- 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 3/16 - Silica-free oxide glass compositions containing phosphorus
Patent holdings for IPC class C03C 3/16
Total number of patents in this class: 221
10-year publication summary
|
16
|
16
|
20
|
16
|
16
|
12
|
22
|
16
|
4
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10125 |
37 |
| Nippon Electric Glass Co., Ltd. | 2396 |
25 |
| Hoya Corporation | 2745 |
20 |
| Ohara Inc. | 213 |
14 |
| Agc, Inc. | 4470 |
8 |
| Asahi Glass Company, Limited | 2882 |
6 |
| Goodrich Corporation | 2089 |
5 |
| SCHOTT AG | 1673 |
4 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10692 |
3 |
| National Institute of Advanced Industrial Science and Technology | 3736 |
3 |
| Ferton Holding S.A. | 198 |
3 |
| Universitetet I Oslo | 156 |
3 |
| Changzhou Fusion New Material Co., Ltd. | 61 |
3 |
| Centre National de La Recherche Scientifique | 10102 |
2 |
| Idemitsu Kosan Co., Ltd. | 4103 |
2 |
| Alps Electric Co., Ltd. | 835 |
2 |
| Afo Research, Inc. | 8 |
2 |
| Central Glass Company, Limited | 1246 |
2 |
| The Curators of the University of Missouri | 1000 |
2 |
| D. Swarovski KG | 101 |
2 |
| Other owners | 73 |