- All sections
- C - Chemistry; metallurgy
- 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: 595
10-year publication summary
38
|
36
|
49
|
51
|
45
|
31
|
52
|
54
|
52
|
18
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Toshiba Corporation | 12017 |
35 |
Mitsui Mining & Smelting Co., Ltd. | 1373 |
19 |
National Institute of Advanced Industrial Science and Technology | 3677 |
17 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
16 |
Murata Manufacturing Co., Ltd. | 22355 |
14 |
Sumitomo Chemical Company, Limited | 8808 |
13 |
Toyota Motor Corporation | 28582 |
12 |
FUJIFILM Corporation | 27102 |
11 |
Agency for Science, Technology and Research | 3512 |
11 |
Taniobis GmbH | 68 |
11 |
The Regents of the University of California | 18943 |
10 |
TDK Corporation | 6306 |
10 |
Seiko Epson Corporation | 18724 |
9 |
Dowa Electronics Materials Co., Ltd. | 610 |
8 |
Toshiba Infrastructure Systems & Solutions Corporation | 957 |
8 |
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
8 |
Samsung Electronics Co., Ltd. | 131630 |
7 |
The Shepherd Color Company | 46 |
7 |
Echion Technologies Limited | 38 |
7 |
Robert Bosch GmbH | 40953 |
6 |
Other owners | 356 |