- All sections
- C - Chemistrymetallurgy
- C23F - Non-mechanical removal of metallic material from surfacesinhibiting corrosion of metallic materialinhibiting incrustation in generalmulti-step processes for surface treatment of metallic material involving at least one process provided for in class and at least one process covered by subclass or or class
- C23F 1/26 - Acidic compositions for etching refractory metals
Patent holdings for IPC class C23F 1/26
Total number of patents in this class: 207
10-year publication summary
|
20
|
12
|
10
|
17
|
16
|
22
|
12
|
17
|
11
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Gas Chemical Company, Inc. | 3460 |
13 |
| Samsung Display Co., Ltd. | 34539 |
10 |
| Tokyo Electron Limited | 12645 |
9 |
| FUJIFILM Corporation | 29305 |
8 |
| Kanto Kagaku Kabushiki Kaisha | 87 |
8 |
| Samsung Electronics Co., Ltd. | 145416 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 31221 |
6 |
| Biomet 3i, LLC | 289 |
6 |
| Entegris, Inc. | 1866 |
6 |
| DONGWOO FINE-CHEM Co., Ltd. | 1323 |
5 |
| Kioxia Corporation | 10285 |
5 |
| Safran Aircraft Engines | 6270 |
4 |
| Selenium Medical | 108 |
4 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8478 |
3 |
| Adeka Corporation | 1363 |
3 |
| Kings Mountain International, Inc. | 20 |
3 |
| Soulbrain Co., Ltd. | 249 |
3 |
| Taisei Plas Co., Ltd. | 46 |
3 |
| Treadstone Technologies, Inc. | 23 |
3 |
| Versum Materials US, LLC | 641 |
3 |
| Other owners | 96 |