- 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 3/097 - Glass compositions containing silica with 40% to 90% silica by weight containing phosphorus, niobium or tantalum
Patent holdings for IPC class C03C 3/097
Total number of patents in this class: 1447
10-year publication summary
|
94
|
113
|
110
|
135
|
151
|
126
|
142
|
125
|
106
|
80
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10389 |
606 |
| Nippon Electric Glass Co., Ltd. | 2483 |
113 |
| Agc, Inc. | 5036 |
107 |
| SCHOTT AG | 1716 |
92 |
| Ivoclar Vivadent AG | 1052 |
66 |
| Ohara Inc. | 209 |
34 |
| Hoya Corporation | 2761 |
21 |
| HASS Co., Ltd. | 64 |
19 |
| Asahi Glass Company, Limited | 2730 |
16 |
| Vita Zahnfabrik H. Rauter GmbH & Co. KG | 297 |
15 |
| DeguDent GmbH | 222 |
13 |
| DENTSPLY SIRONA Inc. | 1847 |
13 |
| CDGM Glass Co., Ltd | 142 |
12 |
| SCHOTT Glass Technologies (Suzhou) Co. Ltd. | 106 |
11 |
| LG Electronics Inc. | 73884 |
10 |
| Nippon Sheet Glass Company, Limited | 978 |
9 |
| Saint-Gobain Isover | 626 |
9 |
| Chongqing Aureavia Hi-Tech Glass Co., Ltd. | 93 |
9 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5090 |
7 |
| CSG Holding Co., Ltd. | 30 |
7 |
| Other owners | 258 |