- All sections
- H - Electricity
- H03K - Pulse technique
- H03K 19/20 - Logic circuits, i.e. having at least two inputs acting on one outputInverting circuits characterised by logic function, e.g. AND, OR, NOR, NOT circuits
Patent holdings for IPC class H03K 19/20
Total number of patents in this class: 2118
10-year publication summary
|
59
|
104
|
119
|
192
|
257
|
222
|
296
|
293
|
227
|
179
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Taiwan Semiconductor Manufacturing Company, Ltd. | 44095 |
109 |
| Samsung Electronics Co., Ltd. | 148077 |
103 |
| Micron Technology, Inc. | 26279 |
83 |
| Texas Instruments Incorporated | 19450 |
81 |
| Qualcomm Incorporated | 86990 |
59 |
| SK Hynix Inc. | 11536 |
59 |
| Changxin Memory Technologies, Inc. | 4929 |
50 |
| International Business Machines Corporation | 61616 |
44 |
| Intel Corporation | 46921 |
39 |
| STMicroelectronics International N.V. | 3291 |
30 |
| BorgWarner US Technologies LLC | 438 |
30 |
| NXP USA, Inc. | 4323 |
25 |
| Realtek Semiconductor Corp. | 3326 |
22 |
| Boe Technology Group Co., Ltd. | 41699 |
22 |
| Semiconductor Energy Laboratory Co., Ltd. | 11487 |
21 |
| Northrop Grumman Systems Corporation | 2929 |
20 |
| ARM Limited | 4734 |
19 |
| STMicroelectronics S.r.l. | 3598 |
16 |
| Winbond Electronics Corp. | 1310 |
16 |
| Huawei Technologies Co., Ltd. | 114462 |
14 |
| Other owners | 1256 |