Patent holdings for IPC class C03B 33/09

Total number of patents in this class: 546

10-year publication summary

42
41
35
18
36
30
22
21
15
3
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Corning Incorporated
10504
138
Nippon Electric Glass Co., Ltd.
2555
72
Asahi Glass Company, Limited
2622
46
Agc, Inc.
5524
29
Hamamatsu Photonics K.K.
4681
17
Mitsuboshi Diamond Industrial Co., Ltd.
148
17
SCHOTT AG
1738
15
Hoya Corporation
2721
12
Nitto Denko Corporation
8536
10
DONGWOO FINE-CHEM Co., Ltd.
1429
9
Corning Laser Technologies GmbH
8
7
Siltectra GmbH
90
7
4JET Microtech GmbH
53
7
IHI Corporation
3535
6
Saint-Gobain Glass France
3239
6
Corning Precision Materials Co., Ltd.
211
5
Rofin-Sinar Technologies LLC
21
5
Samsung Display Co., Ltd.
38627
4
Sage Electrochromics, Inc.
258
4
TRUMPF Laser- und Systemtechnik GmbH
524
4
Other owners 126