- 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: 3421
10-year publication summary
271
|
298
|
360
|
344
|
356
|
340
|
319
|
259
|
321
|
117
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
435 |
Samsung Electronics Co., Ltd. | 131630 |
192 |
Disco Corporation | 1745 |
94 |
Renesas Electronics Corporation | 6305 |
89 |
Changxin Memory Technologies, Inc. | 4732 |
77 |
Micron Technology, Inc. | 24960 |
75 |
Semiconductor Components Industries, L.L.C. | 5345 |
69 |
Boe Technology Group Co., Ltd. | 35384 |
68 |
Kioxia Corporation | 9847 |
66 |
International Business Machines Corporation | 60644 |
65 |
Texas Instruments Incorporated | 19376 |
64 |
Infineon Technologies AG | 8189 |
64 |
Intel Corporation | 45621 |
61 |
United Microelectronics Corp. | 3921 |
60 |
Samsung Display Co., Ltd. | 30585 |
54 |
Monolithic 3D Inc. | 270 |
38 |
SK Hynix Inc. | 11030 |
35 |
Nanya Technology Corporation | 2000 |
34 |
ASML Netherlands B.V. | 6816 |
32 |
Mitsubishi Electric Corporation | 43934 |
27 |
Other owners | 1722 |