- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 61/86 - Lamps with discharge constricted by high pressure with discharge additionally constricted by close spacing of electrodes, e.g. for optical projection
Patent holdings for IPC class H01J 61/86
Total number of patents in this class: 71
10-year publication summary
|
3
|
2
|
3
|
2
|
3
|
1
|
1
|
1
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM GmbH | 2210 |
20 |
| Ushio Denki Kabushiki Kaisha | 1207 |
7 |
| Iwasaki Electric Co., Ltd. | 155 |
6 |
| Koninklijke Philips Electronics N.V. | 7455 |
5 |
| Osram AG | 287 |
5 |
| Seiko Epson Corporation | 20256 |
4 |
| Phoenix Electric Co., Ltd. | 41 |
2 |
| Toshiba Lighting & Technology Corporation | 224 |
2 |
| Philips Intellectual Property & Standards GmbH | 1631 |
2 |
| Beijing E-town Semiconductor Technology, Co., Ltd | 302 |
2 |
| Cosmo Holdings Co.,Ltd. | 13 |
2 |
| The Boeing Company | 20160 |
1 |
| Canon Inc. | 43817 |
1 |
| Panasonic Corporation | 19019 |
1 |
| Nikon Corporation | 7228 |
1 |
| The Board of Trustees of the University of Illinois | 2751 |
1 |
| Holonix International Co., Ltd. | 6 |
1 |
| LEDVANCE GmbH | 589 |
1 |
| Lumileds LLC | 783 |
1 |
| Philips Lighting Holding B.V. | 1325 |
1 |
| Other owners | 5 |