- 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 3/091 - Glass compositions containing silica with 40% to 90% silica by weight containing boron containing aluminium
Patent holdings for IPC class C03C 3/091
Total number of patents in this class: 2179
10-year publication summary
|
140
|
168
|
167
|
158
|
166
|
167
|
167
|
170
|
133
|
82
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10275 |
735 |
| Nippon Electric Glass Co., Ltd. | 2463 |
335 |
| Agc, Inc. | 4868 |
231 |
| Asahi Glass Company, Limited | 2772 |
140 |
| SCHOTT AG | 1711 |
132 |
| Nippon Sheet Glass Company, Limited | 990 |
58 |
| AvanStrate Inc. | 105 |
33 |
| Saint-Gobain Isover | 633 |
21 |
| Hoya Corporation | 2747 |
19 |
| AGC Glass Europe | 1133 |
18 |
| SCHOTT Glass Technologies (Suzhou) Co. Ltd. | 102 |
18 |
| Murata Manufacturing Co., Ltd. | 24603 |
15 |
| LG Chem, Ltd. | 17635 |
14 |
| Ohara Inc. | 214 |
12 |
| Owens Corning Intellectual Capital, LLC | 1632 |
12 |
| Eurokera S.N.C. | 152 |
11 |
| Corsam Technologies LLC | 13 |
10 |
| Nitto Boseki Co., Ltd. | 292 |
10 |
| OCV Intellectual Capital, LLC | 184 |
9 |
| Electric Glass Fiber America, LLC | 65 |
9 |
| Other owners | 337 |