- All sections
- G - Physics
- G05F - Systems for regulating electric or magnetic variables
- G05F 3/18 - Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using Zener diodes
Patent holdings for IPC class G05F 3/18
Total number of patents in this class: 87
10-year publication summary
|
4
|
5
|
6
|
3
|
3
|
23
|
15
|
10
|
3
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Japan Tobacco Inc. | 3225 |
12 |
| NXP USA, Inc. | 4155 |
4 |
| Fuji Electric Co., Ltd. | 4750 |
3 |
| Texas Instruments Incorporated | 19376 |
2 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
2 |
| STMicroelectronics (Grenoble 2) SAS | 587 |
2 |
| Crane Electronics, Inc. | 44 |
2 |
| RichWave Technology Corp. | 244 |
2 |
| Saab AB | 814 |
2 |
| Semtech Corporation | 339 |
2 |
| STMicroelectronics (Alps) SAS | 120 |
2 |
| STMicroelectronics International N.V. | 1484 |
2 |
| Everactive, Inc. | 35 |
2 |
| Analog Devices International Unlimited Company | 1724 |
2 |
| Qualcomm Incorporated | 76576 |
1 |
| Siemens AG | 24990 |
1 |
| Toyota Motor Corporation | 28582 |
1 |
| Honeywell International Inc. | 13799 |
1 |
| NEC Corporation | 32703 |
1 |
| Canon Inc. | 36841 |
1 |
| Other owners | 40 |