- 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 1/22 - Acidic compositions for etching magnesium or alloys thereof
Patent holdings for IPC class C23F 1/22
Total number of patents in this class: 25
10-year publication summary
2
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2
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2
|
1
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0
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1
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2
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2
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1
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0
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Taisei Plas Co., Ltd. | 48 |
4 |
Canon Inc. | 36841 |
2 |
Okayama Prefectural Government | 11 |
2 |
Safran Aircraft Engines | 5739 |
2 |
Hori Metal Finishing Ind., Ltd. | 2 |
2 |
Sumitomo Electric Industries, Ltd. | 14131 |
1 |
Lam Research Corporation | 4775 |
1 |
Mitsui Chemicals, Inc. | 3134 |
1 |
Alcoa Inc. | 323 |
1 |
Ilkwangpolymer Co., Ltd. | 1 |
1 |
MEC Company Ltd. | 76 |
1 |
Microfabrica Inc. | 138 |
1 |
POSCO | 2222 |
1 |
Research Institute of Industrial Science & Technology | 378 |
1 |
Sumitomo Metal Mining Co., Ltd. | 1670 |
1 |
Tohoku Techno Arch Co., Ltd. | 135 |
1 |
TPR Industry Co., Ltd. | 46 |
1 |
Pure Surface Technology Co., Ltd. | 1 |
1 |
Other owners | 0 |