- 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: 94
10-year publication summary
|
1
|
1
|
2
|
0
|
6
|
3
|
1
|
3
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toshiba Materials Co., Ltd. | 631 |
9 |
| Panasonic Corporation | 20315 |
8 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6235 |
8 |
| Sharp Kabushiki Kaisha | 18867 |
7 |
| General Electric Company | 17789 |
6 |
| OSRAM GmbH | 2412 |
6 |
| Sumitomo Electric Industries, Ltd. | 14972 |
4 |
| Asahi Glass Company, Limited | 2882 |
4 |
| Sumiden Fine Conductors Co., Ltd | 9 |
4 |
| Koninklijke Philips Electronics N.V. | 10844 |
3 |
| Ushio Denki Kabushiki Kaisha | 1141 |
3 |
| NEC Lighting, Ltd. | 74 |
2 |
| Neomax Materials Co., Ltd. | 48 |
2 |
| Sumitomo Metal Mining Co., Ltd. | 1730 |
2 |
| Ultraviolet Sciences, Inc. | 10 |
2 |
| Philips Intellectual Property & Standards GmbH | 2112 |
2 |
| KLA Corporation | 1402 |
2 |
| LG Electronics Inc. | 71039 |
1 |
| Centre National de La Recherche Scientifique | 10102 |
1 |
| Toshiba Corporation | 12051 |
1 |
| Other owners | 17 |