- 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: 3919
10-year publication summary
|
263
|
338
|
387
|
392
|
417
|
349
|
334
|
332
|
317
|
170
|
| 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. | 42804 |
268 |
| Samsung Electronics Co., Ltd. | 146346 |
216 |
| STATS ChipPAC Pte. Lte. | 1552 |
196 |
| Intel Corporation | 47005 |
170 |
| Advanced Semiconductor Engineering, Inc. | 1653 |
148 |
| Murata Manufacturing Co., Ltd. | 24542 |
141 |
| Skyworks Solutions, Inc. | 3727 |
126 |
| Qualcomm Incorporated | 85434 |
104 |
| Siliconware Precision Industries Co., Ltd. | 591 |
74 |
| Kioxia Corporation | 10293 |
58 |
| Samsung Electro-mechanics Co., Ltd. | 5618 |
57 |
| Infineon Technologies AG | 8225 |
54 |
| Amkor Technology Singapore Holding Pte. Ltd | 411 |
53 |
| NXP USA, Inc. | 4297 |
52 |
| Texas Instruments Incorporated | 19460 |
51 |
| Micron Technology, Inc. | 26238 |
46 |
| Qorvo US, Inc. | 2221 |
44 |
| Boe Technology Group Co., Ltd. | 41217 |
43 |
| Mitsubishi Electric Corporation | 46127 |
42 |
| Apple Inc. | 54937 |
39 |
| Other owners | 1937 |