- 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: 1506
10-year publication summary
|
92
|
92
|
96
|
83
|
87
|
91
|
73
|
96
|
92
|
87
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Powdertech Co., Ltd. | 139 |
64 |
| Dowa Electronics Materials Co., Ltd. | 632 |
53 |
| FUJIFILM Corporation | 30849 |
50 |
| TDK Corporation | 7027 |
32 |
| Toda Kogyo Corporation | 331 |
32 |
| National Institute of Advanced Industrial Science and Technology | 3789 |
23 |
| LG Chem, Ltd. | 17997 |
22 |
| Toyota Motor Corporation | 36465 |
17 |
| The University of Tokyo | 4409 |
17 |
| JFE Chemical Corporation | 124 |
16 |
| Hitachi Metals, Ltd. | 1813 |
15 |
| Panasonic Intellectual Property Management Co., Ltd. | 34685 |
15 |
| Toshiba Corporation | 12754 |
12 |
| Murata Manufacturing Co., Ltd. | 26029 |
12 |
| Dowa Metals & Mining Co., Ltd. | 39 |
12 |
| Rogers Corporation | 512 |
11 |
| Allumax TTI, LLC | 51 |
11 |
| Centre National de La Recherche Scientifique | 11143 |
10 |
| Harbin Institute of Technology | 504 |
10 |
| Lanxess Deutschland GmbH | 1151 |
9 |
| Other owners | 1063 |