Patent holdings for IPC class H01J 11/46

Total number of patents in this class: 23

10-year publication summary

2
0
0
0
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
Panasonic Corporation
19924
5
LG Electronics Inc.
73967
3
Matsushita Electric Industrial Co., Ltd.
605
3
Nippon Electric Glass Co., Ltd.
2489
3
Hitachi, Ltd.
15745
2
Central Glass Company, Limited
1276
2
Tokyo Electron Limited
13207
1
Asahi Glass Company, Limited
2722
1
Hitachi Plasma Display Limited
91
1
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2859
1
Kobe Steel, Ltd.
885
1
Other owners 0