Patent holdings for IPC class H01J 11/46

Total number of patents in this class: 24

10-year publication summary

0
2
0
0
0
0
0
0
0
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Panasonic Corporation
20059
5
Matsushita Electric Industrial Co., Ltd.
1276
4
LG Electronics Inc.
73476
3
Nippon Electric Glass Co., Ltd.
2467
3
Hitachi, Ltd.
15537
2
Central Glass Company, Limited
1271
2
Tokyo Electron Limited
12841
1
Asahi Glass Company, Limited
2766
1
Hitachi Plasma Display Limited
93
1
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2875
1
Kobe Steel, Ltd.
880
1
Other owners 0