• 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
5
6
4
3
3
2
2
2
0
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