- 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 25/326 - PolyureasPolyurethanes
Patent holdings for IPC class C03C 25/326
Total number of patents in this class: 73
10-year publication summary
|
2
|
2
|
6
|
13
|
7
|
15
|
17
|
13
|
8
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Electric Industries, Ltd. | 15443 |
37 |
| Corning Incorporated | 10258 |
5 |
| Covestro Deutschland AG | 2747 |
5 |
| Nippon Sheet Glass Company, Limited | 998 |
5 |
| Japan Fine Coatings Co. Ltd. | 10 |
4 |
| Covestro (Netherlands) B.V. | 275 |
4 |
| Sonoro, LLC | 4 |
2 |
| GP Building Products Services LLC | 13 |
2 |
| BASF SE | 20912 |
1 |
| Mazda Motor Corporation | 3128 |
1 |
| Fujikura Ltd. | 2925 |
1 |
| Jushi Group Co., Ltd. | 121 |
1 |
| Nippon Electric Glass Co., Ltd. | 2454 |
1 |
| Nitto Boseki Co., Ltd. | 289 |
1 |
| Shanghai Rosefinch Trading Co., Ltd. | 5 |
1 |
| Lignum Technologies AG | 64 |
1 |
| Solventum Intellectual Properties Company | 3321 |
1 |
| Other owners | 0 |