- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 13/00 - Etching, surface-brightening or pickling compositions
Patent holdings for IPC class C09K 13/00
Total number of patents in this class: 706
10-year publication summary
|
35
|
27
|
34
|
57
|
37
|
56
|
47
|
57
|
45
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Resonac Corporation | 3128 |
27 |
| Versum Materials US, LLC | 659 |
26 |
| FUJIFILM Electronic Materials U.S.A., Inc. | 341 |
25 |
| CMC Materials LLC | 246 |
25 |
| Samsung Electronics Co., Ltd. | 152016 |
20 |
| Entegris, Inc. | 1957 |
19 |
| DONGWOO FINE-CHEM Co., Ltd. | 1401 |
16 |
| FUJIFILM Corporation | 30106 |
14 |
| BASF SE | 21151 |
13 |
| Tokyo Electron Limited | 13428 |
13 |
| Fujimi Incorporated | 769 |
13 |
| Tokyo Ohka Kogyo Co., Ltd. | 1549 |
13 |
| ASM IP Holding B.V. | 2241 |
12 |
| Mitsubishi Gas Chemical Company, Inc. | 3551 |
12 |
| Tokuyama Corporation | 1451 |
12 |
| Samsung Display Co., Ltd. | 37396 |
11 |
| Central Glass Company, Limited | 1281 |
11 |
| Applied Materials, Inc. | 19802 |
9 |
| Lam Research Corporation | 5455 |
9 |
| Advanced Technology Materials, Inc. | 169 |
9 |
| Other owners | 397 |