- All sections
- H - Electricity
- H01C - Resistors
- H01C 7/00 - 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
Patent holdings for IPC class H01C 7/00
Total number of patents in this class: 873
10-year publication summary
|
86
|
79
|
73
|
71
|
81
|
67
|
66
|
73
|
54
|
51
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| KOA Corporation | 421 |
95 |
| Murata Manufacturing Co., Ltd. | 24684 |
75 |
| Rohm Co., Ltd. | 6463 |
56 |
| Panasonic Intellectual Property Management Co., Ltd. | 31756 |
55 |
| Samsung Electro-mechanics Co., Ltd. | 5644 |
31 |
| TDK Electronics AG | 943 |
28 |
| Mitsubishi Materials Corporation | 2453 |
25 |
| TDK Corporation | 6796 |
22 |
| Sumitomo Metal Mining Co., Ltd. | 1787 |
18 |
| International Business Machines Corporation | 61402 |
12 |
| Texas Instruments Incorporated | 19454 |
12 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 43158 |
10 |
| Denso Corporation | 24404 |
8 |
| Microchip Technology Incorporated | 2889 |
8 |
| Shoei Chemical Inc. | 323 |
8 |
| Guangzhou Fangbang Electronics Co., Ltd | 48 |
8 |
| Zhuhai Dachuang Electronics Co., Ltd. | 18 |
8 |
| Samsung Electronics Co., Ltd. | 147334 |
6 |
| Polytronics Technology Corp. | 85 |
6 |
| SEMITEC Corporation | 67 |
6 |
| Other owners | 376 |