Patent holdings for IPC class H01J 9/50

Total number of patents in this class: 67

10-year publication summary

7
0
0
2
2
1
2
1
1
1
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Panasonic Corporation
20786
7
Samsung Display Co., Ltd.
30585
6
eMagin Corporation
83
3
MKS Instruments, Inc.
698
3
Sage Electrochromics, Inc.
246
3
Sharp Kabushiki Kaisha
18957
3
Matsushita Electric Industrial Co., Ltd.
4724
2
Au Optronics Corporation
3880
2
OSRAM GmbH
2442
2
Elekta Limited
178
2
Veolia Proprete
39
2
JDI Design and Development G.K.
1182
2
Applied Materials, Inc.
16587
1
Nikon Corporation
7162
1
Sanyo Electric Co., Ltd.
3926
1
Shin-Etsu Chemical Co., Ltd.
5132
1
Japan Display Inc.
6202
1
38th Research Institute, China Electronics Technology Group Corporation
36
1
ALR Innovations Limited
2
1
Blackburn Microtech Solutions Limited
4
1
Other owners 22