- All sections
- H - Electricity
- H01C - Resistors
- H01C 1/08 - Cooling, heating or ventilating arrangements
Patent holdings for IPC class H01C 1/08
Total number of patents in this class: 79
10-year publication summary
|
1
|
3
|
4
|
6
|
7
|
7
|
13
|
7
|
8
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens Mobility GmbH | 1720 |
6 |
| Heine Resistors GmbH | 9 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 31375 |
3 |
| Rohm Co., Ltd. | 6450 |
3 |
| KITO Corporation | 169 |
3 |
| Vishay Dale Electronics, LLC | 115 |
3 |
| Transportation IP Holdings, LLC | 933 |
3 |
| Nuvoton Technology Corporation Japan | 604 |
3 |
| DBK David + Baader GmbH | 45 |
2 |
| NR Electric Co., Ltd. | 325 |
2 |
| NR Engineering Co., Ltd | 287 |
2 |
| PACCAR Inc | 1318 |
2 |
| NR Electric Power Electronics Co., Ltd. | 55 |
2 |
| Qualcomm Incorporated | 85322 |
1 |
| International Business Machines Corporation | 61228 |
1 |
| Robert Bosch GmbH | 42689 |
1 |
| Denso Corporation | 24282 |
1 |
| Caterpillar Inc. | 9548 |
1 |
| Hyundai Motor Company | 21987 |
1 |
| NGK Insulators, Ltd. | 4955 |
1 |
| Other owners | 32 |