- All sections
- C - Chemistry; metallurgy
- C23F - Non-mechanical removal of metallic material from surfaces; inhibiting corrosion of metallic material; inhibiting incrustation in general; multi-step processes for surface treatment of metallic material involving at least one process provided for in class and at least one process covered by subclass or or class
- C23F 3/04 - Heavy metals
Patent holdings for IPC class C23F 3/04
Total number of patents in this class: 43
10-year publication summary
4
|
3
|
11
|
7
|
8
|
1
|
4
|
0
|
1
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
CMC Materials LLC | 254 |
6 |
Anji Microelectronics (Shanghai) Co., Ltd. | 169 |
4 |
Samsung SDI Co., Ltd. | 6671 |
3 |
Fujimi Incorporated | 676 |
3 |
Anji Microelectronics Technology (Shanghai) Co., Ltd. | 45 |
3 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
FUJIFILM Electronic Materials U.S.A., Inc. | 270 |
2 |
NHK Spring Co., Ltd. | 1657 |
2 |
Samsung Display Co., Ltd. | 30585 |
1 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
1 |
Lam Research Corporation | 4775 |
1 |
Novellus Systems, Inc. | 559 |
1 |
Bayerische Motoren Werke Aktiengesellschaft | 13126 |
1 |
Japan Science and Technology Agency | 1564 |
1 |
Arkema France | 3790 |
1 |
Ferro Corporation | 279 |
1 |
Mitsui Mining & Smelting Co., Ltd. | 1373 |
1 |
Safran Aircraft Engines | 5739 |
1 |
Saint-Gobain Ceramics & Plastics, Inc. | 812 |
1 |
Versum Materials US, LLC | 591 |
1 |
Other owners | 6 |