- All sections
- H - Electricity
- H01C - Resistors
- H01C 17/00 - Apparatus or processes specially adapted for manufacturing resistors
Patent holdings for IPC class H01C 17/00
Total number of patents in this class: 426
10-year publication summary
|
31
|
41
|
42
|
32
|
39
|
36
|
40
|
29
|
21
|
26
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rohm Co., Ltd. | 6471 |
50 |
| KOA Corporation | 419 |
41 |
| Altria Client Services LLC | 2197 |
28 |
| Panasonic Intellectual Property Management Co., Ltd. | 31562 |
21 |
| Murata Manufacturing Co., Ltd. | 24603 |
19 |
| Samsung Electro-mechanics Co., Ltd. | 5624 |
13 |
| Mitsubishi Materials Corporation | 2449 |
12 |
| International Business Machines Corporation | 61305 |
10 |
| Kamaya Electric Co., Ltd. | 26 |
9 |
| TDK Electronics AG | 934 |
9 |
| Vishay Dale Electronics, LLC | 115 |
6 |
| Yageo Corporation | 41 |
6 |
| Dongguan Littelfuse Electronics Co., Ltd. | 45 |
5 |
| Isabellenhuette Heusler GmbH & Co. KG | 24 |
5 |
| F. Hoffmann-La Roche AG | 7947 |
4 |
| Texas Instruments Incorporated | 19443 |
4 |
| Isabellenhütte Heusler GmbH & Co. KG. | 90 |
4 |
| Microchip Technology Incorporated | 2870 |
4 |
| Epcos AG | 697 |
3 |
| Dai Nippon Printing Co., Ltd. | 4091 |
3 |
| Other owners | 170 |