SHAFT FOR STEERING DEVICE, METHOD OF MANUFACTURING SHAFT FOR STEERING DEVICE, AND ELECTRIC POWER STEERING DEVICE

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20200062291A1
SERIAL NO

16609774

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A shaft for a steering device has a first portion, a second portion, and a third portion that is a shaft integrated with the first portion and the second portion and couples the first portion and the second portion in a first direction. The outer diameter of the third portion is smaller than the length of the second portion in a second direction intersecting with the first direction, and is constant across a direction extending along the first direction. The hardness of the third portion is greater than the hardness of the second portion, and is constant across the direction extending along the first direction.

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Patent Owner(s)

Patent OwnerAddress
NSK LTDTOKYO 141-8560

International Classification(s)

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  • 2017 Application Filing Year
  • B21K Class
  • 120 Applications Filed
  • 77 Patents Issued To-Date
  • 64.17 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20172018201920202021202220230255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
SUEHIRO, Tatsuya Gunma, JP 3 5
YAMADA, Kazuya Gunma, JP 78 414
YASUDA, Kaname Gunma, JP 14 61

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Patent Citation Ranking

  • 1 Citation Count
  • B21K Class
  • 63.64 % this patent is cited more than
  • 5 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges774401 - 100510152025303540455055606570758085

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