- All sections
- C - Chemistry; metallurgy
- C30B - Single-crystal growth; unidirectional solidification of eutectic material or unidirectional demixing of eutectoid material; refining by zone-melting of material; production of a homogeneous polycrystalline material with defined structure; single crystals or homogeneous polycrystalline material with defined structure; after-treatment of single crystals or a homogeneous polycrystalline material with defined structure; apparatus therefor
- C30B 23/02 - Epitaxial-layer growth
Patent holdings for IPC class C30B 23/02
Total number of patents in this class: 673
10-year publication summary
62
|
54
|
63
|
40
|
64
|
48
|
71
|
79
|
59
|
19
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Resonac Corporation | 2233 |
32 |
Sumitomo Electric Industries, Ltd. | 14131 |
26 |
Crystal IS, Inc. | 122 |
18 |
Senic Inc. | 40 |
16 |
SiCrystal GmbH | 32 |
14 |
Denso Corporation | 23338 |
13 |
Applied Materials, Inc. | 16587 |
11 |
Mitsubishi Chemical Corporation | 4313 |
11 |
Soitec | 892 |
11 |
Zadient Technologies SAS | 25 |
11 |
The Regents of the University of California | 18943 |
10 |
Toyota Tsusho Corporation | 163 |
10 |
NGK Insulators, Ltd. | 4589 |
8 |
Globalwafers Co., Ltd. | 561 |
8 |
GTAT Corporation | 114 |
8 |
Kwansei Gakuin Educational Foundation | 198 |
8 |
Kiselkarbid I Stockholm AB | 11 |
8 |
King Abdullah University of Science and Technology | 1703 |
7 |
International Business Machines Corporation | 60644 |
6 |
Shin-Etsu Handotai Co., Ltd. | 1277 |
6 |
Other owners | 431 |