- All sections
- C - Chemistrymetallurgy
- C03B - Manufacture or shaping of glass, or of mineral or slag woolsupplementary processes in the manufacture or shaping of glass, or of mineral or slag wool
- C03B 32/02 - Thermal crystallisation, e.g. for crystallising glass bodies into glass-ceramic articles
Patent holdings for IPC class C03B 32/02
Total number of patents in this class: 499
10-year publication summary
|
36
|
42
|
32
|
42
|
51
|
38
|
36
|
50
|
51
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10252 |
116 |
| Ivoclar Vivadent AG | 1048 |
31 |
| SCHOTT AG | 1716 |
31 |
| Agc, Inc. | 4772 |
27 |
| Nippon Electric Glass Co., Ltd. | 2456 |
23 |
| Chongqing Aureavia Hi-Tech Glass Co., Ltd. | 68 |
18 |
| Vita Zahnfabrik H. Rauter GmbH & Co. KG | 296 |
17 |
| HASS Co., Ltd. | 62 |
15 |
| DeguDent GmbH | 223 |
14 |
| Eurokera S.N.C. | 153 |
13 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4914 |
9 |
| Ohara Inc. | 217 |
9 |
| Honor Device Co., Ltd. | 5031 |
6 |
| Huawei Technologies Co., Ltd. | 111449 |
5 |
| CDGM Glass Co., Ltd | 136 |
5 |
| DENTSPLY SIRONA Inc. | 1864 |
4 |
| Hainan University | 160 |
4 |
| Sumita Optical Glass, Inc. | 43 |
4 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6115 |
4 |
| Aidite (Qinhuangdao) Technology Co., Ltd. | 79 |
4 |
| Other owners | 140 |