- 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 25/02 - Epitaxial-layer growth
Patent holdings for IPC class C30B 25/02
Total number of patents in this class: 755
10-year publication summary
|
54
|
63
|
55
|
53
|
56
|
56
|
53
|
40
|
35
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Applied Materials, Inc. | 20363 |
31 |
| Shin-Etsu Handotai Co., Ltd. | 1306 |
18 |
| Element Six Technologies Limited | 207 |
17 |
| Flosfia Inc. | 242 |
16 |
| Sumco Corporation | 1108 |
15 |
| Sumitomo Chemical Company, Limited | 8996 |
14 |
| Sumitomo Electric Industries, Ltd. | 16305 |
13 |
| Hon Hai Precision Industry Co., Ltd. | 4026 |
13 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48248 |
13 |
| Shin-Etsu Chemical Co., Ltd. | 6083 |
13 |
| Tsinghua University | 6212 |
13 |
| NGK Insulators, Ltd. | 5232 |
12 |
| Freiberger Compound Materials GmbH | 56 |
12 |
| Resonac Corporation | 3516 |
11 |
| ASM IP Holding B.V. | 2387 |
10 |
| Siltronic AG | 433 |
10 |
| Mitsubishi Chemical Corporation | 4721 |
9 |
| Mainstream Engineering Corporation | 156 |
9 |
| The United States of America as represented by the Secretary of the Air Force | 924 |
9 |
| Panasonic Holdings Corporation | 1791 |
9 |
| Other owners | 488 |