- All sections
- C - Chemistry; metallurgy
- C22B - Production or refining of metals; pretreatment of raw materials
- C22B 11/10 - Obtaining noble metals by amalgamating
Patent holdings for IPC class C22B 11/10
Total number of patents in this class: 12
10-year publication summary
|
2
|
0
|
2
|
0
|
0
|
0
|
0
|
4
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Excir Works Corp. | 28 |
2 |
| Honda Motor Co., Ltd. | 24537 |
1 |
| Toyota Motor Corporation | 28582 |
1 |
| Alvin C. Johnson, Jr. | 1 |
1 |
| Hiroshi Ishizuka | 2 |
1 |
| MacDermid Enthone Inc. | 237 |
1 |
| Midrex Technologies, Inc. | 103 |
1 |
| Richard Watson | 1 |
1 |
| University of Leeds | 279 |
1 |
| FLSmidth A/S | 923 |
1 |
| Karadeniz Teknik Universitesi | 12 |
1 |
| Other owners | 0 |