- 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: 363
10-year publication summary
|
33
|
24
|
22
|
28
|
32
|
26
|
28
|
39
|
32
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Entegris, Inc. | 1736 |
28 |
| Corning Incorporated | 9932 |
18 |
| DONGWOO FINE-CHEM Co., Ltd. | 1163 |
16 |
| Central Glass Company, Limited | 1244 |
14 |
| Samsung Display Co., Ltd. | 30585 |
11 |
| Versum Materials US, LLC | 591 |
11 |
| Samsung Electronics Co., Ltd. | 131630 |
10 |
| Enf Technology Co., Ltd. | 37 |
10 |
| FUJIFILM Electronic Materials U.S.A., Inc. | 270 |
10 |
| BASF SE | 19740 |
9 |
| ASM IP Holding B.V. | 1715 |
8 |
| Soulbrain Co., Ltd. | 196 |
8 |
| Micron Technology, Inc. | 24960 |
7 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
7 |
| Tokyo Electron Limited | 11599 |
6 |
| Lam Research Corporation | 4775 |
6 |
| Advanced Technology Materials, Inc. | 234 |
6 |
| 3m Innovative Properties Company | 18406 |
5 |
| Tokyo Ohka Kogyo Co., Ltd. | 1481 |
5 |
| Dorf Ketal Chemicals FZE | 238 |
5 |
| Other owners | 163 |