- 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: 257
10-year publication summary
|
24
|
23
|
25
|
18
|
9
|
18
|
11
|
12
|
11
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
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. | 2547 |
27 |
| Corning Incorporated | 10479 |
18 |
| Ivoclar Vivadent AG | 1050 |
10 |
| Sun Yat-sen University | 727 |
8 |
| Bass Co., Ltd. | 44 |
7 |
| OSRAM GmbH | 2242 |
5 |
| Central Glass Company, Limited | 1293 |
5 |
| OSRAM Opto Semiconductors GmbH | 3250 |
4 |
| SCHOTT AG | 1742 |
4 |
| SCHOTT Corporation | 67 |
4 |
| Asahi Glass Company, Limited | 2638 |
3 |
| Appotronics Corporation Limited | 1132 |
3 |
| Heraeus Quarzglas GmbH & Co. KG | 419 |
3 |
| Shenzhen Upcera Dental Technology Co., Ltd. | 35 |
3 |
| Ylx Incorporated | 200 |
3 |
| Vibrantz Corporation | 90 |
3 |
| Centre National de La Recherche Scientifique | 10977 |
2 |
| Afo Research, Inc. | 7 |
2 |
| D. Swarovski KG | 101 |
2 |
| Other owners | 113 |