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    • 62. 发明授权
    • Ultrasonic diagnostic device and ultrasonic image display method
    • 超声波诊断装置和超声波图像显示方法
    • US09131923B2
    • 2015-09-15
    • US13810524
    • 2011-07-28
    • Hideki Yoshikawa
    • Hideki Yoshikawa
    • A61B8/00A61B8/08A61B8/06A61B8/14
    • A61B8/5207A61B8/06A61B8/0891A61B8/14A61B8/461A61B8/463A61B8/465A61B8/481A61B8/5223
    • An ultrasonic diagnostic device and image display method display an inflow time map representing relative differences in blood flow dynamics such as inflow of a contrast agent, including extracting a vessel and constructing a noise-less inflow time map, and, in the comparison of differences in color between the constructed inflow time map and the past inflow time map, unifying the color of regions as a base. A TIC analysis unit calculates a parameter (tα) indicating an inflow starting time of a contrast agent and a difference of brightness ΔI due to the contrast agent using image data in a range designated by an image detection unit. A first pixel selection unit extracts a pixel and removes a non-contrast-enhanced region. An image construction unit constructs an inflow time map colored according to tα, and a second pixel selection unit extracts a vessel using a histogram based on ΔI.
    • 超声波诊断装置和图像显示方法显示表示血流动力学的相对差异的流入时间图,例如造影剂的流入,包括提取血管并构建无噪声流入时间图,并且在比较差异 构建的流入时间图与过去流入时间图之间的颜色,将区域的颜色统一为基础。 TIC分析单元计算指示造影剂的流入开始时间的参数(tα)和由图像检测单元指定的范围内的使用图像数据的造影剂引起的亮度差Dgr; I的差异。 第一像素选择单元提取像素并去除非对比度增强区域。 图像构造单元构造根据tα着色的流入时间图,第二像素选择单元使用基于&Dgr; I的直方图提取容器。
    • 64. 发明申请
    • IMAGE DIAGNOSTIC DEVICE AND IMAGE CORRECTION METHOD
    • 图像诊断装置和图像校正方法
    • US20140193099A1
    • 2014-07-10
    • US14236347
    • 2012-07-24
    • Hideki YoshikawaTakashi Azuma
    • Hideki YoshikawaTakashi Azuma
    • G06T7/00
    • G06T7/003A61B5/055A61B6/032A61B6/461A61B6/469A61B6/481A61B6/486A61B6/5211A61B6/5235A61B6/5241A61B6/5264A61B6/58A61B8/485A61B8/5207A61B8/5215A61B8/5246A61B2576/00G06T7/337G06T2200/24G06T2207/20104G06T2207/30004
    • Provided is an image diagnostic device with which it is possible to correct location misalignment of an image capture subject, and to improve the reliability of the result of the correction, in time series image data. An image diagnostic device is configured of: an input part (13) which receives image data input; a correction unit (14) which computes a correction vector which denotes location misalignment of an image capture subject, and selects image data used with an image correction unit; an image correction part (20) which carries out a correction process on the image data based on the correction vector and creates corrected image data; a control part (21) which controls the correction unit and the image correction part;a memory (22) which stores the corrected image data and measurement data as stored data; an output unit (23) which outputs the stored data externally; a display unit (24) which displays the stored data; and an external input device (30) where an operator makes an input operation
    • 提供了一种图像诊断装置,可以在时间序列图像数据中校正图像拍摄对象的位置未对准,并且提高校正结果的可靠性。 图像诊断装置由以下部分构成:接收图像数据输入的输入部(13) 校正单元(14),其计算表示图像拍摄对象的位置未对准的校正矢量,并选择与图像校正单元一起使用的图像数据; 图像校正部(20),其基于所述校正矢量对所述图像数据进行校正处理,并生成校正后的图像数据; 控制部件(21),其控制校正单元和图像校正部件; 存储校正图像数据和测量数据作为存储数据的存储器(22); 输出单元(23),其从外部输出所存储的数据; 显示单元(24),显示所存储的数据; 以及操作者进行输入操作的外部输入装置(30)
    • 67. 发明授权
    • X-ray convergence element and X-ray irradiation device
    • X射线会聚元件和X射线照射装置
    • US08416921B2
    • 2013-04-09
    • US12280136
    • 2007-02-08
    • Hiromoto NakazawaHideki YoshikawaAurel-Mihai VlaicuKenichi OboriShintaro KomataniSumito Ohzawa
    • Hiromoto NakazawaHideki YoshikawaAurel-Mihai VlaicuKenichi OboriShintaro KomataniSumito Ohzawa
    • G21K1/06
    • G21K1/06G21K2201/064
    • An X-ray convergence element and an X-ray irradiation device including the X-ray convergence element are provided. The X-ray convergence element can extend a working distance from an exit-side opening end thereof to a specimen, and can perform analysis of the specimen with rough surface, a fluorescent X-ray analysis, and a X-ray diffraction analysis, regardless of a size of the specimen. An X-ray blocking member 23 is provided with three supporting members 233 for supporting the X-ray blocking member 23, which extend from an annular member 232 having approximately the same diameter as a diameter of an entrance-side opening end (outer diameter of a capillary 20) toward the center of the X-ray blocking member 23 to fix the annular member 232 to the capillary 20. The annular member 232, the supporting members 233, and the X-ray blocking member 23 are integrally formed of a metal that shields X-rays, such as tantalum, tungsten, or molybdenum. A dimension of the X-ray blocking member 23 in the axial direction (thickness) is set to be sufficient for blocking X-rays.
    • 提供了包括X射线会聚元件的X射线会聚元件和X射线照射装置。 X射线会聚元件可以将其出口侧开口端的工作距离延伸到试样,并且可以进行具有粗糙表面,荧光X射线分析和X射线衍射分析的样品的分析 的样本大小。 X射线阻挡构件23设置有用于支撑X射线阻挡构件23的三个支撑构件233,其从具有与入口侧开口端的直径大致相同直径的环形构件232延伸(外径 毛细管20)朝向X射线阻挡构件23的中心,以将环形构件232固定到毛细管20.环形构件232,支撑构件233和X射线阻挡构件23由金属 屏蔽X射线,如钽,钨或钼。 X射线阻挡构件23的轴向(厚度)的尺寸被设定为足以阻挡X射线。
    • 68. 发明申请
    • ULTRASONIC IMAGING APPARATUS
    • 超声波成像设备
    • US20110075904A1
    • 2011-03-31
    • US12866712
    • 2009-02-17
    • Hideki YoshikawaTakashi Azuma
    • Hideki YoshikawaTakashi Azuma
    • A61B8/00
    • A61B8/06G01S7/52033G01S7/52071G01S7/52074
    • Provided is an ultrasonic imaging apparatus including: a time-gain controller (TGC) that compensates an amplitude fading occurring in the process of propagation inside a living body; a scan converter (SC) that constructs image data; a TIC measurement unit that measures a TIC of each pixel; an evaluation index input unit that inputs an index for evaluating hemodynamics on the basis of a TIC; a mapping parameter estimation unit that estimates a mapping parameter comparable to an evaluation index; a TIC image construction unit that constructs a two-dimensional image on the basis of the mapping parameter; and a pixel detection unit that extracts a region corresponding to a color map from a TIC image, and utilizing a TIC measured with each pixel so as to measure a difference in hemodynamics.
    • 提供一种超声波成像装置,包括:补偿在生物体内传播过程中发生的振幅衰落的时间增益控制器(TGC); 构建图像数据的扫描转换器(SC); TIC测量单元,测量每个像素的TIC; 评估指标输入单元,其输入用于基于TIC评估血液动力学的指标; 映射参数估计单元,其估计与评估指标相当的映射参数; TIC图像构造单元,其基于映射参数构建二维图像; 以及像素检测单元,其从TIC图像提取与颜色映射相对应的区域,并且利用用每个像素测量的TIC来测量血液动力学的差异。
    • 69. 发明申请
    • X-RAY CONVERGENCE ELEMENT AND X-RAY IRRADIATION DEVICE
    • X射线融合元件和X射线辐照器件
    • US20100226477A1
    • 2010-09-09
    • US12280136
    • 2007-02-08
    • Hiromoto NakazawaHideki YoshikawaAurel-Mihai VlaicuKenichi OboriShintaro KomataniSumito Ohzawa
    • Hiromoto NakazawaHideki YoshikawaAurel-Mihai VlaicuKenichi OboriShintaro KomataniSumito Ohzawa
    • G21K5/00G21K1/02
    • G21K1/06G21K2201/064
    • An X-ray convergence element and an X-ray irradiation device including the X-ray convergence element are provided. The X-ray convergence element can extend a working distance from an exit-side opening end thereof to a specimen, and can perform analysis of the specimen with rough surface, a fluorescent X-ray analysis, and a X-ray diffraction analysis, regardless of a size of the specimen. An X-ray blocking member 23 is provided with three supporting members 233 for supporting the X-ray blocking member 23, which extend from an annular member 232 having approximately the same diameter as a diameter of an entrance-side opening end (outer diameter of a capillary 20) toward the center of the X-ray blocking member 23 to fix the annular member 232 to the capillary 20. The annular member 232, the supporting members 233, and the X-ray blocking member 23 are integrally formed of a metal that shields X-rays, such as tantalum, tungsten, or molybdenum. A dimension of the X-ray blocking member 23 in the axial direction (thickness) is set to be sufficient for blocking X-rays.
    • 提供了包括X射线会聚元件的X射线会聚元件和X射线照射装置。 X射线会聚元件可以将其出口侧开口端的工作距离延伸到试样,并且可以进行具有粗糙表面,荧光X射线分析和X射线衍射分析的样品的分析 的样本大小。 X射线阻挡构件23设置有用于支撑X射线阻挡构件23的三个支撑构件233,其从具有与入口侧开口端的直径大致相同直径的环形构件232延伸(外径 毛细管20)朝向X射线阻挡构件23的中心,以将环形构件232固定到毛细管20.环形构件232,支撑构件233和X射线阻挡构件23由金属 屏蔽X射线,如钽,钨或钼。 X射线阻挡构件23的轴向(厚度)的尺寸被设定为足以阻挡X射线。
    • 70. 发明授权
    • Staple type oligonucleotide and drug comprising the same
    • 短链型寡核苷酸和包含其的药物
    • US07595301B2
    • 2009-09-29
    • US10568226
    • 2004-09-29
    • Yasuo KunugizaNaruya TomitaHideo HashimotoHideki YoshikawaRyuichi Morishita
    • Yasuo KunugizaNaruya TomitaHideo HashimotoHideki YoshikawaRyuichi Morishita
    • A61K48/00A61K31/70C07H21/02C07H21/04
    • A61K31/713C12N15/111C12N2310/11C12N2310/14C12N2310/53C12N2320/51
    • Conventional oligonucleotides are opened at both ends and thereby unstable. Their stability against catabolic enzymes is increased by phosphorothioate modification, but such phosphorothioate causes toxicity. The present invention provides oligonucleotides and medicaments in which these problems are improved. That is, it provides staple oligonucleotides and medicaments containing the same as the active ingredient. Specifically, it provides transcription factor inhibitors, antisense oligonucleotides and siRNAs. More specifically, it provides agents for preventing, treating or improving inflammation, autoimmune diseases, central diseases, reperfusion injury in ischaemic diseases, worsened prognosis after organ transplantation or organ surgery, or restenosis after PTCA. Further specifically, it provides agents for preventing, treating or improving arthritis, dermatitis, nephritis, hepatitis, renal failure, cystitis, prostatitis, urethritis, ulcerative colitis, Crohn disease, chronic rheumatoid arthritis, osteoarthritis, atopic dermatitis, contact dermatitis, psoriasis, cutaneous ulcer or decubitus.
    • 常规寡核苷酸在两端开放,从而不稳定。 它们对分解代谢酶的稳定性通过硫代磷酸酯修饰而增加,但是这种硫代磷酸酯会引起毒性。 本发明提供了改善这些问题的寡核苷酸和药物。 也就是说,它提供含有与活性成分相同的主要寡核苷酸和药物。 具体来说,它提供转录因子抑制剂,反义寡核苷酸和siRNA。 更具体地说,它提供用于预防,治疗或改善炎症,自身免疫性疾病,中枢性疾病,缺血性疾病中的再灌注损伤,器官移植或器官手术后的预后恶化或PTCA后的再狭窄的药剂。 更具体地说,它提供预防,治疗或改善关节炎,皮炎,肾炎,肝炎,肾衰竭,膀胱炎,前列腺炎,尿道炎,溃疡性结肠炎,克罗恩病,慢性类风湿性关节炎,骨关节炎,特应性皮炎,接触性皮炎,牛皮癣,皮肤 溃疡或褥疮。