- 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: 73
10-year publication summary
|
3
|
7
|
4
|
8
|
3
|
1
|
5
|
2
|
4
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KOA Corporation | 425 |
18 |
| Kamaya Electric Co., Ltd. | 25 |
6 |
| The Furukawa Electric Co., Ltd. | 3695 |
4 |
| Caterpillar Inc. | 10281 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
3 |
| NR Electric Co., Ltd. | 347 |
3 |
| NR Engineering Co., Ltd | 307 |
3 |
| NR Electric Power Electronics Co., Ltd. | 64 |
3 |
| Rohm Co., Ltd. | 6837 |
2 |
| Suncall Corporation | 197 |
2 |
| Tomoegawa Co., Ltd. | 227 |
2 |
| Vishay Dale Electronics, LLC | 119 |
2 |
| Vishay MCB Industrie | 6 |
2 |
| Pratt & Whitney Canada Corp. | 5506 |
1 |
| Conti Temic microelectronic GmbH | 797 |
1 |
| Bradley Fixtures Corporation | 170 |
1 |
| Elmatek Internation Corp. | 5 |
1 |
| Endress + Hauser Flowtec AG | 625 |
1 |
| Isabellenhütte Heusler GmbH & Co. KG. | 95 |
1 |
| KITO Corporation | 184 |
1 |
| Other owners | 13 |