- 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 29/16 - Oxides
Patent holdings for IPC class C30B 29/16
Total number of patents in this class: 636
10-year publication summary
|
40
|
53
|
31
|
32
|
38
|
56
|
53
|
57
|
69
|
15
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tamura Corporation | 350 |
54 |
| NGK Insulators, Ltd. | 4589 |
38 |
| Flosfia Inc. | 210 |
31 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
25 |
| Novel Crystal Technology, Inc. | 56 |
15 |
| Hangzhou Fujia Gallium Technology Co. Ltd. | 20 |
13 |
| National University Corporation Tokyo University of Agriculture and Technology | 341 |
12 |
| Koha Co., Ltd. | 61 |
11 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
9 |
| National Institute of Information and Communications Technology | 594 |
9 |
| PT SPE Subco LLC | 42 |
9 |
| TDK Corporation | 6306 |
8 |
| PT SPE Topco LLC | 26 |
8 |
| Denso Corporation | 23338 |
7 |
| National Institute for Materials Science | 1108 |
7 |
| Agc, Inc. | 4029 |
7 |
| Cornell University | 3036 |
6 |
| National University Corporation Kyoto Institute of Technology | 182 |
6 |
| Centre National de La Recherche Scientifique | 9632 |
5 |
| Fujikoshi Machinery Corp. | 54 |
5 |
| Other owners | 351 |