- All sections
- H - Electricity
- H01C - Resistors
- H01C 7/02 - 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 positive temperature coefficient
Patent holdings for IPC class H01C 7/02
Total number of patents in this class: 660
10-year publication summary
|
58
|
48
|
47
|
48
|
35
|
34
|
30
|
53
|
35
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 25207 |
93 |
| Littelfuse, Inc. | 790 |
55 |
| Polytronics Technology Corp. | 86 |
45 |
| Fuzetec Technology Co., Ltd. | 36 |
25 |
| TDK Electronics AG | 986 |
25 |
| Watlow Electric Manufacturing Company | 589 |
22 |
| Hitachi Metals, Ltd. | 1947 |
19 |
| Tyco Electronics Japan G.K. | 160 |
17 |
| Epcos AG | 671 |
15 |
| Littelfuse Electronics (Shanghai) Co., Ltd. | 23 |
13 |
| Littelfuse Japan G.K. | 26 |
12 |
| TDK Corporation | 6770 |
10 |
| Mitsubishi Materials Corporation | 2471 |
10 |
| KOA Corporation | 422 |
8 |
| MAHLE International GmbH | 2839 |
8 |
| Shibaura Electronics Co., Ltd. | 112 |
7 |
| Taiyo Yuden Co., Ltd. | 2015 |
7 |
| Kyocera Corporation | 14137 |
6 |
| Bourns, Inc. | 179 |
6 |
| Conflux AB | 10 |
6 |
| Other owners | 251 |