Patents by Inventor Koichi DAIGAKU
Koichi DAIGAKU 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: 10053156Abstract: A vehicle front portion structure has: a suspension member provided at a vehicle lower side of side members and supported by the side members, the suspension member having a main body portion that extends in a vehicle transverse direction, and a pair of left and right arm portions, each of which extends toward a vehicle front side from a vehicle transverse direction end portion of the main body portion; a front cross member connecting a distal end portion of one of the arm portions and a distal end portion of another of the arm portions in the vehicle transverse direction; and a pair of left and right braces extending obliquely toward vehicle transverse direction outer sides while heading toward a vehicle rear side, front end portions of the braces being joined to the front cross member, and rear end portions of the braces being joined to the arm portions.Type: GrantFiled: April 4, 2016Date of Patent: August 21, 2018Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Koichi Daigaku
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Patent number: 10029737Abstract: A floor panel has: a floor panel main body whose central portion and both outer side portions in a vehicle transverse direction are joined together, and that is formed by plural plate members being joined together at the central portion and the both outer side portions in the vehicle transverse direction. Among the second joining portions, a position of a central joining portion at the central portion in the vehicle transverse direction of the floor panel main body is offset in the vehicle longitudinal direction with respect to positions of outer side joining portions at the both outer side portions in the vehicle transverse direction of the floor panel main body. A different-type member joining portion, which is formed by plate members being joined together, is provided at at least one of the central portion, one of the outer side portions, and another of the outer side portions.Type: GrantFiled: June 2, 2017Date of Patent: July 24, 2018Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Koichi Daigaku
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Publication number: 20180099700Abstract: A floor panel has: a floor panel main body whose central portion and both outer side portions in a vehicle transverse direction are joined together, and that is formed by plural plate members being joined together at the central portion and the both outer side portions in the vehicle transverse direction. Among the second joining portions, a position of a central joining portion at the central portion in the vehicle transverse direction of the floor panel main body is offset in the vehicle longitudinal direction with respect to positions of outer side joining portions at the both outer side portions in the vehicle transverse direction of the floor panel main body. A different-type member joining portion, which is formed by plate members being joined together, is provided at at least one of the central portion, one of the outer side portions, and another of the outer side portions.Type: ApplicationFiled: June 2, 2017Publication date: April 12, 2018Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Koichi DAIGAKU
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Patent number: 9764775Abstract: A vehicle lower portion structure has a floor panel, rockers, a floor tunnel, and beads. The floor panel forms a floor portion of the vehicle. The pair of rockers are disposed respectively on both outer sides in the vehicle transverse direction of the floor panel, and extend in the vehicle longitudinal direction. The floor tunnel is disposed in a central portion in the vehicle transverse direction of the floor panel, and extends in the vehicle longitudinal direction. The beads are formed protruding towards the vehicle upward side on the floor panel between the rockers and the floor tunnel such that ridgelines thereof extend in the vehicle longitudinal direction.Type: GrantFiled: October 6, 2016Date of Patent: September 19, 2017Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Koichi Daigaku
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Publication number: 20170144711Abstract: A vehicle lower portion structure has a floor panel, rockers, a floor tunnel, and beads. The floor panel forms a floor portion of the vehicle. The pair of rockers are disposed respectively on both outer sides in the vehicle transverse direction of the floor panel, and extend in the vehicle longitudinal direction. The floor tunnel is disposed in a central portion in the vehicle transverse direction of the floor panel, and extends in the vehicle longitudinal direction. The beads are formed protruding towards the vehicle upward side on the floor panel between the rockers and the floor tunnel such that ridgelines thereof extend in the vehicle longitudinal direction.Type: ApplicationFiled: October 6, 2016Publication date: May 25, 2017Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Koichi DAIGAKU
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Publication number: 20170050676Abstract: A vehicle front portion structure has: a suspension member provided at a vehicle lower side of side members and supported by the side members, the suspension member having a main body portion that extends in a vehicle transverse direction, and a pair of left and right arm portions, each of which extends toward a vehicle front side from a vehicle transverse direction end portion of the main body portion; a front cross member connecting a distal end portion of one of the arm portions and a distal end portion of another of the arm portions in the vehicle transverse direction; and a pair of left and right braces extending obliquely toward vehicle transverse direction outer sides while heading toward a vehicle rear side, front end portions of the braces being joined to the front cross member, and rear end portions of the braces being joined to the arm portions.Type: ApplicationFiled: April 4, 2016Publication date: February 23, 2017Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Koichi DAIGAKU