Patents by Inventor Kenichi Sugiyama
Kenichi Sugiyama 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: 20240141314Abstract: The information processing device includes: a cultivation information acquisition unit configured to acquire cultivation information of a cell; and a recommended condition setting unit configured to set a recommended condition for detaching the cell from a to be-processed vessel in which the cell is cultured, the cultivation information including information about the to-be-processed vessel, the recommended condition being a condition for detaching the cell by applying vibration to the to-be-processed vessel, the recommended condition setting unit being configured to set the recommended condition based on the cultivation information, with use of information concerning an association relationship between information about a cultivation condition and information about a detachment condition, the information about the cultivation condition including information about a culture vessel, the information about the detachment condition including information about a condition for applying vibration to the culture vessType: ApplicationFiled: October 17, 2023Publication date: May 2, 2024Inventors: KENJIRO TAKEMURA, YUTA KURASHINA, CHIKAHIRO IMASHIRO, KAZUNORI NOGUCHI, MASASHI HIROSE, KATSUHISA YAMAZAKI, KEIICHIRO TSUBAKI, SUGURU WATANABE, AKIRA SUGIYAMA, KENICHI KAKU, RYUICHI OTSU, YUKARI NAKASHOJI, TAKAAKI FURUI, TATSUO FURUTA, HITOMI TOKUTAKE
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Publication number: 20240141281Abstract: The information processing device includes: a cultivation information acquisition unit configured to acquire cultivation information of a cell; and a recommended condition generation unit configured to generate a recommended condition for detaching the cell from a to-be-processed vessel in which the cell is cultured, the cultivation information including information about the to-be-processed vessel, the recommended condition being a condition for detaching the cell by applying vibration to the to-be-processed vessel, the recommended condition generation unit being configured to generate the recommended condition based on the cultivation information, with use of a learned model, the learned model being learned with use of information about a cultivation condition and information about a detachment condition, the information about the cultivation condition including information about a culture vessel, the information about the detachment condition including information about a condition for applying vibration tType: ApplicationFiled: October 23, 2023Publication date: May 2, 2024Inventors: KENJIRO TAKEMURA, YUTA KURASHINA, CHIKAHIRO IMASHIRO, KAZUNORI NOGUCHI, KATSUHISA YAMAZAKI, MASASHI HIROSE, KEIICHIRO TSUBAKI, SUGURU WATANABE, AKIRA SUGIYAMA, KENICHI KAKU, TAKAAKI FURUI, TATSUO FURUTA, HITOMI TOKUTAKE, RYUICHI OTSU, YUKARI NAKASHOJI
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Patent number: 11949322Abstract: A power conversion device includes a first control device to an m-th control device that are capable of communicating with each other. A k-th control device transmits specific information to control devices other than the k-th control device among the first control device to the m-th control device. The specific information includes voltage values of a plurality of unit converters included in a k-th cell set in each of a first arm to a third arm. From each control device other than the k-th control device among the first control device to the m-th control device, the k-th control device receives specific information including the voltage values of the plurality of unit converters. The k-th control device calculates a phase representative value of the voltage values of the plurality of unit converters included in each of the first arm to the third arm.Type: GrantFiled: September 18, 2020Date of Patent: April 2, 2024Assignee: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATIONInventors: Kenichi Kondo, Ryota Okuyama, Takashi Sugiyama
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Publication number: 20220144081Abstract: A propeller shaft includes constant-velocity joints at both the end portions of a first shaft member.Type: ApplicationFiled: February 4, 2020Publication date: May 12, 2022Applicant: Hitachi Astemo, Ltd.Inventors: Kenichiro ISHIKURA, Kenichi SUGIYAMA
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Publication number: 20220136565Abstract: A propeller shaft includes a rotational shaft and a constant-velocity joint. The constant-velocity joint includes an inner race member connected to the rotational shaft, a rolling member disposed on an outer periphery of the inner race member in a radial direction relative to a direction of a rotational axis of the rotational shaft, and a tubular outer race member provided on an outer periphery of the rolling member in the radial direction and configured so that a rotational force of the rotational shaft is transmitted thereto via the rolling member. The outer race member has first and second end portions of the outer race member in the direction of the rotational axis. The outer race member includes a centering portion provided at the first end portion and formed so as to be smaller than a maximum diameter of the outer race member in the radial direction.Type: ApplicationFiled: January 28, 2020Publication date: May 5, 2022Applicant: HITACHI ASTEMO, LTD.Inventors: Kenichiro ISHIKURA, Kenichi SUGIYAMA
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Publication number: 20210222737Abstract: A propeller shaft (1), as a power transmitting shaft, of the present invention is configured such that a snap ring (8) as a retaining ring can be inserted inwards into a first penetration slot (31) formed at a tubular portion body (33) of a tubular portion (30) from a radial direction outer side. With this, good workability of assembly of the snap ring (8) is secured. Further, an engagement-stop state of a second shaft (3) by the snap ring (8) can be visually checked from the outside through the first penetration slot (31), then check of an engagement state by the snap ring (8) can be made.Type: ApplicationFiled: January 28, 2019Publication date: July 22, 2021Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Kenichi SUGIYAMA, Kenichiro ISHIKURA
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Publication number: 20210040983Abstract: A propeller shaft as a power transmission shaft includes a CFRP tube formed in a cylindrical shape as a shaft member, wherein a helical layer portion mainly bearing torsional strength and bending strength is made of carbon fiber of first carbon fiber material having a relatively high tensile strength (or a tensile elasticity), and wherein a hoop layer portion that is disposed at least one of inside and outside of the helical layer portion in a radial direction with respect to a rotational axis thereof and that does not bear torsional strength or bending strength is made of carbon fiber of second carbon fiber material having a tensile strength (or a tensile elasticity) lower than that of the first carbon fiber material.Type: ApplicationFiled: January 28, 2019Publication date: February 11, 2021Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Kenichi SUGIYAMA, Kenichiro ISHIKURA
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Patent number: 10883545Abstract: A power transmission shaft is interposed between a first shaft section and a second shaft section. The power transmission shaft comprises: a cylindrical section rotated integrally with a shaft section and formed cylindrically; a through hole disposed in the cylindrical section and penetrated radially with respect to a rotational axial line, each of a pair of vehicle side rotational shaft sections having an engagement groove disposed on an outer peripheral side of the pair of vehicle side rotational shaft sections and extended in a direction around the rotational axial line and the engagement groove being exposed from the through hole; and a retaining ring (circlip) disposed to enclose at least a portion of the outer peripheral side of the cylindrical section, a portion of the retaining ring being inserted into the through hole from the outer peripheral side of the cylindrical section and being engaged with the engagement groove.Type: GrantFiled: June 22, 2017Date of Patent: January 5, 2021Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Kenichi Sugiyama, Xiaojin Zhu, Yasutomo Mabe
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Patent number: 10859088Abstract: Provided is a TiCx—(Ti—Mo) sliding material having a binder phase made of a Ti—Mo alloy, and a hard phase containing TiCx, wherein the TiCx—(Ti—Mo) sliding material satisfies all the following conditions: (1) a total area of the binder phase and the hard phase is 90% or more of an area of a field of view; (2) a total area of the binder phase is 15% or more and 20% or less of the area of the field of view; (3) in the binder phase, a total area of the binder phase having a diameter equivalent to 10 ?m or more and 50 ?m or less; (4) in the binder phase, a total area of the binder phase having a diameter equivalent to less than 10 ?m; and (5) a Mo concentration in the binder phase is 25 wt % or more and 35 wt % or less.Type: GrantFiled: February 23, 2017Date of Patent: December 8, 2020Assignees: EBARA CORPORATION, NIPPON TUNGSTEN CO., LTD.Inventors: Nobuaki Ito, Kenichi Sugiyama, Hiroshi Yakuwa, Norio Takahashi, Makoto Komiya, Kenji Fujimoto
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Patent number: 10533612Abstract: A power transmission shaft comprises a shaft unit interposed between first and second shafts; an engaged portion provided on one end of the second shaft and having an annular stepped part provided between a smaller diameter portion and a larger diameter portion; and an engaging portion provided on one end of the shaft unit and joinable with the engaged portion to rotate together about a common rotation axis, wherein the engaging portion comprises a cylindrical base portion that rotates together with the shaft unit, an elastically shrinkable cylindrical portion that is provided on one axial end of the cylindrical base portion to project toward the engaged portion and catching pawls that are provided by the elastically shrinkable cylindrical portion and latchingly engageable with the annular stepped part when the engaged portion and the engaging portion are coaxially arranged and joined with each other.Type: GrantFiled: June 27, 2017Date of Patent: January 14, 2020Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Kenichi Sugiyama, Yasutomo Mabe
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Patent number: 10422388Abstract: A propeller shaft includes a shaft section connected between an input shaft and an output shaft via respective constant velocity joints, wherein the input shaft is connected to a drive source of a vehicle, and the output shaft is connected to driving wheels. The constant velocity joint includes a circlip-restricting surface to engage with a circlip provided in an outer peripheral surface of the input or output shaft, for restricting movement of the first or second shaft in an axial direction. The circlip-restricting surface is implemented by a first inclined surface and a second inclined surface, wherein the second inclined surface is closer to a rotational axis of the shaft section, and wherein the first inclined surface has an acute angle with respect to the axial direction, and the second inclined surface has a smaller angle with respect to the axial direction.Type: GrantFiled: April 14, 2017Date of Patent: September 24, 2019Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Yasutomo Mabe, Kenichi Sugiyama, Daiki Tsutsumi
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Patent number: 10352368Abstract: The first constant-velocity joint has an inner ring member, an outer ring member housing the inner ring member, and balls, which are installed in raceway grooves formed at prescribed intervals in a circumferential direction in the outer ring member and which extend along an axial direction, for transmitting rotational torque between the inner ring member and the outer ring member. Furthermore, the constant-velocity joint is formed so that one of the inner ring member and the outer ring member connects to an attaching member installed to a vehicle side with a spline, and so that the other of them connects to a power transmission shaft. In outside wall of the outer ring member, an engagement groove is formed so as to engage with an engagement member applied to connection or release thereof in a range avoiding positions corresponding to the raceway grooves in an axial direction or a circumferential direction.Type: GrantFiled: February 6, 2015Date of Patent: July 16, 2019Assignee: Hitachi Automotive Systems, Ltd.Inventors: Kenichi Sugiyama, Yasutomo Mabe, Toshiyuki Masuda, Hiromichi Komai
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Publication number: 20190113047Abstract: Provided is a TiCx—(Ti—Mo) sliding material having a binder phase made of a Ti—Mo alloy, and a hard phase containing TiCx, wherein the TiCx—(Ti—Mo) sliding material satisfies all the following conditions: (1) a total area of the binder phase and the hard phase is 90% or more of an area of a field of view; (2) a total area of the binder phase is 15% or more and 20% or less of the area of the field of view; (3) in the binder phase, a total area of the binder phase having a diameter equivalent to 10 ?m or more and 50 ?m or less; (4) in the binder phase, a total area of the binder phase having a diameter equivalent to less than 10 ?m; and (5) a Mo concentration in the binder phase is 25 wt % or more and 35 wt % or less.Type: ApplicationFiled: February 23, 2017Publication date: April 18, 2019Inventors: Nobuaki ITO, Kenichi SUGIYAMA, Hiroshi YAKUWA, Norio TAKAHASHI, Makoto KOMIYA, Kenji FUJIMOTO
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Publication number: 20180023629Abstract: Disclosed is a propeller shaft including a shaft portion; a joint portion provided between the shaft portion and a rotating shaft; a sleeve portion provided at the joint portion and having an inner peripheral side for receiving therein the rotating shaft; a through hole formed through a circumferential range of the sleeve portion, the through hole being opposed in a radial direction of the sleeve portion to an engaging groove formed on an outer peripheral side of the rotating shaft in a condition that the sleeve portion receives therein the rotating shaft; and a circlip provided on an outer peripheral side of the sleeve portion, the circlip being engaged in the engaging groove of the rotating shaft through the through hole of the sleeve portion.Type: ApplicationFiled: July 21, 2017Publication date: January 25, 2018Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Kenichi SUGIYAMA, Yasutomo MABE
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Publication number: 20180010645Abstract: A power transmission shaft comprises a shaft unit interposed between first and second shafts; an engaged portion provided on one end of the second shaft and having an annular stepped part provided between a smaller diameter portion and a larger diameter portion; and an engaging portion provided on one end of the shaft unit and joinable with the engaged portion to rotate together about a common rotation axis, wherein the engaging portion comprises a cylindrical base portion that rotates together with the shaft unit, an elastically shrinkable cylindrical portion that is provided on one axial end of the cylindrical base portion to project toward the engaged portion and catching pawls that are provided by the elastically shrinkable cylindrical portion and latchingly engageable with the annular stepped part when the engaged portion and the engaging portion are coaxially arranged and joined with each other.Type: ApplicationFiled: June 27, 2017Publication date: January 11, 2018Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Kenichi SUGIYAMA, Yasutomo MABE
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Publication number: 20180003240Abstract: A power transmission shaft is interposed between a first shaft section and a second shaft section. The power transmission shaft comprises: a cylindrical section rotated integrally with a shaft section and formed cylindrically; a through hole disposed in the cylindrical section and penetrated radially with respect to a rotational axial line, each of a pair of vehicle side rotational shaft sections having an engagement groove disposed on an outer peripheral side of the pair of vehicle side rotational shaft sections and extended in a direction around the rotational axial line and the engagement groove being exposed from the through hole; and a retaining ring (circlip) disposed to enclose at least a portion of the outer peripheral side of the cylindrical section, a portion of the retaining ring being inserted into the through hole from the outer peripheral side of the cylindrical section and being engaged with the engagement groove.Type: ApplicationFiled: June 22, 2017Publication date: January 4, 2018Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Kenichi SUGIYAMA, Xiaojin ZHU, Yasutomo MABE
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Publication number: 20170298993Abstract: A propeller shaft includes a shaft section connected between an input shaft and an output shaft via respective constant velocity joints, wherein the input shaft is connected to a drive source of a vehicle, and the output shaft is connected to driving wheels. The constant velocity joint includes a circlip-restricting surface to engage with a circlip provided in an outer peripheral surface of the input or output shaft, for restricting movement of the first or second shaft in an axial direction. The circlip-restricting surface is implemented by a first inclined surface and a second inclined surface, wherein the second inclined surface is closer to a rotational axis of the shaft section, and wherein the first inclined surface has an acute angle with respect to the axial direction, and the second inclined surface has a smaller angle with respect to the axial direction.Type: ApplicationFiled: April 14, 2017Publication date: October 19, 2017Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Yasutomo MABE, Kenichi SUGIYAMA, Daiki TSUTSUMI
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Publication number: 20170016484Abstract: The first constant-velocity joint has an inner ring member, an outer ring member housing the inner ring member, and balls, which are installed in raceway grooves formed at prescribed intervals in a circumferential direction in the outer ring member and which extend along an axial direction, for transmitting rotational torque between the inner ring member and the outer ring member. Furthermore, the constant-velocity joint is formed so that one of the inner ring member and the outer ring member connects to an attaching member installed to a vehicle side with a spline, and so that the other of them connects to a power transmission shaft. In outside wall of the outer ring member, an engagement groove is formed so as to engage with an engagement member applied to connection or release thereof in a range avoiding positions corresponding to the raceway grooves in an axial direction or a circumferential direction.Type: ApplicationFiled: February 6, 2015Publication date: January 19, 2017Inventors: Kenichi SUGIYAMA, Yasutomo MABE, Toshiyuki MASUDA, Hiromichi KOMAI
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Publication number: 20160017929Abstract: Provided is a low-cost propeller shaft adaptable to multiple variations of input/output shafts. An input shaft 3 and a first constant-velocity joint 4a are connected through a first adapter member 6a. The first adapter member is equipped with: a male spline 42 formed on an outer peripheral surface of a small-diameter shaft section 39 and engaged with a female spline 20 of an inner-race member 11 in the first constant-velocity joint 4a; and a female spline 46 formed on an inner peripheral surface of a large-diameter shaft section 41 and engaged with a male spline 35 of the input shaft 3. As a result, by producing only this first adapter member 6a, it is possible to adapt to an input shaft 3 of a type in which the outer diameter, the length in the axial direction, or the shape of the male spline 35 differs from an existing type.Type: ApplicationFiled: February 26, 2014Publication date: January 21, 2016Applicant: HITACHI AUTOMOTIVE SYSTEMS KYUSHU, LTD.Inventors: Kenichi SUGIYAMA, Yasutomo MABE, Hiromichi KOMAI
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Publication number: 20140334873Abstract: A propeller shaft is proposed which comprises an outer cylindrical member formed with a sleeve portion that has a splined cylindrical inner wall with which a splined cylindrical outer wall of a shaft is engaged; an inner cylindrical member installed in the outer cylindrical member; a torque transmitting unit through which a torque is transmitted from the outer cylindrical member to the inner cylindrical member; and a connecting mechanism that, upon engagement of the splined cylindrical outer wall with the splined cylindrical inner wall, effects an axial and relative positioning between the shaft and the outer cylindrical member while establishing a detachable connection therebetween.Type: ApplicationFiled: July 24, 2014Publication date: November 13, 2014Inventors: Kenichi SUGIYAMA, Takahiro KUROHA, Yasutomo MABE