- 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: 734
10-year publication summary
|
37
|
28
|
34
|
58
|
39
|
57
|
53
|
59
|
46
|
40
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Resonac Corporation | 3530 |
28 |
| FUJIFILM Electronic Materials U.S.A., Inc. | 343 |
26 |
| Versum Materials US, LLC | 678 |
26 |
| CMC Materials LLC | 244 |
25 |
| Samsung Electronics Co., Ltd. | 157719 |
22 |
| Entegris, Inc. | 2008 |
22 |
| DONGWOO FINE-CHEM Co., Ltd. | 1429 |
19 |
| Tokyo Ohka Kogyo Co., Ltd. | 1562 |
18 |
| BASF SE | 21303 |
16 |
| FUJIFILM Corporation | 30514 |
15 |
| Tokyo Electron Limited | 13807 |
14 |
| ASM IP Holding B.V. | 2397 |
13 |
| Fujimi Incorporated | 802 |
13 |
| Tokuyama Corporation | 1477 |
13 |
| Mitsubishi Gas Chemical Company, Inc. | 3622 |
12 |
| Samsung Display Co., Ltd. | 38627 |
11 |
| Central Glass Company, Limited | 1293 |
11 |
| Ajou University Industry-academic Cooperation Foundation | 1174 |
10 |
| Applied Materials, Inc. | 20375 |
9 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48302 |
9 |
| Other owners | 402 |