Patent holdings for IPC class C03B 33/02

Total number of patents in this class: 804

10-year publication summary

75
81
68
54
61
63
40
47
24
2
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Corning Incorporated
10390
221
Nippon Electric Glass Co., Ltd.
2497
78
SCHOTT AG
1715
52
4JET Microtech GmbH
53
30
Shenzhen China Star Optoelectronics Technology Co., Ltd.
8475
20
TRUMPF Laser- und Systemtechnik GmbH
532
18
Hamamatsu Photonics K.K.
4565
13
Saint-Gobain Glass France
3231
13
Agc, Inc.
5152
13
Samsung Display Co., Ltd.
37252
11
Asahi Glass Company, Limited
2706
10
Boe Technology Group Co., Ltd.
42489
10
Hoya Corporation
2756
9
Rofin-Sinar Technologies LLC
21
9
Nitto Denko Corporation
8410
8
Corning Precision Materials Co., Ltd.
211
7
Siltectra GmbH
88
7
Corning Laser Technologies GmbH
8
6
Disco Corporation
1916
6
3D-Micromac AG
51
5
Other owners 258