- All sections
- H - Electricity
- H03K - Pulse technique
- H03K 4/501 - Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor the starting point of the flyback period being determined by the amplitude of the voltage across the capacitor, e.g. by a comparator
Patent holdings for IPC class H03K 4/501
Total number of patents in this class: 44
10-year publication summary
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5
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6
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4
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3
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3
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2
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2
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2
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Macronix International Co., Ltd. | 2495 |
3 |
| NXP USA, Inc. | 4403 |
3 |
| ams AG | 758 |
2 |
| Qualcomm Incorporated | 92725 |
1 |
| Panasonic Corporation | 18896 |
1 |
| Seiko Epson Corporation | 20327 |
1 |
| Texas Instruments Incorporated | 19636 |
1 |
| Renesas Electronics Corporation | 5862 |
1 |
| Semiconductor Energy Laboratory Co., Ltd. | 11854 |
1 |
| Infineon Technologies AG | 8410 |
1 |
| SK Hynix Inc. | 12567 |
1 |
| Samsung Electro-mechanics Co., Ltd. | 6118 |
1 |
| Rohm Co., Ltd. | 6846 |
1 |
| STMicroelectronics S.r.l. | 3370 |
1 |
| ARM Limited | 5086 |
1 |
| Silicon Laboratories Inc. | 1180 |
1 |
| Daegu Gyeongbuk Institute of Science and Technology | 767 |
1 |
| Generalplus Technology Inc. | 45 |
1 |
| Green Solution Technology Co., Ltd. | 50 |
1 |
| Himax Technologies Limited | 761 |
1 |
| Other owners | 19 |