- 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 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: 25
10-year publication summary
|
0
|
9
|
1
|
5
|
4
|
1
|
3
|
1
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corning Incorporated | 10327 |
15 |
| Centre National de La Recherche Scientifique | 10576 |
1 |
| PPG Industries Ohio, Inc. | 3439 |
1 |
| Soladigm, Inc. | 11 |
1 |
| Alliance for Sustainable Energy, LLC | 815 |
1 |
| Essilor International (compagnie Generale D'optique) | 2995 |
1 |
| James Robinson Limited | 1 |
1 |
| Transitions Optical Limited | 162 |
1 |
| Sunphade AS | 5 |
1 |
| alpha-En Corporation | 9 |
1 |
| Hangzhou Bomei Solar Energy Technology Co., Ltd | 1 |
1 |
| Other owners | 0 |