- 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: 1450
10-year publication summary
|
86
|
91
|
92
|
76
|
82
|
87
|
69
|
95
|
88
|
27
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Powdertech Co., Ltd. | 137 |
62 |
| Dowa Electronics Materials Co., Ltd. | 639 |
55 |
| FUJIFILM Corporation | 30137 |
50 |
| Toda Kogyo Corporation | 343 |
33 |
| TDK Corporation | 6796 |
31 |
| National Institute of Advanced Industrial Science and Technology | 3794 |
24 |
| LG Chem, Ltd. | 17778 |
22 |
| The University of Tokyo | 4304 |
17 |
| Dowa Metals & Mining Co., Ltd. | 42 |
16 |
| JFE Chemical Corporation | 123 |
16 |
| Hitachi Metals, Ltd. | 1931 |
15 |
| Panasonic Intellectual Property Management Co., Ltd. | 33202 |
15 |
| Toyota Motor Corporation | 34214 |
13 |
| Toshiba Corporation | 12684 |
12 |
| Murata Manufacturing Co., Ltd. | 25356 |
12 |
| Rogers Corporation | 505 |
11 |
| Allumax TTI, LLC | 48 |
11 |
| Centre National de La Recherche Scientifique | 10841 |
10 |
| Harbin Institute of Technology | 468 |
10 |
| Dowa F-tec Co., Ltd. | 15 |
9 |
| Other owners | 1006 |