- All sections
- C - Chemistrymetallurgy
- C01G - Compounds containing metals not covered by subclasses or
- C01G 49/00 - Compounds of iron
Patent holdings for IPC class C01G 49/00
Total number of patents in this class: 1496
10-year publication summary
|
92
|
92
|
96
|
83
|
87
|
91
|
73
|
96
|
92
|
73
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Powdertech Co., Ltd. | 138 |
63 |
| Dowa Electronics Materials Co., Ltd. | 636 |
53 |
| FUJIFILM Corporation | 30543 |
50 |
| TDK Corporation | 6884 |
31 |
| Toda Kogyo Corporation | 329 |
31 |
| National Institute of Advanced Industrial Science and Technology | 3793 |
24 |
| LG Chem, Ltd. | 17937 |
22 |
| Toyota Motor Corporation | 35857 |
17 |
| The University of Tokyo | 4372 |
17 |
| JFE Chemical Corporation | 121 |
16 |
| Hitachi Metals, Ltd. | 1896 |
15 |
| Panasonic Intellectual Property Management Co., Ltd. | 34080 |
15 |
| Dowa Metals & Mining Co., Ltd. | 40 |
14 |
| Toshiba Corporation | 12577 |
12 |
| Murata Manufacturing Co., Ltd. | 25776 |
12 |
| Rogers Corporation | 511 |
11 |
| Allumax TTI, LLC | 50 |
11 |
| Centre National de La Recherche Scientifique | 11042 |
10 |
| Harbin Institute of Technology | 496 |
10 |
| Lanxess Deutschland GmbH | 1143 |
9 |
| Other owners | 1053 |