- 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 1/30 - Acidic compositions for etching other metallic material
Patent holdings for IPC class C23F 1/30
Total number of patents in this class: 175
10-year publication summary
|
9
|
9
|
12
|
19
|
9
|
17
|
8
|
12
|
7
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30512 |
13 |
| Samsung Display Co., Ltd. | 38570 |
9 |
| Biomet 3i, LLC | 290 |
8 |
| Tokyo Electron Limited | 13796 |
5 |
| DONGWOO FINE-CHEM Co., Ltd. | 1429 |
5 |
| Entegris, Inc. | 2008 |
5 |
| Samsung Electronics Co., Ltd. | 157557 |
4 |
| Electric Mirror, LLC | 71 |
4 |
| Enf Technology Co., Ltd. | 59 |
4 |
| Tokyo Ohka Kogyo Co., Ltd. | 1560 |
4 |
| Texas Instruments Incorporated | 19663 |
3 |
| Atotech Deutschland GmbH | 524 |
3 |
| DIC Corporation | 3961 |
3 |
| FUJIFILM Electronic Materials U.S.A., Inc. | 343 |
3 |
| Mitsubishi Gas Chemical Company, Inc. | 3619 |
3 |
| Showa Denko K.K. | 2072 |
2 |
| Mitsubishi Chemical Corporation | 4721 |
2 |
| Georgia Tech Research Corporation | 2942 |
2 |
| Adeka Corporation | 1376 |
2 |
| Contemporary Amperex Technology Co., Limited | 9937 |
2 |
| Other owners | 89 |