- 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 8/02 - Pretreatment of the material to be coated
Patent holdings for IPC class C23C 8/02
Total number of patents in this class: 442
10-year publication summary
41
|
51
|
45
|
31
|
46
|
28
|
37
|
25
|
15
|
5
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Swagelok Company | 325 |
16 |
JFE Steel Corporation | 6067 |
13 |
Nippon Steel Corporation | 5649 |
13 |
Robert Bosch GmbH | 40953 |
12 |
ECM Technologies | 29 |
6 |
Peugeot Citroen Automobiles SA | 1903 |
6 |
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
6 |
Honda Motor Co., Ltd. | 24537 |
5 |
Applied Materials, Inc. | 16587 |
5 |
Hyundai Motor Company | 19021 |
5 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
5 |
Kia Motors Corporation | 7946 |
5 |
Case Western Reserve University | 1727 |
5 |
MAHLE International GmbH | 2670 |
5 |
NOVA Chemicals (International) S.A. | 717 |
5 |
Oerlikon Surface Solutions AG, Pfaffikon | 556 |
5 |
Persimmon Technologies, Corp. | 140 |
5 |
POSCO Co., Ltd. | 1059 |
5 |
Safran Aircraft Engines | 5739 |
5 |
Rtx Corporation | 8674 |
5 |
Other owners | 305 |