Patents by Inventor Katsuyuki Komiya
Katsuyuki Komiya 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: 10889328Abstract: A front subframe structure includes a subframe body and a pair of right and left longitudinal members. The subframe body includes an arm front-side supporting portion, an arm rear-side supporting portion, and a detaching portion. Each of the longitudinal members has, in the rear part thereof, a bent portion that is further in the vehicle width direction outer side with respect to the arm front-side supporting portion. A lower arm has, in the rear part thereof, a longitudinally extending portion. The rear face portion of the bent portion, and the front face portion which is in the front side of the longitudinally extending portion of the lower arm extend substantially parallel to each other along the vehicle width direction. A reinforcing portion is provided on a face of the rear face portion of the bent portion, the face opposing the front face portion of the longitudinally extending portion.Type: GrantFiled: October 27, 2017Date of Patent: January 12, 2021Assignee: MAZDA MOTOR CORPORATIONInventors: Katsuyuki Komiya, Yasushi Ishikawa
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Patent number: 10745051Abstract: A rear subframe structure is provided with a rear subframe configured such that a front cross member, a rear cross member, a pair of left and right upper side members extending in a vehicle front-rear direction, and a pair of left and right lower side members extending in the vehicle front-rear direction are connected; and a vehicle-body mounting portion formed on each of both ends of the front cross member in the vehicle width direction, and on each of rear ends of the upper side members. The rear subframe further includes a lower-arm support portion formed on a lower lateral portion of the rear cross member, and a stabilizer support member for supporting a stabilizer. The rear cross member connects the upper side members and the lower side members in an up-down direction. The rear cross member includes an upper-surface rear-side projection portion projecting rearwardly.Type: GrantFiled: November 2, 2016Date of Patent: August 18, 2020Assignee: MAZDA MOTOR CORPORATIONInventors: Masaaki Tanaka, Katsuyuki Komiya
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Publication number: 20200207417Abstract: A rear subframe structure is provided with a rear subframe configured such that a front cross member, a rear cross member, a pair of left and right upper side members, and a pair of left and right lower side members are connected; and a vehicle-body mounting portion formed on each of both ends of the front cross member, and on each of rear ends of the upper side members. The rear subframe further includes a lower-arm support portion formed on a lower lateral portion of the rear cross member, and a stabilizer support member for supporting a stabilizer. The rear cross member connects the upper side members and the lower side members. The rear cross member includes an upper-surface rear-side projection portion projecting rearwardly. The stabilizer support member is mounted between the lower-arm support portion and the upper-surface rear-side projection portion of the rear cross member.Type: ApplicationFiled: November 2, 2016Publication date: July 2, 2020Applicant: MAZDA MOTOR CORPORATIONInventors: Masaaki TANAKA, Katsuyuki KOMIYA
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Patent number: 10676133Abstract: A tension rod supporting part (14) is provided at a sub-frame front structure (10) of a front part of a front sub-frame (5); the side member (6) is disposed upward in one side and extended rearward from the tension rod supporting part (14); a rack arrangement step (A) opened downward for arranging a steering rack (55) is formed behind the tension rod supporting portion (14) and under the side member (6); and a stabilizer support part (62) is provided in the rack arrangement step (A).Type: GrantFiled: November 1, 2016Date of Patent: June 9, 2020Assignee: MAZDA MOTOR CORPORATIONInventors: Katsuyuki Komiya, Masaaki Tanaka
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Patent number: 10654525Abstract: A front subframe structure includes front and rear cross members, a pair of left and right side members, and a vehicle body mounting portion disposed on front ends of the side members. The side member has a lateral widening portion at a front end thereof, wherein the lateral widening portion bulges outward in a vehicle width direction. The front cross member has a front widening portion at an end portion thereof in the vehicle width direction, wherein the front widening portion bulges forward of the vehicle. A portion of the front cross member excluding the front widening portion is disposed on the rear side with respect to the vehicle body mounting portion, and on the front side with respect to a rear end of the lateral widening portion.Type: GrantFiled: February 27, 2018Date of Patent: May 19, 2020Assignee: MAZDA MOTOR CORPORATIONInventors: Katsuyuki Komiya, Yasushi Ishikawa
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Patent number: 10647356Abstract: A rear subframe structure is provided with a rear subframe configured such that a front cross member, a rear cross member, a pair of left and right upper side members, and a pair of left and right lower side members are connected; and a vehicle-body mounting portion formed on each of both ends of the front cross member, and on each of rear ends of the upper side members. The rear subframe further includes a pillar portion formed between the upper side member and the lower side member; a first-arm support portion formed on the pillar portion to support a first arm; a second-arm support portion formed on the pillar portion to support a second arm; and an arm support bracket to support the second-arm support portion from a rear side.Type: GrantFiled: November 2, 2016Date of Patent: May 12, 2020Assignee: MAZDA MOTOR CORPORATIONInventors: Masaaki Tanaka, Katsuyuki Komiya
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Patent number: 10625785Abstract: In the front part of the front sub-frame (5), provided are a sub-crash can attachment part (12) and a tension rod supporting part (14); a front vehicle body attachment part (13) is provided between the two parts; the sus-cross member (73) is provided in the front vehicle body attachment part (13) and the tension rod supporting part (14); the front-side vehicle body attaching portion (13) includes a sub crash can load transmitting member (30); and the upper face portion (21) of the front vehicle body attachment part (13) and the partition wall (33) of the sub-crash can load transferring member (30) are spaced apart in the vertical direction and extend in the longitudinal direction of the vehicle.Type: GrantFiled: November 1, 2016Date of Patent: April 21, 2020Assignee: MAZDA MOTOR CORPORATIONInventors: Katsuyuki Komiya, Masaaki Tanaka
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Patent number: 10618556Abstract: A rear subframe structure is provided with a rear subframe including a front cross member, and a pair of left and right side members connected to the front cross member, and further including a vehicle-body mounting portion formed on both ends of the front cross member. The rear subframe includes a tunnel portion formed in a middle of a lower portion of the front cross member, and a brace extending in the vehicle width direction, and including a tunnel-portion mounting portion on left and right ends thereof. The brace includes a middle downwardly bulging portion bulging downwardly, and an upwardly bulging portion continued outwardly of the middle downwardly bulging portion and bulging upwardly. An inflection point between the middle downwardly bulging portion and the upwardly bulging portion is substantially located on an imaginary line linearly connecting the left and right tunnel-portion mounting portions in the vehicle width direction.Type: GrantFiled: November 2, 2016Date of Patent: April 14, 2020Assignee: MAZDA MOTOR CORPORATIONInventors: Masaaki Tanaka, Katsuyuki Komiya
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Patent number: 10611410Abstract: The present application discloses front chassis structure including set plate to which impact absorber is connected. Front chassis structure includes: pillar member having inner support plate portion for supporting impact absorber, outer support plate portion for supporting impact absorber in cooperation with inner support portion, and pillar portion having horizontal cross-section bulging rearward from inner and outer support plate portions; connection member for connecting pillar portion to vehicle body; front side member extending rearward from pillar member; and projecting member projecting outward from pillar member. Set plate is mounted on the outer and inner support plate portions. Projecting member includes front end covered by outer support plate portion. Projecting member is connected to front side member so that projecting member presses front side member inward under moment around connection member, moment being generated at collision of automobile.Type: GrantFiled: February 27, 2018Date of Patent: April 7, 2020Assignees: Y-TEC CORPORATION, MAZDA MOTOR CORPORATIONInventors: Tomohisa Daikokuya, Yasunari Jinbo, Katsuyuki Komiya, Yoko Takanashi
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Patent number: 10604186Abstract: A rear subframe structure is provided with a rear subframe configured such that a front cross member, a rear cross member, a pair of left and right upper side members, and a pair of left and right lower side members are connected; and a vehicle-body mounting portion formed on each of both ends of the front cross member, and on each of rear ends of the upper side members. The rear subframe further includes a vertical-wall-shaped pillar portion held and fixed between a lateral portion of the front cross member in the vehicle width direction and the upper side member, and extending in the vehicle width direction. A lower portion of the pillar portion is connected to the lower side member, an upper-arm support portion is formed on an upper portion of the pillar portion, and a lower-arm support portion is formed on a lower portion of the pillar portion.Type: GrantFiled: November 2, 2016Date of Patent: March 31, 2020Assignee: MAZDA MOTOR CORPORATIONInventors: Masaaki Tanaka, Katsuyuki Komiya
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Patent number: 10562569Abstract: A rear subframe structure is provided with a rear subframe configured such that a front cross member, a rear cross member, a pair of left and right upper side members, and a pair of left and right lower side members are connected; and a vehicle-body mounting portion formed. The rear subframe further includes a lower-arm support portion. The front cross member has a closed section, and a front portion of the closed section extends downwardly by forward and downward inclination of a left lateral portion and a right lateral portion of the front cross member. The lower-arm support portion is formed on a lower rear portion of the left lateral portion and the right lateral portion of the front cross member. The upper side member is connected to an upper rear portion of the left lateral portion and the right lateral portion of the front cross member.Type: GrantFiled: November 2, 2016Date of Patent: February 18, 2020Assignee: MAZDA MOTOR CORPORATIONInventors: Masaaki Tanaka, Katsuyuki Komiya
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Patent number: 10464608Abstract: A front structure of a motor vehicle includes a pair of left and right front side frames, a pair of left and right apron reinforcements, and reinforcing members extending in a vertical direction to couple the left front side frame to the left apron reinforcement, and the right front side frame to the right apron reinforcement. Each reinforcing member is provided on a surface, facing outside in a width direction of the motor vehicle, of a peripheral wall of a suspension tower, and forms a closed cross section with a portion of the peripheral wall.Type: GrantFiled: July 12, 2018Date of Patent: November 5, 2019Assignee: MAZDA MOTOR CORPORATIONInventors: Takehiro Kamei, Masanobu Hanazaki, Katsuyuki Komiya
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Publication number: 20190300059Abstract: A front subframe structure includes a subframe body and a pair of right and left longitudinal members. The subframe body includes an arm front-side supporting portion, an arm rear-side supporting portion, and a detaching portion. Each of the longitudinal members has, in the rear part thereof, a bent portion that is further in the vehicle width direction outer side with respect to the arm front-side supporting portion. A lower arm has, in the rear part thereof, a longitudinally extending portion. The rear face portion of the bent portion, and the front face portion which is in the front side of the longitudinally extending portion of the lower arm extend substantially parallel to each other along the vehicle width direction. A reinforcing portion is provided on a face of the rear face portion of the bent portion, the face opposing the front face portion of the longitudinally extending portion.Type: ApplicationFiled: October 27, 2017Publication date: October 3, 2019Applicant: MAZDA MOTOR CORPORATIONInventors: Katsuyuki KOMIYA, Yasushi ISHIKAWA
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Publication number: 20190061821Abstract: A rear subframe structure is provided with a rear subframe configured such that a front cross member, a rear cross member, a pair of left and right upper side members, and a pair of left and right lower side members are connected; and a vehicle-body mounting portion formed on each of both ends of the front cross member, and on each of rear ends of the upper side members. The rear subframe further includes a pillar portion formed between the upper side member and the lower side member; a first-arm support portion formed on the pillar portion to support a first arm; a second-arm support portion formed on the pillar portion to support a second arm; and an arm support bracket to support the second-arm support portion from a rear side.Type: ApplicationFiled: November 2, 2016Publication date: February 28, 2019Applicant: MAZDA MOTOR CORPORATIONInventors: Masaaki TANAKA, Katsuyuki KOMIYA
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Publication number: 20190039652Abstract: A front structure of a motor vehicle includes a pair of left and right front side frames, a pair of left and right apron reinforcements, and reinforcing members extending in a vertical direction to couple the left front side frame to the left apron reinforcement, and the right front side frame to the right apron reinforcement. Each reinforcing member is provided on a surface, facing outside in a width direction of the motor vehicle, of a peripheral wall of a suspension tower, and forms a closed cross section with a portion of the peripheral wall.Type: ApplicationFiled: July 12, 2018Publication date: February 7, 2019Applicant: MAZDA MOTOR CORPORATIONInventors: Takehiro KAMEI, Masanobu HANAZAKI, Katsuyuki KOMIYA
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Patent number: 10118643Abstract: To reinforce a front sub-frame in such a manner that the front sub-frame having a trapezoidal shape formed by a cross member and left and right side members extending to one side is not deformed to a rhombus shape at the one side, a front sub-frame structure includes: a rear cross member (74) coupling arm supporting parts (71, 71) supported on left and right side members (6, 6); tilt members (75) coupling left and right intermediate portions of the rear cross member (74) to rear vehicle attachment parts (M3) of the side members (6); a brace (80) coupling the left and right arm supporting parts (71, 71) to the rear vehicle attachment parts (M3); and intermediate coupling parts (91) coupling the brace (80) to intermediate portions of the tilt members (75).Type: GrantFiled: November 1, 2016Date of Patent: November 6, 2018Assignee: MAZDA MOTOR CORPORATIONInventors: Katsuyuki Komiya, Masaaki Tanaka
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Publication number: 20180281863Abstract: The present application discloses front chassis structure including set plate to which impact absorber is connected. Front chassis structure includes: pillar member having inner support plate portion for supporting impact absorber, outer support plate portion for supporting impact absorber in cooperation with inner support portion, and pillar portion having horizontal cross-section bulging rearward from inner and outer support plate portions; connection member for connecting pillar portion to vehicle body; front side member extending rearward from pillar member; and projecting member projecting outward from pillar member. Set plate is mounted on the outer and inner support plate portions. Projecting member includes front end covered by outer support plate portion. Projecting member is connected to front side member so that projecting member presses front side member inward under moment around connection member, moment being generated at collision of automobile.Type: ApplicationFiled: February 27, 2018Publication date: October 4, 2018Applicants: Y-TEC CORPORATION, MAZDA MOTOR CORPORATIONInventors: Tomohisa DAIKOKUYA, Yasunari JINBO, Katsuyuki KOMIYA, Yoko TAKANASHI
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Publication number: 20180281860Abstract: A rear subframe structure is provided with a rear subframe configured such that a front cross member, a rear cross member, a pair of left and right upper side members, and a pair of left and right lower side members are connected; and a vehicle-body mounting portion formed on each of both ends of the front cross member, and on each of rear ends of the upper side members. The rear subframe further includes a vertical-wall-shaped pillar portion held and fixed between a lateral portion of the front cross member in the vehicle width direction and the upper side member, and extending in the vehicle width direction. A lower portion of the pillar portion is connected to the lower side member, an upper-arm support portion is formed on an upper portion of the pillar portion, and a lower-arm support portion is formed on a lower portion of the pillar portion.Type: ApplicationFiled: November 2, 2016Publication date: October 4, 2018Applicant: MAZDA MOTOR CORPORATIONInventors: Masaaki TANAKA, Katsuyuki KOMIYA
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Publication number: 20180273093Abstract: A rear subframe structure is provided with a rear subframe including a front cross member, and a pair of left and right side members connected to the front cross member, and further including a vehicle-body mounting portion formed on both ends of the front cross member. The rear subframe includes a tunnel portion formed in a middle of a lower portion of the front cross member, and a brace extending in the vehicle width direction, and including a tunnel-portion mounting portion on left and right ends thereof. The brace includes a middle downwardly bulging portion bulging downwardly, and an upwardly bulging portion continued outwardly of the middle downwardly bulging portion and bulging upwardly. An inflection point between the middle downwardly bulging portion and the upwardly bulging portion is substantially located on an imaginary line linearly connecting the left and right tunnel-portion mounting portions in the vehicle width direction.Type: ApplicationFiled: November 2, 2016Publication date: September 27, 2018Applicant: MAZDA MOTOR CORPORATIONInventors: Masaaki TANAKA, Katsuyuki KOMIYA
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Publication number: 20180273094Abstract: A tension rod supporting part (14) is provided at a sub-frame front structure (10) of a front part of a front sub-frame (5); the side member (6) is disposed upward in one side and extended rearward from the tension rod supporting part (14); a rack arrangement step (A) opened downward for arranging a steering rack (55) is formed behind the tension rod supporting portion (14) and under the side member (6); and a stabilizer support part (62) is provided in the rack arrangement step (A).Type: ApplicationFiled: November 1, 2016Publication date: September 27, 2018Applicant: MAZDA MOTOR CORPORATIONInventors: Katsuyuki KOMIYA, Masaaki TANAKA