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21. 发明授权

US5880900A Error recovery method and disk drive apparatus to superimpose a vibration signal with one-half frequency onto a driving signal to a magnetoresistive head 失效
标题翻译：误差恢复方法和磁盘驱动装置将具有一半频率的振动信号叠加到驱动信号到磁阻头
公开(公告)号：US5880900A
公开(公告)日：1999-03-09
申请号：US752920
申请日：1996-11-20
申请人： Kenji Okada , Koichi Arai , Hisashi Kakuta , Hiroaki Suzuki , Masakazu Sasaki , Akira Kibashi , Tatsuya Endo
发明人： Kenji Okada , Koichi Arai , Hisashi Kakuta , Hiroaki Suzuki , Masakazu Sasaki , Akira Kibashi , Tatsuya Endo
IPC分类号： G11B21/02 , G11B5/00 , G11B5/012 , G11B5/02 , G11B20/18 , G11B20/24 , G11B27/36 , G11B33/10
CPC分类号： G11B27/36 , G11B20/1816 , G11B20/24 , G11B2005/001 , G11B33/10 , G11B5/012
摘要： A disk drive apparatus and a method for executing an error recovery process for an error caused by thermal asperity is set forth by positioning a disk read/write head in the vicinity of a thermal asperity and then by vibrating the head so that the head hits the foreign matter or protrusion on the surface of the disk causing the thermal asperity. Vibrations in the longitudinal direction are generated in a head by supplying a vibration signal to VCM. The vibration signal is superimposed on a head driving signal. During the vibration process, the head is positioned on a track shifted from a thermal asperity causing track by several tracks in order to hit the thermal asperity by an edge of a head.
摘要翻译：通过将盘读/写头定位在热凹凸附近，然后通过使头部振动以使头部撞击到头部，来提供用于执行由热凹凸引起的误差的错误恢复处理的盘驱动装置和方法在盘表面上的异物或突起导致热不均匀。通过向VCM提供振动信号，在头部产生纵向振动。振动信号叠加在磁头驱动信号上。在振动过程中，头部位于从热凹凸移动的轨道上，导致轨迹通过几个轨道，以便通过头部边缘击打热不均匀性。

22. 发明授权

US5665872A LDL receptor analog protein and DNA coding therefor 失效
标题翻译： LDL受体类似蛋白及其编码的DNA
公开(公告)号：US5665872A
公开(公告)日：1997-09-09
申请号：US727034
申请日：1996-10-08
申请人： Yasushi Saito , Akio Iwasaki , Koichi Arai , Hiroyuki Yamazaki
发明人： Yasushi Saito , Akio Iwasaki , Koichi Arai , Hiroyuki Yamazaki
IPC分类号： C12N15/09 , C07H21/04 , C07K14/705 , C12N5/00 , C12N5/10 , C12N15/12 , C12P21/02 , C12R1/91 , C07K14/46 , C12N15/63 , C12N15/85
CPC分类号： C07K14/705
摘要： The present invention is drawn to a DNA encoding a novel LDL receptor-analog. LDL receptors participate in lipoprotein metabolism, which is a critical factor in the onset of arteriosclerosis. The invention provides DNA having the nucleotide sequences shown by SEQ ID NOS: 1 and 5, which encode rabbit and human LDL receptor analog proteins having the sequences shown in SEQ ID NOS: 3 and 7 respectively.
摘要翻译：本发明涉及编码新型LDL受体 - 类似物的DNA。 LDL受体参与脂蛋白代谢，这是动脉硬化发病的关键因素。本发明提供具有SEQ ID NO：1和5所示核苷酸序列的DNA，其分别编码具有SEQ ID NO：3和7所示序列的兔和人LDL受体类似物蛋白。

23. 发明授权

US5381282A Inter-sample switching of servo control in direct access storage devices 失效
标题翻译：直接存取存储设备中伺服控制的采样间切换
公开(公告)号：US5381282A
公开(公告)日：1995-01-10
申请号：US779438
申请日：1991-10-18
申请人： Koichi Arai , Hal H. Ottesen , Arun Sharma , Muthuthamby Sri-Jayantha , Michael C. Stich
发明人： Koichi Arai , Hal H. Ottesen , Arun Sharma , Muthuthamby Sri-Jayantha , Michael C. Stich
IPC分类号： G11B21/08 , G11B5/596
CPC分类号： G11B5/596
摘要： A direct access storage device and a method of operation thereof where the output of the circuit which controls energy to the position actuator for the head may be changed at times between receipt of sequential position error signals from the medium. Instead of waiting for the next position error signal, a computation is done based on at least the current position and the desired position of the head as to when the head velocity will be equal to a desired velocity. The optimum time to switch is estimated, the energy required to achieve a predetermined velocity and a predetermined offset with respect to the desired position are computed, and operation is conducted accordingly. The amount of energy may again be changed at a time subsequent to the estimated time. The predetermined velocity and the predetermined offset may be zero or may have values other than zero in accordance with the requirements of the track following controller.
摘要翻译：一种直接存取存储装置及其操作方法，其中可以在接收到来自介质的连续位置误差信号之间的时候改变控制头部位置致动器的能量的电路的输出。代替等待下一个位置误差信号，至少基于头部的当前位置和期望位置来计算关于头部速度将等于期望速度的时间。估计最佳切换时间，计算实现预定速度所需的能量和相对于期望位置的预定偏移量，并相应地进行操作。在估计时间之后的时间，能量的量再次可以改变。预定速度和预定偏移可以为零，或者可以根据跟踪跟踪控制器的要求具有除零之外的值。

24. 发明授权

US5061366A Scraper filter system 失效
标题翻译：刮刀过滤系统
公开(公告)号：US5061366A
公开(公告)日：1991-10-29
申请号：US513639
申请日：1990-04-24
申请人： Koichi Arai
发明人： Koichi Arai
IPC分类号： B01D29/25 , B30B9/12
CPC分类号： B30B9/18 , B01D29/25 , B30B9/121
摘要： A scraper filter system, which comprises a screw-formed spiral impeller within a cylindrical filter element, and scraper means formed along the spiral end of the impeller for engagement with the internal surface of the filter element for scrapingly removing solid components deposited on the surface of the filter element.Further the present invention provides a filter system, which comprises a cylindrical filter element, a cylindrical casing allowing liquid components to flow from the inside to the outside through the filter element, a spiral impeller with the scraper means for engagement with the internal surface of the filter element for removing solid components, and further comprises a feed liquid inlet at one end of the cylindrical casing and filter cake discharge means including a cake discharge outlet at the outlet end of the casing.

25. 发明申请

US20130142583A1 Drill 有权
公开(公告)号：US20130142583A1
公开(公告)日：2013-06-06
申请号：US13816895
申请日：2012-02-06
申请人： Koichi Arai , Giichi Arai , Katsuyo Kimura
发明人： Koichi Arai , Giichi Arai , Katsuyo Kimura
IPC分类号： B23B51/02
CPC分类号： B23B51/02 , B23B2251/04 , B23B2251/085 , B23B2251/14 , B23B2251/18 , B24B3/32
摘要： [Problem] To provide a drill which enables a great reduction in cutting resistance and easy performance of a drilling operation by human power using a hand drill, a drilling machine, or the like.[Solution] A drill has two cutting edges formed symmetrically with respect to a rotation axis, and is subjected to thinning at the tip thereof. The cutting edge is configured from a thinned cutting edge (1) which extends in a shape including a curved line from a chisel edge to the outer peripheral side of the drill, and a main cutting edge (2) which extends from the end of the thinned cutting edge to the outer peripheral end of the drill when viewed from the tip side of the drill, and a thinned surface formed by the thinned cutting edge is formed into an approximately parabolic shape inclined in a drill axis direction when viewed from the front side of the drill.

26. 发明授权

US06456451B1 Method and apparatus for disk drive seek control 失效
公开(公告)号：US06456451B1
公开(公告)日：2002-09-24
申请号：US09220419
申请日：1998-12-24
申请人： Hideo Asano , Kenji Okada , Tetsuo Ueda , Koichi Arai , Hideki Ohzeki
发明人： Hideo Asano , Kenji Okada , Tetsuo Ueda , Koichi Arai , Hideki Ohzeki
IPC分类号： G11B5596
CPC分类号： G11B5/5547
摘要： A disk drive seek control system device to reduce track pitch. When data is recorded, an offset value is added to the position of a read head element along the width of a track corresponding to an offset &Dgr;w between the read head element and a write head element. The value of the offset depends on the yaw angle &thgr; of the head. When data is read, the position of the read head element is chosen to be either the position of the write head element during write operations, or the midpoint between the position of the write head element and the read head element during write operations, or the center of a track.

27. 发明授权

US6113477A Drill abrasive apparatus 失效
公开(公告)号：US6113477A
公开(公告)日：2000-09-05
申请号：US269616
申请日：1999-03-26
申请人： Koichi Arai
发明人： Koichi Arai
IPC分类号： B24B3/32 , B24B5/00
CPC分类号： B24B3/32
摘要： A drill abrasive apparatus, capable of grinding a candle-shaped drill requiring Z-type thinning, has a whetstone (1), a drill holder (5), a drill adjustable pedestal (2), a drill abrasive pedestal (3) and a drill thinning pedestal (4). An abrasive surface of the whetstone has a parallel surface (11) parallel with a rotating axis of the whetstone, a relief surface (12) for a chisel portion central to of the drill in front of the parallel surface, a slanted surface (13) for a thinning behind the parallel surface for a predetermined angle, and a second parallel surface (14) behind the slanted surface parallel with the rotating axis of the whetstone. The drill holder a cylindrical drill insertion portion (51), holder ring (52) with guide groove (52e) regulating a rotating angle of the drill holder mounted to the drill insertion portion for a cutting edge-shape. The drill adjustable pedestal has a fitting hole (21a) into which the drill insertion portion is fitted, an adjustable base pedestal (21) having a latch projection for determining an angle and position of the drill holder, and a stopper (22) integral with the adjustable base pedestal. The drill abrasive pedestal has a fitting hole (31) into which the drill insertion portion is fitted and a latch projection (31a), inserted into the guide groove with play existing therebetween, is provided on the peripheral edge portion. The drill thinning pedestal has a fixing leg (41) fixed to a base (8) and a fitting portion (42) mounted to the fixing leg and has a fitting hole (42a) into which the drill insertion portion is fitted, and the fitting portion has a latch projection for determining the angle and position of the drill holder and can be slanted towards the whetstone within a predetermined angle range.

28. 发明授权

US5712365A Process for producing ethylene alpha-olefin copolymer 失效
标题翻译：生产乙烯α-烯烃共聚物的方法
公开(公告)号：US5712365A
公开(公告)日：1998-01-27
申请号：US618821
申请日：1996-03-20
申请人： Koichi Arai , Makoto Toshimitsu
发明人： Koichi Arai , Makoto Toshimitsu
IPC分类号： C08F210/16 , C08F6/28
CPC分类号： C08F210/16
摘要： A high-temperature high-pressure process for producing an ethylene/.alpha.-olefin copolymer is provided in which a saturated hydrocarbon of 4 or less carbons is injected to an unreacted monomer mixture fed to a separator in a high-pressure recycling system. This process enables stable running of the production apparatus for a long term without clogging of the tubing in the high-pressure recycling system.
摘要翻译：提供一种用于生产乙烯/α-烯烃共聚物的高温高压方法，其中将4以下碳的饱和烃注入到在高压循环系统中供给到隔板的未反应单体混合物中。该方法能够长期稳定地运行生产设备，而不会堵塞高压回收系统中的管道。

29. 发明授权

US5186834A Scraper filter system 失效
标题翻译：刮刀过滤系统
公开(公告)号：US5186834A
公开(公告)日：1993-02-16
申请号：US740960
申请日：1991-08-06
申请人： Koichi Arai
发明人： Koichi Arai
IPC分类号： B01D29/17 , B01D29/25 , B01D29/37 , B01D29/46 , B01D29/62 , B01D29/64
CPC分类号： B30B9/14 , B01D29/25
摘要： A scraper filter system, which comprises a screw-formed spiral impeller within a cylindrical filter element, and a scraper in the groove formed along the spiral end of the impeller for engagement with the internal surface of the filter element for scrapingly removing solid components deposited on the surface of the filter element.The scraper is comprised of a plurality of separate arcuate segments each being urged radially in the external direction by a resilient member, and also includes a securing element for preventing movement of each segment in the groove with respect to the spiral edge of the spiral impeller.

30. 发明授权

US5059320A Locking structure of wire rod for filter element 失效
标题翻译：过滤元件线材锁定结构
公开(公告)号：US5059320A
公开(公告)日：1991-10-22
申请号：US446082
申请日：1989-12-05
申请人： Koichi Arai
发明人： Koichi Arai
IPC分类号： B01D29/48 , B01D29/15 , B01D39/14 , B01D27/06 , B01D29/05
CPC分类号： B01D29/15 , B01D2201/02 , Y10T29/49602
摘要： A locking structure of a wire rod for a filter element which comprises a support member of either a cylindrical, flat plate or inverted conical shape, a threaded groove helically formed on an outer or inner peripheral surface of the support member, along which groove a wire rod of a desired sectional form is wound, leaving a spiral continuous slit between windings, allowing flow of a fluid to be filtered or separated. Each end portion of the wire rod is bent so as to be merely pushed and firmly secured in a locking hole formed on the support member, without using a locking member such as an insert member or wedge.
摘要翻译：用于过滤器元件的线材的锁定结构，其包括圆柱形，平板或倒锥形的支撑构件，螺旋形沟槽形成在支撑构件的外周表面或内周表面上，螺纹槽沿着该槽缠绕期望的截面形状的杆，在绕组之间留下螺旋形的连续狭缝，允许待过滤或分离的流体的流动。线材的每个端部被弯曲以仅仅被推动并牢固地固定在形成在支撑构件上的锁定孔中，而不使用诸如插入构件或楔形物的锁定构件。

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