- 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 29/16 - Oxides
Patent holdings for IPC class C30B 29/16
Total number of patents in this class: 728
10-year publication summary
|
54
|
31
|
31
|
39
|
56
|
55
|
55
|
68
|
59
|
41
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tamura Corporation | 360 |
55 |
| NGK Insulators, Ltd. | 5046 |
41 |
| Flosfia Inc. | 237 |
39 |
| Shin-Etsu Chemical Co., Ltd. | 5687 |
30 |
| Agc, Inc. | 4922 |
16 |
| Novel Crystal Technology, Inc. | 61 |
16 |
| National University Corporation Tokyo University of Agriculture and Technology | 340 |
13 |
| Hangzhou Fujia Gallium Technology Co. Ltd. | 20 |
13 |
| National University Corporation Tokai National Higher Education and Research System | 749 |
12 |
| Koha Co., Ltd. | 62 |
11 |
| PT SPE Subco LLC | 47 |
10 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10946 |
9 |
| National Institute for Materials Science | 1105 |
9 |
| National Institute of Information and Communications Technology | 634 |
9 |
| TDK Corporation | 6839 |
8 |
| PT SPE Topco LLC | 24 |
8 |
| Denso Corporation | 24480 |
7 |
| Centre National de La Recherche Scientifique | 10531 |
6 |
| Cornell University | 3330 |
6 |
| National University Corporation Kyoto Institute of Technology | 194 |
6 |
| Other owners | 404 |