- All sections
- C - Chemistry; metallurgy
- 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: 1256
10-year publication summary
101
|
101
|
92
|
92
|
95
|
81
|
87
|
88
|
67
|
22
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Dowa Electronics Materials Co., Ltd. | 610 |
54 |
Powdertech Co., Ltd. | 132 |
53 |
FUJIFILM Corporation | 27102 |
50 |
TDK Corporation | 6306 |
31 |
Toda Kogyo Corporation | 323 |
25 |
National Institute of Advanced Industrial Science and Technology | 3677 |
23 |
LG Chem, Ltd. | 17205 |
21 |
The University of Tokyo | 3903 |
17 |
Hitachi Metals, Ltd. | 2175 |
16 |
Dowa Metals & Mining Co., Ltd. | 44 |
16 |
Murata Manufacturing Co., Ltd. | 22355 |
13 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
13 |
JFE Chemical Corporation | 116 |
13 |
Toshiba Corporation | 12017 |
12 |
Harbin Institute of Technology | 356 |
11 |
Allumax TTI, LLC | 42 |
11 |
Toyota Motor Corporation | 28582 |
10 |
Rogers Corporation | 445 |
10 |
Evonik Degussa GmbH | 1574 |
9 |
Dowa F-tec Co., Ltd. | 15 |
9 |
Other owners | 839 |