- All sections
- H - Electricity
- H01T - Spark gapsovervoltage arresters using spark gapssparking plugscorona devicesgenerating ions to be introduced into non-enclosed gases
- H01T 1/20 - Means for starting arc or facilitating ignition of spark gap
Patent holdings for IPC class H01T 1/20
Total number of patents in this class: 94
10-year publication summary
|
10
|
13
|
17
|
5
|
2
|
0
|
0
|
4
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 23702 |
40 |
| TDK Corporation | 6539 |
7 |
| General Electric Company | 17789 |
6 |
| Ene29 S.ar.l. | 32 |
4 |
| TDK Electronics AG | 897 |
4 |
| Siemens AG | 24565 |
3 |
| Epcos AG | 732 |
3 |
| Bourns, Inc. | 177 |
3 |
| Phoenix Contact GmbH & Co. KG | 2248 |
3 |
| DEHN + SÖHNE GmbH + Co. KG | 130 |
2 |
| Mitsubishi Materials Corporation | 2406 |
2 |
| Okaya Electric Industries Co., Ltd. | 19 |
2 |
| Powell Electrical Systems, Inc. | 55 |
2 |
| Panasonic Corporation | 20315 |
1 |
| Showa Denko K.K. | 2337 |
1 |
| China Electric Power Research Institute | 258 |
1 |
| Profoto AB | 87 |
1 |
| Prometheus Applied Technologies, LLC | 25 |
1 |
| Seari Electric Technology Co., Ltd. | 102 |
1 |
| State Grid Corporation of China | 1347 |
1 |
| Other owners | 6 |