- 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: 50
10-year publication summary
|
0
|
1
|
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
|
|---|---|---|
| Panasonic Corporation | 20136 |
12 |
| Matsushita Electric Industrial Co., Ltd. | 1639 |
7 |
| LG Electronics Inc. | 72807 |
6 |
| Hitachi, Ltd. | 15459 |
4 |
| Sumitomo Chemical Company, Limited | 9040 |
4 |
| Hitachi Plasma Display Limited | 93 |
3 |
| National Institute for Materials Science | 1105 |
3 |
| Semiconductor Energy Laboratory Co., Ltd. | 11377 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 31221 |
1 |
| ABB Research Ltd. | 889 |
1 |
| Korea Advanced Institute of Science and Technology | 4364 |
1 |
| Denka Company Limited | 2563 |
1 |
| Nihon Yamamura Glass Co., Ltd. | 135 |
1 |
| Nippon Electric Glass Co., Ltd. | 2454 |
1 |
| Tateho Chemical Industries Co., Ltd. | 60 |
1 |
| Ube Material Industries, Ltd. | 100 |
1 |
| Nanjing Huaxian High Technology Co., Ltd. | 10 |
1 |
| Litec-vermögensverwaltungsgesellschaft mbH | 10 |
1 |
| Other owners | 0 |