Patent holdings for IPC class C03C 17/23

Total number of patents in this class: 407

10-year publication summary

32
38
52
39
29
15
18
17
22
12
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Corning Incorporated
10252
41
Saint-Gobain Glass France
3758
29
Nippon Electric Glass Co., Ltd.
2456
18
Guardian Glass, LLC
574
18
Nippon Sheet Glass Company, Limited
995
16
Agc, Inc.
4772
16
Asahi Glass Company, Limited
2806
13
AGC Glass Europe
1124
12
SCHOTT AG
1716
12
Cardinal IG Company
152
8
Pilkington Group Limited
775
7
Guardian Industries Corp.
349
6
Samsung Electronics Co., Ltd.
144675
5
Apple Inc.
54577
5
LG Electronics Inc.
72675
5
Colgate-Palmolive Company
5811
5
PPG Industries Ohio, Inc.
3458
4
Polyceed Inc.
22
4
Samsung Display Co., Ltd.
34349
3
Merck Patent GmbH
5861
3
Other owners 177