- 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 13/00 - Single-crystal growth by zone-melting; Refining by zone-melting
Patent holdings for IPC class C30B 13/00
Total number of patents in this class: 94
10-year publication summary
|
5
|
16
|
7
|
3
|
12
|
3
|
7
|
3
|
2
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shin-Etsu Chemical Co., Ltd. | 5132 |
7 |
| The Trustees of Columbia University in the City of New York | 3440 |
5 |
| Crystal Systems Corporation | 16 |
4 |
| Shin-Etsu Handotai Co., Ltd. | 1277 |
4 |
| Siltronic AG | 395 |
4 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
2 |
| National Taiwan University | 1140 |
2 |
| N.e.d. Silicon S.p.A. | 3 |
2 |
| Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences | 129 |
2 |
| Sumco Corporation | 1116 |
2 |
| Sumco TECHXIV Corporation | 109 |
2 |
| Tamura Corporation | 350 |
2 |
| University of Cincinnati | 797 |
2 |
| Nanjing Tongli Crystal Materials Research Institute Co., Ltd | 16 |
2 |
| Siemens AG | 24990 |
1 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
1 |
| Kyocera Corporation | 12735 |
1 |
| Corning Incorporated | 9932 |
1 |
| Fuji Electric Co., Ltd. | 4750 |
1 |
| The Johns Hopkins University | 5377 |
1 |
| Other owners | 46 |