- 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 25/02 - Epitaxial-layer growth
Patent holdings for IPC class C30B 25/02
Total number of patents in this class: 707
10-year publication summary
53
|
39
|
54
|
63
|
55
|
53
|
52
|
51
|
45
|
9
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Applied Materials, Inc. | 16587 |
23 |
Element Six Technologies Limited | 179 |
16 |
Sumitomo Electric Industries, Ltd. | 14131 |
15 |
Sumco Corporation | 1116 |
15 |
Hon Hai Precision Industry Co., Ltd. | 4157 |
13 |
Tsinghua University | 5426 |
13 |
Freiberger Compound Materials GmbH | 61 |
13 |
Shin-Etsu Handotai Co., Ltd. | 1277 |
13 |
Sumitomo Chemical Company, Limited | 8808 |
12 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
12 |
ASM IP Holding B.V. | 1715 |
12 |
Resonac Corporation | 2233 |
12 |
Flosfia Inc. | 210 |
11 |
NGK Insulators, Ltd. | 4589 |
10 |
Mitsubishi Chemical Corporation | 4313 |
10 |
The Regents of the University of California | 18943 |
9 |
Mainstream Engineering Corporation | 143 |
9 |
Siltronic AG | 395 |
9 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
8 |
SLT Technologies, Inc. | 115 |
8 |
Other owners | 464 |