- 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: 4042
10-year publication summary
|
336
|
386
|
391
|
416
|
349
|
335
|
336
|
318
|
270
|
28
|
| 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. | 46507 |
276 |
| Samsung Electronics Co., Ltd. | 151017 |
224 |
| Intel Corporation | 46576 |
167 |
| Advanced Semiconductor Engineering, Inc. | 1686 |
148 |
| Murata Manufacturing Co., Ltd. | 25214 |
144 |
| Skyworks Solutions, Inc. | 3846 |
127 |
| STATS ChipPAC Pte. Lte. | 986 |
121 |
| Qualcomm Incorporated | 88555 |
115 |
| STATS ChipPAC Management Pte. Ltd. | 559 |
90 |
| Siliconware Precision Industries Co., Ltd. | 643 |
77 |
| Samsung Electro-mechanics Co., Ltd. | 5748 |
59 |
| Kioxia Corporation | 10512 |
59 |
| Infineon Technologies AG | 8302 |
56 |
| Amkor Technology Singapore Holding Pte. Ltd | 449 |
55 |
| Texas Instruments Incorporated | 19555 |
53 |
| NXP USA, Inc. | 4389 |
53 |
| Micron Technology, Inc. | 27174 |
50 |
| Qorvo US, Inc. | 2321 |
49 |
| Mitsubishi Electric Corporation | 47302 |
47 |
| Boe Technology Group Co., Ltd. | 42421 |
43 |
| Other owners | 2029 |