- All sections
- H - Electricity
- H05F - Static electricitynaturally-occurring electricity
- H05F 3/04 - Carrying-off electrostatic charges by means of spark gaps or other discharge devices
Patent holdings for IPC class H05F 3/04
Total number of patents in this class: 267
10-year publication summary
|
27
|
28
|
16
|
20
|
18
|
13
|
14
|
14
|
7
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25615 |
26 |
| Sharp Kabushiki Kaisha | 18574 |
14 |
| Illinois Tool Works Inc. | 11803 |
12 |
| Lightning Suppression Systems Co., Ltd. | 14 |
8 |
| KEYENCE Corporation | 512 |
6 |
| Nippon Telegraph and Telephone Corporation | 15934 |
5 |
| Koganei Corporation | 214 |
5 |
| 3m Innovative Properties Company | 17491 |
4 |
| International Business Machines Corporation | 62353 |
4 |
| Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8473 |
4 |
| Boe Technology Group Co., Ltd. | 43428 |
4 |
| Panasonic Industrial Devices SUNX Co., Ltd. | 39 |
4 |
| Sunje Hi-Tek Co., LTD. | 34 |
4 |
| Schunk Transit Systems GmbH | 80 |
4 |
| Samsung Electro-mechanics Co., Ltd. | 5969 |
3 |
| TDK Corporation | 6833 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 33839 |
3 |
| Semiconductor Components Industries, L.L.C. | 5277 |
3 |
| The Chemours Company Fc, LLC | 1320 |
3 |
| Midori Anzen Co., Ltd. | 97 |
3 |
| Other owners | 145 |