Patent holdings for IPC class C23C 16/18

Total number of patents in this class: 1135

10-year publication summary

79
85
57
77
69
116
96
73
77
22
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Applied Materials, Inc.
20085
109
Adeka Corporation
1365
76
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
4056
74
ASM IP Holding B.V.
2299
65
Tokyo Electron Limited
13561
49
Tanaka Kikinzoku Kogyo K.K.
574
44
Entegris, Inc.
1985
36
Up Chemical Co., Ltd.
69
27
Merck Patent GmbH
5668
25
Versum Materials US, LLC
669
24
American Air Liquide, Inc.
263
23
Umicore AG & Co. KG
855
21
BASF SE
21150
20
Hansol Chemical Co., Ltd.
172
20
Tosoh Corporation
1388
17
Wayne State University
693
17
Samsung Electronics Co., Ltd.
154406
14
Lam Research Corporation
5544
14
Commissariat à l'énergie atomique et aux energies alternatives
11020
14
Korea Research Institute of Chemical Technology
1445
14
Other owners 432