- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 9/02 - Manufacture of electrodes or electrode systems
Patent holdings for IPC class H01J 9/02
Total number of patents in this class: 800
10-year publication summary
33
|
35
|
24
|
32
|
31
|
25
|
24
|
28
|
21
|
7
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Panasonic Corporation | 20786 |
73 |
Hon Hai Precision Industry Co., Ltd. | 4157 |
34 |
Tsinghua University | 5426 |
33 |
Hitachi, Ltd. | 16452 |
32 |
Hitachi Plasma Display Limited | 93 |
19 |
E. I. du Pont de Nemours and Company | 4345 |
17 |
Massachusetts Institute of Technology | 9795 |
17 |
NCX Corporation | 33 |
16 |
Toray Industries, Inc. | 6652 |
15 |
National Institute for Materials Science | 1108 |
13 |
Asahi Glass Company, Limited | 2985 |
12 |
Matsushita Electric Industrial Co., Ltd. | 4724 |
11 |
Fujitsu Hitachi Plasma Display Limited | 59 |
10 |
LightLab Sweden AB | 39 |
10 |
Sharp Corporation | 10015 |
9 |
JSR Corporation | 2476 |
9 |
ALIS Corporation | 36 |
9 |
ULVAC, Inc. | 1448 |
9 |
Pioneer Corporation | 4843 |
7 |
National Institute of Advanced Industrial Science and Technology | 3677 |
7 |
Other owners | 438 |