Patent holdings for IPC class H01J 17/49

Total number of patents in this class: 262

10-year publication summary

13
5
3
5
1
1
1
0
0
0
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Matsushita Electric Industrial Co., Ltd.
4724
27
The Board of Trustees of the University of Illinois
2623
24
Panasonic Corporation
20786
23
LG Electronics Inc.
69257
14
LG Chem, Ltd.
17205
10
Hon Hai Precision Industry Co., Ltd.
4157
9
Tsinghua University
5426
9
Shinoda Plasma Co., Ltd.
25
9
Asahi Glass Company, Limited
2985
8
Samsung Display Co., Ltd.
30585
6
E. I. du Pont de Nemours and Company
4345
6
Toray Industries, Inc.
6652
6
Sichuan COC Display Devices Co., Ltd.
24
6
SBC Xicato Corporation
82
5
Hitachi, Ltd.
16452
4
JSR Corporation
2476
4
Samsung Electronics Co., Ltd.
131630
3
3m Innovative Properties Company
18406
3
Au Optronics Corporation
3880
3
Dongjin Semichem Co., Ltd.
438
3
Other owners 80