- 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 29/22 - Complex oxides
Patent holdings for IPC class C30B 29/22
Total number of patents in this class: 436
10-year publication summary
|
22
|
44
|
41
|
25
|
34
|
39
|
34
|
34
|
33
|
16
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Meishan Boya Advanced Materials Co., Ltd. | 58 |
15 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
13 |
| Shin-Etsu Chemical Co., Ltd. | 5132 |
13 |
| National Institute of Advanced Industrial Science and Technology | 3677 |
13 |
| The Xinjiang Technical Institute of Physics & Chemistry, Chinese Academy of Sciences | 29 |
11 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
9 |
| Soitec | 892 |
9 |
| Fuji Electric Co., Ltd. | 4750 |
8 |
| Sumitomo Metal Mining Co., Ltd. | 1670 |
8 |
| Sumitomo Electric Industries, Ltd. | 14131 |
7 |
| Fujian Institute of Research on The Structure of Matter, Chinese Academy of Sciences | 98 |
7 |
| Powdertech Co., Ltd. | 132 |
7 |
| Shanghai Institute of Ceramics, Chinese Academy of Sciences | 153 |
6 |
| Flosfia Inc. | 210 |
5 |
| Tohoku University | 2526 |
5 |
| Toyo Kohan Co., Ltd. | 413 |
5 |
| 6K Inc | 132 |
5 |
| Panasonic Corporation | 20786 |
4 |
| SAE Magnetics (H.K.) Ltd. | 355 |
4 |
| Japan Science and Technology Agency | 1564 |
4 |
| Other owners | 278 |