- All sections
- C - Chemistry; metallurgy
- C25D - Processes for the electrolytic or electrophoretic production of coatings; electroforming; joining workpieces by electrolysis; apparatus therefor
- C25D 11/36 - Phosphatising
Patent holdings for IPC class C25D 11/36
Total number of patents in this class: 85
10-year publication summary
|
8
|
6
|
10
|
7
|
4
|
5
|
3
|
2
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 5991 |
12 |
| JFE Steel Corporation | 6538 |
8 |
| Toyo Kohan Co., Ltd. | 410 |
6 |
| Atotech Deutschland GmbH | 566 |
4 |
| Chemetall GmbH | 381 |
4 |
| Henkel AG & Co. KGaA | 10343 |
3 |
| Magna International Inc. | 1256 |
3 |
| GE Infrastructure Technology, LLC | 6109 |
3 |
| Quatssant, LLC | 6 |
3 |
| JX Nippon Mining & Metals Corporation | 1526 |
2 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
2 |
| Tata Steel Ijmuiden B.V. | 300 |
2 |
| Toyo Seikan Co., Ltd. | 559 |
2 |
| STAKU Anlagenbau GmbH | 3 |
2 |
| Shenzhen Candortech Incorporated Company | 6 |
2 |
| Panasonic Corporation | 20327 |
1 |
| Robert Bosch GmbH | 41717 |
1 |
| The Board of Trustees of the Leland Stanford Junior University | 6229 |
1 |
| Depuy Synthes Products, LLC | 2817 |
1 |
| Glint Photonics, Inc. | 15 |
1 |
| Other owners | 22 |