- 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: 1473
10-year publication summary
|
92
|
92
|
96
|
83
|
87
|
91
|
73
|
96
|
91
|
55
|
| 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 | 30340 |
50 |
| Toda Kogyo Corporation | 341 |
32 |
| TDK Corporation | 6833 |
31 |
| National Institute of Advanced Industrial Science and Technology | 3792 |
24 |
| LG Chem, Ltd. | 17903 |
22 |
| JFE Chemical Corporation | 121 |
16 |
| The University of Tokyo | 4339 |
16 |
| Hitachi Metals, Ltd. | 1915 |
15 |
| Panasonic Intellectual Property Management Co., Ltd. | 33839 |
15 |
| Dowa Metals & Mining Co., Ltd. | 39 |
15 |
| Toyota Motor Corporation | 35106 |
13 |
| Toshiba Corporation | 12688 |
12 |
| Murata Manufacturing Co., Ltd. | 25615 |
12 |
| Rogers Corporation | 508 |
11 |
| Allumax TTI, LLC | 49 |
11 |
| Centre National de La Recherche Scientifique | 10922 |
10 |
| Harbin Institute of Technology | 482 |
10 |
| Lanxess Deutschland GmbH | 1142 |
9 |
| Other owners | 1033 |