- All sections
- H - Electricity
- H01C - Resistors
- H01C 3/00 - Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven, or formed as grids
Patent holdings for IPC class H01C 3/00
Total number of patents in this class: 74
10-year publication summary
|
7
|
3
|
7
|
4
|
8
|
3
|
1
|
5
|
2
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KOA Corporation | 415 |
18 |
| Kamaya Electric Co., Ltd. | 26 |
7 |
| The Furukawa Electric Co., Ltd. | 3617 |
4 |
| Caterpillar Inc. | 9417 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 30769 |
3 |
| NR Electric Co., Ltd. | 319 |
3 |
| NR Engineering Co., Ltd | 281 |
3 |
| NR Electric Power Electronics Co., Ltd. | 53 |
3 |
| Rohm Co., Ltd. | 6412 |
2 |
| Suncall Corporation | 183 |
2 |
| Tomoegawa Co., Ltd. | 248 |
2 |
| Vishay Dale Electronics, LLC | 114 |
2 |
| Vishay MCB Industrie | 6 |
2 |
| Pratt & Whitney Canada Corp. | 4501 |
1 |
| Conti Temic microelectronic GmbH | 898 |
1 |
| Alpha Electronics Corporation | 2 |
1 |
| Bradley Fixtures Corporation | 179 |
1 |
| Elmatek Internation Corp. | 5 |
1 |
| Endress + Hauser Flowtec AG | 611 |
1 |
| Isabellenhütte Heusler GmbH & Co. KG. | 90 |
1 |
| Other owners | 13 |