- 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: 89
10-year publication summary
|
4
|
8
|
9
|
4
|
3
|
4
|
2
|
2
|
2
|
0
|
| 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 | 2729 |
5 |
| Mitsubishi Electric Corporation | 47338 |
4 |
| ABB Schweiz AG | 7313 |
4 |
| The Furukawa Electric Co., Ltd. | 3710 |
4 |
| A.L.M.T. Corp. | 236 |
4 |
| Dowa Metaltech Co., Ltd. | 169 |
4 |
| Siemens AG | 24286 |
3 |
| Omron Corporation | 7333 |
3 |
| AMC Etec | 3 |
3 |
| Schneider Electric Industries SAS | 1542 |
3 |
| Wenzhou Hongfeng Electrical Alloy Co., Ltd. | 16 |
3 |
| Honeywell International Inc. | 13566 |
2 |
| Tyco Electronics Corporation | 735 |
2 |
| Siemens Industry, Inc. | 1577 |
2 |
| BSH Hausgeräte GmbH | 5567 |
2 |
| Lsis Co., Ltd. | 815 |
2 |
| Mitsubishi Materials C.M.I. Corporation | 3 |
2 |
| Research & Business Foundation Sungkyunkwan University | 2059 |
2 |
| Sc2n | 74 |
2 |
| Other owners | 21 |