- 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: 1308
10-year publication summary
|
93
|
95
|
117
|
114
|
134
|
156
|
128
|
143
|
124
|
27
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 9932 |
540 |
| Nippon Electric Glass Co., Ltd. | 2299 |
104 |
| Agc, Inc. | 4029 |
96 |
| SCHOTT AG | 1675 |
76 |
| Ivoclar Vivadent AG | 1060 |
68 |
| Ohara Inc. | 200 |
29 |
| Hoya Corporation | 2822 |
19 |
| HASS Co., Ltd. | 54 |
18 |
| Asahi Glass Company, Limited | 2985 |
16 |
| DeguDent GmbH | 238 |
14 |
| DENTSPLY SIRONA Inc. | 1860 |
14 |
| SCHOTT Glass Technologies (Suzhou) Co. Ltd. | 94 |
13 |
| Vita Zahnfabrik H. Rauter GmbH & Co. KG | 294 |
13 |
| LG Electronics Inc. | 69257 |
9 |
| CDGM Glass Co., Ltd | 124 |
9 |
| Nippon Sheet Glass Company, Limited | 992 |
9 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
7 |
| CSG Holding Co., Ltd. | 29 |
7 |
| Eurokera S.N.C. | 158 |
7 |
| Kornerstone Materials Technology Co., Ltd. | 28 |
7 |
| Other owners | 233 |