Patent holdings for IPC class H01J 9/20

Total number of patents in this class: 77

10-year publication summary

9
4
0
4
3
2
0
1
1
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Samsung Display Co., Ltd.
33072
9
Japan Display Inc.
6839
7
Dexerials Corporation
1927
5
Panasonic Corporation
20295
3
Savant Technologies, LLC
345
3
Matsushita Electric Industrial Co., Ltd.
2643
2
Koninklijke Philips Electronics N.V.
10687
2
Cheil Industries Inc.
910
2
Au Optronics Corporation
3587
2
OSRAM GmbH
2408
2
e Ink Holdings Inc.
616
2
HannStar Display Corp.
556
2
Iwasaki Electric Co., Ltd.
150
2
Apple Inc.
53121
1
General Electric Company
17793
1
3m Innovative Properties Company
17998
1
LG Display Co., Ltd.
12939
1
Sony Corporation
31500
1
Honeywell International Inc.
14019
1
Micron Technology, Inc.
25916
1
Other owners 27