- 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 19/12 - Liquid-phase epitaxial-layer growth characterised by the substrate
Patent holdings for IPC class C30B 19/12
Total number of patents in this class: 174
10-year publication summary
|
28
|
31
|
23
|
11
|
6
|
6
|
5
|
5
|
5
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 4968 |
31 |
| Sumitomo Electric Industries, Ltd. | 15529 |
9 |
| Toyota Motor Corporation | 32450 |
8 |
| Kwansei Gakuin Educational Foundation | 218 |
7 |
| Toyo Tanso Co., Ltd. | 221 |
6 |
| National University Corporation Nagoya University | 855 |
5 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12787 |
5 |
| The Regents of the University of California | 19961 |
4 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42945 |
4 |
| TDK Corporation | 6761 |
4 |
| Central Glass Company, Limited | 1264 |
4 |
| Sumitomo Metal Mining Co., Ltd. | 1778 |
4 |
| Samsung Electronics Co., Ltd. | 146811 |
3 |
| Corning Incorporated | 10275 |
3 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
3 |
| Osaka University | 3379 |
3 |
| The Penn State Research Foundation | 1527 |
3 |
| Quest Integrity USA, LLC | 52 |
3 |
| Tohoku University | 2792 |
3 |
| Resonac Corporation | 2812 |
3 |
| Other owners | 59 |