- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 9/227 - Applying luminescent coatings with luminescent material discontinuously arranged, e.g. in dots or lines
Patent holdings for IPC class H01J 9/227
Total number of patents in this class: 37
10-year publication summary
|
0
|
0
|
0
|
1
|
0
|
0
|
0
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6272 |
6 |
| Hitachi Plasma Display Limited | 93 |
3 |
| Samsung Display Co., Ltd. | 35269 |
2 |
| Panasonic Corporation | 20042 |
2 |
| Hitachi, Ltd. | 15572 |
2 |
| Hitachi Chemical Company, Ltd. | 2339 |
2 |
| JSR Corporation | 2530 |
2 |
| Taiyo Ink Mfg. Co., Ltd. | 210 |
2 |
| Samsung Electronics Co., Ltd. | 147622 |
1 |
| LG Display Co., Ltd. | 13820 |
1 |
| Thomson Licensing | 3533 |
1 |
| Corning Incorporated | 10314 |
1 |
| Au Optronics Corporation | 3385 |
1 |
| Toray Industries, Inc. | 6978 |
1 |
| National Institute of Advanced Industrial Science and Technology | 3793 |
1 |
| Nichia Corporation | 3735 |
1 |
| APDN (B.V.I.) Inc. | 51 |
1 |
| Ocean's King Lighting Science & Technology Co., Ltd. | 273 |
1 |
| OSRAM OLED GmbH | 1773 |
1 |
| Tokyo Ohka Kogyo Co., Ltd. | 1550 |
1 |
| Other owners | 4 |