- All sections
- C - Chemistry; metallurgy
- C09K - Materials for applications not otherwise provided for; applications 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: 645
10-year publication summary
|
74
|
57
|
37
|
28
|
34
|
58
|
39
|
55
|
43
|
23
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| CMC Materials LLC | 254 |
27 |
| Versum Materials US, LLC | 591 |
25 |
| Resonac Corporation | 2233 |
21 |
| FUJIFILM Electronic Materials U.S.A., Inc. | 270 |
19 |
| Entegris, Inc. | 1736 |
16 |
| Rohm and Haas Electronic Materials CMP Holdings, Inc. | 309 |
15 |
| Samsung Electronics Co., Ltd. | 131630 |
14 |
| FUJIFILM Corporation | 27102 |
12 |
| DONGWOO FINE-CHEM Co., Ltd. | 1163 |
12 |
| Samsung Display Co., Ltd. | 30585 |
11 |
| Fujimi Incorporated | 676 |
11 |
| Mitsubishi Gas Chemical Company, Inc. | 3188 |
11 |
| Tokyo Ohka Kogyo Co., Ltd. | 1481 |
11 |
| BASF SE | 19740 |
10 |
| ASM IP Holding B.V. | 1715 |
10 |
| Tokuyama Corporation | 1248 |
10 |
| Tokyo Electron Limited | 11599 |
9 |
| Advanced Technology Materials, Inc. | 234 |
9 |
| LG Chem, Ltd. | 17205 |
8 |
| Daikin Industries, Ltd. | 9495 |
8 |
| Other owners | 376 |