- All sections
- G - Physics
- G01N - Investigating or analysing materials by determining their chemical or physical properties
- G01N 33/2028 - Metallic constituents
Patent holdings for IPC class G01N 33/2028
Total number of patents in this class: 62
10-year publication summary
|
0
|
2
|
6
|
5
|
11
|
7
|
10
|
5
|
8
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schlumberger Technology Corporation | 11449 |
8 |
| JFE Steel Corporation | 7308 |
5 |
| Nippon Steel Corporation | 6661 |
5 |
| House of Metals Company Limited | 34 |
4 |
| Predictive Nutrient Solutions, Inc. | 15 |
3 |
| Pratt & Whitney Canada Corp. | 5203 |
2 |
| Heraeus Electro-Nite International N.V. | 218 |
2 |
| Tibet Julong Copper Co., Ltd. | 10 |
2 |
| Schlumberger Canada Limited | 7544 |
1 |
| Xerox Corporation | 5694 |
1 |
| FUJIFILM Corporation | 30206 |
1 |
| Applied Materials, Inc. | 19938 |
1 |
| Northwestern University | 3503 |
1 |
| Alcoa USA Corp. | 201 |
1 |
| Centre de Recherches Metallurgiques ASBL - Centrum voor Research in de Metallurgie VZW | 39 |
1 |
| China University of Geosciences, Beijing | 78 |
1 |
| China University of Geosciences (Wuhan) | 95 |
1 |
| Danieli Automation SpA | 126 |
1 |
| Gwangju Institute of Science and Technology | 792 |
1 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2832 |
1 |
| Other owners | 19 |