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    • 12. 发明授权
    • Crystal form of pyrrolidylthiocarbapenem derivative
    • 吡咯烷基硫代碳青霉烯衍生物的晶体形式
    • US08247402B2
    • 2012-08-21
    • US12012932
    • 2008-02-05
    • Izumi SaitohMasayuki TakahiraToshio KawakitaYasuyuki Yoshioka
    • Izumi SaitohMasayuki TakahiraToshio KawakitaYasuyuki Yoshioka
    • C07D477/20A61K31/407A61P31/04
    • C07D477/20C07B2200/13
    • Novel crystals of a pyrrolidylthiocarbapenem derivative having excellent stability is provided. According to the present invention, a crystal of (+)-(4R,5S,6S)-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-3[[(3S,5S)-5-(sulfamoylaminomethyl)p yrrolidin-3-yl]thio]-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid having a diffraction pattern in powder X-ray diffraction having main peaks at diffraction angles (2θ) of about 13.04, 14.98, 15.88, 16.62, 20.62, 21.06, 22.18, 23.90, 26.08, 28.22 and 28.98 (degrees) and a crystal of said compound having a diffraction pattern in powder X-ray diffraction having main peaks at diffraction angles (2θ) of about 6.62, 13.04, 15.44, 16.58, 17.64, 20.88, 23.26, 25.02 and 25.52 (degrees) are provided.
    • 提供具有优异稳定性的吡咯烷基硫代碳青霉烯衍生物的新型晶体。 根据本发明,(+) - (4R,5S,6S)-6 - [(1R)-1-羟乙基] -4-甲基-7-氧代-3 [[(3S,5S) 具有衍射图案的5-(氨磺酰氨基甲基)吡咯烷-3-基]硫] -1-氮杂双环[3.2.0]庚-2-烯-2-羧酸,其衍射图在粉末X射线衍射中具有衍射角 2),约13.04,14.98,15.C,16.62,20.62,21.06,22.18,29.90,26.08,28.22和28.98(度),所述化合物的晶体在粉末X射线衍射中具有在衍射峰上具有主峰的衍射图案 提供约6.62,13.04,15.44,16.58,17.64,20.88,23.26,25.02和25.52(度)的角度(2&)。
    • 13. 发明申请
    • SERVO CONTROLLING METHOD, RECORDING/REPRODUCING APPARATUS, MAGNETIC TAPE, AND MAGNETIC TAPE CARTRIDGE
    • 伺服控制方法,记录/再现装置,磁带和磁带盒
    • US20100002338A1
    • 2010-01-07
    • US12558851
    • 2009-09-14
    • Shinji KAWAKAMIToshio Kawakita
    • Shinji KAWAKAMIToshio Kawakita
    • G11B23/02
    • G11B5/584
    • A servo controlling method of the present invention is a servo controlling method for controlling a position of a magnetic head against a magnetic tape that is accommodated in a cartridge and has at least a data track and a servo track, and the method includes the steps of: reading tape variance information from a magnetic tape cartridge (23) side, the magnetic tape cartridge (23) being composed of a cartridge (20) and a magnetic tape (21); reading a servo signal recorded in the servo track by the magnetic head and converting the servo signal into head position information; and controlling the position of the magnetic head according to an off-track value based on the tape variance information and an off-track value calculated from the head position information. With this configuration, even in the case where a recording track width is narrowed and a tape speed is increased, the magnetic head can follow a recording track accurately at a high speed.
    • 本发明的伺服控制方法是一种伺服控制方法,用于控制磁头相对于容纳在盒中的磁带的位置,并且至少具有数据磁道和伺服磁道,并且该方法包括以下步骤: :从磁带盒(23)侧读取磁带方差信息,磁带盒(23)由盒(20)和磁带(21)构成; 通过磁头读取记录在伺服轨道中的伺服信号,并将伺服信号转换为磁头位置信息; 以及根据磁带方差信息和从磁头位置信息计算的偏离磁道值,根据偏离磁道值来控制磁头的位置。 利用这种配置,即使在记录磁道宽度变窄并且磁带速度增加的情况下,磁头可以高速跟踪记录磁道。
    • 16. 发明授权
    • Process for producing a lactam compound graft copolymer of ethylene
copolymer
    • 制备乙烯共聚物的内酰胺化合物接枝共聚物的方法
    • US5290865A
    • 1994-03-01
    • US984236
    • 1992-12-01
    • Tadayuki OhmaeYoshiki ToyoshimaToshio Kawakita
    • Tadayuki OhmaeYoshiki ToyoshimaToshio Kawakita
    • C08F8/30C08L77/00
    • C08F8/30
    • A process for producing a graft copolymer comprising melt-blending:(A) 1 to 90 parts by weight of an ethylene copolymer, based on the weight of the graft copolymer, comprising (a) 40 to 99.9% by weight of ethylene units, (b) 0 to 60% by weight of .alpha.,.beta.-unsaturated carboxylic acid alkyl ester units, and (c) 0.1 to 10% by weight of maleic anhydride units;(B) 0.1 to 10 moles of a lactam metal salt compound per mole of the maleic anhydride units (c) of the ethylene copolymer (A); and(C) 10 to 99 parts by weight of a lactam compound, based on the weight of the graft copolymer,which results in a graft copolymer having high impact strength, high flexibility, satisfactory dyeability, and well-balanced physical properties over a wide temperature range.
    • 一种制备接枝共聚物的方法,包括熔融共混:(A)1-90重量份乙烯共聚物,基于接枝共聚物的重量,包括(a)40-99.9重量%的乙烯单元,( b)0至60重量%的(α),(β-)不饱和羧酸烷基酯单元,和(c)0.1至10重量%的马来酸酐单元; (B)每摩尔乙烯共聚物(A)的马来酸酐单元(c)为0.1〜10摩尔的内酰胺金属盐化合物; 和(C)10至99重量份的内酰胺化合物,基于接枝共聚物的重量,其导致接枝共聚物具有高冲击强度,高柔性,令人满意的可染性和在宽的物理性能上的良好平衡 温度范围。
    • 18. 发明授权
    • Magnetic head assembly and magnetic tape driving apparatus
    • 磁头组件和磁带驱动装置
    • US08035929B2
    • 2011-10-11
    • US12191925
    • 2008-08-14
    • Toshio KawakitaShinji KawakamiSadamu Kuse
    • Toshio KawakitaShinji KawakamiSadamu Kuse
    • G11B5/265
    • G11B5/40G11B5/29G11B5/3106G11B5/3967
    • A magnetic head assembly of the present invention includes a head rail having a plurality of head element portions each including a MR element and sliding portions that come into contact with a magnetic tape, and a protective film on a magnetic tape sliding surface of the head element portions and the sliding portions, wherein the protective film is formed in a portion other than the vicinity of both ends of the head rail in a traveling direction, and an outermost surface of the protective film, on which a magnetic tape is capable of sliding, is formed flat. Thus, a magnetic head assembly used in a magnetic tape apparatus can be provided, in which an output does not decrease due to the abrasion deformation of the head element portions and the increase in spacing by the adhesion of stain.
    • 本发明的磁头组件包括具有多个磁头元件部分的磁头导轨,磁头元件部分各自包括MR元件和与磁带接触的滑动部分,以及在磁头元件的磁带滑动表面上的保护膜 部分和滑动部分,其中保护膜沿行进方向形成在头轨两端附近的部分中,以及保护膜的能够滑动的最外表面, 形成平坦。 因此,可以提供在磁带装置中使用的磁头组件,其中由于头元件部分的磨损变形而导致的输出不会减小,并且由于污渍的附着而增加间隔。
    • 19. 发明授权
    • Servo signal recording apparatus
    • 伺服信号记录装置
    • US07826165B2
    • 2010-11-02
    • US12123747
    • 2008-05-20
    • Shinji KawakamiToshio Kawakita
    • Shinji KawakamiToshio Kawakita
    • G11B5/584
    • G11B5/584
    • A servo signal recording apparatus of the present invention is provided with a tape motion measurement unit 5 that measures the lateral motion of a magnetic tape 3, and outputs tape motion information, a signal processing unit 20 that generates a servo signal that includes the tape motion information output from the tape motion measurement unit 5, and a servo signal recording head 4 that records the servo signal generated by the signal processing unit 20 to the magnetic tape 3. The tape motion measurement unit 5 measures the tape motion prior to the timing at which a servo signal is recorded to the magnetic tape 3 by the servo signal recording head 4, and records a servo signal that includes the tape motion information. This configuration enables a servo signal that can be used to perform tracking servo at high speed and with high accuracy to be written to a magnetic tape.
    • 本发明的伺服信号记录装置设置有测量磁带3的横向运动并输出磁带运动信息的磁带运动测量单元5,产生包括磁带运动的伺服信号的信号处理单元20 从磁带运动测量单元5输出的信息以及将由信号处理单元20生成的伺服信号记录到磁带3的伺服信号记录头4.磁带运动测量单元5测量在磁带运动测量单元5的定时之前的磁带运动 伺服信号由伺服信号记录头4记录在磁带3上,并记录包括磁带运动信息的伺服信号。 该配置使得能够用于以高速和高精度执行跟踪伺服的伺服信号被写入磁带。
    • 20. 发明申请
    • SERVO SIGNAL RECORDING APPARATUS
    • 伺服信号记录装置
    • US20090279197A1
    • 2009-11-12
    • US12123747
    • 2008-05-20
    • Shinji KAWAKAMIToshio Kawakita
    • Shinji KAWAKAMIToshio Kawakita
    • G11B27/36
    • G11B5/584
    • A servo signal recording apparatus of the present invention is provided with a tape motion measurement unit 5 that measures the lateral motion of a magnetic tape 3, and outputs tape motion information, a signal processing unit 20 that generates a servo signal that includes the tape motion information output from the tape motion measurement unit 5, and a servo signal recording head 4 that records the servo signal generated by the signal processing unit 20 to the magnetic tape 3. The tape motion measurement unit 5 measures the tape motion prior to the timing at which a servo signal is recorded to the magnetic tape 3 by the servo signal recording head 4, and records a servo signal that includes the tape motion information. This configuration enables a servo signal that can be used to perform tracking servo at high speed and with high accuracy to be written to a magnetic tape.
    • 本发明的伺服信号记录装置设置有测量磁带3的横向运动并输出磁带运动信息的磁带运动测量单元5,产生包括磁带运动的伺服信号的信号处理单元20 从磁带运动测量单元5输出的信息以及将由信号处理单元20生成的伺服信号记录到磁带3的伺服信号记录头4.磁带运动测量单元5测量在磁带运动测量单元5的定时之前的磁带运动 伺服信号由伺服信号记录头4记录在磁带3上,并记录包括磁带运动信息的伺服信号。 该配置使得能够用于以高速和高精度执行跟踪伺服的伺服信号被写入磁带。