Koichiro Akari

2 Patents

• US122411522025

  Hard Coating Film, and Member Coated with Sand-abrasion-resistant Hard Coating Film Which Includes Same

  KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)

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• US120338362024

  Nitriding Apparatus and Nitriding Method

  Kobe Steel, Ltd.

  0 cites