Patents by Inventor Naoyuki Ikemizu
Naoyuki Ikemizu 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: 8690220Abstract: An inner panel of a lift gate includes an outer-frame forming portion comprising a pair of side edge frame portions including a pair of pillar portions and a lower end frame portion integrally formed at the side frame portions, an inner-frame forming portion formed at a lower edge portion of a window opening to connect to the outer-frame forming portion, and a panel portion covering over a portion enclosed by the outer-frame forming portion and the inner-frame forming portion. The panel portion comprises an outside panel portion provided to contact the outer panel and an inside panel portion integrally formed at the outside panel portion to connect to the outside panel portion and project toward a vehicle-compartment side beyond the outside panel portion and connects to the outer-frame forming portion and the inner-frame forming portion of said inner panel.Type: GrantFiled: February 29, 2012Date of Patent: April 8, 2014Assignees: Mazda Motor Corporation, DaikyoNishikawa CorporationInventors: Natsuki Tsukiyama, Koichi Matsumoto, Issei Harima, Naoyuki Ikemizu, Tsuyoshi Igura, Junichiro Yamashita
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Publication number: 20120248814Abstract: An inner panel of a lift gate includes an outer-frame forming portion comprising a pair of side edge frame portions including a pair of pillar portions and a lower end frame portion integrally formed at the side frame portions, an inner-frame forming portion formed at a lower edge portion of a window opening to connect to the outer-frame forming portion, and a panel portion covering over a portion enclosed by the outer-frame forming portion and the inner-frame forming portion. The panel portion comprises an outside panel portion provided to contact the outer panel and an inside panel portion integrally formed at the outside panel portion to connect to the outside panel portion and project toward a vehicle-compartment side beyond the outside panel portion and connects to the outer-frame forming portion and the inner-frame forming portion of said inner panel.Type: ApplicationFiled: February 29, 2012Publication date: October 4, 2012Applicants: DAIKYONISHIKAWA CORPORATION, MAZDA MOTOR CORPORATIONInventors: Natsuki TSUKIYAMA, Koichi MATSUMOTO, Issei HARIMA, Naoyuki IKEMIZU, Tsuyoshi IGURA, Junichiro YAMASHITA
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Patent number: 6805398Abstract: A structure of a tail gate is formed by bonding peripheral edge portions of an inner panel and an outer panel to each other, and covering a rear portion of a vehicle body so the tail gate is able to freely open and close. A cover is arranged in an inner side of the inner panel, and a lock apparatus is provided with a latch capable of engaging with a striker fixed to a vehicle body. The lock apparatus is disposed between the inner panel and the cover.Type: GrantFiled: March 13, 2003Date of Patent: October 19, 2004Assignee: GP Daikyo CorporationInventors: Issei Harima, Naoyuki Ikemizu, Koichiro Yamaguchi, Chikashi Kawamoto, Kimito Sato
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Publication number: 20030173796Abstract: According to the present invention, there is provided a structure of a tail gate formed by bonding peripheral edge portions and their vicinities of an inner panel and an outer panel to each other, and covering a rear portion of a vehicle body so as to freely open and close, wherein a cover is arranged in an inner side of said inner panel, and wherein a lock apparatus provided with a latch capable of engaging with a striker fixed to a vehicle body is disposed between said inner panel and said cover, thereby, it is possible to make it harder to carry out an illegal locking and unlocking operation with respect to a tail gate, with a relatively simple constitution and without increasing number of parts.Type: ApplicationFiled: March 13, 2003Publication date: September 18, 2003Applicant: G P Daikyo CorporationInventors: Issei Harima, Naoyuki Ikemizu, Koichiro Yamaguchi, Chikashi Kawamoto, Kimito Sato
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Patent number: 6145180Abstract: A vehicle assembly line has a first line for a first mobile conveyor and a second line for a second mobile conveyor and the first line is connected to the second line with two hanger conveyor lines. Two working robots are disposed to the first mobile conveyor, one being positioned within a cabin of an upper body section and the other being positioned in front of the upper body section. The second mobile conveyor has a mechanism for altering a posture of the upper body section and a height position thereof. To the upper body section are mounted various small parts such as grommets with the first working robot during the course of running the first mobile conveyor in the first line. The second line has plural stations for mounting larger parts such as bumpers to the upper body section which is loaded on the second mobile conveyor and whose posture and position are aligned with the working robots disposed in the plural stations before entering the stations.Type: GrantFiled: June 14, 1994Date of Patent: November 14, 2000Assignee: Mazda Motor CorporationInventors: Masamiti Kogai, Nobuo Kihara, Masahiro Osumi, Masakatsu Ohsugi, Yoshikazu Fujioka, Seikichi Yamamoto, Naoyuki Ikemizu
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Patent number: 5252364Abstract: Disclosed is the method for coating automotive vehicle bodies, in which the upper vehicle body section and the floor member, constituting a vehicle body of the automotive vehicle, are conveyed simultaneously by the same conveying device at least up to the undercoating step for coating them with an undercoating paint. After the undercoating step, the floor member are separated from the upper vehicle body section at an appropriate timing, followed by separate conveyance to the following step.Type: GrantFiled: January 22, 1992Date of Patent: October 12, 1993Assignee: Mazda Motor CorporationInventors: Hiroaki Inoue, Naoyuki Ikemizu
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Patent number: 4388355Abstract: A resinous molding for a vehicle body structure comprises a generally elongated body made of synthetic resin and having a cavity defined therein. The cavity extending inwardly from one surface of the elongated body and generally over the length of the molding. It also comprises a plurality of generally rectangular thin-walled flexible ribs integrally formed with the elongated body and protruding within the cavity from the bottom of the cavity with the longitudinal axis of each of the flexible ribs oriented generally widthwise of the molding. One side face of each of the flexible ribs opposite to the bottom of the cavity is adapted to be bonded to an outer surface of the vehicle body structure.Type: GrantFiled: April 5, 1982Date of Patent: June 14, 1983Assignee: Toyo Kogyo Co., Ltd.Inventor: Naoyuki Ikemizu
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Patent number: 4246628Abstract: A driving mechanism for selectively disposing retractable lamps of a motor vehicle pivotally connected to a body at a portion thereof, either in a housing or in an exposed position, which mechanism has a first paired link-rod to be driven by a motor, and a second paired link-rod pivotally interconnecting the first paired link-rod and the retractable lamp, with one end of the second link being pivotally connected to the body, wherein respective apparent longitudinal axes of the first and the second paired link-rod are arranged to be aligned when the retractable lamp is brought into the exposed position thereof. Additionally, an axis passing through one end of the second link pivotally connected to the body and a pivot joint at which the first rod is pivotally connected with the second link, and the apparent longitudinal axis of the first paired link-rod are further arranged to meet each other at right angles.Type: GrantFiled: October 11, 1978Date of Patent: January 20, 1981Assignees: Toyo Kogyo Co., Ltd., Tanaka Instrument Co., Ltd.Inventors: Naoyuki Ikemizu, Kiyohide Terada