- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 31/028 - Inorganic materials including, apart from doping material or other impurities, only elements of Group IV of the Periodic System
Patent holdings for IPC class H01L 31/028
Total number of patents in this class: 957
10-year publication summary
144
|
159
|
153
|
122
|
137
|
97
|
88
|
72
|
44
|
24
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Maxeon Solar Pte. Ltd. | 659 |
64 |
International Business Machines Corporation | 60644 |
44 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 36809 |
37 |
Samsung Electronics Co., Ltd. | 131630 |
24 |
GLOBALFOUNDRIES U.S. Inc. | 6459 |
22 |
Nokia Technologies Oy | 15057 |
16 |
Depuy Synthes Products, LLC | 2880 |
15 |
Artilux Inc. | 116 |
15 |
W&wsens Devices, Inc. | 21 |
14 |
Toshiba Corporation | 12017 |
13 |
Sony Corporation | 32931 |
11 |
Nokia Solutions And Networks Oy | 5698 |
11 |
Emberion Oy | 57 |
11 |
Artilux, Inc. | 35 |
10 |
Nippon Telegraph and Telephone Corporation | 14195 |
9 |
The Research Foundation for The State University of New York | 1468 |
9 |
Renesas Electronics Corporation | 6305 |
8 |
Mitsubishi Electric Corporation | 43934 |
8 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
8 |
Magnolia Optical Technologies, Inc. | 27 |
8 |
Other owners | 600 |