- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 9/38 - Exhausting, degassing, filling, or cleaning vessels
Patent holdings for IPC class H01J 9/38
Total number of patents in this class: 52
10-year publication summary
|
4
|
2
|
1
|
0
|
0
|
2
|
1
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 20786 |
13 |
| OSRAM GmbH | 2442 |
5 |
| K.j. Manufacturing Co. | 20 |
3 |
| Varian Semiconductor Equipment Associates, Inc. | 1282 |
2 |
| ASML Netherlands B.V. | 6816 |
2 |
| Kateeva, Inc. | 376 |
2 |
| Fujian Ydj Light Co., Ltd. | 14 |
2 |
| Samsung Display Co., Ltd. | 30585 |
1 |
| Hitachi, Ltd. | 16452 |
1 |
| Koninklijke Philips Electronics N.V. | 13133 |
1 |
| Applied Materials, Inc. | 16587 |
1 |
| Industrial Technology Research Institute | 4898 |
1 |
| Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | 166 |
1 |
| Motorola, Inc. | 2873 |
1 |
| Carrier Corporation | 4759 |
1 |
| Advanced Lighting Technologies, Inc. | 23 |
1 |
| Auralight International AB | 9 |
1 |
| The BOC Group plc | 54 |
1 |
| Ceravision Limited | 49 |
1 |
| Hankuk Glass Industries, Inc. | 29 |
1 |
| Other owners | 10 |