Patent holdings for IPC class C03B 33/02

Total number of patents in this class: 809

10-year publication summary

76
81
68
55
62
64
41
49
24
11
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Corning Incorporated
10499
220
Nippon Electric Glass Co., Ltd.
2552
79
SCHOTT AG
1736
54
4JET Microtech GmbH
53
30
Shenzhen China Star Optoelectronics Technology Co., Ltd.
8472
20
TRUMPF Laser- und Systemtechnik GmbH
524
18
Hamamatsu Photonics K.K.
4663
13
Saint-Gobain Glass France
3241
13
Agc, Inc.
5483
13
Samsung Display Co., Ltd.
38544
11
Asahi Glass Company, Limited
2627
10
Boe Technology Group Co., Ltd.
43910
10
Hoya Corporation
2720
9
Rofin-Sinar Technologies LLC
21
9
Nitto Denko Corporation
8517
8
Corning Precision Materials Co., Ltd.
211
7
Siltectra GmbH
90
7
Corning Laser Technologies GmbH
8
6
Disco Corporation
1955
6
3D-Micromac AG
51
5
Other owners 261