Patents by Inventor Kenichi Okamoto
Kenichi Okamoto 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: 20140322973Abstract: A connector includes a housing, a terminal, a seal holder and fastening piece. The terminal is inserted into a terminal passing hole and a seal mounting hole of the housing and passes through an annular seal member. The terminal has a protruding tip part having a fastening hole and protruding from an outer surface of the housing. The seal holder includes a press fitting protrusion that is fit into the seal mounting hole and thereby pushes in and positions the annular seal member, a terminal leading hole that leads the terminal inserted into the press fitting protrusion, and an engagement recess that is formed at a leading end side of the terminal leading hole and is opened in a direction perpendicular to the leading direction of the terminal leading hole.Type: ApplicationFiled: April 25, 2014Publication date: October 30, 2014Applicant: YAZAKI CORPORATIONInventors: Kenichi OKAMOTO, Toshiyuki NAGASAWA
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Patent number: 8833420Abstract: Rubber-cord complex 9 having improved wet heat adhesive property between rubber and cord. The rubber-cord complex includes cord 10 comprising drawn plated wire 17 prepared by providing brass plated layer 16E on surface of element wire 15 and drawing the resulting plated wire and rubber 12 vulcanized and bonded to cord 10. The rubber-cord complex 9 has adhesion reaction layer 25 (formed by cross-linking sulfur and copper) between rubber 12 and brass plated layer 16E. Adhesion reaction layer 25 has average thickness of 50-1,000 nm. Interface S between adhesion reaction layer 25 and the rubber has a fractal dimension of 1.001-1.300 in a wet heat deterioration state after being subjected to vulcanization to bond rubber 12 thereto and being held at a temperature of 50-100° C. and a humidity of 60-100% for one hour to 20 days.Type: GrantFiled: February 17, 2012Date of Patent: September 16, 2014Assignees: Sumitomo Rubber Industries, Ltd., Nippon Steel & Sumitomo Metal Corporation, Sumitomo (SEI) Steel Wire Corp.Inventors: Shinichi Miyazaki, Junichi Kodama, Yasuo Sakai, Keisuke Aramaki, Yuichi Sano, Kenichi Okamoto
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Patent number: 8833419Abstract: A rubber-cord complex having an improved wet heat adhesive property between a rubber and a cord comprising a drawn plated wire, and including a metal cord comprising a drawn plated wire prepared by providing a brass plated layer on the surface of an element wire and drawing the resulting plated wire, and a rubber vulcanized and bonded to the cord, wherein in a wet heat deterioration state of the drawn plated wire after being subjected to the vulcanization to bond the rubber thereto and further held under an atmosphere having a temperature of 50 to 100° C. and a humidity of 60 to 100% for one hour to 20 days, the average grain size of crystal grains present in the brass plated layer is not more than 50 nm, and the grain boundary of the crystal grains has a fractal dimension of 1.001 to 1.500.Type: GrantFiled: February 15, 2012Date of Patent: September 16, 2014Assignees: Sumitomo Rubber Industries, Ltd., Nippon Steel & Sumitomo Metal Corporation, Sumitomo (SEI) Steel Wire Corp.Inventors: Shinichi Miyazaki, Junichi Kodama, Yasuo Sakai, Keisuke Aramaki, Yuichi Sano, Kenichi Okamoto
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Publication number: 20140186549Abstract: An object of the present invention is to provide a powder supply nozzle and an overlaying method which make it possible to restrain oxidation of a clad layer part and to produce a clad layer part with high quality. The invention provides a powder supply nozzle including: a laser emission part for irradiating a workpiece with a laser beam; and a powder supply part disposed in the periphery of the laser emission part and adapted to discharge a powder onto a laser-irradiated part, wherein a mechanism for guiding the air surrounding the laser-irradiated part to the exterior of the laser-irradiated part is provided in the periphery of the powder supply part.Type: ApplicationFiled: August 9, 2012Publication date: July 3, 2014Applicant: HITACHI, LTD.Inventors: Masanori Miyagi, Takeshi Tsukamoto, Hirotugu Kawanaka, Kenichi Okamoto
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Publication number: 20140164826Abstract: An in-vehicle electronic control device for diagnosing the details of an abnormality of a microcomputer appropriately is provided. A monitoring function for detecting a malfunction by monitoring input/output of a main function of a hardware part and a monitoring function for detecting an abnormality by monitoring the calculating result of a main function in a software part are provided in a microcomputer. The main function to be monitored is implemented with a different structure than the malfunction/abnormality monitoring function. Furthermore, a malfunction processing circuit for monitoring an abnormality of the microcomputer is provided outside the microcomputer.Type: ApplicationFiled: May 30, 2012Publication date: June 12, 2014Applicant: NSK LTD.Inventors: Yuho Aoki, Shuji Endo, Kenichi Okamoto
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Publication number: 20140106619Abstract: A shield connector to be able to improve liability of shield performance is provided. The shield connector is fixed to a metallic case having a housing including a terminal fitting and a shield shell formed of conductor provided the interior side of the housing, and the shield shell is formed in tube-shape to be able to surround a connection portion of the terminal fitting, one end of a grounding electric wire is connected to this shield shell, the grounding electric wire extends through a extending portion of the housing to the interior side of the metallic case, and the other end of the grounding electric wire is connected to an inner surface of the metallic case.Type: ApplicationFiled: October 3, 2013Publication date: April 17, 2014Applicant: YAZAKI CORPORATIONInventors: Kenichi Okamoto, Toshiyuki Nagasawa
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Publication number: 20140045377Abstract: A connecting structure of a shield braided part includes a shield shell that accommodates a connector housing which accommodates a terminal fitting connected to an end portion of an electric wire, and the shield shell including a tubular part which covers an outer periphery of the end portion of the electric wire, and a shield ring that is attached to an outer periphery of the tubular part of the shield shell and sandwiches an end portion of a tubular shield braided part covering the outer periphery of the electric wire between an outer peripheral face of the tubular part and the shield ring. A protruding part which protrudes toward the shield braided part is formed in the shield ring. A braided part insert hole is formed in the protruding part.Type: ApplicationFiled: October 17, 2013Publication date: February 13, 2014Applicant: Yazaki CorporationInventors: Kenichi OKAMOTO, Tomoharu SUZUKI
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Publication number: 20130277920Abstract: A waterproof plug includes a cylindrical resin member and a sealing section configured to include an outer circumference section which is provided on an outer face of the resin member and an inner circumference section which is provided on an inner face of the resin member. The outer circumference section intimately contacts to an inner wall face of a cavity of a connector housing, and the inner circumference section intimately contacts to an outer circumference face of an electric wire. An outer circumference face of the resin member is brought into contact with an inner wall face of an electric wire through hole of the connector housing. The resin member has a plurality of protruded claw sections protruding toward the inner circumference section side along a circumference direction of the resin member.Type: ApplicationFiled: August 3, 2011Publication date: October 24, 2013Applicant: YAZAKI CORPORATIONInventors: Masaki Kobayashi, Kenichi Okamoto
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Publication number: 20130264149Abstract: In an elevator apparatus, a car is suspended by a suspending means. A braking apparatus applies a braking force to the car by means of the suspending means. An excessive speed detection level that changes in response to car position is set in an excessive speed monitoring portion. The excessive speed monitoring portion makes the braking apparatus perform a braking operation when car speed reaches the excessive speed detection level. An anomalous acceleration detecting mechanism operates a safety device if acceleration that exceeds a preset set value arises in the car.Type: ApplicationFiled: April 1, 2011Publication date: October 10, 2013Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Kenichi Okamoto, Yoshikatsu Hayashi, Mineo Okada
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Publication number: 20130220739Abstract: In an elevator apparatus, a car is suspended by a suspending means. The car is raised and lowered by a driving apparatus by means of the suspending means. The car is braked by a braking apparatus. An abnormal acceleration detecting mechanism operates the braking apparatus to stop the car if acceleration that exceeds a preset set value arises in the car.Type: ApplicationFiled: November 1, 2010Publication date: August 29, 2013Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Mineo Okada, Kenichi Okamoto, Yoshikatsu Hayashi
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Patent number: 8418650Abstract: An inner electrode for barrier film formation is an inner electrode for barrier film formation that is inserted inside a plastic container having an opening, supplies a medium gas to the inside of the plastic container, and supplies high frequency power to an outer electrode arranged outside the plastic container, thereby generating discharge plasma on the inner surface of the plastic container to form a barrier film on the inner surface of the plastic container, and that is provided with a gas supply pipe having a gas flow path to supply a medium gas and an insulating member screwed into an end portion of the gas supply pipe to be flush therewith and having a gas outlet communicated with the gas flow path.Type: GrantFiled: September 9, 2011Date of Patent: April 16, 2013Assignee: Mitsubishi Heavy Industries Food & Packaging Machinery Co., Ltd.Inventors: Seiji Goto, Hideo Yamakoshi, Atsushi Ueda, Kenichi Okamoto, Yuji Asahara, Minoru Danno
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Patent number: 8408943Abstract: A connector includes a first assembly structure and a second assembly structure assembled together. The first assembly structure includes: a connector housing from which an electric wire is pulled out; a first shield shell fixed to the connector housing; and a first locking portion provided on any one of the connector housing and the first shield shell. The second assembly structure includes: a second shield shell having a guide configured to make pressure contact with a connection plate of the first shield shell in an assembled state; a second locking portion engaging with the first locking portion in the assembled state; a shield electric wire covering the electric wire; and an electric wire fastener fastening the shield electric wire to the second shield shell with the shield electric wire interposed between the electric wire fastener and the second shield shell.Type: GrantFiled: November 10, 2011Date of Patent: April 2, 2013Assignee: Yazaki CorporationInventor: Kenichi Okamoto
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Publication number: 20120319513Abstract: In a terminal block 10 which is interposed between a motor case 100 and an inverter case 200 placed in the motor case 100 and connects a motor input terminal to an inverter output terminal, an upper base 10U for accommodating an inverter side connecting terminal 20T connected to the inverter output terminal is fixed to the inverter case 200, and a lower base 10D for accommodating a motor side connecting terminal 20M is fixed to the motor case 100, and a waterproof and elastic member 60 is interposed between the upper base 10U and the lower base 10D and the motor side connecting terminal 20M is connected to the inverter side connecting terminal 20T by a flexible conductive member (a braided wire) 20H.Type: ApplicationFiled: March 4, 2011Publication date: December 20, 2012Applicant: YAZAKI CORPORATIONInventors: Kenichi Okamoto, Masaki Kobayashi
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Publication number: 20120295463Abstract: For connection and disconnection of both connectors with ease and assurance in a narrow work space and connection, and for disconnection of a safety circuit unit without mistakes and in a saved-space, a low-insertion-force connector assembly 53 is provided with one connector receiving the one terminal and other connector 27 receiving a mating terminal, wherein the one connector includes a driving lever 6 having a rotative circular-arc-shaped gear part 13, and, pivotally supported along a wall part 17 of the one connector, a gear wheel part 11 engaged with the gear part, and a gear member 4 having a spiral groove engaged with a driven projection 37 of the other connector, wherein the safety circuit unit 8 is slidably disposed in the one connector, a small connector 38 for connection is disposed in the other connector, thereby the driving lever 6, at a provisional position, prevents the safety circuit unit from rotating in a connecting direction of the safety circuit unit, and, at a connecting position, allowsType: ApplicationFiled: December 14, 2010Publication date: November 22, 2012Applicant: Yazaki CorporationInventors: Kenichi Okamoto, Ayumu Ishikawa, Sachiko Yagome
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Publication number: 20120199259Abstract: Rubber-cord complex 9 having improved wet heat adhesive property between rubber and cord. The rubber-cord complex includes cord 10 comprising drawn plated wire 17 prepared by providing brass plated layer 16E on surface of element wire 15 and drawing the resulting plated wire and rubber 12 vulcanized and bonded to cord 10. The rubber-cord complex 9 has adhesion reaction layer 25 (formed by cross-linking sulfur and copper) between rubber 12 and brass plated layer 16E. Adhesion reaction layer 25 has average thickness of 50-1,000 nm. Interface S between adhesion reaction layer 25 and the rubber has a fractal dimension of 1.001-1.300 in a wet heat deterioration state after being subjected to vulcanization to bond rubber 12 thereto and being held at a temperature of 50-100° C. and a humidity of 60-100% for one hour to 20 days.Type: ApplicationFiled: February 17, 2012Publication date: August 9, 2012Inventors: Shinichi Miyazaki, Junichi Kodama, Yasuo Sakai, Keisuke Aramaki, Yuichi Sano, Kenichi Okamoto
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Publication number: 20120145297Abstract: A rubber-cord complex having an improved wet heat adhesive property between a rubber and a cord comprising a drawn plated wire, and including a metal cord comprising a drawn plated wire prepared by providing a brass plated layer on the surface of an element wire and drawing the resulting plated wire, and a rubber vulcanized and bonded to the cord, wherein in a wet heat deterioration state of the drawn plated wire after being subjected to the vulcanization to bond the rubber thereto and further held under an atmosphere having a temperature of 50 to 100° C. and a humidity of 60 to 100% for one hour to 20 days, the average grain size of crystal grains present in the brass plated layer is not more than 50 nm, and the grain boundary of the crystal grains has a fractal dimension of 1.001 to 1.500.Type: ApplicationFiled: February 15, 2012Publication date: June 14, 2012Inventors: Shinichi Miyazaki, Junichi Kodama, Yasuo Sakai, Keisuke Aramaki, Yuichi Sano, Kenichi Okamoto
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Publication number: 20120122341Abstract: A connector includes a first assembly structure and a second assembly structure assembled together. The first assembly structure includes: a connector housing from which an electric wire is pulled out; a first shield shell fixed to the connector housing; and a first locking portion provided on any one of the connector housing and the first shield shell. The second assembly structure includes: a second shield shell having a guide configured to make pressure contact with a connection plate of the first shield shell in an assembled state; a second locking portion engaging with the first locking portion in the assembled state; a shield electric wire covering the electric wire; and an electric wire fastener fastening the shield electric wire to the second shield shell with the shield electric wire interposed between the electric wire fastener and the second shield shell.Type: ApplicationFiled: November 10, 2011Publication date: May 17, 2012Inventor: Kenichi OKAMOTO
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Publication number: 20120000771Abstract: An inner electrode for barrier film formation is an inner electrode for barrier film formation that is inserted inside a plastic container having an opening, supplies a medium gas to the inside of the plastic container, and supplies high frequency power to an outer electrode arranged outside the plastic container, thereby generating discharge plasma on the inner surface of the plastic container to form a barrier film on the inner surface of the plastic container, and that is provided with a gas supply pipe having a gas flow path to supply a medium gas and an insulating member screwed into an end portion of the gas supply pipe to be flush therewith and having a gas outlet communicated with the gas flow path.Type: ApplicationFiled: September 9, 2011Publication date: January 5, 2012Inventors: Seiji GOTO, Hideo Yamakoshi, Atsushi Ueda, Kenichi Okamoto, Yuji Asahara, Minoru Danno
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Publication number: 20110316372Abstract: An inverter terminal board and packing capable of performing a packing function even when variations due to assembly tolerances of a motor and an inverter are great and large relative movement occurs between the inverter and the motor are provided. In an inverter terminal board 10 including an electric conductor 20 which has an inverter side connecting terminal 20T attached to a case of a motor and a connector terminal 20C for supplying power to a power receiving terminal of the motor and is made by connecting the connecting terminal 20T to the connector terminal 20C, the inverter terminal board in which the connector terminal 20C has a flat plate shape and packing 30 is attached over the entire periphery of the connector terminal 20C, a wall thickness of a portion abutting on a flat plate side of the flat plate-shaped terminal in the entire periphery of the packing 30 is made thicker than a wall thickness of the other portion.Type: ApplicationFiled: November 5, 2010Publication date: December 29, 2011Applicant: YAZAKI CORPORATIONInventors: Masaki Kobayashi, Kenichi Okamoto
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Publication number: 20110316373Abstract: A vibration-resistant inverter terminal board capable of sufficiently exerting a sealing effect on vibration even in the case of great variations due to assembly tolerances of a motor and an inverter is provided. In an inverter terminal board including an electric conductor 20 having an inverter side connecting terminal 20T connected to an inverter terminal of an inverter attached to a case of a motor, a motor side connecting terminal 20C for supplying power to a power receiving terminal of the motor, and a braided wire 20H for connecting the inverter side connecting terminal 20T to the motor side connecting terminal 20C, a flat plate-shaped long terminal is used as the motor side connecting terminal 20C and the entire periphery of the flat plate-shaped long terminal is covered with packing 30.Type: ApplicationFiled: November 5, 2010Publication date: December 29, 2011Applicant: YAZAKI CORPORATIONInventors: Masaki Kobayashi, Kenichi Okamoto