Patent holdings for IPC class H01J 9/20

Total number of patents in this class: 78

10-year publication summary

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

Principal owners for this class

Owner
All patents
This class
Samsung Display Co., Ltd.
34539
9
Japan Display Inc.
6910
8
Dexerials Corporation
1962
5
Panasonic Corporation
20136
3
Savant Technologies, LLC
313
3
Koninklijke Philips Electronics N.V.
9765
2
Cheil Industries Inc.
898
2
Au Optronics Corporation
3505
2
OSRAM GmbH
2382
2
e Ink Holdings Inc.
635
2
HannStar Display Corp.
537
2
Iwasaki Electric Co., Ltd.
152
2
Apple Inc.
54658
1
General Electric Company
13811
1
3m Innovative Properties Company
17857
1
LG Display Co., Ltd.
13397
1
Sony Corporation
31093
1
Honeywell International Inc.
13525
1
Matsushita Electric Industrial Co., Ltd.
1639
1
Micron Technology, Inc.
26231
1
Other owners 28