Patents by Inventor Katsumi Nagahori
Katsumi Nagahori 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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Patent number: 9003920Abstract: A pedal arm provided with an arm main body has a first end portion, a second end portion, a pedal pad portion, and a shaft portion. The arm main body includes a first wall portion and a second wall portion in a first direction, and a third wall portion and a fourth wall portion in a second direction. One of the first wall portion and the second wall portion includes an abutting portion where the first end portion and the second end portion contacts, and the third wall portion and the fourth wall portion include a first curved portion and a second curved portion. A first depressed wall portion and a second depressed wall portion are formed on the first curved portion and the second curved portion, which are formed in inward convex shapes, respectively, and parts of the first depressed wall portion and the second depressed wall portion contact.Type: GrantFiled: April 19, 2011Date of Patent: April 14, 2015Assignee: F-Tech Inc.Inventors: Katsumi Nagahori, Tohru Izu, Shuichi Inoue, Takanori Matsumura
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Patent number: 8523274Abstract: A front end of a left member having a first plate thickness, and a left end of a lateral member having a third plate thickness are welded together while defining a first weld line, and a front end of a right member having a second plate thickness and a right end of the lateral member are welded together while defining a second weld line. The first plate thickness and the second plate thickness are thinner than the third plate thickness, and a support bracket that supports an auxiliary equipment is fitted to the lateral member. The first weld line and the second weld line are respectively positioned outer side of the vehicle body with respect to a fitted position of the support bracket, so as not to overlap on the fitted position in the lateral member where the support bracket is fitted to the lateral member.Type: GrantFiled: February 14, 2013Date of Patent: September 3, 2013Assignee: F-Tech Inc.Inventors: Katsumi Nagahori, Naohiro Noma, Kou Satou
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Patent number: 8414002Abstract: A vehicular L-type suspension arm is provided in which a wheel support part is provided on one end part of an arm main body, and a first vehicle body side linking portion and a second vehicle body side linking portion are provided in an intermediate part and on the other end part thereof respectively, wherein an arm main body (A) includes an upper half body (AU) having an inverted U-shaped cross-section and a lower half body (AL) that blocks the lower open end of the upper half body (AU), a first vehicle body side linking portion (AF1) is formed from front and rear support plates (SF, SR) each formed by press forming a plate material, these front and rear support plates (SF, SR) have base parts (SFa, Sra) that are integrally joined to each other, the base ends thereof being welded to an outside part of the arm main body (A), extremity parts (SFb, SRb) of the front and rear support plates (SF, SR) are arranged so as to be spaced from each other in the vehicle body fore-and-aft direction, and cylindrical bush sType: GrantFiled: November 4, 2009Date of Patent: April 9, 2013Assignee: F. Tech IncorporationInventors: Xiao Yu, Bing Liu, Hiroyuki Watanabe, Katsumi Nagahori, Mitsuru Inoue
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Patent number: 8414003Abstract: A vehicular L-type suspension arm is provided in which a wheel support part is provided on one end part of an arm main body, and a first vehicle body side linking portion and a second vehicle body side linking portion are provided in an intermediate part and on the other end part thereof respectively, wherein an arm main body (A) includes an upper half body (AU) that is formed so as to have an inverted U-shaped cross-section and a lower half body (AL) that is formed by press forming a plate material in a shape that blocks the lower open end of the upper half body (AU) and is welded by welds (w1) to inner faces of a pair of side wall parts 2 of the upper half body (AU), at the other end part of the arm main body (A) the lower half body (AL) extends lengthwise further outward than the upper half body (AU), an upwardly facing cylindrical bush support part (P2) is formed by burring integrally with the extended part (Ale) so that it is the second vehicle body side connecting portion (AF2), and an outer peripheralType: GrantFiled: November 4, 2009Date of Patent: April 9, 2013Assignee: F. Tech IncorporationInventors: Xiao Yu, Bing Liu, Hiroyuki Watanabe, Katsumi Nagahori, Mitsuru Inoue
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Publication number: 20110298192Abstract: A vehicular L-type suspension arm is provided in which a wheel support part is provided on one end part of an arm main body, and a first vehicle body side linking portion and a second vehicle body side linking portion are provided in an intermediate part and on the other end part thereof respectively, wherein an arm main body (A) includes an upper half body (AU) that is formed so as to have an inverted U-shaped cross-section and a lower half body (AL) that is formed by press forming a plate material in a shape that blocks the lower open end of the upper half body (AU) and is welded by welds (w1) to inner faces of a pair of side wall parts 2 of the upper half body (AU), at the other end part of the arm main body (A) the lower half body (AL) extends lengthwise further outward than the upper half body (AU), an upwardly facing cylindrical bush support part (P2) is formed by burring integrally with the extended part (Ale) so that it is the second vehicle body side connecting portion (AF2), and an outer peripheralType: ApplicationFiled: November 4, 2009Publication date: December 8, 2011Inventors: Xiao Yu, Bing Liu, Hiroyuki Watanabe, Katsumi Nagahori, Mitsuru Inoue
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Publication number: 20110285102Abstract: A vehicular L-type suspension arm is provided in which a wheel support part is provided on one end part of an arm main body, and a first vehicle body side linking portion and a second vehicle body side linking portion are provided in an intermediate part and on the other end part thereof respectively, wherein an arm main body (A) includes an upper half body (AU) having an inverted U-shaped cross-section and a lower half body (AL) that blocks the lower open end of the upper half body (AU), a first vehicle body side linking portion (AF1) is formed from front and rear support plates (SF, SR) each formed by press forming a plate material, these front and rear support plates (SF, SR) have base parts (SFa, Sra) that are integrally joined to each other, the base ends thereof being welded to an outside part of the arm main body (A), extremity parts (SFb, SRb) of the front and rear support plates (SF, SR) are arranged so as to be spaced from each other in the vehicle body fore-and-aft direction, and cylindrical bush sType: ApplicationFiled: November 4, 2009Publication date: November 24, 2011Inventors: Xiao Yu, Bing Liu, Hiroyuki Watanabe, Katsumi Nagahori, Mitsuru Inoue
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Publication number: 20110252919Abstract: A pedal arm is provided with an arm main body that is a tubular-shaped member formed by bending a plate member having a first end portion and a second end portion, a pedal pad portion provided on the arm main body, and a shaft portion provided on the arm main body. The arm main body includes a first wall portion and a second wall portion facing each other in a first direction, and a third wall portion and a fourth wall portion facing each other in a second direction that is different from the first direction. One of the first wall portion and the second wall portion includes an abutting portion at which the first end portion and the second end portion of the plate member are brought into contact with each other, and the third wall portion and the fourth wall portion correspondingly include a first curved portion and a second curved portion, which are curved in parallel to each other with a same curvature along an extending direction of the arm main body.Type: ApplicationFiled: April 19, 2011Publication date: October 20, 2011Applicant: F. TECH INCORPORATIONInventors: Katsumi Nagahori, Tohru Izu, Shuichi Inoue, Takanori Matsumura
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Publication number: 20110252595Abstract: A fitting member is provided with a first end portion, a second end portion facing to the first end portion, and a fitting structure having a first engagement portion and a second engagement portion to connect the first end portion and the second end portion with each other by fitting the first engagement portion and the second engagement portion with each other. The fitting structure is defined by making the first engagement portion and the second engagement portion engaged with each other, while making the second engagement portion formed by punching a preform body of the fitting member through the first engagement portion.Type: ApplicationFiled: April 19, 2011Publication date: October 20, 2011Applicant: F. TECH INCORPORATIONInventors: Katsumi Nagahori, Tohru Izu