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
19952
5
Matsushita Electric Industrial Co., Ltd.
761
4
LG Electronics Inc.
73825
3
Nippon Electric Glass Co., Ltd.
2479
3
Hitachi, Ltd.
15712
2
Central Glass Company, Limited
1273
2
Tokyo Electron Limited
13155
1
Asahi Glass Company, Limited
2734
1
Hitachi Plasma Display Limited
92
1
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2865
1
Kobe Steel, Ltd.
882
1
Other owners 0