- 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: 177
10-year publication summary
|
7
|
19
|
16
|
15
|
16
|
12
|
11
|
14
|
9
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 5856 |
12 |
| Sumitomo Metal Mining Co., Ltd. | 1895 |
10 |
| NGK Insulators, Ltd. | 5203 |
7 |
| Soitec | 1053 |
7 |
| TDG Holding Co., Ltd. | 27 |
6 |
| Fujian Jing' an Optoelectronics Co., Ltd | 26 |
6 |
| Kyocera Corporation | 14185 |
5 |
| Shanghai Institute of Ceramics, Chinese Academy of Sciences | 161 |
5 |
| Murata Manufacturing Co., Ltd. | 25241 |
4 |
| META Platforms Technologies, LLC | 6158 |
4 |
| Nippon Telegraph and Telephone Corporation | 16266 |
3 |
| National Institute of Advanced Industrial Science and Technology | 3799 |
3 |
| Research and Development Center, Shanghai Institute of Ceramics | 14 |
3 |
| TRS Technologies, Inc. | 14 |
3 |
| TDK Corporation | 6775 |
2 |
| Massachusetts Institute of Technology | 10178 |
2 |
| Wisconsin Alumni Research Foundation | 3923 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10976 |
2 |
| citizen Finedevice Co., Ltd. | 64 |
2 |
| citizen Watch Co., Ltd. | 1080 |
2 |
| Other owners | 87 |