Patents by Inventor Ryosuke Asai
Ryosuke Asai 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: 20240102548Abstract: Provided is a transmission device including a transmission unit housed inside a transmission case with an oil storing part at a bottom part of the transmission case. As viewed in a projection plane orthogonal to a rotation axis of the transmission unit, an oil capturing part is arranged in a semicircle part of an outer circumferential wall of the transmission case. The semicircle part starts at a deepest part of the oil storing part and is positioned on a front side in a normal direction of a carrier.Type: ApplicationFiled: March 26, 2021Publication date: March 28, 2024Inventors: Kazuma OYAIZU, Ryosuke ASAI
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Patent number: 11852233Abstract: A transmission device includes a planetary reduction gear and a differential device, wherein a carrier of the reduction gear is dividedly formed from a first carrier portion that supports one end side of a pivot shaft and a second carrier portion that supports the other end side of the pivot shaft, and has a power-transmission case that is supported on a transmission case and includes a power-transmission case main body in which the differential case and the second carrier portion are integrated and the first carrier portion, which is joined to one end wall of the power-transmission case main body, a bearing boss portion is integrally and projectingly provided on a side face, on the sun gear side, of the one end wall, the bearing boss portion extending toward the sun gear side and having an outer peripheral part of one of output shafts rotatably fitted into and supported thereby, the bearing boss portion is present at a position where it overlaps the sun gear at least partially in an axial direction, and an oType: GrantFiled: September 11, 2019Date of Patent: December 26, 2023Assignee: Musashi Seimitsu Industry Co., Ltd.Inventors: Ryosuke Asai, Shinya Matsuoka
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Patent number: 11739827Abstract: A transmission device includes a power-transmission case having a carrier of a reduction gear and a differential case joined to the carrier is supported in a transmission case via case support bearings, a specific planetary gear portion of a planetary gear is disposed on one side of a differential mechanism in an axial direction, and the specific case support bearing is disposed on the other side thereof An oil passage-forming body is provided on an inner wall of the transmission case, the oil passage-forming body comprising an oil collection part that opens upward and can collect lubricating oil splashed up in an area around the specific planetary gear portion within the transmission case accompanying rotation of the power-transmission case, and an oil reservoir part that is continuous from the oil collection part, stores lubricating oil collected by the oil collection part, and supplies the lubricating oil to the specific case support bearing.Type: GrantFiled: September 11, 2019Date of Patent: August 29, 2023Assignee: Musashi Seimitsu Industry Co., Ltd.Inventors: Ryosuke Asai, Naofumi Butta
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Patent number: 11649882Abstract: A transmission device is formed by combining a planetary gear-type reduction gear and a differential device, wherein at least one of first and second planetary gear portions in a two-stage planetary gear has gear teeth that receive a thrust load due to meshing with opposing gear, a power-transmission case formed by joining a carrier to a differential case is rotatably supported on a transmission case. A pivot shaft of the planetary gear has one end thereof on the first planetary gear portion side supported on the power-transmission case via a first bearing and the other end on the second planetary gear portion side supported on the power-transmission case via a second bearing, and the thrust loads on one side and on the other side in an axial direction are supported only by the first bearing among the first and second bearings.Type: GrantFiled: September 11, 2019Date of Patent: May 16, 2023Assignee: Musashi Seimitsu Industry Co., Ltd.Inventors: Ryosuke Asai, Naofumi Butta, Hoa Binh Nguyen, Shiryu Kato
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Publication number: 20220316567Abstract: A transmission device is formed by combining a planetary gear-type reduction gear and a differential device, wherein at least one of first and second planetary gear portions in a two-stage planetary gear has gear teeth that receive a thrust load due to meshing with opposing gear, a power-transmission case formed by joining a carrier to a differential case is rotatably supported on a transmission case. A pivot shaft of the planetary gear has one end thereof on the first planetary gear portion side supported on the power-transmission case via a first bearing and the other end on the second planetary gear portion side supported on the power-transmission case via a second bearing, and the thrust loads on one side and on the other side in an axial direction are supported only by the first bearing among the first and second bearings.Type: ApplicationFiled: September 11, 2019Publication date: October 6, 2022Inventors: Ryosuke ASAI, Naofumi BUTTA, Hoa Binh NGUYEN, Shiryu KATO
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Publication number: 20220316580Abstract: A transmission device includes a power-transmission case having a carrier of a reduction gear and a differential case joined to the carrier is supported in a transmission case via case support bearings, a specific planetary gear portion of a planetary gear is disposed on one side of a differential mechanism in an axial direction, and the specific case support bearing is disposed on the other side thereof An oil passage-forming body is provided on an inner wall of the transmission case, the oil passage-forming body comprising an oil collection part that opens upward and can collect lubricating oil splashed up in an area around the specific planetary gear portion within the transmission case accompanying rotation of the power-transmission case, and an oil reservoir part that is continuous from the oil collection part, stores lubricating oil collected by the oil collection part, and supplies the lubricating oil to the specific case support bearing.Type: ApplicationFiled: September 11, 2019Publication date: October 6, 2022Inventors: Ryosuke ASAI, Naofumi BUTTA
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Publication number: 20220299104Abstract: A transmission device includes a planetary reduction gear and a differential device, wherein a carrier of the reduction gear is dividedly formed from a first carrier portion that supports one end side of a pivot shaft and a second carrier portion that supports the other end side of the pivot shaft, and has a power-transmission case that is supported on a transmission case and includes a power-transmission case main body in which the differential case and the second carrier portion are integrated and the first carrier portion, which is joined to one end wall of the power-transmission case main body, a bearing boss portion is integrally and projectingly provided on a side face, on the sun gear side, of the one end wall, the bearing boss portion extending toward the sun gear side and having an outer peripheral part of one of output shafts rotatably fitted into and supported thereby, the bearing boss portion is present at a position where it overlaps the sun gear at least partially in an axial direction, and an oType: ApplicationFiled: September 11, 2019Publication date: September 22, 2022Inventors: Ryosuke ASAI, Shinya MATSUOKA
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Patent number: 10920834Abstract: An engagement-type clutch mechanism is provided in which due to the movement of a first power transmission member, which is movably supported on a rotating shaft, toward a second power transmission member, a first and second projecting parts provided on opposing faces of a first and second power transmission members are engaged to each other, and the rotation of the second power transmission member is synchronized with the rotation of the first power transmission member, and due to the movement of a sleeve toward the synchronized second power transmission member, a first spline of the first power transmission member is linked to a second spline of the second power transmission member via a to-be-engaged spline of the sleeve, and the rotation of one of the rotating shaft and the second power transmission member is transmitted to the other of the rotating shaft and the second power transmission member.Type: GrantFiled: March 6, 2018Date of Patent: February 16, 2021Assignee: Musashi Seimitsu Industry Co., Ltd.Inventors: Ryosuke Asai, Takahisa Tanaka, Yoshihiro Yoshida
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Publication number: 20200318692Abstract: An engagement-type clutch mechanism is provided in which due to the movement of a first power transmission member, which is movably supported on a rotating shaft, toward a second power transmission member, a first and second projecting parts provided on opposing faces of a first and second power transmission members are engaged to each other, and the rotation of the second power transmission member is synchronized with the rotation of the first power transmission member, and due to the movement of a sleeve toward the synchronized second power transmission member, a first spline of the first power transmission member is linked to a second spline of the second power transmission member via a to-be-engaged spline of the sleeve, and the rotation of one of the rotating shaft and the second power transmission member is transmitted to the other of the rotating shaft and the second power transmission member.Type: ApplicationFiled: March 6, 2018Publication date: October 8, 2020Inventors: Ryosuke ASAI, Takahisa TANAKA, Yoshihiro YOSHIDA
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Publication number: 20160152783Abstract: A rapid-curing photocurable composition exerting excellent adhesion performance even with a low cumulative light quantity and being curable in a short time, thus ensuring excellent workability, is provided. A photocurable composition is made to includes: (A) a crosslinkable silicon group-containing organic polymer; (B) a photobase generator; and (C1) a silicon compound having an Si—F bond and/or (C2) one or more fluorine-based compounds selected from the group consisting of boron trifluoride, a boron trifluoride complex, a fluorinating agent, and an alkali metal salt of a polyfluoro compound. The (B) photobase generator is preferably a photolatent tertiary amine.Type: ApplicationFiled: July 11, 2014Publication date: June 2, 2016Inventors: Hiroshi YAMAGA, Naomi OKAMURA, Yutaka WATANABE, Ryosuke ASAI, Shouma KOUNO, Atsushi SAITO
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Publication number: 20040236940Abstract: Contents to be supplied to a user are divided into a core portion and one or more non-core portions, and an encryption process is applied to the core portion which is supplied to the user. Since the significant portion of the contents is used as the core portion, which is encrypted and transmitted, whole the contents can be substantially protected by the encryption process of only the core portion.Type: ApplicationFiled: March 24, 2004Publication date: November 25, 2004Applicant: PIONEER CORPORATIONInventor: Ryosuke Asai