Patent holdings for IPC class C03B 33/08

Total number of patents in this class: 138

10-year publication summary

18
10
17
12
7
9
6
4
4
5
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Nippon Electric Glass Co., Ltd.
2457
30
Corning Incorporated
10263
28
Agc, Inc.
4845
5
Samsung Display Co., Ltd.
34798
4
Asahi Glass Company, Limited
2783
4
Boe Technology Group Co., Ltd.
41217
4
Philoptics Co., Ltd.
13
4
SCHOTT AG
1712
4
Hefei Xinsheng Optoelectronics Technology Co., Ltd.
2567
3
Heraeus Quarzglas GmbH & Co. KG
408
3
Shin-Etsu Quartz Products Co., Ltd.
146
3
TRUMPF Laser- und Systemtechnik GmbH
533
3
Seagate Technology LLC
3967
2
Hoya Corporation
2744
2
3D-Micromac AG
51
2
Corning Laser Technologies GmbH
8
2
DONGWOO FINE-CHEM Co., Ltd.
1334
2
Gigaphoton Inc.
1230
2
Meere Company Inc.
49
2
Mitsubishi Electric Corporation
46127
1
Other owners 28