- All sections
- C - Chemistrymetallurgy
- 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: 358
10-year publication summary
|
23
|
30
|
20
|
21
|
23
|
23
|
33
|
25
|
33
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| National Institute of Advanced Industrial Science and Technology | 3793 |
19 |
| Panasonic Intellectual Property Management Co., Ltd. | 34080 |
15 |
| Mitsui Mining & Smelting Co., Ltd. | 1096 |
12 |
| Samsung Electronics Co., Ltd. | 158156 |
11 |
| Toshiba Corporation | 12577 |
10 |
| TDK Corporation | 6884 |
8 |
| Sumitomo Chemical Company, Limited | 8968 |
7 |
| Denso Corporation | 25607 |
6 |
| Murata Manufacturing Co., Ltd. | 25776 |
6 |
| NGK Insulators, Ltd. | 5241 |
6 |
| DIC Corporation | 3965 |
6 |
| Skyworks Solutions, Inc. | 3959 |
6 |
| Taiyo Yuden Co., Ltd. | 2033 |
6 |
| BASF SE | 21318 |
5 |
| Seiko Epson Corporation | 20288 |
5 |
| Robert Bosch GmbH | 44209 |
5 |
| Kyoto University | 2909 |
5 |
| Mitsui Kinzoku Company, Limited | 438 |
5 |
| Shin-Etsu Chemical Co., Ltd. | 6113 |
4 |
| Ningxia Orient Tantalum Industry Co., Ltd. | 58 |
4 |
| Other owners | 207 |