- 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 15/30 - Mechanisms for rotating or moving either the melt or the crystal
Patent holdings for IPC class C30B 15/30
Total number of patents in this class: 183
10-year publication summary
|
8
|
13
|
20
|
17
|
10
|
18
|
16
|
27
|
20
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Globalwafers Co., Ltd. | 561 |
27 |
| Siltronic AG | 395 |
17 |
| Sumco Corporation | 1116 |
15 |
| SK Siltron Co., Ltd. | 146 |
13 |
| Meishan Boya Advanced Materials Co., Ltd. | 58 |
13 |
| Shin-Etsu Handotai Co., Ltd. | 1277 |
11 |
| Toyota Motor Corporation | 28582 |
6 |
| MEMC Electronic Materials, Inc. | 91 |
4 |
| Pva Tepla AG | 12 |
4 |
| Forschungsverbund Berlin e.V. | 194 |
3 |
| Hanwha Corporation | 258 |
3 |
| LG Siltron Inc. | 116 |
3 |
| Hanwha Solutions Corporation | 572 |
3 |
| Linton Crystal Technologies Corporation | 7 |
3 |
| Xi'an Eswin Material Technology Co., Ltd. | 45 |
3 |
| Centre National de La Recherche Scientifique | 9632 |
2 |
| Siemens Medical Solutions USA, Inc. | 1584 |
2 |
| Institut Polytechnique de Grenoble | 355 |
2 |
| JX Nippon Mining & Metals Corporation | 1576 |
2 |
| Universite Grenoble Alpes | 648 |
2 |
| Other owners | 45 |