公开(公告)号：US11753735B2

公开(公告)日：2023-09-12

申请号：US17274018

申请日：2019-09-04

Applicant: PROTERIAL, LTD.

Inventor： Ken Asada

IPC: B32B15/20 ,  C25D5/00 ,  C25D5/12 ,  B32B15/01 ,  C25D5/50 ,  C25D7/06 ,  H01M4/66 ,  H01M4/02

CPC classification number: C25D5/627 ,  B32B15/01 ,  B32B15/20 ,  C25D5/12 ,  C25D5/50 ,  C25D5/611 ,  C25D7/06 ,  H01M4/661 ,  H01M4/667 ,  B32B2307/732 ,  H01M2004/027

Abstract: A nickel-coated copper foil suitable for mass production, to which YAG laser welding can be applied while reducing the electrical resistivity by forming a nickel plating layer with a thickness of 0.5 μm or less on a surface of a copper foil by Ni plating, is provided. The nickel-coated copper foil has an overall thickness of 200 μm or less, and includes a copper layer made of Cu or a Cu alloy, and a nickel plating layer made of Ni or a Ni alloy, covering a surface of the copper foil, having a thickness of 0.01 μm or more and 0.5 μm or less, and including a surface having an a* value of 0 or more and 10 or less and a b* value of 0 or more and 14 or less in an L*a*b* color system obtained by an SCI measurement method in accordance with JIS Z 8722.

公开(公告)号：US11739401B2

公开(公告)日：2023-08-29

申请号：US16496894

申请日：2018-03-12

Applicant: Proterial, Ltd.

Inventor： Ryo Goto ,  Takayuki Fukaya ,  Hiroshi Matsui ,  Kenta Matsuura

IPC: C22C37/10 ,  C21D5/14 ,  C22C33/08

CPC classification number: C22C37/10 ,  C21D5/14 ,  C22C33/08 ,  C21D2211/005

Abstract: Provided is a black heart malleable cast iron and a method for manufacturing the same which can significantly shorten the time required for graphitization, as compared with the prior art. The black heart malleable cast iron includes a matrix of ferrite and lump graphite included in the matrix, and includes at least one selected from the group consisting of (i) 0.0050% by mass or more and 0.15% by mass or less of bismuth and 0.020% by mass or more of manganese, and (ii) 0.0050% by mass or more and 1.0% by mass or less of aluminum and 0.0050% by mass or more of nitrogen. In addition, the grain size of the matrix is 8.0 or more and 10.0 or less in terms of grain size number, numerically determined by comparison between a metallographic photograph of the matrix and a standard grain size chart.

公开(公告)号：US11698312B2

公开(公告)日：2023-07-11

申请号：US17488494

申请日：2021-09-29

Applicant: NSK LTD. ,  Proterial, Ltd.

Inventor： Kota Fukuda ,  Junji Ono ,  Shinji Okada ,  Teruyuki Nakamura ,  Yuta Sugiyama

IPC: G01L3/10 ,  H10N35/00

CPC classification number: G01L3/102 ,  H10N35/101

Abstract: A torque load member has a detected surface which is configured to face a magnetostrictive torque sensor. The detected surface is a shot peened surface whose magnetic anisotropy directed in a specific direction has been reduced by performing shot peening thereto at an arc height value of 0.31 mmA or more.

公开(公告)号：US11688847B2

公开(公告)日：2023-06-27

申请号：US16645350

申请日：2018-11-21

Applicant: Proterial, Ltd.

Inventor： Akira Gunji ,  Tatsuya Toyama ,  Akio Takeuchi ,  Hisato Tokoro ,  Shuichi Takano ,  Genei Nakajima

IPC: H01M4/04 ,  H01M4/131 ,  H01M4/134 ,  H01M10/0525 ,  H01M4/1391 ,  H01M4/1395 ,  H01M4/36 ,  H01M4/525

CPC classification number: H01M4/0471 ,  H01M4/131 ,  H01M4/134 ,  H01M4/1391 ,  H01M4/1395 ,  H01M4/364 ,  H01M4/525 ,  H01M10/0525

Abstract: A method for manufacturing a cathode active material for a lithium ion secondary battery comprises mixing lithium carbonate and a compound containing a metal element other than Li, and a firing step. The firing step includes at last two stages of controlling firing to different temperatures. The at least two stages include controlling a firing temperature to a lower temperature and controlling a firing temperature to a higher temperature. The firing is controlled is such that the former stage has a lower oxygen concentration in an atmosphere than the latter stage. The firing apparatus comprises at least two firing furnaces of controlling firing temperatures to different temperatures. The at least two firing furnaces include controlling a firing temperature to a lower temperature and controlling firing temperature to a higher temperature. The latter firing furnace has a gas outlet being in communication with the former firing furnace.

公开(公告)号：US11678472B2

公开(公告)日：2023-06-13

申请号：US16222980

申请日：2018-12-17

Applicant: PROTERIAL, LTD.

Inventor： Kazufumi Suenaga ,  Takahiro Sugiyama ,  Hideyuki Sagawa

IPC: H05K9/00 ,  H01B3/44 ,  H01B13/00 ,  H01B11/00 ,  H01B13/26 ,  H01B13/22 ,  H01B11/20 ,  H01B11/18

CPC classification number: H05K9/0098 ,  H01B3/445 ,  H01B11/002 ,  H01B13/0036 ,  H05K9/0088 ,  H01B11/1834 ,  H01B11/203 ,  H01B13/22 ,  H01B13/222 ,  H01B13/26

Abstract: A signal transmission cable includes a signal line, an insulation layer covering the signal line, and a shield layer covering the insulation layer. A first oxygen amount A1 on an outer peripheral surface of the insulation layer is 1.2 times or greater than a second oxygen amount A2 inside the insulation layer, or a contact angle on the outer peripheral surface the insulation layer is 130° or less, or an adhesion-wetting surface energy on the outer peripheral surface the insulation layer is 27 mJ/m2 or greater, or a first amount of a hydroxy group on the outer peripheral surface of the insulation layer is greater than a second amount of a hydroxy group inside the insulation layer.

公开(公告)号：US11677075B2

公开(公告)日：2023-06-13

申请号：US16644114

申请日：2018-12-26

Applicant: Proterial, Ltd.

Inventor： Shuichi Takano ,  Akira Gunji ,  Hisato Tokoro ,  Genei Nakajima ,  Tatsuya Toyama ,  Shin Takahashi

IPC: H01M4/525 ,  H01M10/0525 ,  H01M4/505 ,  C01G53/00 ,  H01M4/02 ,  H01M4/131 ,  H01M10/052

CPC classification number: H01M4/525 ,  C01G53/50 ,  H01M4/505 ,  H01M10/0525 ,  C01G53/42 ,  C01P2002/52 ,  C01P2002/54 ,  C01P2004/03 ,  C01P2004/45 ,  C01P2004/50 ,  C01P2004/51 ,  C01P2004/54 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2006/12 ,  C01P2006/14 ,  C01P2006/16 ,  C01P2006/40 ,  H01M4/131 ,  H01M10/052 ,  H01M2004/021 ,  H01M2004/028 ,  Y02E60/10

Abstract: Provided is a cathode active material for a lithium ion secondary battery in which the secondary particles constituting the powder have a high breaking strength and a good coatability, and a method for manufacturing same. The cathode active material for a lithium ion secondary battery includes a primary particle of a lithium composite compound; and secondary particles formed by an aggregation of primary particles, wherein a ratio between an average particle size of the primary particles and an average particle size of the secondary particles is 0.006 or more and 0.25 or less, an amount of lithium carbonate is 0.4% by mass or less, and a breaking strength of the secondary particles is 30 MPa or more.

公开(公告)号：US11670999B2

公开(公告)日：2023-06-06

申请号：US17387569

申请日：2021-07-28

Applicant: PROTERIAL, LTD. ,  Tokyo Electron Limited

Inventor： Akihiro Kimoto ,  Junnosuke Taguchi ,  Satoshi Yoshimoto ,  Norihiko Kishimoto ,  Keita Hayashi

IPC: H02K49/10 ,  F16H49/00

CPC classification number: H02K49/102 ,  F16H49/00

Abstract: A magnetic coupling device includes a driving magnet array having multiple annular sector-shaped, circumferentially arranged first permanent magnets, and a driven magnet array having multiple circular sector-shaped, circumferentially arranged second permanent magnets with pole surfaces facing pole surfaces of the first permanent magnets. The driven magnet array is rotated by the driving magnet array being rotated. A repulsion zone where a repulsive force acts is designed to have an area that is 5% to 15% of that of an attraction zone where an attractive force acts between a specific first permanent magnet and a specific second permanent magnet, with a radial first centerline of the specific first permanent magnet overlapping a radial second centerline of the specific second permanent magnet so that opposite poles face each other, including between first and second permanent magnets respectively adjacent the specific first and second permanent magnets with overlapping the centerlines.

公开(公告)号：US20250166868A1

公开(公告)日：2025-05-22

申请号：US18957034

申请日：2024-11-22

Applicant: Proterial, Ltd.

Inventor： Hirotaka ESHIMA ,  Yoshikazu HAYAKAWA ,  Tomoyuki MURAYAMA ,  Takahiro FUTATSUMORI

IPC: H01B7/18

Abstract: Provided herein is a shield cable that can inhibit a shield from being damaged when the shield cable is bent. The shield cable of the present disclosure includes a central conductor; an insulator situated closer to an outer circumference of the shield cable than the central conductor is; a first tape layer situated closer to the outer circumference of the shield cable than the insulator is, and made of a paper, a non-woven fabric, or a resin tape; a shield situated closer to the outer circumference of the shield cable than the first tape layer is; a second tape layer situated closer to the outer circumference of the shield cable than the shield is, and including a paper, a non-woven fabric, or a resin tape; and a sheath situated closer to the outer circumference of the shield cable than the second tape layer is.

公开(公告)号：US12301074B2

公开(公告)日：2025-05-13

申请号：US17704338

申请日：2022-03-25

Applicant: Proterial, Ltd. ,  Hitachi Astemo, Ltd.

Inventor： Noriyuki Takahashi ,  Teruaki Nakashima

IPC: H02K15/00 ,  H02K3/28 ,  H02K3/50

Abstract: A conductive wire includes an angled protrusion having a tapered shape being integrated with a wire-shaped main body and configured to generate an arc between itself and an arc welding electrode. At least one of the pair of conductive members comprises an angled protrusion having a tapered shape. Welding of the conductive members is performed by melting the angled protrusion by generating an arc between the angled protrusion and an electrode.

公开(公告)号：US12297525B2

公开(公告)日：2025-05-13

申请号：US17776163

申请日：2020-11-26

Applicant: PROTERIAL, LTD.

Inventor： Mari Yoshihara ,  Takuya Murai ,  Tadashi Fukuda ,  Shoichi Takahashi

IPC: C22F1/02 ,  C22F1/00 ,  C22F1/10 ,  C22F1/18

Abstract: Provided is a method for producing a Ni- or Ti-based alloy product, the method capable of reliably locally cooling and effectively cooling. The method includes the steps: heating and holding a hot working material of a Ni- or Ti-based alloy after hot forging or hot ring rolling at a solution treatment temperature to obtain a material held in a heated state, and cooling the material held in a heated state to obtain a solution-treated material. The cooling step includes carrying out local cooling by contacting a cooling member with a part of a surface of the material held in a heated state.