- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 13/08 - Etching, surface-brightening or pickling compositions containing an inorganic acid containing a fluorine compound
Patent holdings for IPC class C09K 13/08
Total number of patents in this class: 384
10-year publication summary
|
24
|
22
|
28
|
32
|
26
|
28
|
39
|
33
|
29
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Entegris, Inc. | 1814 |
29 |
| Corning Incorporated | 10125 |
17 |
| DONGWOO FINE-CHEM Co., Ltd. | 1258 |
17 |
| Central Glass Company, Limited | 1246 |
15 |
| FUJIFILM Electronic Materials U.S.A., Inc. | 295 |
15 |
| Versum Materials US, LLC | 621 |
13 |
| Enf Technology Co., Ltd. | 41 |
12 |
| Samsung Electronics Co., Ltd. | 139001 |
11 |
| Samsung Display Co., Ltd. | 32798 |
11 |
| BASF SE | 20432 |
9 |
| ASM IP Holding B.V. | 1886 |
8 |
| Mitsubishi Gas Chemical Company, Inc. | 3343 |
8 |
| Soulbrain Co., Ltd. | 230 |
8 |
| Tokyo Ohka Kogyo Co., Ltd. | 1508 |
8 |
| Micron Technology, Inc. | 25824 |
7 |
| Tokyo Electron Limited | 12115 |
6 |
| Lam Research Corporation | 5001 |
6 |
| Advanced Technology Materials, Inc. | 215 |
6 |
| 3m Innovative Properties Company | 17957 |
5 |
| Dorf Ketal Chemicals FZE | 239 |
5 |
| Other owners | 168 |