- 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 33/06 - Joining of crystals
Patent holdings for IPC class C30B 33/06
Total number of patents in this class: 295
10-year publication summary
23
|
28
|
31
|
30
|
24
|
20
|
27
|
16
|
14
|
7
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sumitomo Electric Industries, Ltd. | 14131 |
21 |
Soitec | 892 |
20 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
19 |
Disco Corporation | 1745 |
14 |
Mitsubishi Chemical Corporation | 4313 |
11 |
NGK Insulators, Ltd. | 4589 |
9 |
Siltectra GmbH | 88 |
9 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
6 |
QROMIS, Inc. | 87 |
6 |
Apple Inc. | 50209 |
5 |
National Institute of Advanced Industrial Science and Technology | 3677 |
5 |
Shin-Etsu Handotai Co., Ltd. | 1277 |
5 |
SLT Technologies, Inc. | 115 |
5 |
The 13th Research Institute of China Electronics Technology Group Corporation | 118 |
4 |
CUSIC Inc. | 16 |
4 |
Crystal IS, Inc. | 122 |
3 |
Element Six Technologies Limited | 179 |
3 |
HRL Laboratories, LLC | 1588 |
3 |
Lumileds LLC | 1827 |
3 |
SCHOTT AG | 1675 |
3 |
Other owners | 137 |