- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 1/04 - Co-operating contacts of different material
Patent holdings for IPC class H01H 1/04
Total number of patents in this class: 98
10-year publication summary
|
7
|
8
|
6
|
4
|
2
|
2
|
5
|
4
|
1
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Furukawa Electric Co., Ltd. | 3695 |
11 |
| Dowa Metaltech Co., Ltd. | 174 |
9 |
| Tokuriki Honten Co., Ltd. | 22 |
7 |
| Tanaka Kikinzoku Kogyo K.K. | 574 |
4 |
| Siemens AG | 23996 |
3 |
| Yazaki Corporation | 7135 |
3 |
| Honeywell International Inc. | 12776 |
2 |
| Sumitomo Electric Industries, Ltd. | 16448 |
2 |
| Sumitomo Wiring Systems, Ltd. | 11117 |
2 |
| Omron Corporation | 7392 |
2 |
| AutoNetworks Technologies, Ltd. | 7192 |
2 |
| Furukawa Automotive Systems Inc. | 606 |
2 |
| Mitsubishi Materials C.M.I. Corporation | 2 |
2 |
| Nantong Memtech Technologies Co., Ltd. | 19 |
2 |
| NEC SCHOTT Components Corporation | 8 |
2 |
| Nidec Corporation | 2827 |
2 |
| Sc2n | 76 |
2 |
| Shin-Etsu Polymer Co., Ltd. | 453 |
2 |
| NEC Corporation | 37168 |
1 |
| Hewlett-Packard Development Company, L.P. | 25170 |
1 |
| Other owners | 35 |