- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 61/067 - Main electrodes for low-pressure discharge lamps
Patent holdings for IPC class H01J 61/067
Total number of patents in this class: 87
10-year publication summary
|
1
|
1
|
1
|
0
|
6
|
3
|
0
|
3
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Materials Co., Ltd. | 654 |
9 |
| Panasonic Corporation | 20018 |
8 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6261 |
8 |
| Sharp Kabushiki Kaisha | 18692 |
7 |
| General Electric Company | 13856 |
6 |
| OSRAM GmbH | 2379 |
6 |
| Sumitomo Electric Industries, Ltd. | 15668 |
4 |
| Asahi Glass Company, Limited | 2756 |
4 |
| Sumiden Fine Conductors Co., Ltd | 9 |
4 |
| Ushio Denki Kabushiki Kaisha | 1194 |
3 |
| Koninklijke Philips Electronics N.V. | 9149 |
2 |
| NEC Lighting, Ltd. | 74 |
2 |
| Sumitomo Metal Mining Co., Ltd. | 1794 |
2 |
| Ultraviolet Sciences, Inc. | 9 |
2 |
| KLA Corporation | 1619 |
2 |
| LG Electronics Inc. | 73714 |
1 |
| Centre National de La Recherche Scientifique | 10595 |
1 |
| Toshiba Corporation | 12514 |
1 |
| Kyocera Corporation | 13997 |
1 |
| Hamamatsu Photonics K.K. | 4462 |
1 |
| Other owners | 13 |