- All sections
- C - Chemistry; metallurgy
- C03C - Chemical composition of glasses, glazes or vitreous enamels; surface treatment of glass; surface treatment of fibres or filaments made from glass, minerals or slags; joining glass to glass or other materials
- C03C 4/06 - Compositions for glass with special properties for photosensitive glass for phototropic or photochromic glass
Patent holdings for IPC class C03C 4/06
Total number of patents in this class: 27
10-year publication summary
|
2
|
0
|
10
|
1
|
5
|
4
|
1
|
3
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 9932 |
17 |
| Centre National de La Recherche Scientifique | 9632 |
1 |
| PPG Industries Ohio, Inc. | 3430 |
1 |
| Soladigm, Inc. | 11 |
1 |
| Alliance for Sustainable Energy, LLC | 698 |
1 |
| Essilor International (compagnie Generale D'optique) | 2918 |
1 |
| Institutt for Energiteknikk | 80 |
1 |
| James Robinson Limited | 1 |
1 |
| Transitions Optical Limited | 133 |
1 |
| alpha-En Corporation | 8 |
1 |
| Hangzhou Bomei Culture and Art Co.,Ltd | 1 |
1 |
| Other owners | 0 |