- All sections
- C - Chemistry; metallurgy
- C01G - Compounds containing metals not covered by subclasses or
- C01G 35/00 - Compounds of tantalum
Patent holdings for IPC class C01G 35/00
Total number of patents in this class: 301
10-year publication summary
|
15
|
25
|
23
|
29
|
20
|
21
|
21
|
23
|
32
|
10
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| National Institute of Advanced Industrial Science and Technology | 3677 |
18 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
13 |
| Samsung Electronics Co., Ltd. | 131630 |
10 |
| Toshiba Corporation | 12017 |
10 |
| Mitsui Mining & Smelting Co., Ltd. | 1373 |
9 |
| TDK Corporation | 6306 |
8 |
| Murata Manufacturing Co., Ltd. | 22355 |
6 |
| Skyworks Solutions, Inc. | 3450 |
6 |
| BASF SE | 19740 |
5 |
| Seiko Epson Corporation | 18724 |
5 |
| Robert Bosch GmbH | 40953 |
5 |
| Sumitomo Chemical Company, Limited | 8808 |
5 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
5 |
| DIC Corporation | 3597 |
5 |
| Toyota Motor Corporation | 28582 |
3 |
| Kyocera Corporation | 12735 |
3 |
| FPInnovations | 259 |
3 |
| Kabushiki Kaisha Toyota Chuo Kenkyusho | 587 |
3 |
| Kyoto University | 2732 |
3 |
| The Shepherd Color Company | 46 |
3 |
| Other owners | 173 |