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    • 21. 发明授权
    • Method of preparing an enzyme participating in C-terminal amidation
    • 制备参与C-末端酰胺化的酶的方法
    • US6156555A
    • 2000-12-05
    • US172120
    • 1998-10-14
    • Toshii IidaToshihiko KaminumaYuka FuseMasahiro TajimaMitsuo YanagiHiroshi OkamotoJiro KishimotoOhji IfukuIchiro Kato
    • Toshii IidaToshihiko KaminumaYuka FuseMasahiro TajimaMitsuo YanagiHiroshi OkamotoJiro KishimotoOhji IfukuIchiro Kato
    • C07K1/107C12N9/02C12N15/53C12N15/60C12N9/48C12N9/14C12N9/78C12N9/80C12N15/00
    • C12N9/0071C07K1/107C12Y114/17003Y10S435/814Y10S435/815
    • A purified enzyme-I is obtained that participates in C-terminal amidation by acting on a peptide C-terminal glycine adduct to form a peptide C-terminal .alpha.-hydroxyglycine adduct. The enzyme has an optimum pH of about 5 to 7, an optimum temperature of 25 to 40.degree. C. and a molecular weight of about 25 kDa or about 36 kDa, and metal ions and ascorbic acid act as a cofactor. A purified enzyme-II is obtained that participates in C-terminal amidation by acting on the peptide C-terminal .alpha.-hydroxyglycine adduct to produce a C-terminal amidated compound. The enzyme has an optimum pH of about 5 to 6, an optimum temperature of 15 to 35.degree. C. and a molecular weight of about 40 kDa or about 43 kDa. Enzyme-I does not act on the peptide C-terminal .alpha.-hydroxyglycine adduct and enzyme-II does not act on the peptide C-terminal glycine adduct. The enzymes may be purified from a biological material such as horse serum by affinity chromatography using a peptide C-terminal glycine adduct as a ligand. The enzymes may also be obtained from host cells transformed with a plasmid containing a cDNA coding for the enzymes. Assay of activity of the enzymes is carried out by measuring the C-terminal .alpha.-hydroxyglycine adduct or the C-terminal amidated compound that has been isolated such as by high performance liquid chromatography with the use of an acetonitrile-containing buffer.
    • 获得通过作用于肽C-末端甘氨酸加合物以形成肽C末端α-羟基甘氨酸加合物参与C-末端酰胺化的纯化的酶I. 酶的最佳pH为约5至7,最适温度为25至40℃,分子量为约25kDa或约36kDa,金属离子和抗坏血酸用作辅因子。 获得了通过作用于肽C-末端α-羟基甘氨酸加合物参与C-末端酰胺化产生C末端酰胺化合物的纯化的酶-II。 酶的最佳pH为约5至6,最适温度为15至35℃,分子量为约40kDa或约43kDa。 酶-I不对肽C-端α-羟基甘氨酸加合物起作用,酶-II不对肽C-末端甘氨酸加合物起作用。 可以使用肽C-末端甘氨酸加合物作为配体通过亲和层析从生物材料如马血清中纯化酶。 酶也可以从用含有编码酶的cDNA的质粒转化的宿主细胞获得。 酶的活性测定是通过使用含有乙腈的缓冲液,通过高分辨液相色谱法测定已分离的C末端α-羟基甘氨酸加成物或C末端酰胺化合物进行的。
    • 22. 发明授权
    • Multi-channel communication
    • 多通道通讯
    • US06122295A
    • 2000-09-19
    • US654882
    • 1996-05-29
    • Ichiro KatoToshihiko MyojoRie Suzuki
    • Ichiro KatoToshihiko MyojoRie Suzuki
    • H04B7/005H04J13/00H04J13/02
    • H04W52/343H04W52/346
    • A multiple communicating apparatus has a multiple communicating unit for communicating data through a plurality of channels and a control circuit for controlling the multiple communicating unit in a manner such that the transmission electric power of each channel is inversely proportional to the number of channels which are used by the multiple communicating unit. The control circuit includes a channel control circuit for controlling the number of channels which are used by the multiple communicating unit in accordance with a transmission speed. The multiple communicating unit includes a diffusion circuit for diffusing parallel data by a plurality of diffusion code series. The multiple communicating unit transmits a multiple number for a preamble period of time provided for the reception side to synchronize the plurality of code series which are used for a code division multiple with the transmission side.
    • 多个通信装置具有用于通过多个信道传送数据的多个通信单元和用于控制多个通信单元的控制电路,使得每个信道的传输电功率与所使用的信道数量成反比 由多个通信单元。 控制电路包括用于根据传输速度控制多个通信单元使用的信道数目的信道控制电路。 多个通信单元包括用于通过多个扩散码序列扩散并行数据的扩散电路。 多个通信单元发送针对接收侧提供的前导码周期的多个号码,以将用于码分多路复用的多个码序列与发送侧进行同步。
    • 24. 发明授权
    • Communication apparatus
    • 通讯设备
    • US5199045A
    • 1993-03-30
    • US866271
    • 1992-04-13
    • Ichiro Kato
    • Ichiro Kato
    • H04B1/707
    • H04B1/707
    • A spread communication system comprising a receiver, a diffusion convertor for converting a signal from the receiver, a control signal generator for generating a control signal representing an output level of the diffusion convertor, another diffusion convertor for converting data to be transmitted, a transmitter for transmitting data from the another diffusion convertor and a transmission controller for controlling a transmission level of the transmitter in accordance with the control signal from the control signal generator.
    • 一种扩展通信系统,包括接收机,用于转换来自接收机的信号的扩散转换器,用于产生表示扩散转换器的输出电平的控制信号的控制信号发生器,用于转换要发送的数据的另一个扩散转换器,用于 从另一扩散转换器和传输控制器发送数据,用于根据来自控制信号发生器的控制信号控制发射机的发射电平。
    • 25. 发明授权
    • Spread-spectrum communication system
    • 传播通信系统
    • US5177767A
    • 1993-01-05
    • US664298
    • 1991-03-04
    • Ichiro Kato
    • Ichiro Kato
    • H04J13/00H04B1/7075H04L27/26
    • H04L27/2653H04B1/69H04L27/2637
    • In order to eliminate the need for spread-spectrum code synchronization, a code divided into a suitable number of digits is applied to a transmitter and a receiver. The transmitter multiplies an original signal by each subdivision of the code to produce n-number of new baseband signals. Carrier waves having n-types of frequencies are modulated by these signals and the modulated signals are added to obtain an ultra-wide band signal, which is then transmitted to the receiver. The receiver separates the received signal into the narrow band components which prevailed prior to the adding operation in the transmitter, and then demodulates each component into a baseband signal. Each of these demodulated signals is multiplied by a code the same as that on the transmitting side, whereby n-number of original signals are obtained. Original signals obtained from a signal spread by a code different from that of the receiver are not n in number. Thus, spread-spectrum communication can be realized without requiring spread-spectrum code synchronization.
    • 28. 发明授权
    • Resist polymer and method for producing the polymer
    • 抗蚀聚合物和聚合物的制造方法
    • US08163852B2
    • 2012-04-24
    • US12319492
    • 2009-01-08
    • Takanori YamagishiTomo OikawaIchiro KatoKazuhiko MizunoSatoshi Yamaguchi
    • Takanori YamagishiTomo OikawaIchiro KatoKazuhiko MizunoSatoshi Yamaguchi
    • C08F2/00
    • G03F7/085G03F7/0397
    • Solving problems in the prior art, provided are a resist polymer which is small in lot-to-lot, reactor-to-reactor and scale-to-scale variations, and contains no high polymer, is excellent in solubility and storage stability, and is suitable for fine pattern formation, and a method for production thereof. The present invention provides the resist polymer at least having a repeating unit having a structure which is decomposed by an acid to become soluble in an alkali developer and a repeating unit having a polar group to enhance adhesion to a substrate, characterized in that a peak area of a high molecular weight component (high polymer) with molecular weight of 100,000 or more is 0.1% or less based on an entire peak area in a molecular weight distribution determined, by gel permeation chromatography (GPC).
    • 解决现有技术中的问题,提供了一种抗批聚物,反应堆对反应器和尺度尺度变化小的抗蚀剂聚合物,不含高聚物,溶解性和储存稳定性优异, 适用于精细图案形成及其制造方法。 本发明提供的抗蚀剂聚合物至少具有由酸分解成可溶于碱性显影剂的结构的重复单元和具有极性基团的重复单元以增强与基材的粘附性,其特征在于峰面积 的分子量为100,000以上的高分子量成分(高分子量)为0.1%以下,通过凝胶渗透色谱法(GPC)测定的分子量分布中的全部峰面积。
    • 30. 发明申请
    • COMMUNICATION SYSTEM
    • 通讯系统
    • US20080063216A1
    • 2008-03-13
    • US11848955
    • 2007-08-31
    • Tsuguhide SakataMitsuru YamamotoIchiro KatoYasunori Ohora
    • Tsuguhide SakataMitsuru YamamotoIchiro KatoYasunori Ohora
    • H04B3/00
    • H04L7/041H04N21/4307H04R27/00H04R2420/07H04S3/006H04S3/008
    • A communication system has a controller for transmitting data to be played back by a plurality of playback devices corresponding to a plurality of channels, and a plurality of adapters required for executing playback by the playback devices. The controller has a setting unit which sets data to be played back by the playback devices and control information required to control playback of the data in time slots of a sync transmission frame, and a transmission unit which transmits the sync transmission frame the by the setting unit to the adapters. Each adapter has a reception unit which receives the transmitted sync transmission frame, and a playback control unit which extracts data corresponding to the channel to be played back by the adapter from the sync transmission frame, and controls the playback timing of the data based on control information corresponding to the data.
    • 通信系统具有控制器,用于发送由多个频道对应的多个播放装置要播放的数据,以及由播放装置执行播放所需的多个适配器。 控制器具有设置单元,其设置由播放设备播放的数据和控制同步传输帧的时隙中的数据的重放所需的控制信息,以及通过设置发送同步传输帧的传输单元 单位到适配器。 每个适配器具有接收发送的同步传输帧的接收单元,以及播放控制单元,其从同步传输帧中提取由适配器要播放的频道对应的数据,并且基于控制来控制数据的重放定时 与数据对应的信息。