Patent holdings for IPC class G03B 19/14

Total number of patents in this class: 7

10-year publication summary

0
1
1
3
0
0
0
0
0
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
TDK Taiwan Corp.
824
2
AAC Optics Solutions Pte. Ltd.
652
2
Hangzhou Hikvision Digital Technology Co., Ltd.
1326
1
Heraeus Quarzglas GmbH & Co. KG
417
1
Shin-Etsu Quartz Products Co., Ltd.
146
1
Other owners 0