- All sections
- H - Electricity
- H01T - Spark gapsovervoltage arresters using spark gapssparking plugscorona devicesgenerating ions to be introduced into non-enclosed gases
- H01T 1/22 - Means for starting arc or facilitating ignition of spark gap by the shape or the composition of the electrodes
Patent holdings for IPC class H01T 1/22
Total number of patents in this class: 63
10-year publication summary
|
6
|
3
|
5
|
6
|
8
|
4
|
1
|
0
|
3
|
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. | 24829 |
12 |
| Ene29 S.ar.l. | 32 |
10 |
| TDK Electronics AG | 958 |
8 |
| TDK Corporation | 6873 |
2 |
| Epcos AG | 688 |
2 |
| Iskra Zascite D.O.O. | 8 |
2 |
| Mitsubishi Materials Corporation | 2470 |
2 |
| Stratospheric Composite Water ION (Shenzhen) Co., Ltd | 4 |
2 |
| Niterra Co., Ltd. | 1316 |
2 |
| Toyota Motor Corporation | 33015 |
1 |
| Panasonic Corporation | 20030 |
1 |
| Robert Bosch GmbH | 42826 |
1 |
| Denso Corporation | 24562 |
1 |
| Caterpillar Inc. | 9644 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 32105 |
1 |
| Mazda Motor Corporation | 3187 |
1 |
| AVX Corporation | 148 |
1 |
| BAE SYSTEMS plc | 2360 |
1 |
| Chentronics, LLC | 6 |
1 |
| I-pulse Inc. | 1 |
1 |
| Other owners | 10 |