- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 9/385 - Exhausting vessels
Patent holdings for IPC class H01J 9/385
Total number of patents in this class: 31
10-year publication summary
|
2
|
1
|
1
|
0
|
0
|
0
|
0
|
0
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 20018 |
11 |
| Matsushita Electric Industrial Co., Ltd. | 1059 |
2 |
| Hon Hai Precision Industry Co., Ltd. | 4033 |
2 |
| Hitachi, Ltd. | 15605 |
2 |
| Tsinghua University | 5973 |
2 |
| Semiconductor Manufacturing International (Shanghai) Corporation | 1752 |
2 |
| Varian Semiconductor Equipment Associates, Inc. | 1231 |
1 |
| Cardiac Pacemakers, Inc. | 2934 |
1 |
| Comet Holding AG | 13 |
1 |
| Hankuk Glass Industries, Inc. | 29 |
1 |
| Iwasaki Electric Co., Ltd. | 150 |
1 |
| MOXTEK, Inc. | 223 |
1 |
| Varex Imaging Corporation | 308 |
1 |
| Atmospherix LLC | 2 |
1 |
| GE Precision Healthcare LLC | 5512 |
1 |
| Guangdong Taizhuo Photoelectricity Co., Ltd. | 1 |
1 |
| Other owners | 0 |