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
20128
5
Matsushita Electric Industrial Co., Ltd.
1585
4
LG Electronics Inc.
72890
3
Nippon Electric Glass Co., Ltd.
2454
3
Hitachi, Ltd.
15467
2
Central Glass Company, Limited
1265
2
Tokyo Electron Limited
12681
1
Asahi Glass Company, Limited
2793
1
Hitachi Plasma Display Limited
93
1
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2873
1
Kobe Steel, Ltd.
871
1
Other owners 0