- 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: 1522
10-year publication summary
|
117
|
114
|
135
|
157
|
129
|
144
|
126
|
107
|
82
|
75
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10550 |
628 |
| Nippon Electric Glass Co., Ltd. | 2569 |
122 |
| Agc, Inc. | 5649 |
122 |
| SCHOTT AG | 1750 |
93 |
| Ivoclar Vivadent AG | 1033 |
67 |
| Ohara Inc. | 219 |
32 |
| Hoya Corporation | 2397 |
19 |
| HASS Co., Ltd. | 65 |
19 |
| Vita Zahnfabrik H. Rauter GmbH & Co. KG | 290 |
18 |
| Asahi Glass Company, Limited | 2592 |
16 |
| DeguDent GmbH | 203 |
13 |
| DENTSPLY SIRONA Inc. | 1811 |
13 |
| Chongqing Aureavia Hi-Tech Glass Co., Ltd. | 115 |
13 |
| CDGM Glass Co., Ltd | 148 |
12 |
| SCHOTT Glass Technologies (Suzhou) Co. Ltd. | 114 |
11 |
| LG Electronics Inc. | 76219 |
10 |
| Saint-Gobain Isover | 684 |
10 |
| Nippon Sheet Glass Company, Limited | 963 |
9 |
| Nitto Boseki Co., Ltd. | 303 |
8 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 5297 |
7 |
| Other owners | 280 |