COIL SPRING, SUSPENSION DEVICE, AND METHOD FOR PRODUCING COIL SPRING

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20240133440A1
SERIAL NO

18399940

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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According to an embodiment, a coil spring is formed of a wire which is helically wound, and includes an end turn portion and an effective portion, and a surface of the wire in the end turn portion includes an area which is softer than a surface of the wire in the effective portion.

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Patent Owner(s)

  • NHK SPRING CO., LTD.

International Classification(s)

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  • 2023 Application Filing Year
  • B60G Class
  • 363 Applications Filed
  • 156 Patents Issued To-Date
  • 42.98 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
OKADA, Hideki Yokohama-shi, JP 148 614
SHIBAIRI, Kosuke Yokohama-shi, JP 3 1
SUZUKI, Takeshi Yokohama-shi, JP 572 6480
TANAKA, Ryo Yokohama-shi, JP 193 2529
YAMAUCHI, Yuichiro Yokohama-shi, JP 27 151

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges4972601 - 100255075100125150175200225250275300325350375400425450475500525

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