- 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: 47
10-year publication summary
0
|
0
|
0
|
2
|
6
|
5
|
12
|
8
|
10
|
2
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Schlumberger Technology Corporation | 9690 |
6 |
JFE Steel Corporation | 6067 |
5 |
Nippon Steel Corporation | 5649 |
5 |
House of Metals Company Limited | 33 |
4 |
Predictive Nutrient Solutions, Inc. | 9 |
3 |
Pratt & Whitney Canada Corp. | 4215 |
2 |
Heraeus Electro-Nite International N.V. | 211 |
2 |
Schlumberger Canada Limited | 6913 |
1 |
Xerox Corporation | 7503 |
1 |
FUJIFILM Corporation | 27102 |
1 |
Northwestern University | 3112 |
1 |
Alcoa USA Corp. | 187 |
1 |
Centre de Recherches Metallurgiques ASBL - Centrum voor Research in de Metallurgie VZW | 44 |
1 |
Gwangju Institute of Science and Technology | 703 |
1 |
Hydro-Quebec | 637 |
1 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
1 |
King Fahd University of Petroleum and Minerals | 779 |
1 |
Roche Diabetes Care, Inc. | 1492 |
1 |
Services Petroliers Schlumberger | 5426 |
1 |
Sami Shamoon College of Engineering (r.a.) | 17 |
1 |
Other owners | 7 |