- 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 29/64 - Flat crystals, e.g. plates, strips or discs
Patent holdings for IPC class C30B 29/64
Total number of patents in this class: 103
10-year publication summary
|
15
|
7
|
13
|
13
|
5
|
10
|
14
|
8
|
9
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nanoxplore Inc. | 43 |
9 |
| Seoul Semiconductor Co., Ltd. | 1073 |
6 |
| Sumitomo Electric Industries, Ltd. | 14131 |
5 |
| Universal Matter Inc. | 17 |
4 |
| Leading Edge Equipment Technologies, Inc. | 23 |
4 |
| Kyocera Corporation | 12735 |
3 |
| International Business Machines Corporation | 60644 |
2 |
| Corning Incorporated | 9932 |
2 |
| NGK Insulators, Ltd. | 4589 |
2 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
2 |
| AXT, Inc. | 22 |
2 |
| Board of Trustees of Northern Illinois University | 57 |
2 |
| Element Six Technologies Limited | 179 |
2 |
| University of Connecticut | 790 |
2 |
| Sunrise Memory Corporation | 192 |
2 |
| Nano CNET Ltd. | 2 |
2 |
| Institute of Analysis, Guangdong Academy of Sciences (China National Analytical Center, Guangzhou) | 12 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Honda Motor Co., Ltd. | 24537 |
1 |
| The Regents of the University of California | 18943 |
1 |
| Other owners | 47 |