- All sections
- C - Chemistry; metallurgy
- C23C - Coating metallic material; coating material with metallic material; surface treatment of metallic material by diffusion into the surface, by chemical conversion or substitution; coating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general
- C23C 16/40 - Oxides
Patent holdings for IPC class C23C 16/40
Total number of patents in this class: 4181
10-year publication summary
283
|
246
|
305
|
378
|
376
|
440
|
433
|
470
|
415
|
103
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Applied Materials, Inc. | 16587 |
416 |
Tokyo Electron Limited | 11599 |
224 |
Lam Research Corporation | 4775 |
164 |
Kokusai Electric Corporation | 1791 |
153 |
ASM IP Holding B.V. | 1715 |
150 |
Versum Materials US, LLC | 591 |
130 |
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 3515 |
76 |
Kyocera Corporation | 12735 |
73 |
Sumitomo Electric Hardmetal Corp. | 969 |
65 |
Sio2 Medical Products, Inc. | 199 |
65 |
Adeka Corporation | 1333 |
58 |
Samsung Electronics Co., Ltd. | 131630 |
53 |
Entegris, Inc. | 1736 |
48 |
Tungaloy Corporation | 481 |
48 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
45 |
Pilkington Group Limited | 748 |
43 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
39 |
Flosfia Inc. | 210 |
38 |
Micron Technology, Inc. | 24960 |
34 |
Sandvik Intellectual Property AB | 1634 |
33 |
Other owners | 2226 |