- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 23/544 - Marks applied to semiconductor devices, e.g. registration marks, test patterns
Patent holdings for IPC class H01L 23/544
Total number of patents in this class: 3567
10-year publication summary
|
298
|
360
|
344
|
356
|
341
|
319
|
263
|
327
|
311
|
18
|
| 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. | 40539 |
470 |
| Samsung Electronics Co., Ltd. | 138518 |
216 |
| Disco Corporation | 1810 |
96 |
| Renesas Electronics Corporation | 6155 |
84 |
| Micron Technology, Inc. | 25756 |
83 |
| Changxin Memory Technologies, Inc. | 4919 |
80 |
| Boe Technology Group Co., Ltd. | 38777 |
72 |
| Intel Corporation | 46097 |
68 |
| Semiconductor Components Industries, L.L.C. | 5242 |
68 |
| Kioxia Corporation | 10122 |
68 |
| Infineon Technologies AG | 8134 |
65 |
| International Business Machines Corporation | 60075 |
64 |
| Texas Instruments Incorporated | 19405 |
63 |
| United Microelectronics Corp. | 4103 |
63 |
| Samsung Display Co., Ltd. | 32700 |
57 |
| Monolithic 3D Inc. | 299 |
40 |
| Nanya Technology Corporation | 2225 |
38 |
| SK Hynix Inc. | 10758 |
37 |
| Mitsubishi Electric Corporation | 44738 |
31 |
| ASML Netherlands B.V. | 7130 |
31 |
| Other owners | 1773 |