- 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 25/18 - Epitaxial-layer growth characterised by the substrate
Patent holdings for IPC class C30B 25/18
Total number of patents in this class: 1357
10-year publication summary
|
87
|
118
|
120
|
95
|
98
|
112
|
113
|
129
|
111
|
74
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 5662 |
56 |
| Shin-Etsu Handotai Co., Ltd. | 1284 |
52 |
| Sumitomo Electric Industries, Ltd. | 15495 |
48 |
| NGK Insulators, Ltd. | 4964 |
37 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10912 |
33 |
| Sumitomo Chemical Company, Limited | 9047 |
32 |
| Soitec | 1016 |
32 |
| Applied Materials, Inc. | 18658 |
30 |
| Mitsubishi Chemical Corporation | 4514 |
27 |
| Element Six Technologies Limited | 193 |
20 |
| Sumco Corporation | 1114 |
19 |
| ASM IP Holding B.V. | 2078 |
18 |
| QROMIS, Inc. | 96 |
18 |
| Tsinghua University | 5931 |
17 |
| Resonac Corporation | 2815 |
17 |
| Hon Hai Precision Industry Co., Ltd. | 4034 |
16 |
| Tokuyama Corporation | 1392 |
16 |
| Centre National de La Recherche Scientifique | 10432 |
15 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42804 |
14 |
| Kyocera Corporation | 13831 |
14 |
| Other owners | 826 |