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    • 1. 发明授权
    • Reference electrode
    • 参考电极
    • US5334305A
    • 1994-08-02
    • US911584
    • 1992-07-10
    • Kohji OkadaMinato AndoJun-ichi TokumotoTakashi Katoh
    • Kohji OkadaMinato AndoJun-ichi TokumotoTakashi Katoh
    • G01N27/30
    • G01N27/301
    • An internal liquid for a reference electrode containing lithium chloride (LiCl) and ammonium nitrate (NH.sub.4 NO.sub.3) in a dissolved state at a ratio [NH.sub.4 NO.sub.3 ]/[LiCl].gtoreq. 4. Internal liquid also contains AgCl to saturation for use with an Ag--AgCl internal electrode, and is in a gellated state or impregnated in a highly water-absorbent synthetic resin. It is used in conjunction with a comparison electrode or an internal reference electrode for an ion-selective electrode.Drying up of the internal liquid in the gellated state is minimized so that the function of the internal liquid as a liquid bridge may be displayed for a prolonged period of time. If the ionic concentration of the liquid under examination is changed, liquid potential difference remains substantially unchanged to provide a stable reference electrical potential.
    • 含有氯化锂(LiCl)和硝酸铵(NH 4 NO 3)的参比电极的内部液体以[NH 4 NO 3] / [LiCl] 3 = 4的比例处于溶解状态。内部液体还含有用于Ag的AgCl饱和 -AgCl内部电极,处于胶凝状态或浸渍在高吸水性合成树脂中。 它与比较电极或离子选择电极的内部参比电极结合使用。 使胶凝状态的内部液体的干燥最小化,使得作为液桥的内部液体的功能可以长时间显示。 如果检查液体的离子浓度发生改变,则液体电位差基本保持不变,以提供稳定的参考电位。
    • 2. 发明授权
    • Polyimide composition and process for producing the same
    • 聚酰亚胺组合物及其制备方法
    • US06307002B1
    • 2001-10-23
    • US09436359
    • 1999-11-09
    • Kohji OkadaHitoshi Nojiri
    • Kohji OkadaHitoshi Nojiri
    • C08G7310
    • G03F7/0387C08G73/1025
    • A polyimide represented by the following general formula (1); wherein l, m, and n represent not the order of each repeating unit, but the numbers of each repeating unit existing in the molecule, E1 is a photosensitive group, E2 is a group comprising an alkyl group having 2 to 20 carbon atoms, —A(—E1)—, —A(—E2)—, and B each are a divalent organic group, X and Y each are a tetravalent organic group, X, Y, A, B, E1 and E2 may be identical or different among the repeating units, 1 is an integer of 1 or more, m and n each are an integer of 0 or more. The polyimide and polyimide compositions comprising it has thermoreactivity as well as photoreactivity and photosensitivity.
    • 由以下通式(1)表示的聚酰亚胺:其中l,m和n不是每个重复单元的顺序,而是分子中存在的每个重复单元的数目,E1是光敏基团,E2是基团 包括具有2至20个碳原子的烷基,-A(-E1) - , - A(-E2) - 和B各自为二价有机基团,X和Y各自为四价有机基团,X,Y, A,B,E1和E2可以在重复单元中相同或不同,1为1以上的整数,m和n各自为0以上的整数。 包含它的聚酰亚胺和聚酰亚胺组合物具有热反应性以及光反应性和光敏性。
    • 5. 发明授权
    • Liquid chromatography
    • 液相色谱
    • US06315901B1
    • 2001-11-13
    • US09527625
    • 2000-03-17
    • Kohji Okada
    • Kohji Okada
    • B01D1508
    • G01N30/34G01N2030/8804
    • A liquid chromatography includes a mobile phase quantity integrator for calculating a quantity of a mobile phase used in the liquid chromatography and sent by a fluid pump after a waste fluid in a drainage reservoir has been emptied, a rinsing fluid quantity integrator for integrating a quantity of a rinsing fluid used in a sample introducing section after the waste fluid in the drainage reservoir has been emptied, and a waste fluid quantity calculation unit for calculating a quantity of the waste fluid stored in the drainage reservoir based on the quantity of the mobile phase calculated by the mobile phase quantity integrator and the quantity of the rinsing fluid calculated by the rinsing fluid quantity integrator. A display unit displays the quantity of the waste fluid calculated by the waste fluid quantity calculation unit.
    • 液相色谱法包括流动相量积分器,用于计算在液相色谱中使用的流动相的量,并且在排水容器中的废液已经排空之后由流体泵发送;漂洗液量积分器,用于将一定量的 在排水容器中的废液被排空之后,在样品导入部中使用的冲洗液,以及废液量计算单元,其根据计算出的流动相的量来计算储存在排水容器中的废液的量 通过流动相量积分器和由冲洗液量积分器计算的冲洗流体的量。 显示单元显示由废液量计算单元计算出的废液的量。
    • 6. 发明授权
    • Process for producing biocompatible implant material
    • 用于生产生物相容性植入材料的方法
    • US06235225B1
    • 2001-05-22
    • US09635500
    • 2000-08-09
    • Kohji OkadaTsunetoshi OkuraJun SugimotoMasahiko Okuyama
    • Kohji OkadaTsunetoshi OkuraJun SugimotoMasahiko Okuyama
    • B22F510
    • C04B38/065A61L27/12A61L27/56A61L2400/18C04B2111/00836C04B35/01C04B38/067C04B41/0018C04B35/447
    • A process for producing a biocompatible implant material which can be suitably shaped into a variety of forms. A binder is added to a mixture of hydroxylapatite powder and calcium phosphate glass frit (5 wt. %), to thereby prepare a slurry, and the resultant slurry is granulated, to prepare spherical raw material granules. Separately, spherical polyisobutyl methacrylate particles are prepared, and the particles are dry-mixed with the above-prepared granules, to thereby obtain a powder mixture. The powder mixture is compacted using a mold press, to thereby form a cuboid sample. The resultant compact is heated in a drier at 170° C. for three hours, to thereby melt spherical polyisobutyl methacrylate particles. Thereafter, the compact is allowed to cool, to thereby bind the raw material granules together via the polyisobutyl methacrylate that solidifies after melting. After the compact is allowed to cool, the compact is subjected to shaping by use of a copy machining machine and also to drilling. Thereafter, the compact is heated at a rate of 300° C. hour, and fired at 1,250° C. for three hours, to thereby produce a biocompatible implant material.
    • 一种生物相容性植入材料的制造方法,其可适当地成形为各种形式。 向羟基磷灰石粉末和磷酸钙玻璃料(5重量%)的混合物中加入粘合剂,制备浆料,将得到的浆料造粒,制备球状原料颗粒。 分别制备甲基丙烯酸球形聚异丁烯酸颗粒,将颗粒与上述制备的颗粒干混,得到粉末混合物。 使用模压机将粉末混合物压实,从而形成长方体样品。 将所得的压块在170℃的干燥器中加热3小时,从而熔化球形的聚异丁烯酸甲酯颗粒。 此后,使压坯冷却,从而通过熔融后固化的聚甲基丙烯酸异丁酯将原料颗粒粘合在一起。 在压实体冷却后,通过使用复印加工机进行成型,并进行钻孔。 此后,以300℃的时间加热压块,并在1250℃下烧制3小时,从而制备生物相容的植入材料。
    • 7. 发明授权
    • Method for producing calcium phosphate coating film
    • 生产磷酸钙涂膜的方法
    • US6153266A
    • 2000-11-28
    • US206265
    • 1998-12-07
    • Yoshiyuki YokogawaTetsuya KameyamaYukari KawamotoKaori NishizawaFukue NagataKohji OkadaHiroshi Sumi
    • Yoshiyuki YokogawaTetsuya KameyamaYukari KawamotoKaori NishizawaFukue NagataKohji OkadaHiroshi Sumi
    • A61L27/00A61K6/033C01B25/32D06M11/71D06M11/72B05D1/38B05D1/18B05D3/02
    • D06M11/71D06M11/72
    • The present invention provides a method for producing a calcium phosphate coating film on the surface of a substrate, even a substrate which has poor heat resistance. The method comprises the steps of soaking a substrate in a first solution containing phosphate ions, inter alia, aqueous solutions of a basic phosphate salt such as Na.sub.3 PO.sub.4 or Na.sub.2 HPO.sub.4 ; removing the substrate and drying it; and soaking the substrate in a second solution (aqueous solution) containing calcium ions, to thereby obtain a coating film comprising hydroxyapatite or a mixture containing hydroxyapatite and a hydroxyapatite precursor. The substrate removed from the second solution may be soaked in a third solution (aqueous solution) containing an apatite component at a substantially saturated or supersaturated concentration, to thereby form a hydroxyapatite coating film. There may be used substrates formed of metals, ceramics, organic polymer materials, etc. The method is applicable to a substrate having poor heat resistance, such as synthetic resin fabric, due to omission of high-temperature treatment.
    • 本发明提供一种在基材表面即使是耐热性差的基材上生产磷酸钙涂膜的方法。 该方法包括以下步骤:将底物浸泡在含有磷酸根离子的第一溶液中,特别是碱性磷酸盐如Na 3 PO 4或Na 2 HPO 4的水溶液; 去除基底并干燥; 并将基材浸渍在含有钙离子的第二溶液(水溶液)中,从而得到包含羟基磷灰石或含羟基磷灰石和羟基磷灰石前体的混合物的涂膜。 从第二溶液中除去的基材可以浸渍在含有基本上饱和或过饱和浓度的磷灰石组分的第三溶液(水溶液)中,从而形成羟基磷灰石涂膜。 可以使用由金属,陶瓷,有机聚合物材料等形成的基材。由于省略了高温处理,该方法可应用于耐热性差的基材如合成树脂织物。
    • 9. 发明授权
    • System controller for analyzer
    • 分析仪系统控制器
    • US06198482B1
    • 2001-03-06
    • US09134871
    • 1998-08-17
    • Kohji Okada
    • Kohji Okada
    • G06F300
    • G01N30/8651G01N30/32G01N30/88G01N2030/8804G05B2219/23109G05B2219/2656Y10S715/97
    • A parameter display part including a single upper-hierarchical parameter screen displaying only a selected parameter and a number of lower-hierarchical parameter screens corresponding to respective units displaying all parameters for the respective units, and providing switchable display capability. When selecting a parameter to be displayed on the upper-hierarchical parameter screen, moving the cursor to the parameter on any of the lower-hierarchical parameter screens and pressing the function key to select a display, the selected parameter is displayed on the upper-hierarchical parameter screen. When the parameter is selected again, the function key is pressed, and the display on the upper-hierarchical parameter screen is canceled.
    • 参数显示部分,包括仅显示所选择的参数的单个上层参数屏幕和对应于显示各个单元的所有参数的各个单元的下层参数屏幕的数量,以及提供可切换的显示能力。 当选择要在上层参数屏幕上显示的参数时,将光标移动到任何下层参数屏幕上的参数,然后按功能键选择显示,所选参数显示在上层 参数画面。 再次选择参数时,按下功能键,取消上层参数画面的显示。