Patent holdings for IPC class H01J 43/20

Total number of patents in this class: 28

10-year publication summary

2
1
6
1
3
0
0
2
2
2
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Hamamatsu Photonics K.K.
4591
17
Shenzhen Genorivision Technology Co., Ltd.
59
3
PerkinElmer U.S. LLC
282
3
KLA-Tencor Corporation
2524
2
The Johns Hopkins University
5797
1
Riken
1702
1
Skyfinis Inc., DBA Skyfinis
5
1
Other owners 0