- 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 3/247 - Silica-free oxide glass compositions containing halogen and at least one oxide, e.g. oxide of boron containing fluorine and phosphorus
Patent holdings for IPC class C03C 3/247
Total number of patents in this class: 159
10-year publication summary
|
9
|
11
|
15
|
15
|
4
|
6
|
10
|
6
|
6
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hoya Corporation | 2753 |
26 |
| Corning Incorporated | 10350 |
23 |
| CDGM Glass Co., Ltd | 143 |
20 |
| Agc, Inc. | 5117 |
14 |
| Nippon Electric Glass Co., Ltd. | 2497 |
13 |
| Asahi Glass Company, Limited | 2712 |
9 |
| Ohara Inc. | 207 |
8 |
| Pandian Bio-Medical Research Centre | 7 |
7 |
| Afo Research, Inc. | 7 |
6 |
| SCHOTT AG | 1718 |
5 |
| Nikon Corporation | 7269 |
3 |
| Korea Photonics Technology Institute | 177 |
3 |
| Nihon Yamamura Glass Co., Ltd. | 130 |
3 |
| IR Scientific Inc. | 12 |
3 |
| 3m Innovative Properties Company | 17609 |
1 |
| Samsung Display Co., Ltd. | 37068 |
1 |
| Applied Materials, Inc. | 19531 |
1 |
| National Institute of Advanced Industrial Science and Technology | 3800 |
1 |
| Bemis Company, Inc. | 234 |
1 |
| Central Glass Company, Limited | 1280 |
1 |
| Other owners | 10 |