- 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: 81
10-year publication summary
|
5
|
3
|
2
|
3
|
2
|
3
|
1
|
1
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM GmbH | 2393 |
25 |
| Iwasaki Electric Co., Ltd. | 152 |
7 |
| Ushio Denki Kabushiki Kaisha | 1172 |
7 |
| Koninklijke Philips Electronics N.V. | 10191 |
6 |
| Osram AG | 302 |
5 |
| Seiko Epson Corporation | 19206 |
4 |
| Phoenix Electric Co., Ltd. | 42 |
2 |
| Toshiba Lighting & Technology Corporation | 278 |
2 |
| Philips Intellectual Property & Standards GmbH | 2009 |
2 |
| Beijing E-town Semiconductor Technology, Co., Ltd | 275 |
2 |
| Cosmo Holdings Co.,Ltd. | 14 |
2 |
| The Boeing Company | 19953 |
1 |
| Canon Inc. | 39160 |
1 |
| Panasonic Corporation | 20198 |
1 |
| Hewlett-Packard Development Company, L.P. | 26001 |
1 |
| Nikon Corporation | 7150 |
1 |
| Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | 94 |
1 |
| The Board of Trustees of the University of Illinois | 2693 |
1 |
| Holonix International Co., Ltd. | 6 |
1 |
| LEDVANCE GmbH | 573 |
1 |
| Other owners | 8 |