- 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 3/00 - Brightening metals by chemical means
Patent holdings for IPC class C23F 3/00
Total number of patents in this class: 87
10-year publication summary
11
|
8
|
9
|
7
|
6
|
5
|
5
|
2
|
4
|
5
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Applied Materials, Inc. | 16587 |
8 |
Micron Technology, Inc. | 24960 |
6 |
Tokyo Electron Limited | 11599 |
4 |
FUJIFILM Electronic Materials U.S.A., Inc. | 270 |
4 |
Fujimi Incorporated | 676 |
3 |
REM Technologies, Inc. | 16 |
3 |
Samsung Electronics Co., Ltd. | 131630 |
2 |
Hon Hai Precision Industry Co., Ltd. | 4157 |
2 |
Tsinghua University | 5426 |
2 |
Entegris, Inc. | 1736 |
2 |
Changxin Memory Technologies, Inc. | 4732 |
2 |
Biotyx Medical (Shenzhen) Co., Ltd. | 58 |
2 |
Adeia Semiconductor Bonding Technologies Inc. | 185 |
2 |
Apple Inc. | 50209 |
1 |
3m Innovative Properties Company | 18406 |
1 |
Toshiba Corporation | 12017 |
1 |
Renesas Electronics Corporation | 6305 |
1 |
GM Global Technology Operations LLC | 13620 |
1 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
1 |
Samsung SDI Co., Ltd. | 6671 |
1 |
Other owners | 38 |