- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 9/28 - Manufacture of leading-in conductors
Patent holdings for IPC class H01J 9/28
Total number of patents in this class: 27
10-year publication summary
|
2
|
1
|
0
|
5
|
1
|
0
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| OSRAM GmbH | 2339 |
6 |
| Iwasaki Electric Co., Ltd. | 150 |
4 |
| ASML Netherlands B.V. | 7663 |
2 |
| Cosmo Holdings Co.,Ltd. | 13 |
2 |
| General Electric Company | 13776 |
1 |
| International Business Machines Corporation | 61929 |
1 |
| Sumitomo Electric Industries, Ltd. | 15967 |
1 |
| Robert Bosch GmbH | 43294 |
1 |
| Koninklijke Philips Electronics N.V. | 8370 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 32983 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10979 |
1 |
| Hamamatsu Photonics K.K. | 4565 |
1 |
| Bourns, Inc. | 179 |
1 |
| Sumiden Fine Conductors Co., Ltd | 9 |
1 |
| Toshiba Lighting & Technology Corporation | 246 |
1 |
| Canon Kabushiki Kaisha | 7200 |
1 |
| Philips Intellectual Property & Standards GmbH | 1771 |
1 |
| Other owners | 0 |