Patent holdings for IPC class H01J 9/20

Total number of patents in this class: 85

10-year publication summary

6
9
4
0
4
3
2
0
1
0
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Samsung Display Co., Ltd.
30585
9
Japan Display Inc.
6202
6
Asahi Glass Company, Limited
2985
5
Dexerials Corporation
1826
5
Panasonic Corporation
20786
3
Matsushita Electric Industrial Co., Ltd.
4724
3
Savant Technologies, LLC
343
3
Koninklijke Philips Electronics N.V.
13133
2
Cheil Industries Inc.
944
2
Au Optronics Corporation
3880
2
OSRAM GmbH
2442
2
e Ink Holdings Inc.
571
2
HannStar Display Corp.
591
2
Iwasaki Electric Co., Ltd.
151
2
Apple Inc.
50209
1
General Electric Company
18133
1
3m Innovative Properties Company
18406
1
LG Display Co., Ltd.
11907
1
Sony Corporation
32931
1
Honeywell International Inc.
13799
1
Other owners 31