- 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: 228
10-year publication summary
16
|
16
|
20
|
16
|
16
|
12
|
23
|
16
|
4
|
8
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Corning Incorporated | 10257 |
39 |
Nippon Electric Glass Co., Ltd. | 2455 |
25 |
Hoya Corporation | 2746 |
21 |
Ohara Inc. | 217 |
14 |
Agc, Inc. | 4827 |
10 |
Asahi Glass Company, Limited | 2792 |
6 |
Goodrich Corporation | 2123 |
5 |
SCHOTT AG | 1712 |
4 |
Commissariat à l'énergie atomique et aux energies alternatives | 10923 |
3 |
National Institute of Advanced Industrial Science and Technology | 3805 |
3 |
Ferton Holding S.A. | 205 |
3 |
Universitetet I Oslo | 157 |
3 |
Changzhou Fusion New Material Co., Ltd. | 56 |
3 |
Centre National de La Recherche Scientifique | 10421 |
2 |
Idemitsu Kosan Co., Ltd. | 4220 |
2 |
Alps Electric Co., Ltd. | 810 |
2 |
CDGM Glass Co., Ltd | 137 |
2 |
Central Glass Company, Limited | 1263 |
2 |
The Curators of the University of Missouri | 1043 |
2 |
D. Swarovski KG | 103 |
2 |
Other owners | 75 |