- 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: 338
10-year publication summary
|
24
|
22
|
29
|
19
|
21
|
23
|
23
|
31
|
25
|
26
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| National Institute of Advanced Industrial Science and Technology | 3797 |
19 |
| Panasonic Intellectual Property Management Co., Ltd. | 32095 |
15 |
| Mitsui Mining & Smelting Co., Ltd. | 1512 |
15 |
| Samsung Electronics Co., Ltd. | 148077 |
11 |
| Toshiba Corporation | 12514 |
10 |
| TDK Corporation | 6878 |
8 |
| Sumitomo Chemical Company, Limited | 9092 |
7 |
| Murata Manufacturing Co., Ltd. | 24843 |
6 |
| DIC Corporation | 3823 |
6 |
| Skyworks Solutions, Inc. | 3770 |
6 |
| BASF SE | 21036 |
5 |
| Seiko Epson Corporation | 19671 |
5 |
| Robert Bosch GmbH | 42861 |
5 |
| Kyoto University | 2828 |
5 |
| Taiyo Yuden Co., Ltd. | 1976 |
5 |
| Denso Corporation | 24588 |
4 |
| Shin-Etsu Chemical Co., Ltd. | 5715 |
4 |
| Wildcat Discovery Technologies, Inc. | 136 |
4 |
| Toyota Motor Corporation | 33077 |
3 |
| Kyocera Corporation | 13997 |
3 |
| Other owners | 192 |