- 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: 1494
10-year publication summary
|
117
|
114
|
135
|
157
|
129
|
144
|
126
|
107
|
82
|
51
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10504 |
621 |
| Agc, Inc. | 5524 |
120 |
| Nippon Electric Glass Co., Ltd. | 2555 |
119 |
| SCHOTT AG | 1738 |
91 |
| Ivoclar Vivadent AG | 1047 |
67 |
| Ohara Inc. | 212 |
32 |
| HASS Co., Ltd. | 65 |
19 |
| Hoya Corporation | 2721 |
18 |
| Asahi Glass Company, Limited | 2622 |
16 |
| Vita Zahnfabrik H. Rauter GmbH & Co. KG | 289 |
15 |
| DeguDent GmbH | 204 |
13 |
| DENTSPLY SIRONA Inc. | 1818 |
13 |
| CDGM Glass Co., Ltd | 148 |
12 |
| SCHOTT Glass Technologies (Suzhou) Co. Ltd. | 114 |
11 |
| Chongqing Aureavia Hi-Tech Glass Co., Ltd. | 112 |
11 |
| LG Electronics Inc. | 75694 |
10 |
| Saint-Gobain Isover | 678 |
10 |
| Nitto Boseki Co., Ltd. | 302 |
8 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5257 |
7 |
| CSG Holding Co., Ltd. | 30 |
7 |
| Other owners | 274 |