- 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 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: 1375
10-year publication summary
|
95
|
117
|
114
|
134
|
156
|
128
|
143
|
126
|
105
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10087 |
572 |
| Nippon Electric Glass Co., Ltd. | 2388 |
109 |
| Agc, Inc. | 4414 |
98 |
| SCHOTT AG | 1671 |
87 |
| Ivoclar Vivadent AG | 1061 |
68 |
| Ohara Inc. | 213 |
31 |
| Hoya Corporation | 2812 |
19 |
| HASS Co., Ltd. | 58 |
18 |
| Asahi Glass Company, Limited | 2885 |
16 |
| DeguDent GmbH | 234 |
14 |
| DENTSPLY SIRONA Inc. | 1871 |
14 |
| Vita Zahnfabrik H. Rauter GmbH & Co. KG | 294 |
13 |
| SCHOTT Glass Technologies (Suzhou) Co. Ltd. | 96 |
12 |
| CDGM Glass Co., Ltd | 131 |
11 |
| LG Electronics Inc. | 70831 |
10 |
| Nippon Sheet Glass Company, Limited | 999 |
10 |
| Saint-Gobain Isover | 627 |
8 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4783 |
7 |
| CSG Holding Co., Ltd. | 30 |
7 |
| Eurokera S.N.C. | 152 |
7 |
| Other owners | 244 |