- All sections
- H - Electricity
- H01L - Semiconductor devices not covered by class
- H01L 31/032 - Inorganic materials including, apart from doping materials or other impurities, only compounds not provided for in groups
Patent holdings for IPC class H01L 31/032
Total number of patents in this class: 1208
10-year publication summary
152
|
129
|
135
|
133
|
123
|
83
|
64
|
52
|
66
|
27
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
International Business Machines Corporation | 61185 |
37 |
Samsung Electronics Co., Ltd. | 145025 |
31 |
Toshiba Corporation | 12317 |
23 |
Taiwan Semiconductor Manufacturing Company, Ltd. | 42389 |
23 |
Toshiba Energy Systems & Solutions Corp. | 1074 |
22 |
First Solar, Inc. | 513 |
20 |
Flisom AG | 77 |
19 |
LG Chem, Ltd. | 17594 |
17 |
Northwestern University | 3374 |
17 |
Nanoco Technologies Ltd. | 144 |
17 |
Research & Business Foundation Sungkyunkwan University | 1922 |
16 |
Cubicpv Inc. | 121 |
14 |
Dow Global Technologies LLC | 10401 |
13 |
Commissariat à l'énergie atomique et aux energies alternatives | 10922 |
13 |
Korea Institute of Science and Technology | 2118 |
13 |
Alliance for Sustainable Energy, LLC | 796 |
13 |
Saint-Gobain Glass France | 3766 |
12 |
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6271 |
12 |
Semiconductor Energy Laboratory Co., Ltd. | 11385 |
11 |
Beijing Apollo Ding Rong Solar Technology Co., Ltd. | 189 |
11 |
Other owners | 854 |