- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 29/32 - Semiconductor bodies having polished or roughened surface the imperfections being within the semiconductor body
Patent holdings for IPC class H01L 29/32
Total number of patents in this class: 556
10-year publication summary
52
|
88
|
76
|
75
|
67
|
45
|
36
|
36
|
32
|
9
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Fuji Electric Co., Ltd. | 4750 |
131 |
Infineon Technologies AG | 8189 |
43 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
43 |
Denso Corporation | 23338 |
24 |
Mitsubishi Electric Corporation | 43934 |
19 |
Rohm Co., Ltd. | 5843 |
17 |
Toshiba Corporation | 12017 |
15 |
Infineon Technologies Austria AG | 1954 |
13 |
GLOBALFOUNDRIES U.S. Inc. | 6459 |
11 |
International Business Machines Corporation | 60644 |
10 |
Semiconductor Components Industries, L.L.C. | 5345 |
9 |
Sumitomo Electric Industries, Ltd. | 14131 |
7 |
Seoul Semiconductor Co., Ltd. | 1073 |
7 |
Sumco Corporation | 1116 |
7 |
Globalwafers Co., Ltd. | 561 |
6 |
Shin-Etsu Handotai Co., Ltd. | 1277 |
6 |
Daedalus Prime LLC | 110 |
6 |
Intel Corporation | 45621 |
5 |
3-5 Power Electronics GmbH | 19 |
5 |
Resonac Corporation | 2233 |
5 |
Other owners | 167 |