- 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: 2161
10-year publication summary
|
140
|
172
|
169
|
159
|
169
|
167
|
170
|
173
|
134
|
57
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10240 |
725 |
| Nippon Electric Glass Co., Ltd. | 2450 |
333 |
| Agc, Inc. | 4760 |
223 |
| Asahi Glass Company, Limited | 2807 |
141 |
| SCHOTT AG | 1709 |
132 |
| Nippon Sheet Glass Company, Limited | 999 |
58 |
| AvanStrate Inc. | 108 |
36 |
| Saint-Gobain Isover | 630 |
22 |
| Hoya Corporation | 2737 |
19 |
| AGC Glass Europe | 1120 |
18 |
| SCHOTT Glass Technologies (Suzhou) Co. Ltd. | 101 |
18 |
| Murata Manufacturing Co., Ltd. | 24369 |
15 |
| LG Chem, Ltd. | 17564 |
14 |
| Ohara Inc. | 217 |
12 |
| Owens Corning Intellectual Capital, LLC | 1616 |
12 |
| Eurokera S.N.C. | 153 |
11 |
| Corsam Technologies LLC | 13 |
10 |
| Nitto Boseki Co., Ltd. | 290 |
9 |
| OCV Intellectual Capital, LLC | 192 |
9 |
| Electric Glass Fiber America, LLC | 65 |
9 |
| Other owners | 335 |