- 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: 775
10-year publication summary
|
44
|
65
|
53
|
59
|
55
|
48
|
55
|
44
|
72
|
33
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10275 |
155 |
| Agc, Inc. | 4868 |
79 |
| Nippon Electric Glass Co., Ltd. | 2463 |
58 |
| SCHOTT AG | 1711 |
43 |
| Hoya Corporation | 2747 |
33 |
| Asahi Glass Company, Limited | 2772 |
26 |
| Electric Glass Fiber America, LLC | 65 |
25 |
| Nippon Sheet Glass Company, Limited | 990 |
23 |
| Ivoclar Vivadent AG | 1053 |
20 |
| Jushi Group Co., Ltd. | 121 |
20 |
| PPG Industries Ohio, Inc. | 3449 |
16 |
| Ohara Inc. | 214 |
14 |
| Vitro Flat Glass LLC | 466 |
11 |
| AGC Glass Europe | 1133 |
10 |
| Owens Corning Intellectual Capital, LLC | 1632 |
10 |
| 3D Glass Solutions, Inc. | 80 |
9 |
| Nippon Electric Glass America, Inc. | 21 |
8 |
| Tunghsu Group Co., Ltd. | 58 |
8 |
| CDGM Glass Co., Ltd | 137 |
7 |
| SCHOTT Glass Technologies (Suzhou) Co. Ltd. | 102 |
7 |
| Other owners | 193 |