- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 23/28 - Encapsulation, e.g. encapsulating layers, coatings
Patent holdings for IPC class H01L 23/28
Total number of patents in this class: 2186
10-year publication summary
140
|
163
|
210
|
183
|
178
|
132
|
155
|
100
|
76
|
58
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Murata Manufacturing Co., Ltd. | 24409 |
216 |
Mitsubishi Electric Corporation | 45899 |
170 |
STATS ChipPAC Pte. Lte. | 1546 |
96 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 42288 |
91 |
Rohm Co., Ltd. | 6414 |
87 |
Intel Corporation | 46833 |
64 |
Denso Corporation | 24190 |
46 |
Samsung Electronics Co., Ltd. | 144675 |
43 |
Texas Instruments Incorporated | 19481 |
38 |
Infineon Technologies AG | 8210 |
38 |
Panasonic Corporation | 20149 |
34 |
Fuji Electric Co., Ltd. | 5122 |
30 |
Advanced Semiconductor Engineering, Inc. | 1637 |
30 |
Micron Technology, Inc. | 26221 |
28 |
Shindengen Electric Manufacturing Co., Ltd. | 805 |
23 |
Renesas Electronics Corporation | 6050 |
20 |
Hitachi Automotive Systems, Ltd. | 3958 |
19 |
Sony Semiconductor Solutions Corporation | 10355 |
18 |
Amkor Technology Singapore Holding Pte.ltd. | 509 |
17 |
Siliconware Precision Industries Co., Ltd. | 585 |
15 |
Other owners | 1063 |