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    • 31. 发明授权
    • Obfuscation device for generating a set of obfuscated instructions, processing device, method, program, and integrated circuit thereof
    • 用于产生一组模糊化指令的混淆装置,处理装置,方法,程序及其集成电路
    • US08225077B2
    • 2012-07-17
    • US12409756
    • 2009-03-24
    • Taichi SatoTomoyuki HagaKenichi MatsumotoAkito MondenHaruaki Tamada
    • Taichi SatoTomoyuki HagaKenichi MatsumotoAkito MondenHaruaki Tamada
    • G06F9/00
    • G06F21/52
    • An obfuscation device includes a first instruction generating unit, for each of a first process and a second process, which generates an initialization instruction for securing a management area for managing identification information indicating an instruction block that should be executed next so as to proceed with the process. Further, a second instruction generating unit generates a selection instruction (i) to make a first selection selecting a process that should be proceeded out of the first process and the second process, (ii) to make a second selection selecting an instruction block indicated by the identification information managed in the management area as an instruction block that should be executed for proceeding with the process selected by the first selection, and (iii) to cause the execution device to execute the instruction block selected by the second selection, and stores the selection instruction in a storage unit.
    • 混淆装置包括第一指令生成单元,用于第一处理和第二处理中的每一个,其生成用于保护管理区域的初始化指令,用于管理指示下一个应执行的指令块的识别信息,以便继续进行 处理。 此外,第二指令生成单元生成选择指令(i),进行选择应从第一处理和第二处理开始的处理的第一选择,(ii)进行第二选择,选择由 在管理区域中管理的识别信息作为用于进行由第一选择选择的处理而执行的指令块,以及(iii)使执行装置执行由第二选择选择的指令块,并且存储 存储单元中的选择指令。
    • 32. 发明授权
    • Stencil printing machine
    • 模版印刷机
    • US08220385B2
    • 2012-07-17
    • US12301880
    • 2007-03-28
    • Taichi Sato
    • Taichi Sato
    • B41L13/00
    • B41L13/04B41L13/14
    • In a stencil printing machine including a plate discharge device for stripping a master from a plate cylinder and collecting the master after attaching the master subjected to plate making to the plate cylinder for printing on a sheet, the plate discharge device includes a storing section for storing the master, a lid for closing the storing section to be opened/closed freely, and a device for locking the lid in a closed state, the plate discharge device being provided such that it can be taken out to the housing of the stencil printing machine. Consequently, a stencil printing machine from which the plate discharge device can be taken out while secrecy is kept surely can be provided.
    • 在一种模版印刷机中,所述印版装置包括用于从印版滚筒剥离印版的印版放出装置,以及在将制版后的印版滚筒附着在印版滚筒上用于印刷在片材上之后收集所述印版,所述印版放出装置包括: 主机,用于关闭存储部分以便自由打开/关闭的盖子,以及用于将盖子锁定在关闭状态的装置,该排纸装置设置成使其能够被取出到模版印刷机的壳体 。 因此,可以提供保持安全的板式排出装置可从中取出的模版印刷机。
    • 36. 发明申请
    • PATH RISK EVALUATING APPARATUS
    • 路径风险评估设备
    • US20100217528A1
    • 2010-08-26
    • US12671144
    • 2009-07-08
    • Taichi SatoKenji Mizutani
    • Taichi SatoKenji Mizutani
    • G06F7/00
    • B25J9/1666
    • A path risk evaluating apparatus includes a secondary collision likelihood direction evaluating unit (108) and a secondary collision likelihood distance evaluating unit (109) which evaluate, based on the relationship between a movement path and a position of objects in an environment where a mobile device moves, the likelihood of the mobile device having primary collision with a first object and the first object further having secondary collision with a second object; a risky attribute combination evaluating unit (112) which determines degree of damage when secondary collision occurs, by referring to information, indicating degree of damage when objects in the environment collide, held by a risky attribute combination information holding unit (111); and a path evaluating unit (113) which evaluates the risk of the moving path for the mobile device, based on the evaluation result from the secondary collision likelihood direction evaluating unit (108) and the secondary collision likelihood distance evaluating unit (109) and the degree of damage determined by the risky attribute combination evaluating unit (112).
    • 路径风险评估装置包括二次碰撞似然方向评估单元(108)和二次碰撞似然距离评价单元(109),其基于移动路径与移动设备的环境中的物体的位置之间的关系, 移动,移动设备与第一对象发生主要冲突的可能性,并且第一对象进一步与第二对象具有二次碰撞; 通过参照由风险属性组合信息保存单元(111)持有的指示环境中的对象相撞的损害程度的信息,确定二次碰撞发生时的损伤程度的风险属性组合评估单元(112)。 以及基于来自二次碰撞似然方向评估单元(108)和二次碰撞似然距离评估单元(109)的评估结果以及第二碰撞似然度距离评估单元(109)的评估结果来评估移动设备的移动路径的风险的路径评估单元(113) 由风险属性组合评估单元(112)确定的损伤程度。
    • 37. 发明申请
    • GROUP SUBORDINATE TERMINAL, GROUP MANAGING TERMINAL, SERVER, KEY UPDATING SYSTEM, AND KEY UPDATING METHOD THEREFOR
    • 集团子终端,集团管理终端,服务器,主要更新系统及其主要更新方法
    • US20100014677A1
    • 2010-01-21
    • US12147126
    • 2008-06-26
    • Taichi SatoKaoru YokotaNatsume MatsuzakiYuichi FutaTetsuya InoueMasao Nonaka
    • Taichi SatoKaoru YokotaNatsume MatsuzakiYuichi FutaTetsuya InoueMasao Nonaka
    • H04L9/08
    • H04L9/0833H04L9/0891H04L2209/60
    • Provided is a group subordinate terminal in a key updating system that includes a server and a group of terminals including: a group managing terminal; and group subordinate terminals including the group subordinate terminal, the group subordinate terminal comprising: a group withdrawal request processing unit which transmits a group withdrawal request to the group managing terminal in response to an instruction to update its apparatus-unique key, the group withdrawal request requesting for withdrawal of the group subordinate terminal from the group; an update apparatus-unique key requesting unit which requests for another apparatus-unique key by transmitting to the server a group withdrawal certificate indicating that the withdrawal of the group subordinate terminal from the group of terminals is completed through invalidation of its group key; and an update processing unit which updates the apparatus-unique key held in an apparatus-unique key holding unit to the another apparatus-unique key obtained from the server.
    • 提供了一种密钥更新系统中的组下属终端,其包括服务器和一组终端,包括:组管理终端; 组群下属终端包括:群组提取请求处理单元,响应于更新其装置唯一密钥的指令向组管理终端发送组提款请求,组提款请求 要求集团下属终端从集团撤出; 更新设备唯一密钥请求单元,其通过向服务器发送指示通过其组密钥的无效来完成组从属终端的撤销而完成的组取出证书来请求另一设备唯一密钥; 以及更新处理单元,其将从设备唯一密钥保存单元保存的设备唯一密钥更新为从服务器获得的另一设备唯一密钥。
    • 38. 发明申请
    • PROGRAM OBFUSCATOR
    • 程序OBFUSCATOR
    • US20090307500A1
    • 2009-12-10
    • US12162706
    • 2007-02-06
    • Taichi SatoRieko AsaiKenneth Alexander Nicolson
    • Taichi SatoRieko AsaiKenneth Alexander Nicolson
    • G06F21/22
    • G06F21/14
    • A program obfuscator of the present invention divides a target program into a plurality of blocks and determines program instructions allocated according to an input/output relation between the blocks, in order to diffuse and allocate the program instructions for calculating a value of secret information in various places of the program. More specifically, with regard to a variable for calculating the secret information transferred to and from the blocks, a value of the variable when outputted from a block is equalized to a value of the variable when inputted to a next block. A random variable conversion instruction is added to each of the blocks so that a value of the variable when outputted from each block is in a range of a value expected as an input to the next block.
    • 本发明的程序混淆器将目标程序划分为多个块,并根据块之间的输入/输出关系确定分配的程序指令,以扩散并分配用于计算各种秘密信息的值的程序指令 程序的地方。 更具体地,关于用于计算传送到块的秘密信息的变量,当从块输出时,变量的值在输入到下一个块时与变量的值相等。 随机变量指令被添加到每个块,使得当从每个块输出时变量的值在期望作为下一个块的输入的值的范围内。
    • 39. 发明申请
    • Program Conversion Device and Program Execution Device
    • 程序转换设备和程序执行设备
    • US20080162949A1
    • 2008-07-03
    • US11884147
    • 2006-02-09
    • Taichi SatoRieko AsaiYoshikatsu ItoKouichi KanemuraHideki Matsushima
    • Taichi SatoRieko AsaiYoshikatsu ItoKouichi KanemuraHideki Matsushima
    • G06F11/30
    • G06F21/14
    • It is troublesome for a distributor (server) to manage a plurality of programs of different obfuscated levels that are suitable for various devices, including ones having a high-speed CPU but with low security level (PCs) and ones having a low-speed CPU but with high security level (consumer products). A program conversion device generates a program by obfuscating an original program, and also generates and encrypts conversion parameters for inverse conversion of the obfuscated program. The program conversion device distributes the obfuscated program together with the encrypted conversion parameters. To execute the obfuscated program, a device having a high security level decrypts the encrypted parameters by using a decryption key stored in advance, applies inverse conversion to the obfuscated program by using the decrypted conversion parameters, and executes the program resulting from the inverse conversion. A device having a low security level executes the obfuscated program as it is without any inverse conversion.
    • 分销商(服务器)管理适合于各种设备的不同混淆级别的多个程序是麻烦的,包括具有高速CPU但具有低安全级别(PC)的程序,并且具有低速CPU 但具有较高的安全级别(消费品)。 程序转换装置通过模糊原始程序来生成程序,并且还生成并加密转换参数,用于对模糊程序进行逆转换。 程序转换装置将加密的程序与加密的转换参数一起分发。 为了执行混淆程序,具有高安全级别的设备通过使用预先存储的解密密钥对加密参数进行解密,通过使用解密的转换参数将反转换应用于混淆程序,并执行逆转换产生的程序。 具有低安全级别的设备按原样执行模糊化程序,而不进行任何逆转换。
    • 40. 发明授权
    • Tube joint
    • 管接头
    • US06371530B1
    • 2002-04-16
    • US09692793
    • 2000-10-20
    • Taichi SatoKoichi ShirakawaKosuke Sakai
    • Taichi SatoKoichi ShirakawaKosuke Sakai
    • F16L1700
    • F16L21/04F16L21/08
    • A tube joint comprises: a pushing ring provided at its outer periphery with a projection and fitted to an outer periphery of one end of a joint tube; a tube or a joint body provided at is side opposed to the pushing ring with a projection opposed to the projection of the pushing ring, the tube or the joint body having a receiving portion which is widened toward the pushing ring and the tube or the joint body being fitted to an outer periphery of the joint tube with a peripheral gap left therebetween; a fastening tool capable of moving the pushing ring in a direction of the tube or the joint body; a packing provided between inner and outer side of the tube or the joint body and the joint tube, and fitted through the receiving portion by its own resilient deformation by operation of the fastening tool; and a spacer inserted between the pushing ring and the tube or the joint body to limit a distance between the pushing ring and the tube or the joint body to a constant value.
    • 管接头包括:推动环,其外周设有突起,并配合到接头管一端的外周; 管或接头体设置在与推环相对的一侧,具有与推环的突起相对的突出部,管或接头本体具有朝向推环加宽的接收部分,管或接头 主体装配到接合管的外周,其间留有周边间隙; 能够沿所述管或所述接头体的方向移动所述推动环的紧固工具; 该管子或接头本体和接合管的内侧和外侧之间设有一个密封件,并且通过紧固工具的操作通过其自身的弹性变形而通过接收部分安装; 以及插入在推动环和管或接头体之间的间隔件,以将推动环和管或接头体之间的距离限制为恒定值。