Patents by Inventor Takashi Yuba
Takashi Yuba 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: 20140273637Abstract: A connector includes a connecting terminal, a fixed contact, a movable plate, a movable contact provided at an end of the movable plate, a card that includes an insulator and contacts the movable plate, a button that contacts the card, an opening spring connected to the button, and a sliding operation part that controls a contact between the fixed contact and the movable contact. When the sliding operation part is moved in a first direction, the movable contact is brought into contact with the fixed contact and the connector is turned on. When the sliding operation part is moved in a second direction opposite to the first direction, the movable contact is caused to move away from the fixed contact and the connector is turned off. The sliding operation part is provided on a surface that is different from a surface on which the connecting terminal is provided.Type: ApplicationFiled: August 10, 2012Publication date: September 18, 2014Inventors: SeungSeok Beak, Koichi Kiryu, Takashi Yuba, Daiei Iwamoto, Akio Nakamura, Masatoshi Noritake, Keiichi Hirose
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Patent number: 8823475Abstract: An electromagnetic relay includes multiple contact sets each including a fixed contact and a movable contact displaceable in a first direction to approach the fixed contact and in a second direction to move away from the fixed contact; multiple permanent magnets each provided on the peripheral side of a corresponding one of the contact sets and having a polarity direction perpendicular to the first and second directions; and multiple ferromagnetic bodies parallel to the polarity directions of the permanent magnets and the first and second directions, wherein in a DC electric current flowing through each of the contact sets, the direction of a force exerted based on the permanent magnet is equal to the direction of a force exerted based on the ferromagnetic body.Type: GrantFiled: March 20, 2014Date of Patent: September 2, 2014Assignee: Fujitsu Component LimitedInventors: Ryuji Sasaki, Takashi Yuba
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Publication number: 20140232489Abstract: An electromagnetic relay includes a contact that includes a fixed contact and a movable contact, a permanent magnet provided on the peripheral side of the contact, and a non-magnetic body. The movable contact is displaceable in a first direction to move toward the fixed contact and in a second direction to move away from the fixed contact. The permanent magnet has a polarity direction perpendicular to the first and second directions. The non-magnetic body faces toward the direction of a Lorentz force that acts based on the permanent magnet in a direct electric current flowing through the contact.Type: ApplicationFiled: April 25, 2014Publication date: August 21, 2014Applicants: FUJITSU COMPONENT LIMITED, NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITYInventors: Kazuo Kubono, Takashi Yuba, Yoichi Hasegawa, Takuji Murakoshi, Junya Sekikawa
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Patent number: 8809719Abstract: A switch device includes first and second contacting portions including first and second fixed contacting portions and first and second movable contacting portions configured to contact the first and second fixed contacting portions, respectively and provided to be adjacent from each other; and a magnet unit provided such that a first pole is positioned to face the first contacting portion and a second pole is positioned to face the second contacting portion to generate magnetic fields between the first fixed contacting portion and the first movable contacting portion and between the second fixed contacting portion and the second movable contacting portion, respectively.Type: GrantFiled: July 5, 2012Date of Patent: August 19, 2014Assignee: Fujitsu Component LimitedInventors: Daiei Iwamoto, Takashi Yuba, Koichi Kiryu, SeungSeok Beak, Akio Nakamura
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Publication number: 20140203897Abstract: An electromagnetic relay includes multiple contact sets each including a fixed contact and a movable contact displaceable in a first direction to approach the fixed contact and in a second direction to move away from the fixed contact; multiple permanent magnets each provided on the peripheral side of a corresponding one of the contact sets and having a polarity direction perpendicular to the first and second directions; and multiple ferromagnetic bodies parallel to the polarity directions of the permanent magnets and the first and second directions, wherein in a DC electric current flowing through each of the contact sets, the direction of a force exerted based on the permanent magnet is equal to the direction of a force exerted based on the ferromagnetic body.Type: ApplicationFiled: March 20, 2014Publication date: July 24, 2014Applicant: FUJITSU COMPONENT LIMITEDInventors: Ryuji Sasaki, Takashi Yuba
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Publication number: 20140187072Abstract: A connector includes a connecting terminal to be connected to another connecting terminal of another connector, a fixed contact, a movable contact provided at one end of a movable plate, a movable spring connected to the movable plate, and an operation part that moves according to an operation performed by an operator. The connecting terminal is connected to one of the fixed contact and the movable contact. The operation part applies a force to a part of the movable spring in a direction that is substantially parallel to a direction of a force applied to operate the operation part, and causes the movable contact to contact the fixed contact. The direction of the force applied to operate the operation part is substantially parallel to a direction in which the movable contact moves.Type: ApplicationFiled: August 10, 2012Publication date: July 3, 2014Applicants: NTT FACILITIES, INC., FUJITSU COMPONENT LIMITEDInventors: SeungSeok Beak, Koichi Kiryu, Takashi Yuba, Daiel Iwamato, Akio Nakamura, Masatoshi Noritake, Keiichi Hirose
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Publication number: 20140158511Abstract: A switch device includes a first contacting portion including a first fixed contact, a first movable contact contactable to the first fixed contact, and a first break contact, the first movable contact being configured to selectively contact one of the first fixed contact and the first break contact; a second contacting portion including a second fixed contact, a second movable contact contactable to the second fixed contact, and a second break contact, the second movable contact being configured to selectively contact one of the second fixed contact and the second break contact; and a mechanical switch that mechanically moves the first movable contact and the second movable contact toward the first fixed contact and the second fixed contact, and toward the first break contact and the second break contact, respectively.Type: ApplicationFiled: February 14, 2014Publication date: June 12, 2014Applicant: FUJITSU COMPONENT LIMITEDInventors: Takashi Yuba, Daiei Iwamoto, SeungSeok Beak, Koichi Kiryu, Akio Nakamura
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Patent number: 8717128Abstract: An electromagnetic relay includes multiple contact sets each including a fixed contact and a movable contact displaceable in a first direction to approach the fixed contact and in a second direction to move away from the fixed contact; multiple permanent magnets each provided on the peripheral side of a corresponding one of the contact sets and having a polarity direction perpendicular to the first and second directions; and multiple ferromagnetic bodies parallel to the polarity directions of the permanent magnets and the first and second directions, wherein in a DC electric current flowing through each of the contact sets, the direction of a force exerted based on the permanent magnet is equal to the direction of a force exerted based on the ferromagnetic body.Type: GrantFiled: June 11, 2013Date of Patent: May 6, 2014Assignee: Fujitsu Component LimitedInventors: Ryuji Sasaki, Takashi Yuba
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Patent number: 8704757Abstract: An input system executes an input to an information processing apparatus depending on the hand motion. Plural myoelectric sensors are provided on an area between a wrist of the person and bases of a second finger to a fifth finger, and detect myoelectric signals depending on the hand motion. A setting portion outputs at least one command to make the person execute at least one particular motion in a state where the myoelectric sensors are worn on the hand, and associates the detected myoelectric signals after the output of the command with the particular motion corresponding to the command. An input portion identifies the hand motion from myoelectric signals detected based on the hand motion after the termination of the association and the association result of the setting portion, and executes the input to the information processing apparatus depending on the identified hand motion.Type: GrantFiled: June 6, 2008Date of Patent: April 22, 2014Assignee: Fujitsu Component LimitedInventors: Shigemi Kurashima, Satoshi Sakurai, Takashi Yuba, Takuya Uchiyama, Masahiro Yanagi, Takashi Arita
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Patent number: 8704621Abstract: An electromagnetic relay includes: a main body including: a first cover; an electromagnet having a first terminal extending toward the outside from a bottom surface of the first cover; and a contact portion that opens and closes according to a magnetic attractive force of the electromagnet, and has a second terminal extending toward the outside from the bottom surface of the first cover; a cable line drawn out to the outside of the electromagnetic relay; and a printed circuit board that fixes the cable line to at least one of the first terminal and the second terminal by dip soldering, and electrically connects the cable line to the at least one of the first terminal and the second terminal.Type: GrantFiled: April 24, 2013Date of Patent: April 22, 2014Assignee: Fujitsu Component LimitedInventors: Yoichi Hasegawa, Takashi Yuba, Daiel Iwamoto
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Patent number: 8692634Abstract: A switch device includes first and second contacting portions including first and second fixed contacting portions, first and second movable contacting portions and first and second break contacting portions, respectively, the first fixed contacting portion and the second fixed contacting portion being configured to be electrically connected to one of a power source and an electronic device while the first movable contacting portion and the second movable contacting portion are configured to be electrically connected to the other of the power source and the electronic device; and a first magnet and a second magnet configured to generate magnetic fields between the first fixed contacting portion and the first movable contacting portion and between the second fixed contacting portion and the second movable contacting portion, respectively.Type: GrantFiled: July 5, 2012Date of Patent: April 8, 2014Assignee: Fujitsu Component LimitedInventors: Takashi Yuba, Daiei Iwamoto, SeungSeok Beak, Koichi Kiryu, Akio Nakamura
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Patent number: 8686817Abstract: An electromagnetic relay includes an electromagnet part, an actuating part, a contact part and a base for holding the electromagnet part, the actuating part and the contact part. The contact part includes a pair of fixed plates having one end fixed to the base and the other end to which a fixed contact is attached, a pair of movable springs having one end fixed to the base and the other end to which a movable contact is attached, and a connecting portion extending between the movable springs and electrically connecting the movable contacts to each other. The actuating part is actuated so as to press only a part of the movable springs inside an area defined between longitudinal axes extending between one end and the other end of the movable springs through the movable contact, when the contact part closes.Type: GrantFiled: August 29, 2012Date of Patent: April 1, 2014Assignee: Fujitsu Component LimitedInventors: Kazuo Kubono, Takashi Yuba, Satoshi Takano, Daiei Iwamoto
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Patent number: 8666371Abstract: An information providing system including a communication device; an information providing apparatus; and a mobile terminal device carried by a shopper to communicate by wireless communication with the communication device and to communicate via a network with the information providing apparatus. The information providing apparatus supplies information to the mobile terminal device via the network or via the communication device and the wireless communication.Type: GrantFiled: July 3, 2007Date of Patent: March 4, 2014Assignee: Fujitsu Component LimitedInventors: Takashi Yuba, Shigemi Kurashima, Masahiro Yanagi, Takashi Arita
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Patent number: 8664553Abstract: A switch device includes first and second contacting portions including first and second fixed contacting portions and first and second movable contacting portions, respectively, the first fixed contacting portion and the second fixed contacting portion being configured to be electrically connected to one of a power source and an electronic device while the first movable contacting portion and the second movable contacting portion are configured to be electrically connected to the other of the power source and the electronic device; a first electric arc runner provided near at least one of the first fixed contacting portion and the first movable contacting portion; and a second electric arc runner provided near at least one of the second fixed contacting portion and the second movable contacting portion.Type: GrantFiled: July 5, 2012Date of Patent: March 4, 2014Assignee: Fujitsu Component LimitedInventors: Takashi Yuba, Daiei Iwamoto, SeungSeok Beak, Koichi Kiryu, Akio Nakamura
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Patent number: 8573993Abstract: A connector includes a first connector and a second connector configured to engage with the first connector to establish electrical connection, wherein the first connector includes a first contact terminal, and the second connector includes: a second contact terminal configured to come in contact with the first contact terminal; a switch part connected to the second contact terminal and including a fixed part and a movable part; and a movable member capable of pushing the movable part toward the fixed part, wherein the movable member is pushed by the first connector when the first connector engages with the second connector, and the movable member pushes the movable part toward the fixed part to bring the movable part in contact with the fixed part.Type: GrantFiled: July 25, 2012Date of Patent: November 5, 2013Assignee: Fujitsu Component LimitedInventors: SeungSeok Beak, Koichi Kiryu, Takashi Yuba, Daiei Iwamoto, Akio Nakamura
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Publication number: 20130285774Abstract: An electromagnetic relay includes: a main body including: a first cover; an electromagnet having a first terminal extending toward the outside from a bottom surface of the first cover; and a contact portion that opens and closes according to a magnetic attractive force of the electromagnet, and has a second terminal extending toward the outside from the bottom surface of the first cover; a cable line drawn out to the outside of the electromagnetic relay; and a printed circuit board that fixes the cable line to at least one of the first terminal and the second terminal by dip soldering, and electrically connects the cable line to the at least one of the first terminal and the second terminal.Type: ApplicationFiled: April 24, 2013Publication date: October 31, 2013Applicant: Fujitsu Component LimitedInventors: Yoichi HASEGAWA, Takashi Yuba, Daiei Iwamoto
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Publication number: 20130278362Abstract: An electromagnetic relay includes: a yoke capable of changing a magnetic pole thereof by an electromagnet; an armature that is magnetized by a permanent magnet and contacts with or separates from the yoke in accordance with the magnetic pole of the yoke; a movable contact that contacts with a fixing contact; an elastic body that biases the movable contact; and a pressing member that presses the elastic body in accordance with a movement of the armature to cause the movable contact to at least contact with or separate from the fixing contact, wherein a cover fixing the permanent magnet and the armature, and the pressing member are integrally formed.Type: ApplicationFiled: April 3, 2013Publication date: October 24, 2013Applicant: FUJITSU COMPONENT LIMITEDInventors: Daiei IWAMOTO, Takashi Yuba
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Publication number: 20130271244Abstract: An electromagnetic relay includes multiple contact sets each including a fixed contact and a movable contact displaceable in a first direction to approach the fixed contact and in a second direction to move away from the fixed contact; multiple permanent magnets each provided on the peripheral side of a corresponding one of the contact sets and having a polarity direction perpendicular to the first and second directions; and multiple ferromagnetic bodies parallel to the polarity directions of the permanent magnets and the first and second directions, wherein in a DC electric current flowing through each of the contact sets, the direction of a force exerted based on the permanent magnet is equal to the direction of a force exerted based on the ferromagnetic body.Type: ApplicationFiled: June 11, 2013Publication date: October 17, 2013Applicant: FUJITSU COMPONENT LIMITEDInventors: Ryuji Sasaki, Takashi Yuba
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Publication number: 20130231007Abstract: There is provided a connector including a connection terminal to be connected to another connection terminal of another connector; a fixed contact; a movable contact provided on one button end portion of a movable plate; a card made of an insulating material and being in contact with the movable plate; a button in contact with the card; a swing spring connected to the button; and a slide operating portion for controlling a contact between the fixed contact and the movable contact, wherein one of the fixed contact and the movable contact is connected to the connection terminal, the button is pushed down by moving the slide operating portion in one direction to thereby move the movable plate via the card, the connector is in a turn-on state when the fixed contact is in contact with the movable contact, the swing spring generates restoring force in a direction of separating a contact between the fixed contact and the movable contact, and the movable contact is separated from the fixed contact so as to be in a tuType: ApplicationFiled: July 19, 2011Publication date: September 5, 2013Applicants: NTT FACILITIES, INC., FUJITSU COMPONENT LIMITEDInventors: Daiei Iwamoto, SeungSeok Beak, Takashi Yuba, Koichi Kiryu, Keiichi Hirose, Masatoshi Noritake
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Patent number: 8508477Abstract: An input apparatus that moves an instruction sign displayed on a display device to any position, the display device being connected to an information processing apparatus, including: an operation portion that includes a magnet, and operates the movement of the instruction sign; a restoration portion that is composed of an elastic member, supports the operation portion, and restores the operation portion to a reference position when the operation portion has inclined; magnetic members that are arranged at maximum displacement positions of the operation portion where an attractive force of the magnet exceeds the restoring force of the restoration portion; a detection portion that detects an inclined direction and an inclined angle of the operation portion; and an output portion that outputs the inclined direction and the inclined angle detected by the detection portion to the information processing apparatus.Type: GrantFiled: June 17, 2009Date of Patent: August 13, 2013Assignee: Fujitsu Component LimitedInventor: Takashi Yuba