Patent holdings for IPC class H01J 17/49

Total number of patents in this class: 159

10-year publication summary

3
5
1
1
1
0
0
0
1
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Panasonic Corporation
18658
18
The Board of Trustees of the University of Illinois
2752
15
LG Electronics Inc.
76219
11
Hon Hai Precision Industry Co., Ltd.
4021
8
Tsinghua University
6259
8
E. I. du Pont de Nemours and Company
3452
6
Sichuan COC Display Devices Co., Ltd.
24
6
Samsung Display Co., Ltd.
39154
5
SBC Xicato Corporation
78
5
Hitachi, Ltd.
16221
4
Toray Industries, Inc.
7163
4
Asahi Glass Company, Limited
2592
3
JSR Corporation
2559
3
DONGWOO FINE-CHEM Co., Ltd.
1453
3
Orion PDP Co., Ltd.
15
3
Shinoda Plasma Co., Ltd.
7
3
Samsung Electronics Co., Ltd.
159298
2
LG Chem, Ltd.
17978
2
LG Display Co., Ltd.
15100
2
Boe Technology Group Co., Ltd.
44784
2
Other owners 46