- All sections
- H - Electricity
- H01C - Resistors
- H01C 7/04 - Non-adjustable resistors formed as one or more layers or coatingsNon-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient
Patent holdings for IPC class H01C 7/04
Total number of patents in this class: 519
10-year publication summary
|
37
|
25
|
28
|
48
|
44
|
33
|
26
|
63
|
36
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25809 |
137 |
| Mitsubishi Materials Corporation | 2479 |
64 |
| TDK Electronics AG | 1013 |
55 |
| Watlow Electric Manufacturing Company | 577 |
20 |
| Epcos AG | 638 |
17 |
| Shibaura Electronics Co., Ltd. | 115 |
16 |
| SEMITEC Corporation | 76 |
15 |
| TDK Corporation | 6910 |
10 |
| Kyocera Corporation | 14423 |
8 |
| Sumitomo Chemical Company, Limited | 8968 |
7 |
| Taiyo Yuden Co., Ltd. | 2038 |
7 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2445 |
6 |
| Panasonic Intellectual Property Management Co., Ltd. | 34265 |
5 |
| Flosfia Inc. | 241 |
5 |
| Littelfuse, Inc. | 791 |
5 |
| Daishinku Corporation | 261 |
4 |
| EXSENSE Electronics Technology Co., Ltd. | 8 |
4 |
| LMS Consulting Group, LLC | 9 |
4 |
| GLOBALFOUNDRIES U.S. Inc. | 6380 |
3 |
| RAI Strategic Holdings, Inc. | 1223 |
3 |
| Other owners | 124 |