- 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: 220
10-year publication summary
|
12
|
10
|
17
|
16
|
22
|
12
|
19
|
11
|
15
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Gas Chemical Company, Inc. | 3599 |
13 |
| Samsung Display Co., Ltd. | 38092 |
10 |
| Tokyo Electron Limited | 13617 |
9 |
| Samsung Electronics Co., Ltd. | 155224 |
8 |
| FUJIFILM Corporation | 30327 |
8 |
| Entegris, Inc. | 1990 |
8 |
| Kanto Kagaku Kabushiki Kaisha | 93 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 33812 |
6 |
| Biomet 3i, LLC | 293 |
6 |
| DONGWOO FINE-CHEM Co., Ltd. | 1408 |
5 |
| Kioxia Corporation | 10727 |
5 |
| Safran Aircraft Engines | 6576 |
4 |
| Selenium Medical | 96 |
4 |
| Kao Corporation | 5056 |
3 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8473 |
3 |
| Adeka Corporation | 1372 |
3 |
| Kings Mountain International, Inc. | 20 |
3 |
| Soulbrain Co., Ltd. | 281 |
3 |
| Taisei Plas Co., Ltd. | 41 |
3 |
| Tokyo Ohka Kogyo Co., Ltd. | 1544 |
3 |
| Other owners | 105 |