C30B29/20
摘要： .alpha.-Alumina comprising .alpha.-alumina single crystal particles which are homogeneous containing no crystal seed inside the particles; have an octa- or higher polyhedral shape; have a D/H ratio of from 0.5 to 3.0, wherein D represents a maximum particle diameter parallel to a hexagonal lattice plane of a hexagonal close-packed lattice of the particles, and H represents a diameter perpendicular to the hexagonal lattice plane; have a number average particle diameter of more than 5 .mu.m and not more than 30 .mu.m; have a sodium content of less than 5 ppm in terms of Na.sub.2 O; and have an alumina purity of not less than 99.90% by weight. .alpha.-Alumina in a powder form composed of .alpha.-alumina single crystal particles having a high punity, a fine and uniform composition, a narrow particle size distribution, and an octa- or higher polyhedral shape which are not aggromerates. The .alpha.-alumina of the invention is useful as an abrasive, a raw material for sintered products, a raw material for a encapsulations, a raw material for ceramic filters, etc. and, owing to its high purity, particularly useful as a raw material for single crystals, e.g., yttrium aluminum garnet (YAG), sapphire, ruby, etc. and as a raw material for high purity sintered products.
摘要翻译： α-氧化铝，其包含在颗粒内不含晶种的均匀的α-氧化铝单晶颗粒; 具有八面体或更高的多面体形状; D / H比为0.5〜3.0，其中D表示与六方孔密堆积晶格的六方晶格平面平行的最大粒径，H表示垂直于六方晶格面的直径; 数均粒径超过5μm，不超过30μm; 钠含量按Na2O计小于5ppm; 并且具有不小于99.90重量％的氧化铝纯度。由具有高惩罚性，细小且均匀的组成，窄的粒度分布和不具有聚集性的八面体或更高的多面体形状的α-氧化铝单晶颗粒组成的粉末形式的α-氧化铝。本发明的α-氧化铝可用作研磨剂，烧结产品的原料，封装用原料，陶瓷过滤器用原料等，由于其纯度高，特别用作原料用于单晶，例如钇铝石榴石（YAG），蓝宝石，红宝石等，并作为高纯度烧结产品的原料。

14. 发明申请

US20110024700A1 SINTERED COMPACT AND THERMOELECTRIC CONVERSION MATERIAL 审中-公开
标题翻译：烧结紧凑型和热电转换材料
公开(公告)号：US20110024700A1
公开(公告)日：2011-02-03
申请号：US12936624
申请日：2009-04-10
申请人： Kazuo Sadaoka , Yuichi Hiroyama , Yoshinari Sawabe
发明人： Kazuo Sadaoka , Yuichi Hiroyama , Yoshinari Sawabe
IPC分类号： H01B1/08
CPC分类号： H01L35/22 , C04B35/016 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3224 , C04B2235/3225 , C04B2235/3227 , C04B2235/3229 , C04B2235/3231 , C04B2235/3239 , C04B2235/3251 , C04B2235/3256 , C04B2235/3258 , C04B2235/3279 , C04B2235/3281 , C04B2235/3284 , C04B2235/3286 , C04B2235/3293 , C04B2235/3296 , C04B2235/3298 , C04B2235/768 , C04B2235/77
摘要： Disclosed are a sintered body and a thermoelectric conversion material. The sintered body comprises a manganese-based oxide as a main component, further comprises an oxide A wherein the oxide A represents one or more members selected from among nickel oxides, copper oxide and zinc oxide, and has a relative density of 80% or more and 90% or less.
摘要翻译：公开了烧结体和热电转换材料。该烧结体包含锰系氧化物作为主要成分，还含有氧化物A，其中氧化物A表示选自氧化镍，氧化铜和氧化锌中的一种或多种，相对密度为80％以上和90％以下。

15. 发明申请

US20100263702A1 THERMOELECTRIC CONVERSION ELEMENT, THERMOELECTRIC CONVERSION MODULE USING THE THERMOELECTRIC CONVERSION ELEMENT, AND MANUFACTURING METHOD FOR THE THERMOELECTRIC CONVERSION MODULE 审中-公开
标题翻译：热电转换元件，使用热电转换元件的热电转换模块，以及用于热电转换模块的制造方法
公开(公告)号：US20100263702A1
公开(公告)日：2010-10-21
申请号：US12738349
申请日：2008-10-09
申请人： Yuichi Hiroyama , Kazuo Sadaoka , Yoshinari Sawabe
发明人： Yuichi Hiroyama , Kazuo Sadaoka , Yoshinari Sawabe
IPC分类号： H01L35/30 , H01L35/34 , H01L21/66
CPC分类号： H01L35/32 , H01L35/34
摘要： Provided are a thermoelectric conversion element, a thermoelectric conversion module using the thermoelectric conversion element, and a method for manufacturing the thermoelectric conversion module. The thermoelectric conversion element has a hexahedral shape, of which the two faces opposing each other and the other four faces have different reflectances to light. The thermoelectric conversion module comprises a plurality of p-type thermoelectric conversion elements and a plurality of n-type thermoelectric conversion elements, and a plurality of electrodes connecting the end faces of each pair of the p-type thermoelectric conversion elements and the n-type thermoelectric conversion elements electrically with each other to connect the p-type thermoelectric conversion elements and the n-type thermoelectric conversion elements electrically in series alternately. At least one of the n-type thermoelectric conversion elements and the p-type thermoelectric conversion elements has a hexahedral shape, of which the two faces opposing each other and the other four faces have different reflectances to light, and of which the two faces opposing each other are individually jointed to the electrodes.
摘要翻译：提供了一种热电转换元件，使用该热电转换元件的热电转换模块以及该热电转换模块的制造方法。热电转换元件具有六面体形状，其两个面彼此相对，另外四个面具有不同的光反射。热电转换模块包括多个p型热电转换元件和多个n型热电转换元件，以及连接每对p型热电转换元件的端面和n型热电转换元件的多个电极将热电转换元件彼此电连接以将p型热电转换元件和n型热电转换元件交替地串联连接。 n型热电转换元件和p型热电转换元件中的至少一个具有六面体形状，其两个面彼此相对并且其它四个面具有不同的光反射，并且其两个面相对彼此分别连接到电极。

16. 发明授权

US6159441A .alpha.-alumina powder and process for producing the same 有权
标题翻译： α-氧化铝粉末及其制造方法
公开(公告)号：US6159441A
公开(公告)日：2000-12-12
申请号：US286255
申请日：1999-04-06
申请人： Masahide Mohri , Yoshio Uchida , Yoshinari Sawabe , Hisashi Watanabe
发明人： Masahide Mohri , Yoshio Uchida , Yoshinari Sawabe , Hisashi Watanabe
IPC分类号： C01F7/02 , C01F7/32 , C01F7/44 , C30B1/00
CPC分类号： C01F7/32 , C01F7/442 , C01P2004/03 , C01P2004/04 , C01P2004/30 , C01P2004/32 , C01P2004/40 , C01P2004/42 , C01P2004/52 , C01P2004/54 , C01P2004/61 , C01P2004/62 , C01P2006/11 , C01P2006/21
摘要： A process for producing .alpha.-alumina powder comprising the step of calcining at least one of transition alumina and a transition alumina precursor capable of becoming transition alumina on heating, in a gas atmosphere containing (1) a hydrogen halide, (2) a component prepared from a halogen and steam or (3) a halogen, in the presence of at least one of a seed crystal and a shape-controlling agent. The .alpha.-alumina powder is particularly useful as a raw material for abrasives, fillers, sinters or spacers which comprises .alpha.-alumina particles having a substantially octahedral or eicosahedral shape, a specific structure, and a narrow primary particle size distribution.
摘要翻译：一种制备α-氧化铝粉末的方法，包括在含有（1）卤化氢的气体气氛中煅烧过渡氧化铝和能够变为过渡氧化铝的过渡氧化铝前体中的至少一种的步骤，（2）制备的组分在卤素和蒸汽中，或（3）卤素，在晶种和形状控制剂中的至少一种的存在下进行。 α-氧化铝粉末特别可用作研磨剂，填料，烧结体或间隔物的原料，其包含具有基本上八面体或二十八面体形状的α-氧化铝颗粒，特定结构和窄的一次粒度分布。

17. 发明授权

US5935550A .alpha.-alumina powder and process for producing the same 失效
公开(公告)号：US5935550A
公开(公告)日：1999-08-10
申请号：US606679
申请日：1996-02-26
申请人： Masahide Mohri , Yoshio Uchida , Yoshinari Sawabe , Hisashi Watanabe
发明人： Masahide Mohri , Yoshio Uchida , Yoshinari Sawabe , Hisashi Watanabe
IPC分类号： C01F7/02 , C01F7/32 , C01F7/44 , C30B1/00
CPC分类号： C01F7/32 , C01F7/442 , C01P2004/03 , C01P2004/04 , C01P2004/30 , C01P2004/32 , C01P2004/40 , C01P2004/42 , C01P2004/52 , C01P2004/54 , C01P2004/61 , C01P2004/62 , C01P2006/11 , C01P2006/21
摘要： A process for producing .alpha.-alumina powder comprising the step of calcining at least one of transition alumina and a transition alumina precursor capable of becoming transition alumina on heating, in a gas atmosphere containing (1) a hydrogen halide, (2) a component prepared from a halogen and steam or (3) a halogen, in the presence of at least one of a seed crystal and a shape-controlling agent. The .alpha.-alumina powder is particularly useful as a raw material for abrasives, fillers, sinters or spacers which comprises .alpha.-alumina particles having a substantially octahedral or eicosahedral shape, a specific structure, and a narrow primary particle size distribution.

18. 发明授权

US5538709A Process for producing alpha-alumina powder 失效
标题翻译：生产α-氧化铝粉末的方法
公开(公告)号：US5538709A
公开(公告)日：1996-07-23
申请号：US268013
申请日：1994-06-29
申请人： Masahide Mohri , Yoshio Uchida , Yoshinari Sawabe
发明人： Masahide Mohri , Yoshio Uchida , Yoshinari Sawabe
IPC分类号： C01F7/30 , C01F7/44 , C01F7/02
CPC分类号： C01F7/442 , C01F7/30 , C01P2004/03 , C01P2004/20 , C01P2004/40 , C01P2004/41 , C01P2004/52 , C01P2004/54 , C01P2004/61
摘要： A process for producing .alpha.-alumina powder comprising .alpha.-alumina single crystal particles, the process comprising the step of calcining at least one of transition alumina and a transition alumina precursor capable of becoming transition alumina on heating, in a gas atmosphere containing (1) at least about 5% by volume, based on the total gas atmosphere, of a halogen selected from fluorine, chlorine, bromine, and iodine, (2) at least about 1% by volume, based on the total gas atmosphere, of a hydrogen halide selected from hydrogen fluoride, hydrogen bromide, and hydrogen iodide, or (3) a component prepared from at least about 1% by volume, based on the total gas atmosphere, of a halogen gas selected from fluorine gas, bromine gas, and iodine gas, and at least about 0.1% by volume, based on the total gas atmosphere, of steam.
摘要翻译：一种制备包括α-氧化铝单晶颗粒的α-氧化铝粉末的方法，该方法包括在含有（1）的气体气氛中煅烧在加热时能够变成过渡氧化铝的过渡氧化铝和过渡氧化铝前体中的至少一种的步骤，至少约5体积％，基于总气体气氛，选自氟，氯，溴和碘的卤素，（2）至少约1体积％，基于总气体气氛，氢选自氟化氢，溴化氢和碘化氢的卤化物，或（3）从总气体气氛中至少约1体积％制备的选自氟气，溴气和碘的卤素气体的组分气体，至少约0.1体积％，基于总气体气体的蒸汽。

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