- 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 3/095 - Glass compositions containing silica with 40% to 90% silica by weight containing rare earths
Patent holdings for IPC class C03C 3/095
Total number of patents in this class: 773
10-year publication summary
|
45
|
68
|
53
|
60
|
59
|
49
|
57
|
44
|
73
|
26
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10252 |
155 |
| Agc, Inc. | 4772 |
79 |
| Nippon Electric Glass Co., Ltd. | 2456 |
58 |
| SCHOTT AG | 1716 |
42 |
| Hoya Corporation | 2738 |
33 |
| Asahi Glass Company, Limited | 2806 |
26 |
| Electric Glass Fiber America, LLC | 65 |
25 |
| Nippon Sheet Glass Company, Limited | 995 |
23 |
| Ivoclar Vivadent AG | 1048 |
20 |
| Jushi Group Co., Ltd. | 121 |
20 |
| PPG Industries Ohio, Inc. | 3458 |
16 |
| Ohara Inc. | 217 |
14 |
| Vitro Flat Glass LLC | 454 |
11 |
| AGC Glass Europe | 1124 |
10 |
| 3D Glass Solutions, Inc. | 81 |
9 |
| Owens Corning Intellectual Capital, LLC | 1629 |
8 |
| Nippon Electric Glass America, Inc. | 21 |
8 |
| Tunghsu Group Co., Ltd. | 58 |
8 |
| CDGM Glass Co., Ltd | 136 |
7 |
| ABK Biomedical Incorporated | 30 |
6 |
| Other owners | 195 |