Patent holdings for IPC class C03C 25/28

Total number of patents in this class: 87

10-year publication summary

13
8
2
4
7
3
4
4
3
3
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Saint-Gobain Adfors
128
7
Corning Incorporated
10504
6
Owens Corning Intellectual Capital, LLC
1732
6
OCV Intellectual Capital, LLC
148
5
Saint-Gobain Isover
682
5
Arkema France
4251
4
Sumitomo Electric Industries, Ltd.
16448
3
DSM IP Assets B.V.
5389
3
Mermet
20
3
Nitto Boseki Co., Ltd.
302
3
PPG Industries Ohio, Inc.
3324
2
Asahi Fiber Glass Company, Limited
46
2
Chomarat North America
4
2
Porcher Industries
61
2
Saiden Chemical Industry Co., Ltd.
21
2
Ahlstrom Oyj
205
2
Rockwool A/S
842
2
Compagnie Generale des Etablissements Michelin
4975
2
1498264 Alberta Ltd.
15
2
Brightholme Inc.
19
2
Other owners 22