Patents by Inventor Koji Iwamoto
Koji Iwamoto 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: 20240068429Abstract: A canister is provided. The canister includes an inflow port, adsorbents, an atmosphere port, an outflow port, and an adjustment member. The adjustment member includes rod-like members. The adjustment member includes a positioning member configured to enable positioning of the adjustment member in a target chamber by being insertable in a second cylinder and by not being insertable in a first cylinder. The second cylinder has a cylindrical shape, the cross sectional area of which is larger than a cross sectional area of the first cylinder.Type: ApplicationFiled: August 8, 2023Publication date: February 29, 2024Inventor: Koji Iwamoto
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Patent number: 11905915Abstract: Provided is a canister including at least one chamber and a resin member. The resin member is arranged in an object chamber, which is any of the at least one chamber. An adsorbent arranged in the object chamber is formed as a plurality of granular bodies. The resin member is an integrally formed member of resin, and includes a coupling member and at least one rod-shaped unit. The at least one rod-shaped unit includes a plurality of rod-shaped portions extending from the coupling member in a direction substantially parallel to a direction intersecting a gas flow direction in the object chamber at an angle of 45° or more and 90° or less.Type: GrantFiled: October 31, 2022Date of Patent: February 20, 2024Assignee: Futaba Industrial Co., Ltd.Inventor: Koji Iwamoto
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Patent number: 11701611Abstract: A canister that adsorbs and desorbs an evaporated fuel generated in a fuel tank of a vehicle includes an outer case, an inner case, a connecting port, and a sealing member. The inner case has a cylindrical shape. The inner case is fitted into the outer case. The inner case is filled therein with an adsorbent in a granular form. The inner case includes a first end and a second end. The connecting port connects an inside and an outside of the outer case to each other. The sealing member is provided to the second end of the inner case located opposite to the first end leading to the connecting port. The sealing member seals a gap between the outer case and a joining portion of the inner case. The joining portion joins the inner case to the outer case.Type: GrantFiled: August 19, 2021Date of Patent: July 18, 2023Assignee: FUTABA INDUSTRIAL CO. , LTD.Inventor: Koji Iwamoto
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Patent number: 11655781Abstract: A canister, mounted in a vehicle with an engine and including one or more chambers, includes adsorbents, an inflow port, an atmosphere port, an outflow port, and an adjusting member. The adjusting member is placed in a target chamber of the two or more chambers together with a corresponding adsorbent of the adsorbents. The target chamber is provided with a cushioning area located adjacent to at least one port of the ports. Two or more rod-shaped portions have first and second cross-sections orthogonal to a flow direction of an atmosphere and a fuel vapor. The first cross section is formed in the cushioning area, and the second cross-section is formed at a position distanced from the at least one port relative to the cushioning area. The first cross-section has a smaller area than an area of the second cross-section.Type: GrantFiled: April 8, 2022Date of Patent: May 23, 2023Assignee: FUTABA INDUSTRIAL CO., LTD.Inventor: Koji Iwamoto
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Publication number: 20230151783Abstract: Provided is a canister including at least one chamber, an inflow port, an atmosphere port, an outflow port, and a plurality of rod-shaped portions. In the at least one chamber, an adsorbent for fuel vapor is arranged. The plurality of rod-shaped portions is a plurality of elongated portions arranged in an object chamber, which is any of the at least one chamber. The adsorbent arranged in the object chamber is formed as a plurality of granular bodies. At least a part of the plurality of rod-shaped portions has, on an outer peripheral surface thereof, at least one recess formed.Type: ApplicationFiled: November 2, 2022Publication date: May 18, 2023Inventor: Koji Iwamoto
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Publication number: 20230151782Abstract: A canister that adsorbs and desorbs evaporative fuel generated in a fuel tank of a vehicle includes an adsorbent and a tubular body. A contact surface that is at least a partial area of an inner wall surface of the tubular body in a length direction of a central axis is brought into contact with a side surface of the inserted adsorbent to suppress movement of the adsorbent in a direction orthogonal to the central axis. The tubular body has an inclined surface in which the inner wall surface is inclined in a direction approaching the central axis of the tubular body in at least a partial area of an area from a starting point to the contact surface, the starting point being an opening end of an opening into which the adsorbent can be inserted.Type: ApplicationFiled: November 1, 2022Publication date: May 18, 2023Inventor: Koji Iwamoto
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Publication number: 20230151781Abstract: Provided is a canister including at least one chamber and a resin member. The resin member is arranged in an object chamber, which is any of the at least one chamber. An adsorbent arranged in the object chamber is formed as a plurality of granular bodies. The resin member is an integrally formed member of resin, and includes a coupling member and at least one rod-shaped unit. The at least one rod-shaped unit includes a plurality of rod-shaped portions extending from the coupling member in a direction substantially parallel to a direction intersecting a gas flow direction in the object chamber at an angle of 45° or more and 90° or less.Type: ApplicationFiled: October 31, 2022Publication date: May 18, 2023Inventor: Koji Iwamoto
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Publication number: 20230149847Abstract: Provided is a canister that makes it possible to reduce production costs. One aspect of the present disclosure is a canister. The canister includes an outer case including a charge port that takes in an evaporated fuel, a purge port that discharges the evaporated fuel, and an atmosphere port open to the atmosphere, an inner case arranged inside the outer case, the inner case having an inner space to which the atmosphere port is connected, a first adsorption chamber arranged in the inner space of the inner case, and a second adsorption chamber arranged between the first adsorption chamber and the atmosphere port in a flow path of the evaporated fuel in the inner space of the inner case. A cross-sectional area perpendicular to a gas flow direction in the second adsorption chamber and a cross-sectional area perpendicular to a gas flow direction in the first adsorption chamber are different.Type: ApplicationFiled: October 7, 2022Publication date: May 18, 2023Inventors: Koji Iwamoto, Tamami Ina
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Publication number: 20220333559Abstract: A canister, mounted in a vehicle with an engine and including one or more chambers, includes adsorbents, an inflow port, an atmosphere port, an outflow port, and an adjusting member. The adjusting member is placed in a target chamber of the two or more chambers together with a corresponding adsorbent of the adsorbents. The target chamber is provided with a cushioning area located adjacent to at least one port of the ports. Two or more rod-shaped portions have first and second cross-sections orthogonal to a flow direction of an atmosphere and a fuel vapor. The first cross section is formed in the cushioning area, and the second cross-section is formed at a position distanced from the at least one port relative to the cushioning area. The first cross-section has a smaller area than an area of the second cross-section.Type: ApplicationFiled: April 8, 2022Publication date: October 20, 2022Inventor: Koji Iwamoto
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Publication number: 20220333558Abstract: A canister, mounted in a vehicle with an engine and including one or more chambers, includes adsorbents, an inflow port, an atmosphere port, an outflow port, two or more adjusting portions, and one or more coupling portions. The two or more adjusting portions are elongated members placed in at least one target chamber of one or more chamber togethers, together with corresponding one adsorbent among the adsorbents to the target chamber. The one or more coupling portions couple the two or more adjusting portions to one another. Furthermore, the one or more coupling portions are provided to the two or more adjusting portions at a position distanced from end surfaces of the two or more adjusting portions.Type: ApplicationFiled: April 8, 2022Publication date: October 20, 2022Inventor: Koji Iwamoto
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Patent number: 11473535Abstract: An evaporated fuel treatment device includes a main adsorption chamber and a sub adsorption chamber. The sub adsorption chamber includes a first adsorption layer, a second adsorption layer and a high-desorption layer. The second adsorption layer is situated closer to an atmosphere port than the first adsorption layer is, and has a lower performance of adsorbing fuel vapor than the first adsorption layer does. The high-desorption layer is situated closer to the main adsorption chamber than the first adsorption layer is, and a higher performance of desorbing the fuel vapor than the first adsorption layer or the second adsorption layer does.Type: GrantFiled: May 24, 2021Date of Patent: October 18, 2022Assignee: FUTABA INDUSTRIAL CO., LTD.Inventor: Koji Iwamoto
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Publication number: 20220062813Abstract: A canister that adsorbs and desorbs an evaporated fuel generated in a fuel tank of a vehicle includes an outer case, an inner case, a connecting port, and a sealing member. The inner case has a cylindrical shape. The inner case is fitted into the outer case. The inner case is filled therein with an adsorbent in a granular form. The inner case includes a first end and a second end. The connecting port connects an inside and an outside of the outer case to each other. The sealing member is provided to the second end of the inner case located opposite to the first end leading to the connecting port. The sealing member seals a gap between the outer case and a joining portion of the inner case. The joining portion joins the inner case to the outer case.Type: ApplicationFiled: August 19, 2021Publication date: March 3, 2022Inventor: Koji Iwamoto
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Publication number: 20220065202Abstract: A canister includes a first chamber and a second chamber, an inner wall, a charge port, a purge port, an atmosphere port, and an insulator. An adsorbent is placed in the first chamber and the second chamber. The inner wall is located adjacent to the first chamber and the second chamber, and partitions the first chamber and the second chamber. The insulator is provided to at least one of the first chamber or the second chamber. The insulator is arranged between the adsorbent and the inner wall so as to insulate the adsorbent that is placed in the first chamber or the second chamber, to which the insulator is provided, from the inner wall.Type: ApplicationFiled: August 19, 2021Publication date: March 3, 2022Inventor: Koji Iwamoto
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Publication number: 20210388798Abstract: An evaporated fuel treatment device includes a main adsorption chamber and a sub adsorption chamber. The sub adsorption chamber includes a first adsorption layer, a second adsorption layer and a high-desorption layer. The second adsorption layer is situated closer to an atmosphere port than the first adsorption layer is, and has a lower performance of adsorbing fuel vapor than the first adsorption layer does. The high-desorption layer is situated closer to the main adsorption chamber than the first adsorption layer is, and a higher performance of desorbing the fuel vapor than the first adsorption layer or the second adsorption layer does.Type: ApplicationFiled: May 24, 2021Publication date: December 16, 2021Inventor: Koji Iwamoto
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Patent number: 11092115Abstract: A canister includes a filling chamber and a partition. The filling chamber is filled with activated carbon. The partition is arranged in the filling chamber, and has plate-like members extending in a flow direction that is a direction where the evaporated fuel flows. Also, the partition forms at least three flow paths defined by the plate-like members, and the partition includes an opening portion communicating with the at least three flow paths and allowing the evaporated fuel to be transferred to other flow paths.Type: GrantFiled: October 11, 2019Date of Patent: August 17, 2021Assignee: FUTABA INDUSTRIAL CO., LTD.Inventors: Shogo Ajiki, Koji Iwamoto
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Publication number: 20200124004Abstract: A canister includes a filling chamber and a partition. The filling chamber is filled with activated carbon. The partition is arranged in the filling chamber, and has plate-like members extending in a flow direction that is a direction where the evaporated fuel flows. Also, the partition forms at least three flow paths defined by the plate-like members, and the partition includes an opening portion communicating with the at least three flow paths and allowing the evaporated fuel to be transferred to other flow paths.Type: ApplicationFiled: October 11, 2019Publication date: April 23, 2020Inventors: Shogo Ajiki, Koji Iwamoto
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Patent number: 10508620Abstract: An evaporated fuel treatment device is provided in a canister including first to third chambers. The first chamber is provided with an inflow port and an outflow port at an end part thereof, and is connected to the second chamber. The evaporated fuel treatment device is configured as the third chamber of the canister. The third chamber has disposed therein activated carbon as an adsorbent material. The side connected to the second chamber in the third chamber is defined as second chamber side, and the side opposite to the second chamber side is defined as atmosphere side. An atmosphere port is provided at an end part on the atmosphere side of the third chamber. The third chamber is provided with a highly adsorptive layer and a low adsorptive layer which are aligned from the second chamber side to the atmosphere side.Type: GrantFiled: December 16, 2016Date of Patent: December 17, 2019Assignee: FUTABA INDUSTRIAL CO., LTD.Inventors: Keisuke Kuboyama, Koji Iwamoto, Takuya Nakagawa
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Publication number: 20190159362Abstract: A transmission device includes a housing, and a plurality of plug-in assemblies mounted in the housing, wherein each of the plug-in assembly that executes signal transmission and includes a board, heat generating parts mounted over the board and a fan that cools the heat generating parts.Type: ApplicationFiled: November 5, 2018Publication date: May 23, 2019Applicant: FUJITSU LIMITEDInventors: Hiroyuki ABE, Koji SASAKI, Masatoshi YONEKURA, Koji IWAMOTO, Katsunori SUZUKI
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Patent number: 10221812Abstract: A canister is mounted on a vehicle and comprises at least one chamber, an inflow port, an atmosphere port, an outflow port and elongated adjusting parts. The inflow port allows evaporated fuel to flow into the at least one chamber from a fuel tank of the vehicle. The outflow port allows the evaporated fuel adsorbed by an adsorbent to flow out towards an engine by air from the atmosphere port. The adjusting parts are arranged with the adsorbent in an object chamber, which is at least one of the at least one chamber.Type: GrantFiled: December 11, 2017Date of Patent: March 5, 2019Assignee: FUTABA INDUSTRIAL CO., LTD.Inventor: Koji Iwamoto
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Publication number: 20180283322Abstract: An evaporated fuel treatment device is provided in a canister including first to third chambers. The first chamber is provided with an inflow port and an outflow port at an end part thereof, and is connected to the second chamber. The evaporated fuel treatment device is configured as the third chamber of the canister. The third chamber has disposed therein activated carbon as an adsorbent material. The side connected to the second chamber in the third chamber is defined as second chamber side, and the side opposite to the second chamber side is defined as atmosphere side. An atmosphere port is provided at an end part on the atmosphere side of the third chamber. The third chamber is provided with a highly adsorptive layer and a low adsorptive layer which are aligned from the second chamber side to the atmosphere side.Type: ApplicationFiled: December 16, 2016Publication date: October 4, 2018Applicant: FUTABA INDUSTRIAL CO., LTD.Inventors: Keisuke KUBOYAMA, Koji IWAMOTO, Takuya NAKAGAWA