- All sections
- H - Electricity
- H03K - Pulse technique
- H03K 19/21 - EXCLUSIVE-OR circuits, i.e. giving output if input signal exists at only one inputCOINCIDENCE 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: 747
10-year publication summary
|
29
|
71
|
68
|
87
|
89
|
81
|
100
|
74
|
65
|
48
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 148584 |
44 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 44638 |
31 |
| Texas Instruments Incorporated | 19481 |
29 |
| Intel Corporation | 46760 |
23 |
| Qualcomm Incorporated | 86992 |
22 |
| Micron Technology, Inc. | 26365 |
21 |
| Kandou Labs, S.A. | 330 |
18 |
| SK Hynix Inc. | 11586 |
17 |
| Kepler Computing Inc. | 316 |
13 |
| iCometrue Company Limited | 87 |
9 |
| Xilinx, Inc. | 3957 |
8 |
| Northrop Grumman Systems Corporation | 2932 |
8 |
| King Abdullah University of Science and Technology | 1809 |
7 |
| Cornami, Inc. | 58 |
7 |
| Changxin Memory Technologies, Inc. | 4929 |
7 |
| International Business Machines Corporation | 61651 |
6 |
| NVIDIA Corporation | 7510 |
6 |
| Mediatek Inc. | 5203 |
6 |
| STMicroelectronics S.r.l. | 3604 |
6 |
| Board of Regents, The University of Texas System | 5912 |
6 |
| Other owners | 453 |