- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 1/023 - Composite material having a noble metal as the basic material
Patent holdings for IPC class H01H 1/023
Total number of patents in this class: 90
10-year publication summary
|
4
|
8
|
9
|
4
|
3
|
4
|
2
|
2
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tanaka Kikinzoku Kogyo K.K. | 574 |
12 |
| Nidec Corporation | 2765 |
5 |
| Mitsubishi Electric Corporation | 47602 |
4 |
| ABB Schweiz AG | 7441 |
4 |
| The Furukawa Electric Co., Ltd. | 3700 |
4 |
| A.L.M.T. Corp. | 240 |
4 |
| Dowa Metaltech Co., Ltd. | 172 |
4 |
| Siemens AG | 24200 |
3 |
| Omron Corporation | 7331 |
3 |
| AMC Etec | 3 |
3 |
| Schneider Electric Industries SAS | 1560 |
3 |
| Wenzhou Hongfeng Electrical Alloy Co., Ltd. | 16 |
3 |
| Eaton Intelligent Power Limited | 6158 |
3 |
| Honeywell International Inc. | 12786 |
2 |
| Tyco Electronics Corporation | 725 |
2 |
| Siemens Industry, Inc. | 1582 |
2 |
| BSH Hausgeräte GmbH | 5600 |
2 |
| Lsis Co., Ltd. | 814 |
2 |
| Mitsubishi Materials C.M.I. Corporation | 3 |
2 |
| Research & Business Foundation Sungkyunkwan University | 2098 |
2 |
| Other owners | 21 |