- 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 30/04 - Production of single crystals or homogeneous polycrystalline material with defined structure characterised by the action of electric or magnetic fields, wave energy or other specific physical conditions using magnetic fields
Patent holdings for IPC class C30B 30/04
Total number of patents in this class: 162
10-year publication summary
|
11
|
9
|
8
|
11
|
10
|
18
|
15
|
19
|
11
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumco Corporation | 1116 |
27 |
| Globalwafers Co., Ltd. | 561 |
18 |
| Shin-Etsu Handotai Co., Ltd. | 1277 |
15 |
| Siltronic AG | 395 |
14 |
| Sumco TECHXIV Corporation | 109 |
4 |
| SK Siltron Co., Ltd. | 146 |
4 |
| Forschungsverbund Berlin e.V. | 194 |
3 |
| Siltron Inc. | 45 |
3 |
| Zing Semiconductor Corporation | 50 |
3 |
| Woongjin Energy Co., Ltd. | 19 |
3 |
| Applied Materials, Inc. | 16587 |
2 |
| Infineon Technologies AG | 8189 |
2 |
| NGK Insulators, Ltd. | 4589 |
2 |
| University of Yamanashi | 270 |
2 |
| DAEVAC International Co., Ltd. | 3 |
2 |
| Canon Kabushiki Kaisha | 6884 |
2 |
| Suzhou Bama Superconductive Technology Co., Ltd | 3 |
2 |
| SK Siltron Css, LLC | 18 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| The Regents of the University of California | 18943 |
1 |
| Other owners | 50 |