- 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: 32
10-year publication summary
|
4
|
2
|
1
|
1
|
0
|
0
|
0
|
0
|
0
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Corporation | 20786 |
11 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
2 |
| Hon Hai Precision Industry Co., Ltd. | 4157 |
2 |
| Hitachi, Ltd. | 16452 |
2 |
| Tsinghua University | 5426 |
2 |
| Semiconductor Manufacturing International (Shanghai) Corporation | 1764 |
2 |
| Varian Semiconductor Equipment Associates, Inc. | 1282 |
1 |
| Chugai Ro Co., Ltd. | 124 |
1 |
| Fujitsu Hitachi Plasma Display Limited | 59 |
1 |
| Hankuk Glass Industries, Inc. | 29 |
1 |
| Iwasaki Electric Co., Ltd. | 151 |
1 |
| MOXTEK, Inc. | 219 |
1 |
| SAES Getters S.p.A. | 338 |
1 |
| Varex Imaging Corporation | 294 |
1 |
| Atmospherix LLC | 2 |
1 |
| GE Precision Healthcare LLC | 1580 |
1 |
| Guangdong Taizhuo Photoelectricity Co., Ltd. | 1 |
1 |
| Other owners | 0 |