- 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 23/02 - Epitaxial-layer growth
Patent holdings for IPC class C30B 23/02
Total number of patents in this class: 759
10-year publication summary
|
54
|
63
|
41
|
63
|
48
|
73
|
80
|
64
|
48
|
43
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Resonac Corporation | 2812 |
35 |
| Sumitomo Electric Industries, Ltd. | 15529 |
29 |
| Crystal IS, Inc. | 125 |
21 |
| Senic Inc. | 47 |
18 |
| Denso Corporation | 24355 |
16 |
| SiCrystal GmbH | 40 |
16 |
| Toyota Tsusho Corporation | 182 |
15 |
| Kwansei Gakuin Educational Foundation | 218 |
13 |
| Mitsubishi Chemical Corporation | 4525 |
12 |
| Soitec | 1018 |
12 |
| Zadient Technologies SAS | 32 |
11 |
| The Regents of the University of California | 19961 |
10 |
| Applied Materials, Inc. | 18746 |
10 |
| NGK Insulators, Ltd. | 4968 |
9 |
| Wolfspeed, Inc. | 716 |
9 |
| The Regents of the University of Michigan | 4711 |
8 |
| Globalwafers Co., Ltd. | 643 |
8 |
| GTAT Corporation | 113 |
8 |
| II-VI Advanced Materials, LLC | 51 |
8 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10931 |
7 |
| Other owners | 484 |