- All sections
- H - Electricity
- H03K - Pulse technique
- H03K 19/21 - EXCLUSIVE-OR circuits, i.e. giving output if input signal exists at only one input; COINCIDENCE circuits, i.e. giving output only if all input signals are identical
Patent holdings for IPC class H03K 19/21
Total number of patents in this class: 658
10-year publication summary
|
9
|
29
|
71
|
68
|
87
|
89
|
80
|
99
|
71
|
26
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 131630 |
38 |
| Texas Instruments Incorporated | 19376 |
26 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
24 |
| Intel Corporation | 45621 |
21 |
| Micron Technology, Inc. | 24960 |
19 |
| SK Hynix Inc. | 11030 |
18 |
| Kandou Labs, S.A. | 312 |
18 |
| Qualcomm Incorporated | 76576 |
14 |
| Kepler Computing Inc. | 221 |
12 |
| Xilinx, Inc. | 4086 |
7 |
| Northrop Grumman Systems Corporation | 2940 |
7 |
| King Abdullah University of Science and Technology | 1703 |
7 |
| NVIDIA Corporation | 6381 |
6 |
| Mediatek Inc. | 4584 |
6 |
| Board of Regents, The University of Texas System | 5370 |
6 |
| Realtek Semiconductor Corp. | 3028 |
6 |
| ARM Limited | 4353 |
6 |
| iCometrue Company Limited | 64 |
6 |
| PhotonIC Technologies (Shanghai) Co., Ltd | 19 |
6 |
| Changxin Memory Technologies, Inc. | 4732 |
6 |
| Other owners | 399 |