- All sections
- C - Chemistrymetallurgy
- C30B - Single-crystal growthunidirectional solidification of eutectic material or unidirectional demixing of eutectoid materialrefining by zone-melting of materialproduction of a homogeneous polycrystalline material with defined structuresingle crystals or homogeneous polycrystalline material with defined structureafter-treatment of single crystals or a homogeneous polycrystalline material with defined structureapparatus therefor
- C30B 29/30 - NiobatesVanadatesTantalates
Patent holdings for IPC class C30B 29/30
Total number of patents in this class: 170
10-year publication summary
|
13
|
7
|
19
|
16
|
15
|
16
|
12
|
9
|
14
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Metal Mining Co., Ltd. | 1780 |
10 |
| Shin-Etsu Chemical Co., Ltd. | 5674 |
9 |
| NGK Insulators, Ltd. | 4973 |
7 |
| Soitec | 1019 |
6 |
| TDG Holding Co., Ltd. | 26 |
6 |
| Fujian Jing' an Optoelectronics Co., Ltd | 26 |
6 |
| Murata Manufacturing Co., Ltd. | 24621 |
5 |
| Kyocera Corporation | 13861 |
5 |
| Shanghai Institute of Ceramics, Chinese Academy of Sciences | 159 |
5 |
| META Platforms Technologies, LLC | 5861 |
4 |
| Nippon Telegraph and Telephone Corporation | 17367 |
3 |
| National Institute of Advanced Industrial Science and Technology | 3789 |
3 |
| Research and Development Center, Shanghai Institute of Ceramics | 14 |
3 |
| TRS Technologies, Inc. | 14 |
3 |
| TDK Corporation | 6782 |
2 |
| Massachusetts Institute of Technology | 10066 |
2 |
| Wisconsin Alumni Research Foundation | 3889 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10931 |
2 |
| Purdue Research Foundation | 3638 |
2 |
| citizen Finedevice Co., Ltd. | 63 |
2 |
| Other owners | 83 |