- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications of materials not otherwise provided for
- C09K 13/06 - Etching, surface-brightening or pickling compositions containing an inorganic acid with organic material
Patent holdings for IPC class C09K 13/06
Total number of patents in this class: 450
10-year publication summary
|
34
|
23
|
22
|
26
|
45
|
66
|
58
|
46
|
34
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Entegris, Inc. | 1736 |
29 |
| Soulbrain Co., Ltd. | 196 |
29 |
| Versum Materials US, LLC | 591 |
23 |
| Samsung Display Co., Ltd. | 30585 |
21 |
| FUJIFILM Corporation | 27102 |
20 |
| FUJIFILM Electronic Materials U.S.A., Inc. | 270 |
20 |
| Samsung Electronics Co., Ltd. | 131630 |
15 |
| DONGWOO FINE-CHEM Co., Ltd. | 1163 |
15 |
| CMC Materials LLC | 254 |
13 |
| Resonac Corporation | 2233 |
12 |
| Enf Technology Co., Ltd. | 37 |
11 |
| Samsung SDI Co., Ltd. | 6671 |
10 |
| Rohm and Haas Electronic Materials CMP Holdings, Inc. | 309 |
10 |
| SK Inc. | 351 |
9 |
| SK Innovation Co., Ltd. | 1015 |
8 |
| Fujimi Incorporated | 676 |
7 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
6 |
| Tokyo Electron Limited | 11599 |
6 |
| Green Products & Technologies, L.L.C. | 37 |
6 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
6 |
| Other owners | 174 |