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Alloy Coatings & Surface Treatment

Methods and compositions for applying metallic or alloy layers to a substrate, or modifying the surface of an alloy, to impart specific functional properties such as corrosion resistance, wear resistance, electrical insulation, or improved adhesion, without altering the bulk properties significantly.

10,351 US filings from 2,375 companies since 2023 · 2023: 3,073 · 2024: 3,130 · 2025: 2,923 · 2026 YTD: 1,225

Alloys

Top companies

Ranked by filings in this theme since 2023. 2026 is partial.

#CompanySince 20232023202420252026 YTDYoY
1NIPPON STEEL CORPORATION80720524825599+2.8%
2JFE Steel Corporation52311216917270+1.8%
3POSCO CO., LTD4869617014476-15.3%
4ArcelorMittal318886911942+72.5%
5POSCO14878183121+72.2%
6EBARA CORPORATION12337353615+2.9%
7Applied Materials, Inc.1084330278-10.0%
8BAOSHAN IRON & STEEL CO., LTD.10828243620+50.0%
9Hyundai Steel Company9321204210+110.0%
10MITSUBISHI MATERIALS CORPORATION863427196-29.6%
11The Boeing Company843620253+25.0%
12PROTERIAL, LTD.8117262711+3.8%
13General Electric Company7529241210-50.0%
14Sumitomo Electric Industries, Ltd.722028186-35.7%
15ThyssenKrupp Steel Europe AG722327157-44.4%
16GM GLOBAL TECHNOLOGY OPERATIONS LLC682912207+66.7%
17RTX Corporation60623229-4.3%
18UACJ CORPORATION591917149-17.6%
19TOYOTA JIDOSHA KABUSHIKI KAISHA58182974-75.9%
20Oerlikon Surface Solutions AG, Pfäffikon551620163-20.0%
21Lam Research Corporation492010145+40.0%
22Novelis Inc.472411102-9.1%
23ATOTECH DEUTSCHLAND GMBH & Co. KG461417114-35.3%
24TOKYO ELECTRON LIMITED431910122+20.0%
25Hyundai Motor Company4221975-22.2%