- 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: 46
10-year publication summary
0
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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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2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Macronix International Co., Ltd. | 2547 |
3 |
NXP USA, Inc. | 4323 |
3 |
ams AG | 767 |
2 |
Qualcomm Incorporated | 86990 |
1 |
Panasonic Corporation | 20018 |
1 |
Matsushita Electric Industrial Co., Ltd. | 1059 |
1 |
Seiko Epson Corporation | 19671 |
1 |
Texas Instruments Incorporated | 19450 |
1 |
Renesas Electronics Corporation | 5964 |
1 |
Semiconductor Energy Laboratory Co., Ltd. | 11487 |
1 |
Infineon Technologies AG | 8265 |
1 |
SK Hynix Inc. | 11536 |
1 |
Samsung Electro-mechanics Co., Ltd. | 5668 |
1 |
Rohm Co., Ltd. | 6520 |
1 |
STMicroelectronics S.r.l. | 3598 |
1 |
ARM Limited | 4734 |
1 |
Silicon Laboratories Inc. | 1132 |
1 |
Daegu Gyeongbuk Institute of Science and Technology | 691 |
1 |
Generalplus Technology Inc. | 43 |
1 |
Green Solution Technology Co., Ltd. | 50 |
1 |
Other owners | 21 |