Patent holdings for IPC class C03B 33/02

Total number of patents in this class: 797

10-year publication summary

81
75
81
68
54
60
63
40
47
20
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Corning Incorporated
10300
250
Nippon Electric Glass Co., Ltd.
2468
78
SCHOTT AG
1712
50
Shenzhen China Star Optoelectronics Technology Co., Ltd.
8476
20
TRUMPF Laser- und Systemtechnik GmbH
533
18
Hamamatsu Photonics K.K.
4446
13
Saint-Gobain Glass France
3254
13
Agc, Inc.
4913
13
Samsung Display Co., Ltd.
35171
11
Asahi Glass Company, Limited
2760
10
Boe Technology Group Co., Ltd.
41495
10
Hoya Corporation
2753
9
Rofin-Sinar Technologies LLC
21
9
Nitto Denko Corporation
8280
8
Corning Precision Materials Co., Ltd.
211
7
Siltectra GmbH
88
7
Corning Laser Technologies GmbH
8
6
Disco Corporation
1869
6
3D-Micromac AG
50
5
Coherent, Inc.
317
5
Other owners 249