Patent holdings for IPC class C03B 33/02

Total number of patents in this class: 795

10-year publication summary

81
76
81
68
55
61
64
41
48
18
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Corning Incorporated
10246
250
Nippon Electric Glass Co., Ltd.
2453
78
SCHOTT AG
1716
50
Shenzhen China Star Optoelectronics Technology Co., Ltd.
8478
20
TRUMPF Laser- und Systemtechnik GmbH
533
18
Hamamatsu Photonics K.K.
4403
14
Saint-Gobain Glass France
3766
14
Agc, Inc.
4809
12
Samsung Display Co., Ltd.
34472
11
Asahi Glass Company, Limited
2802
10
Boe Technology Group Co., Ltd.
40814
10
Hoya Corporation
2745
9
Rofin-Sinar Technologies LLC
21
9
Nitto Denko Corporation
8219
8
Corning Precision Materials Co., Ltd.
209
7
Siltectra GmbH
88
7
Corning Laser Technologies GmbH
8
6
3D-Micromac AG
51
5
Coherent, Inc.
319
5
Disco Corporation
1852
5
Other owners 247