- 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: 3553
10-year publication summary
|
235
|
263
|
338
|
387
|
392
|
415
|
349
|
323
|
319
|
116
|
| 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 |
245 |
| Samsung Electronics Co., Ltd. | 131630 |
194 |
| STATS ChipPAC Pte. Lte. | 1516 |
176 |
| Intel Corporation | 45621 |
162 |
| Advanced Semiconductor Engineering, Inc. | 1546 |
133 |
| Murata Manufacturing Co., Ltd. | 22355 |
132 |
| Skyworks Solutions, Inc. | 3450 |
117 |
| Qualcomm Incorporated | 76576 |
94 |
| Samsung Electro-mechanics Co., Ltd. | 4798 |
58 |
| Siliconware Precision Industries Co., Ltd. | 489 |
56 |
| Infineon Technologies AG | 8189 |
53 |
| Kioxia Corporation | 9847 |
52 |
| NXP USA, Inc. | 4155 |
50 |
| Micron Technology, Inc. | 24960 |
44 |
| Texas Instruments Incorporated | 19376 |
43 |
| Amkor Technology Singapore Holding Pte. Ltd | 314 |
42 |
| Mitsubishi Electric Corporation | 43934 |
40 |
| Qorvo US, Inc. | 2018 |
37 |
| Boe Technology Group Co., Ltd. | 35384 |
36 |
| Amkor Technology Singapore Holding Pte.ltd. | 555 |
36 |
| Other owners | 1753 |