- All sections
- C - Chemistrymetallurgy
- C01G - Compounds containing metals not covered by subclasses or
- C01G 27/00 - Compounds of hafnium
Patent holdings for IPC class C01G 27/00
Total number of patents in this class: 99
10-year publication summary
|
7
|
3
|
9
|
8
|
7
|
5
|
3
|
9
|
1
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 158842 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 34403 |
9 |
| Shin-Etsu Chemical Co., Ltd. | 6134 |
4 |
| Tokyo Institute of Technology | 1305 |
4 |
| BASF SE | 21328 |
3 |
| Centre National de La Recherche Scientifique | 11092 |
3 |
| Idemitsu Kosan Co., Ltd. | 4269 |
3 |
| Saint-Gobain Centre de Recherches et d'Etudes Europeen | 496 |
3 |
| Tohoku University | 3031 |
3 |
| 3m Innovative Properties Company | 17445 |
2 |
| Mitsubishi Chemical Corporation | 4742 |
2 |
| National Institute of Advanced Industrial Science and Technology | 3790 |
2 |
| Daiichi Kigenso Kagaku Kogyo Co., Ltd. | 178 |
2 |
| Florida State University Research Foundation, Inc. | 853 |
2 |
| University of Waterloo | 140 |
2 |
| General Electric Company | 13966 |
1 |
| The Regents of the University of California | 20868 |
1 |
| Toyota Motor Corporation | 36092 |
1 |
| Sumitomo Electric Industries, Ltd. | 16345 |
1 |
| Hitachi, Ltd. | 16194 |
1 |
| Other owners | 39 |