Patent holdings for IPC class H01J 17/28

Total number of patents in this class: 22

10-year publication summary

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

Principal owners for this class

Owner
All patents
This class
Seiko Epson Corporation
19261
2
Manufacturing Resources International, Inc.
505
2
Ideal Industries Lighting LLC
1134
2
LG Chem, Ltd.
17549
1
Raytheon Company
8395
1
ABL IP Holding LLC
1901
1
Aktieboken 8626 AB
2
1
College of William and Mary
24
1
KLA-Tencor Corporation
2546
1
Mind Head LLC
41
1
MP Design Inc.
7
1
Orion Co., Ltd.
18
1
Ushio Denki Kabushiki Kaisha
1172
1
NeoGraf Solutions, LLC
91
1
Nauchno-proizvodstvennoe Predpriyatie Melitta Limited Liability Company
2
1
Cloud Light Technology Limited
67
1
Pictiva Displays International Limited
264
1
Sharp NEC Display Solutions, Ltd.
513
1
Biozone Scientific Group Limited
9
1
Other owners 0