Patents by Inventor Taijiro Fujiwara
Taijiro Fujiwara 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: 20230282993Abstract: The present invention facilitates making electrical connections. In this terminal block, when an electric wire is inserted in a housing, the end of the electric wire pushes in a block part of a movable member, and a contact part of a locking member with the block part interposed therebetween, thereby releasing the locking of a leaf spring moving part by a hook part of the locking member, and the electric wire is secured by the leaf spring moving part, and the degree to which a display part of the movable member moving in conjunction with the block part is visible through a window part changes according to the change in position of the display part.Type: ApplicationFiled: November 9, 2020Publication date: September 7, 2023Applicant: OMRON CorporationInventors: Masao NAGASE, Taijiro FUJIWARA, Masato MATOBA, Hirokazu HOSHINO
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Patent number: 11011871Abstract: A connector is provided with a locking portion having hook portions extending in the first direction, arranged at intervals around the first direction, and capable of being resilient deformation in a second direction intersecting the first direction and away from the connector main body, and a holding portion having a tubular shape encircling the locking portion around the first direction and having a screw groove portion provided on an inner peripheral surface at an end portion in the first direction and adjacent to a connection portion. The holding portion is moveable between a holding position where the holding portion holds the locking portion locked to a to-be-locked portion of a first mating connector, a hold releasing position where the holding portion releases the holding of the locking portion, and a fitting position where the screw groove portion is fitted to a screw thread portion of a second mating connector.Type: GrantFiled: March 6, 2019Date of Patent: May 18, 2021Assignee: OMRON CorporationInventors: Taijiro Fujiwara, Hirokazu Hoshino, Masao Nagase
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Patent number: 10978822Abstract: A connector is provided with a cable that includes a conductor and an insulation, connector bodies that are provided on one ends in an extending direction of the cable, and a cover unit that covers and integrates each of the one ends of the cable and each of the connector bodies. The cable includes a first cohesion unit provided on a surface of the insulation at each of one ends over an entire circumference around the extending direction of the cable, and fixed to the cover unit so as to be detachable by cohesive fracture.Type: GrantFiled: November 2, 2018Date of Patent: April 13, 2021Assignee: OMRON CorporationInventors: Hirokazu Hoshino, Taijiro Fujiwara, Masato Matoba, Masaki Nakamura, Masaru Higuchi, Hiroshi Okuyama
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Patent number: 10944188Abstract: A terminal block includes a display-use moveable member which has a main body portion that can reciprocate in the direction intersecting a terminal connection surface and a contact moveable portion that extends along a guide surface, has a first end portion in an extension direction that is disposed so as to come into contact with a conductor portion in an electric wire passage portion and move in a first direction away from the terminal connection surface, and has a second end portion in the extension direction that is connected to the main body portion, and moves in an array direction in response to movement of the first end portion in the first direction to move the main body portion in a second direction toward the terminal connection surface.Type: GrantFiled: March 6, 2019Date of Patent: March 9, 2021Assignee: OMRON CorporationInventors: Masahiro Ono, Masato Matoba, Kiyotaka Hashimoto, Taijiro Fujiwara, Hirokazu Hoshino, Masao Nagase, Masami Nishida
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Publication number: 20200243989Abstract: A terminal block includes a display-use moveable member which has a main body portion that can reciprocate in the direction intersecting a terminal connection surface and a contact moveable portion that extends along a guide surface, has a first end portion in an extension direction that is disposed so as to come into contact with a conductor portion in an electric wire passage portion and move in a first direction away from the terminal connection surface, and has a second end portion in the extension direction that is connected to the main body portion, and moves in an array direction in response to movement of the first end portion in the first direction to move the main body portion in a second direction toward the terminal connection surface.Type: ApplicationFiled: March 6, 2019Publication date: July 30, 2020Applicant: OMRON CorporationInventors: Masahiro ONO, Masato MATOBA, Kiyotaka HASHIMOTO, Taijiro FUJIWARA, Hirokazu HOSHINO, Masao NAGASE, Masami NISHIDA
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Publication number: 20200227861Abstract: A connector is provided with a locking portion having hook portions extending in the first direction, arranged at intervals around the first direction, and capable of being resilient deformation in a second direction intersecting the first direction and away from the connector main body, and a holding portion having a tubular shape encircling the locking portion around the first direction and having a screw groove portion provided on an inner peripheral surface at an end portion in the first direction and adjacent to a connection portion. The holding portion is moveable between a holding position where the holding portion holds the locking portion locked to a to-be-locked portion of a first mating connector, a hold releasing position where the holding portion releases the holding of the locking portion, and a fitting position where the screw groove portion is fitted to a screw thread portion of a second mating connector.Type: ApplicationFiled: March 6, 2019Publication date: July 16, 2020Applicant: OMRON CorporationInventors: Taijiro FUJIWARA, Hirokazu HOSHINO, Masao NAGASE
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Publication number: 20200176921Abstract: A connector is provided with a cable that includes a conductor and an insulation, connector bodies that are provided on one ends in an extending direction of the cable, and a cover unit that covers and integrates each of the one ends of the cable and each of the connector bodies. The cable includes a first cohesion unit provided on a surface of the insulation at each of one ends over an entire circumference around the extending direction of the cable, and fixed to the cover unit so as to be detachable by cohesive fracture.Type: ApplicationFiled: November 2, 2018Publication date: June 4, 2020Applicant: OMRON CorporationInventors: Hirokazu HOSHINO, Taijiro FUJIWARA, Masato MATOBA, Masaki NAKAMURA, Masaru HIGUCHI, Hiroshi OKUYAMA
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Patent number: 10103460Abstract: The terminal block includes a movable operation feeling generating member (60) which generates an operation feeling according insertion of a conductor portion into an accommodating portion (12) from a first opening portion (111), and a first protruding portion (63) disposed in the accommodating portion to be capable of coming into contact with the movable operation feeling generating member being rotated by the insertion of the conductor portion into the accommodating portion from the first opening portion after the conductor portion and a terminal electrode portion (20) are changed from the non-connected state to the connected state. The movable operation feeling generating member includes a first contact portion (61) capable of coming into contact with the conductor portion inserted into the accommodating portion, and a second contact portion (62) which has a second protruding portion (70) generating the operation feeling by coming into contact with the first protruding portion (63).Type: GrantFiled: November 17, 2017Date of Patent: October 16, 2018Assignee: OMRON CorporationInventors: Masahiro Ono, Taijiro Fujiwara
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Patent number: 10074917Abstract: A terminal block includes a state display portion which displays whether a conductor portion and a terminal electrode portion are in a connected state or a non-connected state at a third opening portion and a movable display member. The movable display member has a main body portion capable of reciprocating in a direction intersecting a terminal connection surface, a contact portion capable of coming into contact with a conductor portion inserted from a first opening portion into an accommodating portion, a force transmitting portion which moves the main body portion toward the terminal connection surface when the conductor portion is inserted from the first opening portion to the accommodating portion, and rotating mechanism portions which rotate the state display portion so that display of the state display portion can be changed between a connected state and a non-connected state in accordance with the reciprocating movement of the main body portion.Type: GrantFiled: November 17, 2017Date of Patent: September 11, 2018Assignee: OMRON CorporationInventors: Masahiro Ono, Taijiro Fujiwara, Kazuaki Morita, Hiroyasu Komeyama
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Publication number: 20180248283Abstract: The terminal block includes a movable operation feeling generating member (60) which generates an operation feeling according insertion of a conductor portion into an accommodating portion (12) from a first opening portion (111), and a first protruding portion (63) disposed in the accommodating portion to be capable of coming into contact with the movable operation feeling generating member being rotated by the insertion of the conductor portion into the accommodating portion from the first opening portion after the conductor portion and a terminal electrode portion (20) are changed from the non-connected state to the connected state. The movable operation feeling generating member includes a first contact portion (61) capable of coming into contact with the conductor portion inserted into the accommodating portion, and a second contact portion (62) which has a second protruding portion (70) generating the operation feeling by coming into contact with the first protruding portion (63).Type: ApplicationFiled: November 17, 2017Publication date: August 30, 2018Applicant: OMRON CorporationInventors: Masahiro ONO, Taijiro FUJIWARA
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Publication number: 20180248282Abstract: A terminal block includes a state display portion which displays whether a conductor portion and a terminal electrode portion are in a connected state or a non-connected state at a third opening portion and a movable display member. The movable display member has a main body portion capable of reciprocating in a direction intersecting a terminal connection surface, a contact portion capable of coming into contact with a conductor portion inserted from a first opening portion into an accommodating portion, a force transmitting portion which moves the main body portion toward the terminal connection surface when the conductor portion is inserted from the first opening portion to the accommodating portion, and rotating mechanism portions which rotate the state display portion so that display of the state display portion can be changed between a connected state and a non-connected state in accordance with the reciprocating movement of the main body portion.Type: ApplicationFiled: November 17, 2017Publication date: August 30, 2018Applicant: OMRON CorporationInventors: Masahiro ONO, Taijiro FUJIWARA, Kazuaki MORITA, Hiroyasu KOMEYAMA
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Patent number: 9819121Abstract: A screwless terminal block allows easy insertion and removal of a wire. A housing (2) includes a fixture insertion opening (23) through which a rod-like fixture (6) is inserted to come in contact with a contact pressure spring (4) and deform the spring (4) away from a wire (5). When the fixture (6) is inserted through the fixture insertion opening (23), an acute angle of 45° or less is formed by an axis of the fixture (6) and a straight line connecting a contact point A between the housing (2) and a part of the fixture (6) adjacent to the wire insertion opening (24) and a contact point B between the housing (2) and a part of the fixture (6) adjacent to the spring (4) at a cross-section taken along a plane including the axis of the fixture (6) and parallel to a pressing direction of the spring (4).Type: GrantFiled: December 19, 2016Date of Patent: November 14, 2017Assignee: OMRON CORPORATIONInventors: Kenichiro Masaki, Keisuke Yano, Hiroshi Hashimoto, Yoshikazu Tajiri, Tomokazu Ikeda, Shinya Tsuji, Taijiro Fujiwara, Masahiro Ono, Masao Nagase, Yusuke Komoguchi
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Patent number: 9774133Abstract: A screwless terminal block allows easy insertion and removal of a wire. A housing (2) includes a fixture insertion opening (23) through which a rod-like fixture (6) is inserted to come in contact with a contact pressure spring (4) and deform the spring (4) away from a wire (5). When the fixture (6) is inserted through the fixture insertion opening (23), an acute angle of 45° or less is formed by an axis of the fixture (6) and a straight line connecting a contact point A between the housing (2) and a part of the fixture (6) adjacent to the wire insertion opening (24) and a contact point B between the housing (2) and a part of the fixture (6) adjacent to the spring (4) at a cross-section taken along a plane including the axis of the fixture (6) and parallel to a pressing direction of the spring (4).Type: GrantFiled: December 19, 2016Date of Patent: September 26, 2017Assignee: OMRON CORPORATIONInventors: Kenichiro Masaki, Keisuke Yano, Hiroshi Hashimoto, Yoshikazu Tajiri, Tomokazu Ikeda, Shinya Tsuji, Taijiro Fujiwara, Masahiro Ono, Masao Nagase, Yusuke Komoguchi
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Publication number: 20170256882Abstract: A screwless terminal block allows easy insertion and removal of a wire. A housing (2) includes a fixture insertion opening (23) through which a rod-like fixture (6) is inserted to come in contact with a contact pressure spring (4) and deform the spring (4) away from a wire (5). When the fixture (6) is inserted through the fixture insertion opening (23), an acute angle of 45° or less is formed by an axis of the fixture (6) and a straight line connecting a contact point A between the housing (2) and a part of the fixture (6) adjacent to the wire insertion opening (24) and a contact point B between the housing (2) and a part of the fixture (6) adjacent to the spring (4) at a cross-section taken along a plane including the axis of the fixture (6) and parallel to a pressing direction of the spring (4).Type: ApplicationFiled: December 19, 2016Publication date: September 7, 2017Applicant: OMRON CorporationInventors: Kenichiro MASAKI, Keisuke YANO, Hiroshi HASHIMOTO, Yoshikazu TAJIRI, Tomokazu IKEDA, Shinya TSUJI, Taijiro FUJIWARA, Masahiro ONO, Masao NAGASE, Yusuke KOMOGUCHI
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Patent number: 9735498Abstract: Provided is an electronic device that is highly resistant to a water-soluble grinding oil and a method for manufacturing the same. An electronic device includes a main body and a cable including a lead wire, an insulating portion, and an outer coat, a first sealing portion that covers the insulating portion, and a second sealing portion that seals the first sealing portion, the insulating portion is made of a material that is more resistant to a water-soluble grinding oil than the outer coat is, and the first sealing portion is made of a material that has higher adherence to the insulating portion than that of the second sealing portion does.Type: GrantFiled: November 25, 2016Date of Patent: August 15, 2017Assignee: OMRON CorporationInventors: Shinya Katsube, Taijiro Fujiwara, Masaki Nakamura
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Publication number: 20170187144Abstract: Provided is an electronic device that is highly resistant to a water-soluble grinding oil and a method for manufacturing the same. An electronic device includes a main body and a cable including a lead wire, an insulating portion, and an outer coat, a first sealing portion that covers the insulating portion, and a second sealing portion that seals the first sealing portion, the insulating portion is made of a material that is more resistant to a water-soluble grinding oil than the outer coat is, and the first sealing portion is made of a material that has higher adherence to the insulating portion than that of the second sealing portion does.Type: ApplicationFiled: November 25, 2016Publication date: June 29, 2017Applicant: OMRON CorporationInventors: Shinya KATSUBE, Taijiro FUJIWARA, Masaki NAKAMURA
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Patent number: 7824204Abstract: A connector includes a plug and a socket that are connected and integrated to each other. The plug and socket each have an end to which a connection line may be respectively connected. The plug of the connector includes a plug body for connecting to the connection line and having a fitting recess on one end, a plug holder configured to be freely rotatably fitted over the plug body without slipping, and a stopper fitting configured to be freely rotatably fitted over the plug body and slidable in the shaft center direction. The socket of the connector includes a socket body for connecting to the connection line at one end and a socket holder. The socket body has an insertion portion configured so as to fit into the fitting recess of the plug body. The socket holder is configured to be freely rotatably fitted over the socket body without slipping.Type: GrantFiled: September 7, 2006Date of Patent: November 2, 2010Assignee: OMRON CorporationInventors: Taijiro Fujiwara, Ryoichi Takeuchi, Hisakazu Yamada, Atsushi Yokoigawa
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Patent number: 7727021Abstract: A connector has a plug connected to a first electric cable, and having a pin terminal and a plug holder, a socket connected to a second electric cable, and having a socket terminal and a socket holder, and a first tubular shield member and a second tubular shield member. The pin terminal of the plug is press-fitted and electrically connected to the socket terminal of the socket. The plug holder is connected to the socket holder. A first end of the first tubular shield member is electrically connected to a shield wire of the first electric cable. An elastic arm formed at an opening edge at a second end of the first tubular shield member is contacted to a conductive inner peripheral surface of the plug holder. A first end of the second tubular shield member is electrically connected to a shield wire of the second electric cable. An elastic arm of formed at an opening edge a second end of the second tubular shield member is contacted to a conductive inner peripheral surface of the socket holder.Type: GrantFiled: April 9, 2009Date of Patent: June 1, 2010Assignee: OMRON CorporationInventors: Tomoyuki Haruna, Motoyuki Tomizu, Junichiro Kumagai, Kazuki Hayashi, Taijiro Fujiwara, Norihiro Otsu
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Patent number: D703142Type: GrantFiled: August 28, 2012Date of Patent: April 22, 2014Assignee: OMRON CorporationInventors: Hirokazu Hoshino, Taijiro Fujiwara, Masahiro Ono
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Patent number: D721039Type: GrantFiled: February 21, 2014Date of Patent: January 13, 2015Assignee: OMRON CorporationInventors: Hirokazu Hoshino, Taijiro Fujiwara, Masahiro Ono