- 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 3/16 - Silica-free oxide glass compositions containing phosphorus
Patent holdings for IPC class C03C 3/16
Total number of patents in this class: 229
10-year publication summary
|
16
|
15
|
20
|
16
|
16
|
11
|
21
|
16
|
4
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10320 |
39 |
| Nippon Electric Glass Co., Ltd. | 2470 |
25 |
| Hoya Corporation | 2754 |
21 |
| Ohara Inc. | 212 |
14 |
| Agc, Inc. | 4940 |
11 |
| Asahi Glass Company, Limited | 2760 |
5 |
| Goodrich Corporation | 2137 |
5 |
| SCHOTT AG | 1709 |
4 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10949 |
3 |
| National Institute of Advanced Industrial Science and Technology | 3799 |
3 |
| Ferton Holding S.A. | 208 |
3 |
| Universitetet I Oslo | 159 |
3 |
| Changzhou Fusion New Material Co., Ltd. | 56 |
3 |
| Centre National de La Recherche Scientifique | 10564 |
2 |
| Idemitsu Kosan Co., Ltd. | 4237 |
2 |
| Alps Electric Co., Ltd. | 804 |
2 |
| CDGM Glass Co., Ltd | 139 |
2 |
| Central Glass Company, Limited | 1273 |
2 |
| The Curators of the University of Missouri | 1056 |
2 |
| D. Swarovski KG | 103 |
2 |
| Other owners | 76 |