- 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: 507
10-year publication summary
|
35
|
25
|
28
|
48
|
44
|
33
|
26
|
63
|
35
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25214 |
135 |
| Mitsubishi Materials Corporation | 2470 |
64 |
| TDK Electronics AG | 987 |
51 |
| Watlow Electric Manufacturing Company | 589 |
20 |
| Epcos AG | 671 |
17 |
| Shibaura Electronics Co., Ltd. | 112 |
15 |
| SEMITEC Corporation | 70 |
14 |
| TDK Corporation | 6771 |
10 |
| Kyocera Corporation | 14158 |
8 |
| Sumitomo Chemical Company, Limited | 9039 |
7 |
| Taiyo Yuden Co., Ltd. | 2014 |
7 |
| Nederlandse Organisatie voor Toegepast-natuurwetenschappelijk Onderzoek TNO | 2400 |
6 |
| Flosfia Inc. | 239 |
5 |
| Littelfuse, Inc. | 789 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 32904 |
4 |
| Daishinku Corporation | 251 |
4 |
| EXSENSE Electronics Technology Co., Ltd. | 8 |
4 |
| LMS Consulting Group, LLC | 9 |
4 |
| GLOBALFOUNDRIES U.S. Inc. | 6404 |
3 |
| RAI Strategic Holdings, Inc. | 1175 |
3 |
| Other owners | 121 |