- All sections
- C - Chemistry; metallurgy
- C03C - Chemical composition of glasses, glazes or vitreous enamels; surface treatment of glass; surface treatment of fibres or filaments made from glass, minerals or slags; joining glass to glass or other materials
- C03C 4/12 - Compositions for glass with special properties for fluorescent glass
Patent holdings for IPC class C03C 4/12
Total number of patents in this class: 237
10-year publication summary
17
|
22
|
24
|
23
|
25
|
18
|
8
|
19
|
11
|
5
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
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. | 2299 |
22 |
Corning Incorporated | 9932 |
16 |
Ivoclar Vivadent AG | 1060 |
8 |
Sun Yat-sen University | 584 |
8 |
Central Glass Company, Limited | 1244 |
6 |
Bass Co., Ltd. | 25 |
6 |
OSRAM GmbH | 2442 |
5 |
OSRAM Opto Semiconductors GmbH | 3390 |
4 |
Ferro Corporation | 279 |
4 |
SCHOTT AG | 1675 |
4 |
SCHOTT Corporation | 77 |
4 |
Asahi Glass Company, Limited | 2985 |
3 |
National Institute of Advanced Industrial Science and Technology | 3677 |
3 |
Appotronics Corporation Limited | 1111 |
3 |
Heraeus Quarzglas GmbH & Co. KG | 420 |
3 |
Kyoto University | 2732 |
3 |
Shenzhen Upcera Dental Technology Co., Ltd. | 30 |
3 |
Ylx Incorporated | 179 |
3 |
Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
2 |
Other owners | 99 |