- 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 29/36 - Carbides
Patent holdings for IPC class C30B 29/36
Total number of patents in this class: 2025
10-year publication summary
|
111
|
120
|
110
|
146
|
124
|
142
|
130
|
165
|
160
|
129
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 16355 |
249 |
| Resonac Corporation | 3546 |
158 |
| Denso Corporation | 25579 |
77 |
| Kwansei Gakuin Educational Foundation | 225 |
66 |
| Showa Denko K.K. | 2069 |
57 |
| Toyota Tsusho Corporation | 190 |
49 |
| Toyota Motor Corporation | 35813 |
45 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12378 |
45 |
| Nippon Steel & Sumitomo Metal Corporation | 1981 |
43 |
| SiCrystal GmbH | 47 |
40 |
| Mitsubishi Electric Corporation | 48048 |
35 |
| Shin-Etsu Handotai Co., Ltd. | 1306 |
34 |
| Wolfspeed, Inc. | 902 |
30 |
| Zadient Technologies SAS | 39 |
30 |
| Toyo Tanso Co., Ltd. | 217 |
28 |
| Sicc Co.,Ltd | 48 |
28 |
| Shin-Etsu Chemical Co., Ltd. | 6109 |
26 |
| Globalwafers Co., Ltd. | 730 |
26 |
| Meishan Boya Advanced Materials Co., Ltd. | 92 |
23 |
| ein Crystal Co., Ltd. | 28 |
23 |
| Other owners | 913 |