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    • 2. 发明授权
    • Process for producing powdered carboxyl-containing polymer
    • 制备含羧基聚合物的方法
    • US5543440A
    • 1996-08-06
    • US378715
    • 1995-01-26
    • Kazuhide HayamaYukio SaitohYasuo KitaniKatsuhiko Yamada
    • Kazuhide HayamaYukio SaitohYasuo KitaniKatsuhiko Yamada
    • C08F6/00B01D9/02C08F6/12C08J3/14C08F20/06
    • C08F6/12C08J3/14
    • A process for producing a powdered carboxyl-containing polymer comprising mixing a solution of a water-insoluble polymer containing a carboxyl group per molecule in a hydrophilic organic solvent (e.g., ethanol) and an aqueous solution of a dispersant comprising a neutralized copolymer of a carboxyl-containing unsaturated monomer and a (meth)acrylic ester to precipitate the water-insoluble polymer. Fine polymer particles free from adhesion or agglomeration are obtained efficiently. Since any residual unreacted carboxyl-containing monomers are dissolved out in water as a precipitating solvent, the resulting powdered polymer has a reduced residual content of the unreacted monomers which may be poisonous and is therefore useful as a base resin of cosmetics or a coating resin for applications involving contact with the skin.
    • 一种制备含羧基聚合物聚合物的方法,包括将每分子含有羧基的水不溶性聚合物的溶液在亲水性有机溶剂(例如乙醇)中和包含羧基中和的共聚物的分散剂水溶液 的不饱和单体和(甲基)丙烯酸酯以沉淀水不溶性聚合物。 有效地获得没有粘附或聚集的细聚合物颗粒。 由于任何残留的未反应的含羧基的单体作为沉淀溶剂溶解在水中,因此所得的粉末状聚合物具有降低的可能是有毒的未反应单体的残留量,因此可用作化妆品的基础树脂或用于 涉及与皮肤接触的应用。
    • 5. 发明授权
    • Thermoplastic resin film with excellent offset printability and offset
prints thereof
    • 热塑性树脂薄膜,具有优异的印刷性和胶版印刷
    • US5397637A
    • 1995-03-14
    • US76954
    • 1993-06-16
    • Koichi AsamiHironobu AmagaiYukio SaitohIsao Itoh
    • Koichi AsamiHironobu AmagaiYukio SaitohIsao Itoh
    • B32B7/02B32B27/00B32B27/08B32B27/30B41M5/52C08G73/04C08J7/04C09D133/04C09D133/14D21H19/00B32B5/16
    • C08J7/047B41M5/5245C08J2433/00Y10T428/25Y10T428/31721Y10T428/3175Y10T428/31928
    • A thermoplastic resin film having a coated layer thereon, the coating layer comprising a quaternary ammonium salt copolymer comprising (a) a structural unit represented by formula (I): ##STR1## wherein A represents --O-- or --NH--; R.sup.1 represents a hydrogen atom or a methyl group; R.sup.2 represents an alkylene group having from 2 to 4 carbon atoms or --CH.sub.2 CH(OH)--CH.sub.2 --; R.sup.3, R.sup.4, R.sup.5, and R.sup.6, which may be the same or different, each represents an alkyl group having from 1 to 3 carbon atoms; R.sup.7 represents an alkyl group having from 1 to 10 carbon atoms or an aralkyl group having from 7 to 10 carbon atoms; n represents an integer of from 1 to 3; and X represents a chlorine atom, a bromine atom or an iodine atom, (b) a structural unit represented by formula (II): ##STR2## wherein R.sup.8 represents a hydrogen atom or a methyl group; and R.sup.9 represents an alkyl group having from 1 to 22 carbon atoms, an aralkyl group having from 7 to 22 carbon atoms or a cycloalkyl group having from 5 to 22 carbon atoms, and (c) a structural unit derived from a monomer copolymerizable with monomers providing structural units (a) and (b) at a (a):(b):(c) weight ratio of 30 to 70:30 to 70:0 to 40. The thermoplastic resin film exhibits excellent offset printability and excellent antistatic properties.
    • 一种在其上具有涂层的热塑性树脂膜,所述涂层包含季铵盐共聚物,其包含(a)由式(I)表示的结构单元:其中A表示-O-或-NH-; R1表示氢原子或甲基; R2表示具有2至4个碳原子的亚烷基或-CH 2 CH(OH)-CH 2 - ; R 3,R 4,R 5和R 6可以相同或不同,表示具有1至3个碳原子的烷基; R7表示具有1-10个碳原子的烷基或具有7至10个碳原子的芳烷基; n表示1〜3的整数, X表示氯原子,溴原子或碘原子,(b)由式(II)表示的结构单元:其中R 8表示氢原子或甲基; R9表示碳原子数1〜22的烷基,碳原子数为7〜22的芳烷基或碳原子数为5〜22的环烷基,(c)衍生自可与单体共聚的单体的结构单元 以(a):(b):(c)的重量比为30〜70:30〜70:0〜40,提供结构单元(a)和(b)。热塑性树脂膜具有优异的印刷性和优异的抗静电性 。
    • 6. 发明授权
    • Semiconductor laser device and optical pickup device using the same
    • 半导体激光器件和使用其的光学拾取器件
    • US06747939B2
    • 2004-06-08
    • US09793675
    • 2001-02-26
    • Yukio SaitohShoichi TakasukaNaoki NakanishiHideyuki Nakanishi
    • Yukio SaitohShoichi TakasukaNaoki NakanishiHideyuki Nakanishi
    • G11B700
    • G11B7/123
    • A semiconductor laser device is provided which can carry out recording and reproduction with respect to optical disks with different formats. In this semiconductor laser device, a receiving/emitting optics integrated substrate, in which two semiconductor laser elements with different emission wavelengths and a plurality of receiving optics are integrated, is disposed in a case and is sealed with a hologram element. A composite prism is placed on the hologram element. The distances, when measured in air, from the two semiconductor laser elements to a focusing means, for example, a collimator lens are set to be substantially equal. Thus, a small and inexpensive semiconductor laser device can be obtained. In addition, a single collimator lens can be employed, and thus the optical configuration is facilitated.
    • 提供一种能够对不同格式的光盘执行记录和再现的半导体激光装置。 在该半导体激光器件中,将具有不同发射波长的两个半导体激光元件和多个接收光学元件集成在一起的接收/发射光学器件集成基板设置在壳体中并用全息元件密封。 复合棱镜放置在全息元件上。 在空气中测量时,从两个半导体激光元件到聚焦装置(例如准直透镜)的距离被设定为基本相等。 因此,可以获得小而便宜的半导体激光器件。 另外,可以采用单个准直透镜,因此有助于光学结构。
    • 8. 发明授权
    • Connector for use with high frequency signals
    • 用于高频信号的连接器
    • US06905368B2
    • 2005-06-14
    • US10699163
    • 2003-10-31
    • Jin-ichi MashiyamaYukio Saitoh
    • Jin-ichi MashiyamaYukio Saitoh
    • H01R13/658H01R13/648
    • H01R13/6585H01R12/724
    • An electrical connector includes a pin connector and a socket connector. The pin connector has a plurality of pin contacts, a required number of grand contacts and a block for holding the pin and ground contacts. The socket connector has a plurality of socket contacts, a required number of ground contacts and a housing for holding the socket and ground contacts. The block and housing are each formed from an insulating plastic material and formed with contact insertion apertures into which the contacts are inserted and fixed. Further, the block and housing each have metallized surfaces around the contact insertion apertures in a manner to electrically insulate these contact insertion apertures for pin and socket contacts independently from one another. The electrical connector thus constructed is easily and economically manufactured while being capable of achieving sufficient shielding effect leading to sufficiently high speed transmission.
    • 电连接器包括针连接器和插座连接器。 引脚连接器具有多个引脚触点,所需数量的隆起触点和用于保持引脚和接地触点的块。 插座连接器具有多个插座触点,所需数量的接地触头和用于保持插座和接地触头的壳体。 块和壳体均由绝缘塑料材料形成,并形成有接触插入孔,接触件插入并固定到该插入孔中。 此外,块和壳体各自具有围绕接触插入孔的金属化表面,以使彼此独立的销和插座接触的这些接触插入孔电绝缘。 如此构造的电连接器容易且经济地制造,同时能够实现足够的屏蔽效果,从而实现足够高的速度传输。
    • 9. 发明授权
    • Socket contact and method for producing the same
    • 插座触点及其制造方法
    • US6024613A
    • 2000-02-15
    • US182614
    • 1998-10-29
    • Jin-ichi MashiyamaYukio Saitoh
    • Jin-ichi MashiyamaYukio Saitoh
    • H01R13/11H01R43/16
    • H01R13/11H01R43/16
    • A socket contact includes a connection portion, a fixing portion, contact portions and connecting portions for connecting the contact portions to the fixing portion. The center axis of the contact portions are shifted from the fixing portion by bending the connecting portions in their planes. In producing the socket contact, a blank material is punched to form a flat socket contact whose two contact pieces arranged in parallel with each other are then bent inwardly to form a U-shaped form. Thereafter, connecting portions of the two contact pieces are bent in the planes of the connecting portions. This socket contact fulfills the requirement with respect to the miniaturization of connectors with very narrow pitches. There is no longer any risk of the distal end of a mating contact contacting the bottom surface of the fixing portion of the socket contact, so that the assembling of the connector becomes easy and the stable contact between the socket and mating contacts can be obtained.
    • 插座触点包括连接部分,固定部分,接触部分和用于将接触部分连接到固定部分的连接部分。 接触部分的中心轴线通过在其平面中弯曲连接部分而从固定部分移位。 在制造插座触点时,冲压坯料以形成平坦的插座触点,其两个彼此平行布置的接触片然后向内弯曲以形成U形形状。 此后,两个接触片的连接部分在连接部分的平面中弯曲。 该插座触点满足了关于具有非常窄间距的连接器的小型化的要求。 不再存在配合触头的远端接触插座触点的固定部分的底面的风险,使得连接器的组装变得容易,并且可以获得插座和配合触点之间的稳定的接触。
    • 10. 发明授权
    • Electrical connector
    • 电连接器
    • US5964594A
    • 1999-10-12
    • US103992
    • 1998-06-24
    • Yukio SaitohToru Shinozaki
    • Yukio SaitohToru Shinozaki
    • H01R13/115H01R12/71H01R24/00H01R9/09
    • H01R12/716
    • An electrical connector includes a plug connector and a receptacle connector to be fitted with each other. The plug connector includes a number of metal contact layers alternately formed on both sides of a flexible insulating plate, and a plug housing of an insulator for holding and fixing the insulating plate. Each of the metal contact layers has a contact portion and a tail portion, the former being thinner than the latter for maintaining the flexibility and electric conductivity of the former and maintaining the mechanical strength of the latter. The receptacle connector includes a receptacle housing of an insulator having a fitting groove into which the metal contact layers together with the insulating plate are inserted, and receptacle contacts made of worked elastic metal pieces mounted alternately on both sides of the fitting groove correspondingly to the metal contact layers of the plug connector. With such alternate arrangement of the metal contact layers or receptacle contacts, the spaced distances between the metal contact layers or receptacle contacts on one side are about twice the spaced distances between all the metal contact layers or the receptacle contacts.
    • 电连接器包括插头连接器和彼此配合的插座连接器。 插头连接器包括交替地形成在柔性绝缘板的两侧上的多个金属接触层和用于保持和固定绝缘板的绝缘体的插头壳体。 每个金属接触层具有接触部分和尾部,前者比后者更薄,用于保持前者的柔性和电导率,并保持后者的机械强度。 插座连接器包括绝缘体的插座壳体,其具有嵌入槽,金属接触层与绝缘板一起插入其中,并且由加工的弹性金属片构成的插座触点相对于金属交替安装在配合槽的两侧 插头连接器的接触层。 通过金属接触层或插座触点的这种替代布置,金属接触层或插座触点之间的间隔距离在所有金属接触层或插座触点之间的间隔距离大约是两倍。