- All sections
- C - Chemistrymetallurgy
- C30B - Single-crystal growthunidirectional solidification of eutectic material or unidirectional demixing of eutectoid materialrefining by zone-melting of materialproduction of a homogeneous polycrystalline material with defined structuresingle crystals or homogeneous polycrystalline material with defined structureafter-treatment of single crystals or a homogeneous polycrystalline material with defined structureapparatus therefor
- C30B 29/40 - AIIIBV compounds
Patent holdings for IPC class C30B 29/40
Total number of patents in this class: 1661
10-year publication summary
|
148
|
135
|
116
|
121
|
116
|
105
|
126
|
104
|
102
|
69
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 5199 |
78 |
| Mitsubishi Chemical Corporation | 4724 |
66 |
| Sumitomo Chemical Company, Limited | 8963 |
58 |
| SLT Technologies, Inc. | 131 |
55 |
| Sumitomo Electric Industries, Ltd. | 16412 |
54 |
| Crystal IS, Inc. | 121 |
46 |
| Sixpoint Materials, Inc. | 78 |
45 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11130 |
30 |
| Soitec | 1109 |
28 |
| QROMIS, Inc. | 96 |
27 |
| Toyoda Gosei Co., Ltd. | 1856 |
24 |
| Shin-Etsu Handotai Co., Ltd. | 1308 |
24 |
| Samsung Electronics Co., Ltd. | 158337 |
23 |
| The 13th Research Institute of China Electronics Technology Group Corporation | 135 |
23 |
| The Regents of the University of California | 20802 |
21 |
| The Regents of the University of Michigan | 5012 |
21 |
| Panasonic Holdings Corporation | 1776 |
21 |
| Freiberger Compound Materials GmbH | 55 |
20 |
| Tokuyama Corporation | 1482 |
20 |
| JX Nippon Mining & Metals Corporation | 1459 |
19 |
| Other owners | 958 |