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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Publication number: 20210094654Abstract: A bicycle rear sprocket assembly comprises a plurality of bicycle sprockets comprising a first sprocket and a second sprocket. The first sprocket includes a first opening having a first minimum diameter that is smaller than a minimum outer diameter of a sprocket support body of a bicycle rear hub assembly. The second sprocket includes a second opening and at least ten internal spline teeth. The second opening has a second minimum diameter that is equal to or larger than the minimum outer diameter. The at least ten internal spline teeth are configured to engage with the sprocket support body of the bicycle rear hub assembly. The at least ten internal spline teeth include a plurality of internal-spline driving surfaces each including a radial length. A total of the radial lengths of the plurality of internal-spline driving surfaces is equal to or larger than 7 mm.Type: ApplicationFiled: December 11, 2020Publication date: April 1, 2021Applicant: SHIMANO INC.Inventor: Hiroshi FUJITA
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Publication number: 20210086868Abstract: A bicycle rear sprocket assembly comprises a plurality of sprockets and a sprocket carrier. The sprocket carrier includes at least ten internal spline teeth and a circumferentially extending non-splined portion. The at least ten internal spline teeth extend in an axial direction with respect to a rotational center axis of the bicycle rear sprocket assembly. The at least ten internal spline teeth includes a plurality of internal-spline driving surfaces. The plurality of internal-spline driving surfaces each includes a radially outermost edge, a radially innermost edge, and a radial length. The total of the radial lengths ranges from 11 mm to 14 mm. The circumferentially extending non-splined portion is disposed to be adjacent to the at least ten internal spline teeth in the axial direction and recessed from the at least ten internal spline teeth in a radial direction with respect to the rotational center axis.Type: ApplicationFiled: December 2, 2020Publication date: March 25, 2021Applicant: SHIMANO INC.Inventors: Atsuhiro EMURA, Hiroshi FUJITA, Fumiaki YOSHIDA
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Publication number: 20210082728Abstract: A substrate processing device according to the present embodiment includes a processing tank configured to be capable of accumulating a liquid. A conveyer can array a plurality of semiconductor substrates in such a manner that front surfaces of the semiconductor substrates face a substantially horizontal direction, and transport the semiconductor substrates into the processing tank. A plurality of liquid suppliers can supply the liquid toward an inside of the processing tank from a lower portion of the processing tank. A plurality of current plates are arranged on at least either one end side or the other end side of an array of the semiconductor substrates. The current plates are provided in a first gap region above the semiconductor substrates in gaps between the conveyer and a sidewall of the processing tank on both sides of the conveyer as viewed from an array direction of the semiconductor substrates.Type: ApplicationFiled: July 17, 2020Publication date: March 18, 2021Applicant: Kioxia CorporationInventors: Shigeru Kinoshita, Shusaku Matsumoto, Koichiro Kawano, Hiroshi Fujita, Yoshinori Kitamura
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Patent number: 10946931Abstract: A bicycle rear sprocket assembly is configured to be mounted to a sprocket support body of a bicycle rear hub assembly. The bicycle rear sprocket assembly comprises a plurality of bicycle sprockets. The plurality of bicycle sprockets comprises a first sprocket and a second sprocket. The first sprocket includes a first opening having a first minimum diameter that is smaller than a minimum outer diameter of the sprocket support body of the bicycle rear hub assembly. The second sprocket includes a second opening and at least ten internal spline teeth. The second opening has a second minimum diameter that is equal to or larger than the minimum outer diameter of the sprocket support body of the bicycle rear hub assembly. The at least ten internal spline teeth are configured to engage with the sprocket support body of the bicycle rear hub assembly.Type: GrantFiled: December 22, 2017Date of Patent: March 16, 2021Assignee: SHIMANO INC.Inventor: Hiroshi Fujita
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Patent number: 10926836Abstract: A bicycle rear sprocket assembly comprises a sprocket support and a first sprocket. The sprocket support includes a hub engagement part configured to engage with a bicycle hub assembly. The sprocket support includes a plurality of sprocket attachment members extending radially outwardly from the hub engagement part with respect to a rotational center axis of the bicycle rear sprocket assembly. The first sprocket is attached to the plurality of sprocket attachment members. The first sprocket includes a first sprocket body and a plurality of first sprocket teeth which extends radially outwardly from the first sprocket body with respect to the rotational center axis and a total number of which is equal to or larger than thirty-four. The first sprocket has a plurality of shifting facilitation areas. A total number of the plurality of shifting facilitation areas is a divisor of a total number of the plurality of sprocket attachment members.Type: GrantFiled: August 24, 2017Date of Patent: February 23, 2021Assignee: SHIMANO INC.Inventors: Hiroshi Fujita, Atsuhiro Emura, Yasufumi Fukunaga, Tsuyoshi Fukumori
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Publication number: 20210046972Abstract: A steering device includes: first and second turning motors each applying a force for moving a rack shaft for turning wheels of a vehicle; and first and second controllers respectively controlling driving of the first and second motors. When driving force of either one of the first and second motors is sufficient as a force to be applied to the rack shaft, either one of the first and second controllers that controls driving of the one of the motors drives the one of the motors and when driving force of the one of the motors is insufficient as a force to be applied to the rack shaft, the other of the controllers drives the other of the motors in addition to driving of the one of the motors.Type: ApplicationFiled: November 3, 2020Publication date: February 18, 2021Applicant: SHOWA CORPORATIONInventors: Hiroshi FUJITA, Kazutaka SAITO
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Patent number: 10907988Abstract: The invention provides a rotation sensor enabling simplification of manufacturing process, such as an inspection step, while maintaining measurement accuracy of the rotation sensor. Lead frames of a rotation sensor have positioning sections which contact a side surface section of a case and, in this state of contact, keep the insertion depth dimension of a magnetism detection unit in the internal space of the case to a prescribed dimension; a flange lower flat surface of a flange section is provided further towards the case bottom surface side than a flange lower flat surface of a ring-shaped rib, a portion of the outer peripheral section of the case and the ring-shaped rib are exposed in a ring shape from an exterior molding section, and the case is provided with a plurality of projections along the inner side surface of the case which constitutes the internal space.Type: GrantFiled: September 29, 2016Date of Patent: February 2, 2021Assignee: Mitsubishi Electric CornorationInventors: Tomoki Kuwamura, Akira Takashima, Hiroshi Fujita, Hideki Shimauchi, Akira Koshimizu
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Patent number: 10889353Abstract: A bicycle rear sprocket assembly comprises a plurality of sprockets and a sprocket carrier configured to support at least one of the plurality of sprockets. The sprocket carrier includes at least ten internal spline teeth and a circumferentially extending non-splined portion. The at least ten internal spline teeth are configured to engage with the sprocket support body of the bicycle rear hub assembly. The at least ten internal spline teeth extend in an axial direction with respect to a rotational center axis of the bicycle rear sprocket assembly and are spaced apart from each other in a circumferential direction with respect to the rotational center axis. The circumferentially extending non-splined portion is disposed to be adjacent to the at least ten internal spline teeth in the axial direction and recessed from the at least ten internal spline teeth in a radial direction with respect to the rotational center axis.Type: GrantFiled: April 27, 2018Date of Patent: January 12, 2021Assignee: SHIMANO INC.Inventors: Atsuhiro Emura, Hiroshi Fujita, Fumiaki Yoshida
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Publication number: 20200297022Abstract: Providing a mixing apparatus capable of efficiently input noodles coated with an additive to a receiving tray, and having no need to perform weighing again after the noodles are input to the receiving tray. The mixing apparatus 8 includes: a hopper 30 that houses the falling noodles and that allows noodles to fall while rotating; and a supply device 60 that supplies a sauce to the noodles in the hopper 30, and at least two hopper 30 are provided in a falling direction.Type: ApplicationFiled: January 9, 2020Publication date: September 24, 2020Applicants: MAYEKAWA MFG. CO., LTD., AJINOMOTO CO., INC.Inventors: Shigeto KOGA, Hiroshi FUJITA, Yoshihiro UCHIDA, Kazuhiro TOYOTA, Takahiro KAWASOE
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Patent number: 10773772Abstract: A bicycle sprocket assembly is basically provided that includes a sprocket support member, a first sprocket, a second sprocket that is a separate member from the first sprocket, and a third sprocket that is a separate member from the first and second sprockets. The sprocket support member is configured to support at least one of the first, second and third sprockets. The sprocket support member includes a plurality of sprocket support portions extending radially outwardly from a central cylindrical portion. A first reinforcement member is attached to at least one of the first and second sprockets, and extends between the first and second sprockets. A second reinforcement member is attached to at least one of the second and third sprockets, and extends between the second and third sprockets. Each of the first and second reinforcement members is disposed between an adjacent pair of the plurality of sprocket support portions.Type: GrantFiled: April 12, 2017Date of Patent: September 15, 2020Assignee: Shimano Inc.Inventors: Tsuyoshi Fukumori, Hiroshi Fujita
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Publication number: 20200262251Abstract: 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: ApplicationFiled: February 18, 2020Publication date: August 20, 2020Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Tetsuya SAKAGUCHI, Yuichi ISHIGAKI, Hiroshi FUJITA
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Publication number: 20200262252Abstract: 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: ApplicationFiled: February 18, 2020Publication date: August 20, 2020Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Tetsuya SAKAGUCHI, Yuichi ISHIGAKI, Hiroshi FUJITA
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Patent number: 10717495Abstract: A bicycle sprocket comprises a sprocket body, a plurality of sprocket teeth, an axially outward protuberance, and an axially inward protuberance. The axially outward protuberance is disposed on an outward facing side of the sprocket body to overlap at least partly with a bicycle chain engaging with a neighboring bicycle sprocket when viewed along a rotational center axis. The axially inward protuberance is disposed on an inward facing side of the sprocket body to overlap at least partly with the axially outward protuberance when viewed along the rotational center axis.Type: GrantFiled: September 15, 2017Date of Patent: July 21, 2020Assignee: SHIMANO INC.Inventors: Yasufumi Fukunaga, Hiroshi Fujita, Tsuyoshi Fukumori, Atsuhiro Emura
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Patent number: 10668980Abstract: A bicycle rear sprocket assembly comprises a first sprocket, a second sprocket, and a sprocket support. The first sprocket includes a first sprocket body and a plurality of first sprocket teeth. The first sprocket body has at least one first recess. The second sprocket includes a second sprocket body and a plurality of second sprocket teeth. The sprocket support is configured to engage with a bicycle hub assembly. The sprocket support includes a sprocket attachment part. The first sprocket and the second sprocket are attached to the sprocket attachment part. The sprocket attachment part is at least partly provided in the at least one first recess to transmit a rotational force between the first sprocket and the sprocket support.Type: GrantFiled: August 24, 2017Date of Patent: June 2, 2020Assignee: SHIMANO INC.Inventors: Hiroshi Fujita, Atsuhiro Emura
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Publication number: 20200130778Abstract: A control system includes a detection device and an electronic controller. The detection device is configured to detect passenger information related to at least one passenger of a human-powered vehicle driven by a driver of the human-powered vehicle in which the at least one passenger is different from the driver. The electronic controller is configured to control at least one component of the human-powered vehicle in accordance with the passenger information.Type: ApplicationFiled: October 24, 2019Publication date: April 30, 2020Inventors: Satoshi SHAHANA, Noriko MASUTA, Azusa YAMAZAKI, Megumi NAKABO, Takehiko NAKAJIMA, Fumihide NUMATA, Hiroshi FUJITA, Kenji GOTO
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Patent number: 10625820Abstract: A bicycle rear sprocket assembly comprises a plurality of sprockets and a sprocket carrier. The plurality of sprockets includes a first sprocket and a second sprocket. The first sprocket has at least one circumferential coupling point. The first sprocket is coupled to a radially extending surface of at least one of a plurality of sprocket mounting portions at the at least one circumferential coupling point. The second sprocket has at least one additional circumferential coupling point. The second sprocket is coupled, at the at least one additional circumferential coupling point, to at least one of the sprocket carrier and one of the plurality of sprockets. A total number of the at least one circumferential coupling point is different from a total number of the at least one additional circumferential coupling point.Type: GrantFiled: January 24, 2018Date of Patent: April 21, 2020Assignee: SHIMANO INC.Inventors: Atsuhiro Emura, Hiroshi Fujita, Fumiaki Yoshida
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Patent number: 10618597Abstract: A bicycle sprocket assembly is basically provided that includes a sprocket support member. The sprocket support member includes a hub engagement portion, a first sprocket supporting member, and a second sprocket supporting member. The first sprocket supporting member extends from the hub engagement portion in a first axial direction parallel to a rotational center axis of the bicycle sprocket assembly. The second sprocket supporting member extends from the hub engagement portion in a second axial direction parallel to the rotational center axis. The second axial direction is opposite to the first axial direction. At least one of the first sprocket supporting member and the second sprocket supporting member includes a plurality of sprocket supporting arms.Type: GrantFiled: February 17, 2017Date of Patent: April 14, 2020Assignee: Shimano Inc.Inventors: Hiroshi Fujita, Sota Yamaguchi
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Patent number: 10591314Abstract: To obtain a rotation sensor capable of reducing manufacturing cost, provided is a rotation sensor including: a case including: a bottom surface portion; a side surface portion; and an opening; a pair of lead frames each including a distal end inserted into the case through the opening; a magnetic detection section arranged inside the case, and configured to detect a change in magnetic field caused by a magnetic body; and a holder surrounding the magnetic detection section in cooperation with the case, the holder including: a holder main body, which has an outer peripheral surface formed along an inner peripheral surface of the side surface portion and is configured to sandwich the pair of lead frames between the outer peripheral surface and the side surface portion; and a rib formed along a forming portion of the lead frame so as to be brought into contact with the forming portion.Type: GrantFiled: April 13, 2017Date of Patent: March 17, 2020Assignee: Mitsubishi Electric CorporationInventors: Tomoki Kuwamura, Akira Takashima, Hiroshi Fujita, Akira Koshimizu
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Publication number: 20200062043Abstract: A tire has an outer surface comprising a decorative portion which is visible and provided with micro-protuberances at a density of from 2 to 10 micro-protuberances per 1 sq.mm, and the micro-protuberances include a recessed micro-protuberance provided at its top surface with a recess.Type: ApplicationFiled: August 7, 2019Publication date: February 27, 2020Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Yuichi ISHIGAKI, Tetsuya SAKAGUCHI, Hiroshi FUJITA
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Patent number: 10507690Abstract: A bicycle hub assembly comprises a hub axle, a hub body, and a sprocket support body. The hub body includes a first spoke-mounting portion, a second spoke-mounting portion, and a first axial length. The first axial length is defined between a first axially outermost part of the first spoke-mounting portion and a second axially outermost part of the second spoke-mounting portion in an axial direction and is equal to or larger than 55 mm. The sprocket support body includes a plurality of external spline teeth. The plurality of external spline teeth includes a plurality of external-spline driving surfaces. The plurality of external-spline driving surfaces each includes a radial length defined from a radially outermost edge to a radially innermost edge. A total of the radial lengths of the plurality of external-spline driving surfaces is equal to or larger than 7 mm.Type: GrantFiled: April 11, 2019Date of Patent: December 17, 2019Assignee: SHIMANO INC.Inventors: Hiroshi Fujita, Kazuki Koshiyama, Takashi Nakanishi