- 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 35/00 - Apparatus not otherwise provided for, specially adapted for the growth, production or after-treatment of single crystals or of a homogeneous polycrystalline material with defined structure
Patent holdings for IPC class C30B 35/00
Total number of patents in this class: 785
10-year publication summary
|
38
|
36
|
34
|
40
|
51
|
73
|
56
|
61
|
55
|
24
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumco Corporation | 1116 |
55 |
| Globalwafers Co., Ltd. | 561 |
30 |
| Resonac Corporation | 2233 |
25 |
| Applied Materials, Inc. | 16587 |
20 |
| Siltronic AG | 395 |
16 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
14 |
| Zadient Technologies SAS | 25 |
14 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
12 |
| GTAT Corporation | 114 |
12 |
| Ebner Industrieofenbau GmbH | 132 |
10 |
| LPE S.p.A. | 65 |
10 |
| Shin-Etsu Quartz Products Co., Ltd. | 160 |
10 |
| Shin-Etsu Handotai Co., Ltd. | 1277 |
9 |
| SLT Technologies, Inc. | 115 |
9 |
| Corner Star Limited | 95 |
8 |
| SK Siltron Co., Ltd. | 146 |
8 |
| Senic Inc. | 40 |
8 |
| High-purity Silicon Corporation | 78 |
8 |
| Sumitomo Electric Industries, Ltd. | 14131 |
7 |
| Toyoda Gosei Co., Ltd. | 1746 |
7 |
| Other owners | 493 |