- 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: 1466
10-year publication summary
|
118
|
120
|
95
|
98
|
113
|
114
|
133
|
111
|
126
|
61
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Handotai Co., Ltd. | 1307 |
69 |
| Shin-Etsu Chemical Co., Ltd. | 6096 |
62 |
| Sumitomo Electric Industries, Ltd. | 16331 |
47 |
| NGK Insulators, Ltd. | 5236 |
41 |
| Applied Materials, Inc. | 20375 |
39 |
| Soitec | 1101 |
34 |
| Sumitomo Chemical Company, Limited | 9016 |
33 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11123 |
33 |
| Mitsubishi Chemical Corporation | 4724 |
24 |
| Element Six Technologies Limited | 207 |
24 |
| ASM IP Holding B.V. | 2397 |
21 |
| Sumco Corporation | 1111 |
19 |
| QROMIS, Inc. | 97 |
18 |
| Resonac Corporation | 3530 |
18 |
| Tsinghua University | 6211 |
17 |
| Centre National de La Recherche Scientifique | 11023 |
16 |
| Hon Hai Precision Industry Co., Ltd. | 4022 |
16 |
| Tokuyama Corporation | 1477 |
16 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48302 |
15 |
| Kyocera Corporation | 14359 |
14 |
| Other owners | 890 |