- 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 15/08 - Downward pulling
Patent holdings for IPC class C30B 15/08
Total number of patents in this class: 39
10-year publication summary
1
|
3
|
0
|
1
|
1
|
1
|
6
|
3
|
2
|
2
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Tohoku University | 2783 |
5 |
International Business Machines Corporation | 61228 |
3 |
Globalwafers Co., Ltd. | 640 |
3 |
Shin-Etsu Chemical Co., Ltd. | 5658 |
2 |
Sumco Corporation | 1115 |
2 |
Tanaka Kikinzoku Kogyo K.K. | 583 |
2 |
Tokuyama Corporation | 1389 |
2 |
Novel Crystal Technology, Inc. | 61 |
2 |
C & a Corporation | 14 |
2 |
Nanjing Tongli Crystal Material Institute Co.Ltd | 3 |
2 |
TDK Corporation | 6738 |
1 |
Corning Incorporated | 10259 |
1 |
Empire Technology Development LLC | 1620 |
1 |
National Institute of Advanced Industrial Science and Technology | 3803 |
1 |
Forschungsverbund Berlin e.V. | 192 |
1 |
Korea Institute of Ceramic Engineering and Technology | 137 |
1 |
Safran Aircraft Engines | 6276 |
1 |
Shin-Etsu Handotai Co., Ltd. | 1284 |
1 |
Streicher Maschinenbau GmbH & Co. KG | 1 |
1 |
Tohoku Techno Arch Co., Ltd. | 127 |
1 |
Other owners | 4 |