会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • Powder of a vinylpyrrolidone polymer and a process for production thereof
    • 乙烯基吡咯烷酮聚合物的粉末及其制备方法
    • US07910672B2
    • 2011-03-22
    • US11666883
    • 2005-11-02
    • Kazuhiro OkamuraNorihiro WakaoKeiji WatanabeKeiichi Fujise
    • Kazuhiro OkamuraNorihiro WakaoKeiji WatanabeKeiichi Fujise
    • C08F26/10
    • C08F226/10C08J3/12C08J2339/00C09D139/06C09J139/06
    • The present invention is a powder of a vinylpyrrolidone polymer having a K value of smaller than 50, characterized in that a content of particles having a particle diameter of 106 μm or smaller is 10% by mass or less and a content of particles having a particle diameter of greater than 1,000 μm is 5% by mass or lower. A process for production of a powder of a vinylpyrrolidone polymer according to the present invention is characterized in that a vinylpyrrolidone polymer having a K value of smaller than 50 is formed into a solution having a concentration from 30% to 70% by mass, and the solution is dried by using a hot surface adhesion-type dryer, followed by pulverization so that a content of particles having a particle diameter of 106 μm or smaller is 10% by mass or lower and a content of particles having a particle diameter of greater than 1,000 μm is 5% by mass or lower.Thus, there is provided a powder of a vinylpyrrolidone polymer, which has excellent solubility in spite of having a low K value determined by a Fikentscher method and can be made into solution with favorable handleability without dust rising, and a process for production of the same.
    • 本发明是K值小于50的乙烯基吡咯烷酮聚合物的粉末,其特征在于,粒径为10μm以下的粒子的含量为10质量%以下,具有粒子的粒子的含量 大于1000μm的直径为5质量%以下。 本发明的乙烯基吡咯烷酮聚合物粉末的制造方法的特征在于,将K值小于50的乙烯基吡咯烷酮聚合物形成浓度为30〜70质量%的溶液, 溶液通过使用热表面粘附型干燥器进行干燥,然后粉碎,使得粒径为10μm以下的颗粒的含量为10质量%以下,粒径为 1,000μm为5质量%以下。 因此,提供了一种乙烯基吡咯烷酮聚合物的粉末,尽管具有通过Fikentscher方法测定的低K值而具有优异的溶解性,并且可以制成具有良好可操作性而没有粉尘升高的溶液及其制备方法 。
    • 2. 发明申请
    • Powder of a Vinylpyrrolidone Polymer and a Process for Production Thereof
    • 乙烯基吡咯烷酮聚合物的粉末及其制备方法
    • US20080153988A1
    • 2008-06-26
    • US11666883
    • 2005-11-02
    • Kazuhiro OkamuraNorihiro WakaoKeiji WatanabeKeiichi Fujise
    • Kazuhiro OkamuraNorihiro WakaoKeiji WatanabeKeiichi Fujise
    • C08L25/02
    • C08F226/10C08J3/12C08J2339/00C09D139/06C09J139/06
    • The present invention is a powder of a vinylpyrrolidone polymer having a K value of smaller than 50, characterized in that a content of particles having a particle diameter of 106 μm or smaller is 10% by mass or less and a content of particles having a particle diameter of greater than 1,000 μm is 5% by mass or lower. A process for production of a powder of a vinylpyrrolidone polymer according to the present invention is characterized in that a vinylpyrrolidone polymer having a K value of smaller than 50 is formed into a solution having a concentration from 30% to 70% by mass, and the solution is dried by using a hot surface adhesion-type dryer, followed by pulverization so that a content of particles having a particle diameter of 106 μm or smaller is 10% by mass or lower and a content of particles having a particle diameter of greater than 1,000 μm is 5% by mass or lower.Thus, there is provided a powder of a vinylpyrrolidone polymer, which has excellent solubility in spite of having a low K value determined by a Fikentscher method and can be made into solution with favorable handleability without dust rising, and a process for production of the same.
    • 本发明是K值小于50的乙烯基吡咯烷酮聚合物的粉末,其特征在于粒径为106μm以下的粒子的含量为10质量%以下,粒子的粒子含量为 大于1000μm的直径为5质量%以下。 本发明的乙烯基吡咯烷酮聚合物粉末的制造方法的特征在于,将K值小于50的乙烯基吡咯烷酮聚合物形成浓度为30〜70质量%的溶液, 溶液通过使用热表面粘附型干燥器进行干燥,然后粉碎,使得粒径为106μm以下的粒子的含量为10质量%以下,粒径为 1,000μm为5质量%以下。 因此,提供了一种乙烯基吡咯烷酮聚合物的粉末,尽管具有通过Fikentscher方法测定的低K值而具有优异的溶解性,并且可以制成具有良好可操作性而没有粉尘升高的溶液及其制备方法 。
    • 3. 发明授权
    • Liquid crystal display driver device and liquid crystal display system
    • 液晶显示驱动器和液晶显示系统
    • US08525824B2
    • 2013-09-03
    • US12707710
    • 2010-02-18
    • Kazuhiro OkamuraAkihiko Yoshioka
    • Kazuhiro OkamuraAkihiko Yoshioka
    • G06F3/038G09G5/00
    • G09G3/3688G09G3/2011G09G3/3614G09G2310/027G09G2310/0283G09G2310/0297G09G2310/08G09G2330/025G09G2330/06
    • There is provided a display driver device (liquid crystal driver) causing no degradation in display image quality even when a plurality of signal lines (source lines) of a display panel are divided into a plurality of groups as a countermeasure against EMI. With a liquid crystal display driver device (the liquid crystal driver) for generating image signals to be impressed to respective signal lines of a display panel upon receiving display image data, and outputting the image signals in a lump, corresponding to every one line, according to an output timing signal inputted from outside, output amplifiers, in the last stage of the liquid crystal driver, for outputting the image signals, respectively, are divided into a plurality of groups, and the output amplifiers of respective groups are caused to undergo a periodical change in output sequence while the respective image signals are slightly staggered in output timing by the group.
    • 即使当将显示面板的多条信号线(源极线)分成多组作为EMI的对策时,也提供了不会使显示图像质量下降的显示驱动器件(液晶驱动器)。 利用液晶显示驱动器(液晶驱动器),用于在接收到显示图像数据时产生要向显示面板的各个信号线施加的图像信号,并根据每一行输出图像信号 对于从外部输入的输出定时信号,分别将用于输出图像信号的液晶驱动器的最后级的输出放大器分成多组,并且使各组的输出放大器经历 输出顺序的周期性变化,而各组图像信号在输出定时略微交错。
    • 4. 发明申请
    • METHOD AND DEVICE FOR MEASURING POWDER PROPERTIES
    • 用于测量粉末特性的方法和装置
    • US20090237095A1
    • 2009-09-24
    • US12403702
    • 2009-03-13
    • Mitsuhiro TAKENOKazuhiro Okamura
    • Mitsuhiro TAKENOKazuhiro Okamura
    • G01R27/08
    • G01N27/02
    • An object of the present invention is to provide a method for measuring information relating to the impedance characteristics of a powder with high accuracy. To achieve such an object, the method for measuring powder properties according to the present invention includes a step in which the impedance characteristics of a powder are obtained by an alternating current impedance method, using a function setting a pressure applied to the powder or a density of the powder as a variable. From the obtained impedance characteristics, information relating to at least one of the components can be extracted, the components being a first component that is dependent on the variable, and a second component that is not dependent on the variable.
    • 本发明的目的是提供一种用于高精度地测量与粉末的阻抗特性有关的信息的方法。 为了实现这一目的,根据本发明的粉末特性测量方法包括以下步骤:通过交流阻抗法获得粉末的阻抗特性,使用设定施加于粉末上的压力或密度的功能 的粉末作为变量。 根据获得的阻抗特性,可以提取与至少一个组件相关的信息,该组件是依赖该变量的第一组件,以及不依赖该变量的第二组件。
    • 5. 发明授权
    • Non-aqueous electrolyte secondary battery
    • 非水电解质二次电池
    • US07425385B2
    • 2008-09-16
    • US11331447
    • 2006-01-13
    • Kazuhiro OkamuraKeiko Nagata
    • Kazuhiro OkamuraKeiko Nagata
    • H01M4/02H01M4/66H01M2/00H01M4/00H01M6/10
    • H01M10/4235H01M4/13H01M4/661H01M10/0525H01M10/0587Y02T10/7011
    • A non-aqueous electrolyte secondary battery including: an electrode group in which a positive electrode plate and a negative electrode plate are spirally wound with a separator interposed therebetween; and a non-aqueous electrolyte, wherein the positive electrode plate has at least one exposed portion of the positive electrode current collector, the negative electrode plate has at least one exposed portion of the negative electrode current collector, and a metal that dissolves into the non-aqueous electrolyte when the battery voltage exceeds a predetermined level is provided on a surface of the exposed portion of positive electrode current collector facing the exposed portion of negative electrode current collector. This battery is extremely safe because it prevents overcharge and internal short-circuit at an area where the positive and negative electrode active materials and the non-aqueous electrolyte exist together.
    • 一种非水电解质二次电池,其特征在于,包括:正极板和负极板用间隔开的螺旋状卷绕的电极组; 和非水电解质,其中,所述正极板具有所述正极集电体的至少一个露出部分,所述负极板具有所述负极集电体的至少一个露出部分和溶解于所述非电解电极的金属, 在与负极集电体的露出部分相对的正极集电体的露出部分的表面上设置电池电压超过预定水平的水电解液。 这种电池是非常安全的,因为它防止了正极和负极活性材料和非水电解质存在于一起的区域的过充电和内部短路。
    • 8. 发明授权
    • Non-aqueous electrolyte secondary battery comprising composite particles
    • 包含复合颗粒的非水电解质二次电池
    • US06605386B1
    • 2003-08-12
    • US09601224
    • 2000-09-18
    • Shinji KasamatsuHiroshi YoshizawaKazuhiro OkamuraHizuru KoshinaHarunari ShimamuraYoshiaki Nitta
    • Shinji KasamatsuHiroshi YoshizawaKazuhiro OkamuraHizuru KoshinaHarunari ShimamuraYoshiaki Nitta
    • H01M462
    • H01M4/38H01M4/04H01M4/13H01M4/364H01M4/366H01M4/386H01M4/387H01M4/485H01M4/58H01M4/5835H01M6/10H01M10/0525H01M10/446H01M2010/4292
    • A non-aqueous electrolyte secondary battery comprises a positive electrode and a negative electrode capable of intercalating and de-intercalating lithium, a non-aqueous electrolyte and separators or solid electrolytes. The negative electrode contains, as a main component, composite particles constructed in such a manner that at least part of the surface of nuclear particles comprising at least one of tin, silicon and zinc as a constituent element, is coated with a solid solution or an inter-metallic compound composed of the element included in the nuclear particles and another predetermined element which is not an element included in the nuclear particles. To improve the ability of the battery, the composite particles mentioned above can include at least one trace element selected from iron, lead and bismuth. The porosity of a mixture layer at the negative electrode is 10% or more and 50% or less. The amount of the non-aqueous electrolyte, the thickness of the separators or the like is restricted in a specific value. The foregoing construction suppresses occurrence of an internal short circuit between the positive electrode and the negative electrode caused by expansion of the negative electrode materials, thereby achieving a high capacity battery with a superior charge/discharge cycle properties, which is suitable for a high-speed charging.
    • 非水电解质二次电池包括能够插入和脱嵌锂的正极和负极,非水电解质和隔膜或固体电解质。 作为主要成分的负极以作为构成要素的锡,硅,锌中的至少一种的核粒子的至少一部分表面的固体溶液或 由包含在核粒子中的元素构成的金属间化合物和不包含在核粒子中的元素的另一规定元素。 为了提高电池的能力,上述复合颗粒可以包括至少一种选自铁,铅和铋的痕量元素。 负极上的混合层的孔隙率为10%以上且50%以下。 非水电解质的量,分离器的厚度等被限制在特定值。 上述结构抑制了由负极材料的膨胀引起的正极和负极之间的内部短路的发生,从而实现了具有优良的充放电循环特性的高容量电池,适用于高速 充电。
    • 9. 发明申请
    • Polyvinylpyrrolidone powder compositions
    • 聚乙烯吡咯烷酮粉末组合物
    • US20080182955A1
    • 2008-07-31
    • US12010505
    • 2008-01-25
    • Kazuhiro Okamura
    • Kazuhiro Okamura
    • C08F126/10
    • C08F126/10
    • A polyvinylpyrrolidone powder composition including polyvinylpyrrolidone with a K value of not lower than 50 and not higher than 120, wherein a content of insoluble substances remaining on a membrane filter having a pore size of 1.2 μm when a 2 wt % aqueous solution of the composition is filtered with the filter is not higher than 70 ppm; a polyvinylpyrrolidone powder composition including polyvinylpyrrolidone with a K value of not lower than 50 and not higher than 120, wherein a K value lowering ratio to be observed when the composition is heated at 80° C. in air for 14 days is not higher than 12%; and a polyvinylpyrrolidone powder composition including polyvinylpyrrolidone with a K value of not lower than 50 and not higher than 120, wherein a content of insoluble substances remaining on a membrane filter having a pore size of 1.2 μm when a 2 wt % aqueous solution of the composition is filtered with the filter is not higher than 70 ppm, and a K value lowering ratio to be observed when the composition is heated at 80° C. in air for 14 days is not higher than 12%.
    • 一种聚乙烯吡咯烷酮粉末组合物,其包含K值不低于50且不高于120的聚乙烯吡咯烷酮,其中当组合物的2重量%水溶液为残留在孔径为1.2μm的膜过滤器上时,不溶物质的含量为 用过滤器过滤不高于70ppm; 包含K值不低于50且不高于120的聚乙烯吡咯烷酮的聚乙烯吡咯烷酮粉末组合物,其中当组合物在空气中加热14天时观察到的K值降低比不高于12 %; 以及聚乙烯吡咯烷酮粉末组合物,其包含K值不低于50且不高于120的聚乙烯吡咯烷酮,其中当组合物的2重量%水溶液时残留在孔径为1.2μm的膜过滤器上的不溶物质的含量 用过滤器过滤不超过70ppm,当组合物在空气中在80℃下加热14天时观察到的K值降低率不高于12%。