- 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 18/28 - Sensitising or activating
Patent holdings for IPC class C23C 18/28
Total number of patents in this class: 131
10-year publication summary
|
15
|
5
|
10
|
13
|
12
|
15
|
5
|
3
|
7
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Atotech Deutschland GmbH | 556 |
9 |
| Mitsubishi Materials Corporation | 2444 |
5 |
| Mitsubishi Materials Electronic Chemicals Co., Ltd. | 131 |
4 |
| FUJIFILM Corporation | 29399 |
3 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42804 |
3 |
| Nikon Corporation | 7170 |
3 |
| Ebara-Udylite Co., Ltd. | 20 |
3 |
| JX Nippon Mining & Metals Corporation | 1488 |
3 |
| Okuno Chemical Industries Co., Ltd. | 99 |
3 |
| Valstybinis Moksliniu Tyrimu Institutas Fiziniu Ir Technologijos Mokslu Centras | 12 |
3 |
| Samsung Display Co., Ltd. | 34798 |
2 |
| The Boeing Company | 20053 |
2 |
| Texas Instruments Incorporated | 19460 |
2 |
| Arisawa Mfg. Co., Ltd. | 129 |
2 |
| BYD Company Limited | 5018 |
2 |
| Cuptronic Technology Ltd. | 12 |
2 |
| Ishihara Chemical Co., Ltd. | 64 |
2 |
| KARL WÖRWAG Lack- und Farbenfabrik GmbH& Co. KG | 18 |
2 |
| Modumetal, Inc. | 72 |
2 |
| Nanowear Inc. | 20 |
2 |
| Other owners | 72 |