- 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: 367
10-year publication summary
|
23
|
30
|
20
|
21
|
23
|
23
|
33
|
26
|
33
|
22
|
| 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 | 3791 |
19 |
| Panasonic Intellectual Property Management Co., Ltd. | 34623 |
15 |
| Mitsui Mining & Smelting Co., Ltd. | 1062 |
12 |
| Samsung Electronics Co., Ltd. | 159473 |
11 |
| Toshiba Corporation | 12727 |
10 |
| Mitsui Kinzoku Company, Limited | 521 |
10 |
| TDK Corporation | 7043 |
8 |
| Denso Corporation | 25820 |
7 |
| Murata Manufacturing Co., Ltd. | 25998 |
7 |
| Sumitomo Chemical Company, Limited | 8992 |
7 |
| NGK Insulators, Ltd. | 5168 |
6 |
| DIC Corporation | 4000 |
6 |
| Kyoto University | 2947 |
6 |
| Skyworks Solutions, Inc. | 3996 |
6 |
| Taiyo Yuden Co., Ltd. | 2062 |
6 |
| BASF SE | 21334 |
5 |
| Seiko Epson Corporation | 20536 |
5 |
| Robert Bosch GmbH | 44398 |
5 |
| Shin-Etsu Chemical Co., Ltd. | 6157 |
4 |
| Ningxia Orient Tantalum Industry Co., Ltd. | 58 |
4 |
| Other owners | 208 |