- All sections
- C - Chemistrymetallurgy
- C01G - Compounds containing metals not covered by subclasses or
- C01G 33/00 - Compounds of niobium
Patent holdings for IPC class C01G 33/00
Total number of patents in this class: 682
10-year publication summary
|
48
|
49
|
45
|
31
|
49
|
52
|
52
|
41
|
54
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Corporation | 12684 |
36 |
| Mitsui Mining & Smelting Co., Ltd. | 1393 |
22 |
| Panasonic Intellectual Property Management Co., Ltd. | 33202 |
18 |
| National Institute of Advanced Industrial Science and Technology | 3794 |
18 |
| Sumitomo Chemical Company, Limited | 9057 |
16 |
| Echion Technologies Limited | 54 |
15 |
| Toyota Motor Corporation | 34214 |
12 |
| FUJIFILM Corporation | 30137 |
12 |
| Murata Manufacturing Co., Ltd. | 25356 |
12 |
| Agency for Science, Technology and Research | 3682 |
11 |
| The Regents of the University of California | 20473 |
10 |
| TDK Corporation | 6796 |
10 |
| Samsung Electronics Co., Ltd. | 152534 |
9 |
| Seiko Epson Corporation | 19895 |
9 |
| Dowa Electronics Materials Co., Ltd. | 639 |
8 |
| Toshiba Infrastructure Systems & Solutions Corporation | 699 |
8 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6209 |
8 |
| DIC Corporation | 3899 |
7 |
| Robert Bosch GmbH | 43428 |
6 |
| Board of Regents, The University of Texas System | 6036 |
6 |
| Other owners | 429 |