Patents by Inventor Hiroshi Fujita
Hiroshi Fujita 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: 11325428Abstract: A tire has a visible outer surface comprising a decorative region provided with a plurality of micro-protrusions each comprising a recess and a wall portion. The wall portion surrounds the recess to form a protrusion's apex having an upper surface, and the upper surface of the wall portion comprises at least two peak points in the protruding-height direction of the micro-protrusion, at which the protruding height of the wall portion becomes local maximum.Type: GrantFiled: February 18, 2020Date of Patent: May 10, 2022Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Tetsuya Sakaguchi, Yuichi Ishigaki, Hiroshi Fujita
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Publication number: 20220097752Abstract: A ball screw device includes a screw shaft, a plurality of balls, a nut, a pair of guide members, and a transmission member. The nut has a pair of large-diameter portions and a small-diameter part between the two large-diameter portions. The two guide members are attachable to and detachable from an outer circumferential surface of the small-diameter portion in a radial direction and are located with a certain gap in the outer circumferential direction of the small-diameter portion. A fitting portion of the transmission member fits over the two large-diameter portions such that the fitting portion covers the two guide members while restricting radially outward displacements thereof. The fitting portion works with the small-diameter portion and the two guide members to define a circulation passage through which the balls are circulated. The transmission member is coupled to the nut.Type: ApplicationFiled: March 29, 2019Publication date: March 31, 2022Inventors: Satoshi Enomoto, Hiroshi Fujita
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Publication number: 20220085563Abstract: A method of manufacturing a female terminal includes: (i) forming a cutout part with a predetermined width in a direction intersecting with an axial direction of a tubular member, on a part of a first tubular portion located at a side of one end of the tubular member, crushing the first tubular portion to form an electric wire connection portion, and forming as a terminal contact portion a second tubular portion located at a side of the other end of the tubular member, and (ii) electrically connecting a core wire exposed from an end of an electric wire to the electric wire connection portion.Type: ApplicationFiled: September 8, 2021Publication date: March 17, 2022Applicant: Yazaki CorporationInventors: Hiroshi FUJITA, Hideki Mizuno
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Publication number: 20220085561Abstract: A method of manufacturing a female terminal includes: (i) cutting a portion located at a side of one end of a tubular member into an L-shape when viewed from a direction intersecting with an axial direction of the tubular member to form an electric wire connection portion at the side of the one end of the tubular member and form as a terminal contact portion a portion remaining in a tubular shape at a side of the other end of the tubular member; and (ii) electrically connecting a core wire exposed from an end of an electric wire to the electric wire connection portion.Type: ApplicationFiled: September 10, 2021Publication date: March 17, 2022Applicant: Yazaki CorporationInventors: Hiroshi FUJITA, Hideki Mizuno
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Patent number: 11273675Abstract: A tire has a visible outer surface comprising a decorative region provided with a plurality of micro-protrusions each comprising a recess and a wall portion. The wall portion surrounds the recess to form a protrusion's apex having an upper surface, and the upper surface of the wall portion comprises a peak point and a bottom point in a protruding-height direction of the micro-protrusion, wherein a protruding amount at the peak point is larger than a protruding amount at the bottom point.Type: GrantFiled: February 18, 2020Date of Patent: March 15, 2022Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Tetsuya Sakaguchi, Yuichi Ishigaki, Hiroshi Fujita
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Publication number: 20220068673Abstract: A substrate treatment apparatus according to an embodiment includes: a tank configured to store a liquid chemical with which a plurality of substrates are treated; a piping having an ejection port that ejects the liquid chemical or bubbles into the tank; a plurality of rods that support the plurality of substrates in the tank; and a converter that is provided in the plurality of rods or the tank and that converts vibration applied to each substrate by the liquid chemical or the bubbles ejected from the piping into rotation in one direction around a center of the substrate as a rotational axis.Type: ApplicationFiled: March 11, 2021Publication date: March 3, 2022Applicant: Kioxia CorporationInventors: Satoshi NAKAOKA, Yuji HASHIMOTO, Hiroshi FUJITA
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Patent number: 11260897Abstract: A steer-by-wire steering device includes a first member, a second member, and a stopper. The first member includes a first base surrounding an input shaft and rotatable, a first protrusion protruding from the first base in a radial direction or in an axial direction, and a first weight provided on the first base so as to make a weighted center consistent with a center of the input shaft. The second member is rotatable together with the first member with the first protrusion being abutting the second protrusion. The stopper is provided on a trajectory of the second protrusion, and is capable of restricting the turn of a steering wheel via the input shaft when abutting with the second protrusion.Type: GrantFiled: May 30, 2019Date of Patent: March 1, 2022Assignee: HITACHI ASTEMO, LTD.Inventors: Hiroshi Fujita, Hirotoshi Uchibori
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Patent number: 11220309Abstract: A bicycle rear sprocket assembly comprises at least one sprocket having a total tooth number that is equal to or larger than 15. The at least one sprocket includes at least ten internal spline teeth configured to engage with a bicycle hub assembly.Type: GrantFiled: August 25, 2017Date of Patent: January 11, 2022Assignee: SHIMANO INC.Inventors: Hiroshi Fujita, Kazuki Koshiyama, Takashi Nakanishi
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Publication number: 20210365350Abstract: A determination method executed by a computer, the method includes acquiring service usage and resource usage related to a predetermined service; acquiring a quality value of the predetermined service by using the resource usage and the service usage; identifying the resource usage in future by using a first model and the resource usage, the first model outputting a usage amount of a resource at any time point in future; identifying the resource usage in future by using a second model and the service usage, the second model outputting a use amount of a service at any time point in future; and determining whether to output an alarm related to the predetermined service based on the quality value, the resource usage in future, and the resource usage in future.Type: ApplicationFiled: April 1, 2021Publication date: November 25, 2021Applicant: FUJITSU LIMITEDInventor: Hiroshi Fujita
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Patent number: 11179967Abstract: A bicycle hub assembly comprises a hub axle, a hub body, a sprocket support body, and a freewheel structure. The sprocket support body includes at least ten external spline teeth configured to engage with a bicycle rear sprocket assembly. Each of the at least ten external spline teeth has an external-spline driving surface and an external-spline non-driving surface. The freewheel structure includes a first ratchet member and a second ratchet member. The first ratchet member includes at least one first ratchet tooth. The second ratchet member includes at least one second ratchet tooth configured to engage with the at least one first ratchet tooth in a torque transmitting manner.Type: GrantFiled: August 25, 2017Date of Patent: November 23, 2021Assignee: SHIMANO INC.Inventors: Hiroshi Fujita, Kazuki Koshiyama, Takashi Nakanishi
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Publication number: 20210339826Abstract: A sprocket support body comprises at least ten external spline teeth including a plurality of external-spline driving surfaces. The plurality of external-spline driving surfaces each includes a radially outermost edge, a radially innermost edge, and a radial length. A total of the radial lengths of the plurality of external-spline driving surfaces is equal to or larger than 7 mm. At least one external-spline driving surface has a first external-spline-surface angle. The first external-spline-surface angle ranges from 0 degree to 10 degrees. One tooth of the at least ten external spline teeth having a first circumferential spline size. The other teeth of the at least ten external spline teeth each have a second circumferential spline size that is smaller than the first circumferential spline size. A total number of the other teeth of the at least ten external spline teeth being equal to or larger than nine.Type: ApplicationFiled: July 13, 2021Publication date: November 4, 2021Applicant: SHIMANO INC.Inventors: Hiroshi FUJITA, Kazuki KOSHIYAMA, Takashi NAKANISHI
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Publication number: 20210336358Abstract: A terminal-formed electrical wire includes a core wire, a sheath that exteriorly covers a sheath target portion, a portion other than a core wire exposed portion, of the core wire, a metallic tubular member that accommodates the core wire exposed portion inside and is integrated with the core wire exposed portion to form a terminal unit. The core wire exposed portion has a flat board portion in the shape of a flat board thinner than the sheath target portion. The tubular member has a first wall and a second wall in the shape of a flat board sandwiching the flat board portion from respective flat surfaces of the flat board portion.Type: ApplicationFiled: April 19, 2021Publication date: October 28, 2021Applicant: Yazaki CorporationInventor: Hiroshi FUJITA
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Publication number: 20210294683Abstract: A non-transitory computer-readable storage medium storing a program that causes a computer to execute a process, the process includes extracting a first node related to a node indicating abnormality included in a plurality of nodes; identifying a first objective variable and a first explanatory variable of the first objective variable, the first objective variable being each of combinations of operation data of the first node and the first node; extracting, in a detection process performed by using the first explanatory variable, a second objective variable and a second explanatory variable of the second objective variable, the second objective variable being each of combinations of the operation data and the node indicating abnormality; determining a number of objective variables common to the second explanatory variable; and setting a priority order for locations of a cause of a failure, based on the number of objective variables.Type: ApplicationFiled: February 3, 2021Publication date: September 23, 2021Applicant: FUJITSU LIMITEDInventors: Hiroshi Fujita, Yukihiro Watanabe
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Publication number: 20210280438Abstract: In one embodiment, a semiconductor manufacturing apparatus includes a container configured to contain a substrate, and a pipe configured to supply the container with liquid to treat the substrate. The apparatus further includes an ejector including a first passage where the liquid introduced from the pipe and the liquid introduced from the container are joined and pass through, and a first opening configured to eject the liquid that has passed through the first passage. Furthermore, the first passage has an area where a sectional area of the first passage becomes large as advancing downstream in the liquid.Type: ApplicationFiled: December 11, 2020Publication date: September 9, 2021Applicant: Kioxia CorporationInventors: Katsuhiro SATO, Hiroshi FUJITA, Yoshinori KITAMURA, Satoshi NAKAOKA, Tomohiko SUGITA
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Patent number: 11097807Abstract: A bicycle hub assembly comprises a sprocket support body. The sprocket support body includes at least ten external spline teeth, a base support, and a larger-diameter part. The at least ten external spline teeth are configured to engage with a bicycle rear sprocket assembly. The at least ten external spline teeth radially outwardly extend from the base support. The larger-diameter part extends radially outwardly from the base support. Each of the at least ten external spline teeth has an external-spline driving surface and an external-spline non-driving surface.Type: GrantFiled: September 27, 2018Date of Patent: August 24, 2021Assignee: SHIMANO INC.Inventors: Hiroshi Fujita, Kazuki Koshiyama, Takashi Nakanishi
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Publication number: 20210245793Abstract: A steer-by-wire steering device includes a first member, a second member, and stoppers. The first member is rotatable together with the input shaft, and includes a first protrusion protruding from the input shaft in the radial direction. The second member includes a second protrusion protruding on the trajectory of the first protrusion, and is rotatable together with the first member with the first protrusion being abutting the second protrusion. The stoppers are provided at respective positions capable of abutting on the trajectory of the second protrusion only when the second member is rotated by the first member.Type: ApplicationFiled: May 30, 2019Publication date: August 12, 2021Inventors: Hiroshi Fujita, Hirotoshi Uchibori
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Publication number: 20210237793Abstract: A steering angle restricting device includes an input shaft that is rotated when a steering wheel is turned, a first member that includes a first base which surrounds the input shaft and is capable of rotating together with the input shaft, and a first protrusion that protrudes in the radial direction or in the axial direction from the first base, a second member that includes a second base that surrounds the first base, and a second protrusion that protrudes from the second base and on the trajectory of the first protrusion. The second member is capable of rotating together with the first member only in the state in which the first protrusion is abutting the second protrusion, and a stopper that is provided on the trajectory of the second protrusion and is capable of restricting the turning of the steering wheel via the input shaft when the second protrusion abuts.Type: ApplicationFiled: June 12, 2018Publication date: August 5, 2021Inventors: Hiroshi Fujita, Shun Saito
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Patent number: 11059541Abstract: A bicycle hub assembly comprises a sprocket support body. The sprocket support body includes at least ten external spline teeth configured to engage with a bicycle rear sprocket assembly. Each of the at least ten external spline teeth has an external-spline driving surface and an external-spline non-driving surface.Type: GrantFiled: May 30, 2017Date of Patent: July 13, 2021Assignee: SHIMANO INC.Inventors: Hiroshi Fujita, Kazuki Koshiyama, Takashi Nakanishi
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Publication number: 20210163060Abstract: A steer-by-wire steering device includes a first member, a second member, and a stopper. The first member includes a first base surrounding an input shaft and rotatable, a first protrusion protruding from the first base in a radial direction or in an axial direction, and a first weight provided on the first base so as to make a weighted center consistent with a center of the input shaft. The second member is rotatable together with the first member with the first protrusion being abutting the second protrusion. The stopper is provided on a trajectory of the second protrusion, and is capable of restricting the turn of a steering wheel via the input shaft when abutting with the second protrusion.Type: ApplicationFiled: May 30, 2019Publication date: June 3, 2021Inventors: Hiroshi Fujita, Hirotoshi Uchibori
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Patent number: 10968998Abstract: A bicycle rear sprocket adapter comprises a plurality of external spline teeth and a plurality of internal spline teeth. The plurality of external spline teeth is configured to engage with a bicycle rear sprocket assembly. The plurality of internal spline teeth is configured to engage with a bicycle hub assembly. At least two internal spline teeth of the plurality of internal spline teeth are circumferentially arranged at a first internal pitch angle with respect to a rotational center axis of the bicycle hub assembly. The first internal pitch angle ranges from 10 degrees to 20 degrees.Type: GrantFiled: August 24, 2017Date of Patent: April 6, 2021Assignee: SHIMANO INC.Inventors: Hiroshi Fujita, Kazuki Koshiyama, Toshinari Oishi