- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 9/18 - Distinguishing marks on switches, e.g. for indicating switch location in the darkAdaptation of switches to receive distinguishing marks
Patent holdings for IPC class H01H 9/18
Total number of patents in this class: 385
10-year publication summary
|
26
|
33
|
32
|
30
|
16
|
18
|
16
|
10
|
9
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lutron Technology Company LLC | 2683 |
23 |
| Chien, Aaron | 98 |
14 |
| Chien, Te-ju | 98 |
14 |
| Wang, Hsin-yi | 98 |
14 |
| Panasonic Intellectual Property Management Co., Ltd. | 33168 |
11 |
| Eaton Intelligent Power Limited | 6132 |
11 |
| Kabushiki Kaisha Tokai Rika Denki Seisakusho | 1837 |
10 |
| Preh GmbH | 239 |
8 |
| Siemens AG | 24329 |
7 |
| Dav | 150 |
7 |
| Alps Alpine Co., Ltd. | 2200 |
7 |
| Panasonic Corporation | 19853 |
6 |
| Hyundai Motor Company | 23382 |
6 |
| Yazaki Corporation | 6904 |
6 |
| Omron Corporation | 7336 |
6 |
| Nokia Corporation | 5159 |
5 |
| Pass & Seymour, Inc. | 175 |
5 |
| Apple Inc. | 57432 |
4 |
| Aristocrat Technologies Australia Pty Ltd. | 4073 |
4 |
| Kia Motors Corporation | 7738 |
4 |
| Other owners | 213 |