- All sections
- C - Chemistry; metallurgy
- C23F - Non-mechanical removal of metallic material from surfaces; inhibiting corrosion of metallic material; inhibiting incrustation in general; multi-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: 196
10-year publication summary
21
|
20
|
12
|
10
|
17
|
16
|
22
|
11
|
16
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Gas Chemical Company, Inc. | 3188 |
13 |
Samsung Display Co., Ltd. | 30585 |
10 |
Tokyo Electron Limited | 11599 |
8 |
FUJIFILM Corporation | 27102 |
7 |
Biomet 3i, LLC | 305 |
7 |
Kanto Kagaku Kabushiki Kaisha | 88 |
7 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
6 |
Samsung Electronics Co., Ltd. | 131630 |
5 |
DONGWOO FINE-CHEM Co., Ltd. | 1163 |
5 |
Entegris, Inc. | 1736 |
4 |
Safran Aircraft Engines | 5739 |
4 |
Selenium Medical | 109 |
4 |
TCL China Star Optoelectronics Technology Co., Ltd. | 2368 |
4 |
Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8635 |
3 |
Adeka Corporation | 1333 |
3 |
Kings Mountain International, Inc. | 20 |
3 |
Soulbrain Co., Ltd. | 196 |
3 |
Taisei Plas Co., Ltd. | 48 |
3 |
Treadstone Technologies, Inc. | 23 |
3 |
Versum Materials US, LLC | 591 |
3 |
Other owners | 91 |