Patents by Inventor Tsuyoshi Sakata
Tsuyoshi Sakata has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20120322374Abstract: The present invention provides a communication apparatus and a communication method that can easily indicate the position of the antenna incorporated in the communication apparatus to a user and can align the antenna of the communication apparatus with the antenna of an external device. A portable device (1) includes a loop antenna (11) for performing near-field communication, a display unit (12) provided on a side of the portable device (1) opposite the orientation of the loop antenna (11), and an antenna position information storing unit (142) that stores antenna position information representing the position of the loop antenna (11) in the portable device (1). The display device (12) displays the position of the loop antenna (11) on the basis of the antenna position information stored in the antenna position information storing unit (142).Type: ApplicationFiled: December 27, 2011Publication date: December 20, 2012Inventors: Masaru Yamaoka, Michihiro Matsumoto, Tomoaki Ohira, Toshiaki Ohnishi, Tsuyoshi Sakata
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Publication number: 20120139602Abstract: In a circuit design support apparatus, a selection unit selects a delay circuit model from among two or more delay circuit models with wire load based on different values of physical parameters relating to wiring, on the basis of a difference value in a physical parameter between a first path and a second path, the first path being from a branch point of a clock signal line for supplying a clock signal to a register model of a semiconductor integrated circuit model to be designed up to a clock signal input terminal of the register model, the second path being from the branch point up to a data signal input terminal of the register model. An arrangement unit arranges the selected delay circuit model on a data signal line connected to the data signal input terminal.Type: ApplicationFiled: September 19, 2011Publication date: June 7, 2012Applicant: FUJITSU SEMICONDUCTOR LIMITEDInventor: Tsuyoshi SAKATA
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Publication number: 20110202895Abstract: A recording medium stores a verification program that causes a computer to execute detecting from a model circuit, a first circuit representing junction of a source region and a substrate region and including a junction resistance and a junction capacitance, a second circuit parallel to the first circuit, representing junction of a drain region and the substrate region, and including a junction resistance and a junction capacitance equivalent to the junction resistance and capacitance of the first circuit, and a connection resistance connecting the circuits and a substrate electrode; calculating, using the junction resistances and connection resistance, a first coefficient indicating impact of the junction resistances and connection resistance on amplitude variation; calculating, using the junction capacitances and connection resistance, a second coefficient indicating impact of the junction capacitances and connection resistance on phase variation; correcting the junction capacitances using a sum of the coefType: ApplicationFiled: February 3, 2011Publication date: August 18, 2011Applicant: FUJITSU SEMICONDUCTOR LIMITEDInventors: Hiroki Miyaoka, Seiichiro Yamaguchi, Tsuyoshi Sakata
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Patent number: 7917872Abstract: A simulation method to be implemented in a computer causes the computer to execute a procedure carrying out a weighting with respect to layout parameters of a circuit, which is an analyzing target, based on priority information of cells forming the circuit, and converting the weighted layout parameters into physical characteristics and storing the physical characteristics in a memory part, a procedure converting the physical characteristic read from the memory part into circuit parameters and storing the circuit parameters into the memory part, and analyzing the circuit based on a net list including the circuit parameters read from the memory part.Type: GrantFiled: April 29, 2008Date of Patent: March 29, 2011Assignee: Fujitsu Semiconductor LimitedInventors: Yusuke Tanefusa, Norihiro Harada, Tsuyoshi Sakata, Tomoyuki Yamada
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Publication number: 20110035716Abstract: A design support program stored in a recording medium readable by a computer includes acquiring a first analysis result including information about an area included in circuit information of a design target circuit and a second analysis result relating to a path of the circuit information, the temperature of the area being equal to or higher than a certain temperature; determining an arbitrary cell on a non-critical path from among cells arranged in the area as a target cell for decreasing the area temperature; and outputting a result of the determination.Type: ApplicationFiled: August 3, 2010Publication date: February 10, 2011Applicant: FUJITSU SEMICONDUCTOR LIMITEDInventors: Toshio HINO, Tsuyoshi SAKATA, Tomoyuki YAMADA
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Patent number: 7632158Abstract: A cable connector is to be fitted to a mating connector attached to a circuit board. The cable connector includes a housing including a terminal hole for inserting a cable with a terminal; and a movable member attached to the housing for positioning the terminal at a regular position. The movable member includes an attached portion attached to the housing and a pressing portion retained in the terminal hole to be movable to an advance position for positioning the terminal at the regular position. The attached portion includes an upper plate portion and a lower plate portion both extending forward from a rear wall portion of the movable member to be guided along a top wall of the housing. The pressing portion includes a thrust arm portion extending forward from the rear wall portion and having a pressing surface on a front edge surface thereof.Type: GrantFiled: June 26, 2008Date of Patent: December 15, 2009Assignee: Hirose Electric Co., Ltd.Inventors: Ikuo Denpouya, Tsuyoshi Sakata
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Patent number: 7600228Abstract: With respect to a secure device 10 for executing a data storing operation and a data calculating operation under secrecy condition, a first application program 15 and a second application program 11 are retained. The program 15 causes an information processing terminal 30 mounted thereon this secure device 10 to execute a process operation by utilizing a resource of this information processing terminal 30. The program 11 causes the secure device 10 to execute such a process operation under secrecy condition in conjunction with the process operation of this information processing terminal 30. When this secure device 10 is mounted on the information processing terminal 30, this secure device 10 loads the program 15 to the information processing terminal 30 so as to install this loaded first application program therein. Then, a terminal application program required to execute a service is automatically installed to the information processing terminal 30.Type: GrantFiled: July 14, 2004Date of Patent: October 6, 2009Assignee: Panasonic CorporationInventors: Hiroshi Takekawa, Hisashi Takayama, Hayashi Ito, Tsuyoshi Sakata, Hiroshi Nishikawa
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Patent number: 7523427Abstract: By multiplying a square root of a sum of squares of a standard deviation of cells constituting a target circuit by a weight, or by calculating a square root of a sum of squares of a weighted standard deviation of the cells, the standard deviation of delay of the target circuit can be obtained. Using the obtained standard deviation of delay of the target circuit and the delay of the target circuit, timing verification is performed.Type: GrantFiled: February 28, 2006Date of Patent: April 21, 2009Assignee: Fujitsu Microelectronics LimitedInventor: Tsuyoshi Sakata
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Publication number: 20090037855Abstract: A simulation method to be implemented in a computer causes the computer to execute a procedure carrying out a weighting with respect to layout parameters of a circuit, which is an analyzing target, based on priority information of cells forming the circuit, and converting the weighted layout parameters into physical characteristics and storing the physical characteristics in a memory part, a procedure converting the physical characteristic read from the memory part into circuit parameters and storing the circuit parameters into the memory part, and analyzing the circuit based on a net list including the circuit parameters read from the memory part.Type: ApplicationFiled: April 29, 2008Publication date: February 5, 2009Applicant: FUJITSU LIMITEDInventors: Yusuke TANEFUSA, Norihiro HARADA, Tsuyoshi SAKATA, Tomoyuki YAMADA
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Publication number: 20090004924Abstract: A cable connector is to be fitted to a mating connector attached to a circuit board. The cable connector includes a housing including a terminal hole for inserting a cable with a terminal; and a movable member attached to the housing for positioning the terminal at a regular position. The movable member includes an attached portion attached to the housing and a pressing portion retained in the terminal hole to be movable to an advance position for positioning the terminal at the regular position. The attached portion includes an upper plate portion and a lower plate portion both extending forward from a rear wall portion of the movable member to be guided along a top wall of the housing. The pressing portion includes a thrust arm portion extending forward from the rear wall portion and having a pressing surface on a front edge surface thereof.Type: ApplicationFiled: June 26, 2008Publication date: January 1, 2009Inventors: Ikuo Denpouya, Tsuyoshi Sakata
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Patent number: 7377812Abstract: An electrical connector to be connected to a cable includes a first housing having a casing with a substantially rectangular shape and a fitting section protruding from the casing in a direction that the electrical connector is fitted to a mate connector; a first shell covering the casing; and a first terminal arranged in the fitting section. The first terminal has contact sections at upper and lower sides of one end thereof for contacting with a terminal of the mate connector, and a connecting section at the other end thereof for connecting with a core wire of the cable. It is arranged such that a distance from the contact section at the upper side to the connecting section is substantially same as a distance from the contact section at the lower side to the connecting section.Type: GrantFiled: September 7, 2006Date of Patent: May 27, 2008Assignee: Hicose Electric Co., Ltd.Inventors: Takeshi Fukushima, Tsuyoshi Sakata
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Patent number: 7354205Abstract: An electro-optical composite connector includes a receptacle connector including a receptacle housing to be mounted on a first board, a receptacle shell for covering the receptacle housing, and a receptacle terminal arranged on the receptacle housing; and a plug connector including a plug housing for holding an optical fiber, a plug shell for covering the plug housing, and an optical module to be connected to the optical fiber. The optical module includes a second board; a light receiving/emitting element mounted on one surface of the second board; at least one of a plug terminal and a land mounted on the one surface of the second board for transmitting a signal relative to the receptacle terminal; and a grounding surface formed on the other surface of the second board opposite to the one surface. The grounding surface is electrically connected to an inner wall of the plug shell.Type: GrantFiled: May 31, 2007Date of Patent: April 8, 2008Assignee: Hirose Electric Co., Ltd.Inventors: Tsuyoshi Sakata, Takeshi Yamazaki, Kouki Adachi
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Publication number: 20070280603Abstract: An electro-optical composite connector includes a receptacle connector including a receptacle housing to be mounted on a first board, a receptacle shell for covering the receptacle housing, and a receptacle terminal arranged on the receptacle housing; and a plug connector including a plug housing for holding an optical fiber, a plug shell for covering the plug housing, and an optical module to be connected to the optical fiber. The optical module includes a second board; a light receiving/emitting element mounted on one surface of the second board; at least one of a plug terminal and a land mounted on the one surface of the second board for transmitting a signal relative to the receptacle terminal; and a grounding surface formed on the other surface of the second board opposite to the one surface. The grounding surface is electrically connected to an inner wall of the plug shell.Type: ApplicationFiled: May 31, 2007Publication date: December 6, 2007Inventors: Tsuyoshi Sakata, Takeshi Yamazaki, Kouki Adachi
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Publication number: 20070124710Abstract: By multiplying a square root of a sum of squares of a standard deviation of cells constituting a target circuit by a weight, or by calculating a square root of a sum of squares of a weighted standard deviation of the cells, the standard deviation of delay of the target circuit can be obtained. Using the obtained standard deviation of delay of the target circuit and the delay of the target circuit, timing verification is performed.Type: ApplicationFiled: February 28, 2006Publication date: May 31, 2007Applicant: FUJITSU LIMITEDInventor: Tsuyoshi Sakata
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Publication number: 20070054556Abstract: An electrical connector to be connected to a cable includes a first housing having a casing with a substantially rectangular shape and a fitting section protruding from the casing in a direction that the electrical connector is fitted to a mate connector; a first shell covering the casing; and a first terminal arranged in the fitting section. The first terminal has contact sections at upper and lower sides of one end thereof for contacting with a terminal of the mate connector, and a connecting section at the other end thereof for connecting with a core wire of the cable. It is arranged such that a distance from the contact section at the upper side to the connecting section is substantially same as a distance from the contact section at the lower side to the connecting section.Type: ApplicationFiled: September 7, 2006Publication date: March 8, 2007Inventors: Takeshi Fukushima, Tsuyoshi Sakata
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Publication number: 20060287976Abstract: An information gathering system capable of obtaining information from a network, comprising a pointer sender (30) for sending out a pointer of the information to be obtained from the network, a portable terminal (20) capable of accessing to the network and the pointer sender, and an information provider (40) for providing the information via the network, wherein the portable terminal uses the pointer requested to and obtained from the portable sender and easily accesses to the information provider to obtain the information.Type: ApplicationFiled: July 28, 2006Publication date: December 21, 2006Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventor: Tsuyoshi Sakata
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Publication number: 20050015275Abstract: With respect to a secure device 10 for executing a data storing operation and a data calculating operation under secrecy condition, a first application program 15 and a second application program 11 are retained. The program 15 causes an information processing terminal 30 mounted thereon this secure device 10 to execute a process operation by utilizing a resource of this information processing terminal 30. The program 11 causes the secure device 10 to execute such a process operation under secrecy condition in conjunction with the process operation of this information processing terminal 30. When this secure device 10 is mounted on the information processing terminal 30, this secure device 10 loads the program 15 to the information processing terminal 30 so as to install this loaded first application program therein. Then, a terminal application program required to execute a service is automatically installed to the information processing terminal 30.Type: ApplicationFiled: July 14, 2004Publication date: January 20, 2005Inventors: Hiroshi Takekawa, Hisashi Takayama, Hayashi Ito, Tsuyoshi Sakata, Hiroshi Nishikawa
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Publication number: 20040064507Abstract: The object of the invention is to provide an information provision system that can efficiently provide individual information to each terminal.Type: ApplicationFiled: April 14, 2003Publication date: April 1, 2004Inventor: Tsuyoshi Sakata
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Publication number: 20040064550Abstract: In order to receive network connection service, a user needs to configure communication information by himself/herself to a terminal, which the user himself/herself uses, whose procedure has been complicated. On the other hand, it is difficult to ensure the security of the terminal device if the connection from a connection service company by remote processing is permitted without limits. A network connection service company such as an Internet service provider communicates communication information, which is allocated to each terminal device, to an exclusive server of a communication configuration and administration company, and the exclusive server is designed to configure the communication information of each terminal device by the remote processing.Type: ApplicationFiled: June 25, 2003Publication date: April 1, 2004Inventors: Tsuyoshi Sakata, Hayashi Ito, Shun Matsuura, Yuichi Kobayakawa
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Publication number: 20040029529Abstract: The purpose of the server device and information processing device is to easily establish the most appropriate communications based on the unique information of the user. The server device (0203) has a section to receive the unique information that receives the unique information of the user (0210) and a section to manage the information about establishing communications that manages the information about establishing communications (0211), etc. The information processing device (0201) has a section to transmit the unique information (0204) that transmits the unique information and an information receiving section (0205) to receive the information about establishing communications, etc.Type: ApplicationFiled: May 28, 2003Publication date: February 12, 2004Inventors: Yuichi Kobayakawa, Tsuyoshi Sakata, Masao Ito, Atsushi Minemura, Shun Matsuura