- All sections
- C - Chemistrymetallurgy
- C03C - Chemical composition of glasses, glazes or vitreous enamelssurface treatment of glasssurface treatment of fibres or filaments made from glass, minerals or slagsjoining glass to glass or other materials
- C03C 4/12 - Compositions for glass with special properties for luminescent glassCompositions for glass with special properties for fluorescent glass
Patent holdings for IPC class C03C 4/12
Total number of patents in this class: 246
10-year publication summary
|
22
|
23
|
23
|
25
|
18
|
9
|
19
|
11
|
12
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Ocean's King Lighting Science & Technology Co., Ltd. | 273 |
28 |
| Nippon Electric Glass Co., Ltd. | 2463 |
24 |
| Corning Incorporated | 10275 |
16 |
| Ivoclar Vivadent AG | 1053 |
10 |
| Sun Yat-sen University | 678 |
8 |
| Central Glass Company, Limited | 1264 |
6 |
| Bass Co., Ltd. | 33 |
6 |
| OSRAM GmbH | 2382 |
5 |
| OSRAM Opto Semiconductors GmbH | 3311 |
4 |
| SCHOTT AG | 1711 |
4 |
| SCHOTT Corporation | 72 |
4 |
| Asahi Glass Company, Limited | 2772 |
3 |
| Appotronics Corporation Limited | 1115 |
3 |
| Ferro Corporation | 242 |
3 |
| Heraeus Quarzglas GmbH & Co. KG | 410 |
3 |
| Kyoto University | 2801 |
3 |
| Shenzhen Upcera Dental Technology Co., Ltd. | 32 |
3 |
| Ylx Incorporated | 194 |
3 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4969 |
2 |
| Afo Research, Inc. | 6 |
2 |
| Other owners | 106 |