- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 11/42 - Fluorescent layers
Patent holdings for IPC class H01J 11/42
Total number of patents in this class: 59
10-year publication summary
3
|
0
|
1
|
1
|
0
|
1
|
0
|
0
|
0
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Panasonic Corporation | 20786 |
12 |
Matsushita Electric Industrial Co., Ltd. | 4724 |
7 |
LG Electronics Inc. | 69257 |
6 |
Hitachi, Ltd. | 16452 |
4 |
Sumitomo Chemical Company, Limited | 8808 |
4 |
National Institute for Materials Science | 1108 |
4 |
Hitachi Plasma Display Limited | 93 |
3 |
Hitachi Plasma Patent Licensing Co., Ltd. | 12 |
2 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
1 |
Fujitsu Limited | 19265 |
1 |
Semiconductor Energy Laboratory Co., Ltd. | 10902 |
1 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
1 |
Konica Minolta Medical & Graphic, Inc. | 986 |
1 |
Pioneer Corporation | 4843 |
1 |
ABB Research Ltd. | 953 |
1 |
Korea Advanced Institute of Science and Technology | 3906 |
1 |
Denka Company Limited | 2189 |
1 |
Japan Nuclear Cycle Development Institute | 4 |
1 |
Nihon Yamamura Glass Co., Ltd. | 144 |
1 |
Nippon Electric Glass Co., Ltd. | 2299 |
1 |
Other owners | 5 |