Patent holdings for IPC class H01J 9/26

Total number of patents in this class: 231

10-year publication summary

14
8
2
7
5
6
4
2
1
1
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
26
Panasonic Corporation
20786
21
Asahi Glass Company, Limited
2985
15
Hamamatsu Photonics K.K.
4161
14
LG Display Co., Ltd.
11907
11
Hitachi, Ltd.
16452
9
OSRAM GmbH
2442
8
General Electric Company
18133
7
Matsushita Electric Industrial Co., Ltd.
4724
5
Corning Incorporated
9932
5
Au Optronics Corporation
3880
5
Boe Technology Group Co., Ltd.
35384
5
Bourns, Inc.
171
5
ULVAC, Inc.
1448
5
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation
6275
5
Nippon Electric Glass Co., Ltd.
2299
4
Koninklijke Philips Electronics N.V.
13133
3
Eden Park Illumination
3
3
Hitachi Plasma Display Limited
93
3
Philips Intellectual Property & Standards GmbH
2395
3
Other owners 69