- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 23/552 - Protection against radiation, e.g. light
Patent holdings for IPC class H01L 23/552
Total number of patents in this class: 4057
10-year publication summary
|
337
|
386
|
392
|
417
|
349
|
334
|
322
|
293
|
264
|
111
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48490 |
283 |
| Samsung Electronics Co., Ltd. | 158156 |
230 |
| Intel Corporation | 47100 |
166 |
| Advanced Semiconductor Engineering, Inc. | 1749 |
148 |
| Murata Manufacturing Co., Ltd. | 25776 |
142 |
| Skyworks Solutions, Inc. | 3959 |
128 |
| Qualcomm Incorporated | 92563 |
123 |
| STATS ChipPAC Pte. Lte. | 969 |
117 |
| STATS ChipPAC Management Pte. Ltd. | 543 |
91 |
| Siliconware Precision Industries Co., Ltd. | 692 |
78 |
| Samsung Electro-mechanics Co., Ltd. | 6103 |
59 |
| Kioxia Corporation | 10840 |
59 |
| Infineon Technologies AG | 8405 |
55 |
| Amkor Technology Singapore Holding Pte. Ltd | 483 |
55 |
| Texas Instruments Incorporated | 19647 |
54 |
| Qorvo US, Inc. | 2407 |
52 |
| Micron Technology, Inc. | 27709 |
50 |
| NXP USA, Inc. | 4401 |
49 |
| Mitsubishi Electric Corporation | 48097 |
46 |
| Boe Technology Group Co., Ltd. | 44158 |
43 |
| Other owners | 2029 |