- 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: 2236
10-year publication summary
|
168
|
167
|
158
|
166
|
168
|
168
|
170
|
134
|
112
|
41
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10406 |
759 |
| Nippon Electric Glass Co., Ltd. | 2513 |
338 |
| Agc, Inc. | 5264 |
247 |
| Asahi Glass Company, Limited | 2683 |
139 |
| SCHOTT AG | 1730 |
135 |
| Nippon Sheet Glass Company, Limited | 959 |
55 |
| AvanStrate Inc. | 104 |
32 |
| Saint-Gobain Isover | 666 |
24 |
| Hoya Corporation | 2738 |
23 |
| AGC Glass Europe | 1158 |
18 |
| SCHOTT Glass Technologies (Suzhou) Co. Ltd. | 110 |
18 |
| Murata Manufacturing Co., Ltd. | 25464 |
15 |
| LG Chem, Ltd. | 17805 |
14 |
| Eurokera S.N.C. | 154 |
12 |
| Owens Corning Intellectual Capital, LLC | 1637 |
12 |
| Ohara Inc. | 209 |
11 |
| Corsam Technologies LLC | 13 |
10 |
| Nitto Boseki Co., Ltd. | 297 |
10 |
| Electric Glass Fiber America, LLC | 62 |
9 |
| Ivoclar Vivadent AG | 1046 |
8 |
| Other owners | 347 |