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    • 43. 发明授权
    • Electrophotographic photoreceptor, process cartridge, and image forming apparatus
    • 电子照相感光体,处理盒和成像设备
    • US08524428B2
    • 2013-09-03
    • US12875626
    • 2010-09-03
    • Hirofumi Nakamura
    • Hirofumi Nakamura
    • G03G5/06
    • G03G5/0614G03G5/064G03G5/14708G03G5/14786G03G5/14791G03G15/75
    • An electrophotographic photoreceptor includes: a conductive substrate; a photosensitive layer including a charge-generating layer containing a charge-generating material and a charge-transporting layer containing a charge-transporting material, the charge-transporting layer having a hole mobility of about 5.0×10−6 (cm2/V·sec) or less at an electric field of 2 V/cm; and an overcoat layer that is provided on the photosensitive layer and contains a cured material of a charge-transporting material, wherein relational expression (1) Ip(OCL)>Ip(CTL)>Ip(CGL) is satisfied wherein Ip(CGL) represents an ionization potential (eV) of the charge-generating material contained in the charge-generating layer; Ip(CTL) represents an ionization potential (eV) of the charge-transporting material contained in the charge-transporting layer; and Ip(OCL) represents an ionization potential (eV) of the charge-transporting material contained in the overcoat layer.
    • 电子照相感光体包括:导电性基材; 包含含有电荷产生材料的电荷产生层和含有电荷输送材料的电荷输送层的感光层,所述电荷输送层的空穴迁移率为约5.0×10 -6(cm 2 / V·秒) )或更小的电场; 以及设置在感光层上并含有电荷输送材料的固化物的外涂层,其中满足式(1)Ip(OCL)> Ip(CTL)> Ip(CGL)其中Ip(CGL) 表示包含在电荷产生层中的电荷产生材料的电离电位(eV); Ip(CTL)表示包含在电荷输送层中的电荷输送材料的电离电位(eV) 并且Ip(OCL)表示包覆在外涂层中的电荷输送材料的电离电位(eV)。
    • 44. 发明授权
    • Light emitting device
    • 发光装置
    • US08426847B2
    • 2013-04-23
    • US12840483
    • 2010-07-21
    • Hirofumi NakamuraSeong-Hee NohJiro Yamada
    • Hirofumi NakamuraSeong-Hee NohJiro Yamada
    • H01L29/08
    • H01L51/5271H01L51/5215H01L51/5231H01L51/5234H01L51/5262
    • A light emitting device includes: a first electrode, a conductor film, an organic layer having a light emitting layer made of an organic light emitting material provided therein, a semi-transmissive reflective film, a resistive layer, and a second electrode, all of which are laminated successively, wherein the conductor film transmits a part of light from the light emitting layer therethrough, the first electrode reflects the light having been transmitted through the conductor film, the second electrode transmits the light having been transmitted through the semi-transmissive reflective film therethrough, an average film thickness of the conductor film on the first electrode is from 1 nm to 6 nm, and an average film thickness of the semi-transmissive reflective film on the organic layer is from 1 nm to 6 nm.
    • 发光器件包括:第一电极,导体膜,具有设置在其中的由有机发光材料制成的发光层的有机层,半透射反射膜,电阻层和第二电极, 其中所述导体膜透射来自所述发光层的光的一部分,所述第一电极反射已经透过所述导体膜的光,所述第二电极透射通过所述半透射反射器的光 第一电极上的导体膜的平均膜厚为1nm〜6nm,有机层的半透射性反射膜的平均膜厚为1nm〜6nm。
    • 47. 发明授权
    • Image forming apparatus with gear arrangement for resist roller and cover
    • 图像形成装置,具有用于阻挡辊和盖的齿轮布置
    • US07600935B2
    • 2009-10-13
    • US11433463
    • 2006-05-15
    • Eiji KobaShinichiro TsunematsuHirofumi Nakamura
    • Eiji KobaShinichiro TsunematsuHirofumi Nakamura
    • B41J11/00
    • B41J29/02B41J11/006B41J29/38
    • An image forming apparatus has a planetary gear mechanism that transmits driving force from a driving motor to a resist roller when a cover is closed, and that stops transmitting the driving force to the resist roller when the cover is opened. The planetary gear mechanism includes a first gear to which the driving force from the driving motor is transmitted; a second gear that transmits the driving force to the resist roller; a planetary gear provided between the first and second gears; and a third gear that transmits the driving force from the first gear to the second gear via the planetary gear when the ratchet gear is locked by a lever, and that disconnects the transmission of the driving force to the resist roller when the ratchet gear is not locked.
    • 图像形成装置具有行星齿轮机构,其在盖关闭时将驱动力传递到保护辊,并且当打开盖时停止向驱动力传递驱动力。 行星齿轮机构包括:来自驱动电动机的驱动力被传递到的第一齿轮; 将驱动力传递到阻力辊的第二齿轮; 设置在所述第一和第二齿轮之间的行星齿轮; 以及第三齿轮,当棘轮被杠杆锁定时,通过行星齿轮将驱动力从第一齿轮传递到第二齿轮,并且当棘轮不是时,将驱动力传递到阻力辊的第三齿轮 锁定
    • 50. 发明申请
    • PROCESS FOR PRODUCING TRANS-1, 4-CYCLOHEXANEDICARBOXYLIC ACID
    • 生产转-1,4-环己基二羧酸的方法
    • US20080051600A1
    • 2008-02-28
    • US11924161
    • 2007-10-25
    • Koetsu ENDOUHirofumi NakamuraShinichi Tanaka
    • Koetsu ENDOUHirofumi NakamuraShinichi Tanaka
    • C07C61/08
    • C07C51/353C07C51/363C07C2601/14C07C61/09
    • A subject for the invention is to obtain trans-1,4-cyclohexanedicarboxylic acid (t-CHDA) in a high concentration by efficiently isomerizing cis-1,4-cyclohexanedicarboxylic acid (c-CHDA) by a simple method. The invention provides: (1) a process for producing t-CHDA which comprises heating crude CHDA to 180° C. or higher in an inert atmosphere and causing the t-CHDA formed by isomerization to precipitate in the molten c-CHDA while holding the crude CHDA at a temperature in the range of not lower than 180° C. and less than the melting point of t-CHDA; (2) a process for producing t-CHDA, wherein crude CHDA which is powdery or granular is heat-treated at a temperature of not lower than the melting point of c-CHDA and lower than the melting point of t-CHDA to thereby isomerize the cis isomer to the trans isomer while maintaining the powdery or granular state; (3) a process for producing t-CHDA, wherein crude CHDA is held at a temperature of not lower than the melting point of c-CHDA and lower than the melting point of t-CHDA in an inert atmosphere while maintaining flowing to thereby obtain powdery or granular t-CHDA; and (4) a process for purifying crude CHDA in which crude CHDA obtained through the step of hydrogenating TPA or the like is heated in an atmosphere of an inert gas to volatilize and remove impurities.
    • 本发明的目的是通过简单的方法有效地使顺式-1,4-环己烷二羧酸(c-CHDA)异构化,以高浓度获得反式-1,4-环己烷二羧酸(t-CHDA)。 本发明提供:(1)一种生产t-CHDA的方法,其包括在惰性气氛中将粗CHDA加热至180℃或更高,并使通过异构化形成的t-CHDA在熔融的c-CHDA中沉淀,同时保持 原料CHDA在不低于180℃且小于t-CHDA的熔点的温度范围内; (2)生产t-CHDA的方法,其中将粉末状或粒状的粗CHDA在不低于c-CHDA的熔点并低于t-CHDA的熔点的温度下进行热处理,从而异构化 顺式异构体反式异构体,同时保持粉状或颗粒状态; (3)生产t-CHDA的方法,其中将粗CHDA保持在不低于c-CHDA的熔点并低于在惰性气氛中的t-CHDA的熔点的温度,同时保持流动,从而获得 粉状或颗粒状t-CHDA; (4)一种纯化粗制CHDA的方法,其中通过氢化TPA等步骤得到的粗CHDA在惰性气体气氛中加热,挥发除去杂质。