Français Register Login

  • All sections
  • C - Chemistrymetallurgy
  • C23C - Coating metallic materialcoating material with metallic materialsurface treatment of metallic material by diffusion into the surface, by chemical conversion or substitutioncoating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general
  • C23C 16/30 - Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides

Patent holdings for IPC class C23C 16/30

Total number of patents in this class: 1864

10-year publication summary

117
159
144
137
175
177
132
110
122
16
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Applied Materials, Inc.
19683
154
ASM IP Holding B.V.
2227
103
Kokusai Electric Corporation
2155
91
Tokyo Electron Limited
13380
60
Versum Materials US, LLC
659
53
Sumitomo Electric Hardmetal Corp.
1060
43
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
4037
39
Lam Research Corporation
5437
36
Kyocera Corporation
14186
31
Aixtron SE
324
31
Entegris, Inc.
1957
23
Mitsubishi Materials Corporation
2465
22
Taiwan Semiconductor Manufacturing Company, Ltd.
46613
20
Samsung Electronics Co., Ltd.
151485
19
Commissariat à l'énergie atomique et aux energies alternatives
10979
19
Corning Incorporated
10390
16
Kennametal Inc.
1362
16
Shin-Etsu Chemical Co., Ltd.
5861
12
American Air Liquide, Inc.
261
12
Silcotek Corp.
70
11
Other owners 1053

  • ipowner home
  • ipqwery home
  • contact us
  • privacy policy
  • terms and conditions
© 2026 IPQwery All rights reserved