- All sections
- C - Chemistry; metallurgy
- C22B - Production or refining of metals; pretreatment of raw materials
- C22B 41/00 - Obtaining germanium
Patent holdings for IPC class C22B 41/00
Total number of patents in this class: 34
10-year publication summary
1
|
3
|
4
|
2
|
2
|
0
|
0
|
1
|
2
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Yunnan Dongchang Metal Tech Co., Ltd. | 4 |
4 |
Yunnan Lincang Xinyuan Germanium Industry Co., Ltd. | 4 |
4 |
Umicore | 542 |
3 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
2 |
Universidad de Sevilla | 372 |
2 |
Sumitomo Chemical Company, Limited | 8808 |
1 |
5N Plus Inc. | 39 |
1 |
Ecometales Limited | 12 |
1 |
Ecotec Gestione Impianti S.r.l. | 9 |
1 |
Gelest Technologies, Inc. | 16 |
1 |
The Governors of the University of Alberta | 869 |
1 |
Korea University Research and Business Foundation | 2561 |
1 |
Outotec (Finland) Oy | 491 |
1 |
Outotec Oyj | 318 |
1 |
Southern Research Institute | 207 |
1 |
Universidad Autonoma de Madrid | 200 |
1 |
Ultradots, Inc. | 8 |
1 |
Microbeam Technologies, Inc. | 6 |
1 |
Curium US LLC | 124 |
1 |
Nanoinnova Technologies S.L. | 2 |
1 |
Other owners | 4 |